francesco scarton 1 , daniele are 1 , andrea rismondo 1 and john day 2

Francesco Scarton1, Daniele Are1, Andrea Rismondo1 and John Day2Accretion and elevation changes on salt marshes and reedbeds of the lagoon of Venice: ten years of data1 SELC soc. coop., Via dellElettricit 5/d, Marghera (VE), Italy email:[email protected]

2Coastal Ecology Institute and Department of Oceanography and coastal Sciences,Louisiana State University, Baton Rouge, LA 7080, USA, email: [email protected]

a total area of 550 sq. km, with about 37 sq. km of salt marshes, 3.5 sq. km of reedbeds and 50 sq. km of tidal flats. Mean tidal range is 0.6 m (1.1 m spring tide), three hydraulic basins.

The largest lagoon in the Mediterranean, hosts endemic species, and vegetation communities with restricted distribution in southern Europe.The lagoon ofVenice:

Field stations in four habitat types:Saltmarshes (N and S basin): 13 st.Reedbeds (in the NW corner of the lagoon): 2 st.Dredge islands (artificial sites): 2 st.Tidal flat: 3 st.Installed in1993-1997, most of them were part of monitoring projects performed until 1999 on behalf of the Italian Ministry of Public Works- Water Authority in Venice and its concessionaire Consorzio Venezia Nuova.

After that, we did new measurements in 2001 and summer 2004 (11 stations): 4 st. still to be measured, 5 st. destroyed.

Reedbeds inVenice lagoon

Lack of sediment inputsNatural and man-induced subsidence Wave erosionFACTORS OF SALT MARSHES DISAPPEARING

Most common saltmarsh speciesand their elevation MHW

Map of saltmarsh vegetation(for about 50% of the lagoon)

Distribution (in red) of dredge islands in 2004Ranging in size from 0.3 to 30 ha, mean of 10 ha.Most are made of silty sediments, the remaining are sandier.Mean elevation of the former close or below mean high water level; the latter are usually higherDifferent age (oldest: 14 years)

Reconstruction of eroded salt marshes with dredged sediment

Reconstruction of a disappeared salt marsh

The network of Venice stations

Grafico2

2

0

2

3

1

0

2

3

0

0

7

years

no. of stations

no. of station

ClasseFrequenza

12

20

32

43

51

60

72

83

90

100

117

120

130

140

150

160

170

180

Altro0

20

no. of station

years

no. of stations

Foglio1

cm/yrcm/yrm

AccretionElevationShallowYearsElevationDominant

changeSubsidenceabove s.l.species

cm/yrcm/yrcm/yrmAccretionElevationElevation

changeabove s.l.

1Dese 10.60.50-0.10110.28Phragmites

2Dese 20.60.5-0.10110.36Phragmites

3Laghi0.50.50.00110.29JuncusDese 10.60.500.28

4San Felice 10.30.30.00110.35SarcocorniaDese 20.60.50.36

5San Felice 20.40.40.00110.29SpartinaLaghi0.50.50.29

6Torson 10.40.40.00110.39PuccinelliaSan Felice 10.30.30.35

7Torson 2two trends11dredge islandSan Felice 20.40.40.29

8Fossei nat0.40.40.0080.42LimoniumTorson 10.40.40.39

9P. Cane 11.700.70-1.0080.43SarcocorniaFossei nat0.40.40.42

10Ex Salinains8SpartinaP. Cane 11.700.700.43

11Buello0.90.8-0.1070.23JuncusBuello0.90.80.23

12P. Vecia0.90.8-0.1070.35PuccinelliaP. Vecia0.90.80.35

13Chioggia0.40.50.1050.35SarcocorniaChioggia0.40.50.35

14Tessera 10.40.40.0040.39SarcocorniaTessera 10.40.40.39

15Tessera 30.30.1-0.2040.36SarcocorniaTessera 30.30.10.36

16P. Cane 2n.a.-4.74-0.26tidal flat

17Tessera 2n.a.0.83-0.23tidal flat

18Tessera 4n.a.-1.53-0.35tidal flat

19Fossei art0-0.6-0.6010.31dredge island

20Campalto0.3-0.1-0.4010.28Limonium

Mean > 3 ys0.510.47-0.04

(w/out PC 1and 2)

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

Foglio1

000000

00.67000.070.07

2.132.080.110.110.110.11

1.421.180.080.080.110.11

01.24000.10.1

4.252.660.40.40.120.12

01.44000.120.12

3.11.880.080.080.140.14

03.97000.130.13

6.45.560.20.20.180.18

5.925.880.40.40.160.16

04.55000.20.2

5.994.790.270.270.220.22

7.814.330.270.270.180.18

8.57.040.30.30.210.21

13.95.73

Markers

SET

cm

Punta Cane 1

Foglio2

Elevation change

Accretion (cm/yr)

Elevationchange (cm/yr)

Foglio3

0

0

0

0

0

0

0

0

0

0

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0

Elevation change

elev ch

accr

hange

0

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Elevation change

Elevation above s.l. (m)

Accr.(cm/yr)

The Sedimentation Erosion Table (SET)9 pinsbubble levelpipe benchmark

Conceptual diagram for elevation change/accretionfrom Cahoon et al., 1995

Details of a SET station:9 readings in each sector, 36 readings per cell, 72 per station.Accuracy estimated at + 2.0 mm

Kaolin markers

New field dataAccretion: 0.6 cm/yrElev. ch.: 0.5, 11 ys.

Accretion: 0.5 cm/yrElev. ch.: 0.5 cm/yr, 11 ys.

Accretion: 0.3 cm/yrElev. ch.: 0.3, 11 ys.

Accretion: 0.4 cm/yrElev. ch.: 0.4 cm/yr, 11 ys.

Accretion: 0.4 cm/yrElev. ch.: 0.4, 11 ys.T1T2

Elev. ch: - 1.8 cm/yr, 4 ys + 0.3 cm/yr, 7 ysJune 1997

Elev. ch: 0.7 cm/yr,Acc: : 1.7 cm/yr

Observed rates at 14 stations

Elevation change vs accretion(12 st.)4 st.2 st.

Accretion vs elevation(12 st.)

Courtesy of Tom Spencer,Cambridge University

Chart17

2.1652155.67045.67045.67045.67045.67045.67040

1.488874.618154.618154.618154.618154.618154.6181510

2.01083-0.10285-0.10285-0.10285-0.10285-0.10285-0.10285

1.42111-1.42655-1.42655-1.42655-1.42655-1.42655-1.42655

4.221061.72011.72011.72011.72011.72011.7201

7.3171177.7370937.7370937.7370937.7370937.7370937.737093

14.892215.0052775.0052775.0052775.0052775.0052775.005277

2.96950252.720192.720192.720192.720192.720192.72019

2.40096666673.402923.402923.402923.402923.402923.40292

1.68863333333.79671.68863333331.68863333331.68863333331.68863333331.6886333333

4.66653333334.51080666674.66653333334.66653333334.66653333334.66653333334.6665333333

2.73433333335.80152666672.73433333332.73433333332.73433333332.73433333332.7343333333

0.53543333334.63269333330.53543333330.53543333330.53543333330.53543333330.5354333333

1.39564666672.32954666671.39564666671.39564666671.39564666671.39564666671.3956466667

0.582516.992020.582510.582510.582510.582510.58251

1.48286516.591051.4828651.4828651.4828651.4828651.482865

2.900962.80416714292.900962.900962.900962.900962.90096

0.14515666670.14515666670.96796857140.14515666670.14515666670.14515666670.1451566667

2.609732.6097316.76331333332.609732.609732.609732.60973

0.40550.40553.209030.40550.40550.40550.4055

4.839154.839154.839155.865884.839154.839154.83915

-0.03794-0.03794-0.037941.0730814286-0.03794-0.03794-0.03794

0.957830.957830.957830.957833.402190.957830.95783

3.192173.192173.192173.192171.138013.192173.19217

2.42148666672.42148666672.42148666672.42148666671.813532.42148666672.4214866667

0.42193333330.42193333330.42193333330.42193333330.746730.42193333330.4219333333

1.26131666671.26131666671.26131666671.26131666671.57919666671.26131666671.2613166667

2.88780333332.88780333332.88780333332.88780333332.68332333332.88780333332.8878033333

1.88910333331.88910333331.88910333331.88910333334.51970333331.88910333331.8891033333

1.49296333331.49296333331.49296333331.49296333332.23839666671.49296333331.4929633333

-1.68444-1.68444-1.68444-1.684441.79364-1.68444-1.68444

-0.1696866667-0.1696866667-0.1696866667-0.16968666675.7527833333-0.1696866667-0.1696866667

0.86628666670.86628666670.86628666670.86628666670.29096666670.86628666670.8662866667

5.02880333335.02880333335.02880333335.02880333335.02880333334.2281815.0288033333

-0.59424-0.59424-0.59424-0.59424-0.594241.92611-0.59424

0.24132333330.24132333330.24132333330.24132333330.24132333332.185880.2413233333

0.583820.583820.583820.583820.583821.48840.58382

3.897253.897253.897253.897253.897253.897252.9358

-0.22295-0.22295-0.22295-0.22295-0.22295-0.222950.85965

0.94822222220.94822222220.94822222220.94822222220.94822222220.94822222220.8078857143

3.753.753.753.753.753.754.25

3.853.853.853.853.853.853.725

1.751.751.751.751.751.754.125

6.856.856.856.856.856.8516.6

4.654.654.654.654.654.653.9

3.93.93.93.93.93.92.1

3.053.053.053.053.053.053.55

10.210.210.210.210.210.212

8.58.58.58.58.58.512

US Atlantic - NE (Can)

US Atlantic - SE

U.S. Gulf Coast

US Pacific

New South Wales

Victoria

Mediterranean

Linear Elevation Trend (mm/yr)

Linear Accretion Trend (mm/yr)

Accretion vs. Elevation Linear Trajectories at 49 Saltmarsh SettingsGrouped by Regional Setting

Matrix_Saltmarsh

INTECOL Summary Data

IDCountryStateRegionRegionNLocationAreaAuthorLatLongDescriptionGeomorphic SettingGrouped GeomorphWetland TypeMarshTypeVegetationHydrologyElevation(m)TideHt(m)SoilBulkDens%OM(0-1)RSLRmm/yrStartDateStopDateTime Length (years)SET_TrendSET_SESET_tSET_pHZHZ_seHZ_tHZ_pSSSS_seSS_tSS_p

1CanadaNew BrunswickUS Atlantic - NE (Can)1Bay of FundySTM, High MarshGail Chmura45.365.5Coastal BayCoastal BaySaltmarshSpartina patensOpen110.0270.51/1/981/1/024.000.680.193.530.1758

2CanadaNew BrunswickUS Atlantic - NE (Can)1Bay of FundySTM, Low MarshGail Chmura45.365.5Coastal BayCoastal BaySaltmarshSpartina alternifloraOpen110.0240.51/1/981/1/024.000.790.203.880.1606

3CanadaNew BrunswickUS Atlantic - NE (Can)1Bay of FundyWP High MarshGail Chmura45.864.4Coastal BayCoastal BaySaltmarshSpartina patensOpen140.0260.51/1/981/1/024.001.040.0192.330.0069

4CanadaNew BrunswickUS Atlantic - NE (Can)1Bay of FundyWP Low MarshGail Chmura45.864.4Coastal BayCoastal BaySaltmarshSpartina alternifloraOpen140.0250.51/1/981/1/024.002.401.162.070.2859

5CanadaNew BrunswickUS Atlantic - NE (Can)1Bay of FundyDH High MarshGail Chmura45.166.4Coastal BayCoastal BaySaltmarshSpartina patensOpen70.0480.51/1/981/1/024.000.270.141.860.2039

6CanadaNew BrunswickUS Atlantic - NE (Can)1Bay of FundyDH Low MarshGail Chmura45.166.4Coastal BayCoastal BaySaltmarshSpartina alternifloraOpen70.0330.51/1/981/1/024.001.000.333.030.0939

7USAMaineUS Atlantic - NE (Can)1WellsDrake IslandDavid BurdickRestoredUndeterminedUndeterminedSaltmarsh8/9/956/13/015.855.671.633.490.07332.16520.61483.52200.0720-3.511.013.470.0740

8USAMaineUS Atlantic - NE (Can)1WellsDrake IslandDavid BurdickReferenceUndeterminedUndeterminedSaltmarsh8/9/956/13/015.854.620.1048.480.00041.48890.22836.52040.0227-3.130.329.670.0105

9USAMaineUS Atlantic - NE (Can)1WellsHarbor RoadDavid BurdickReferenceUndeterminedUndeterminedSaltmarsh7/28/999/4/023.11-0.100.280.370.74692.01080.22888.78870.01272.110.336.430.0233

10USAMaineUS Atlantic - NE (Can)1WellsMile RoadDavid BurdickReferenceUndeterminedUndeterminedSaltmarsh7/28/999/4/023.11-1.430.226.420.02341.42110.0097146.65740.00002.850.2312.280.0066

11USAMaineUS Atlantic - NE (Can)1WellsOx CartDavid BurdickReferenceUndeterminedUndeterminedSaltmarsh7/28/999/4/023.111.720.901.920.07074.22110.49598.51000.00102.501.022.440.0403

12USAMassachussetsUS Atlantic - NE (Can)1Cape CodHerring RiverDon CahoonDikedCoastal BayCoastal BaySaltmarshPhragmitesRestricted2.69/1/007/1/021.837.743.112.490.08887.31711.42085.15010.0142-0.423.960.110.9223

13USAMassachussetsUS Atlantic - NE (Can)1Cape CodHerring RiverDon CahoonCoastal BayCoastal BaySaltmarshSpartina alternifloraOpen2.69/1/007/1/021.835.011.992.510.086614.89222.82735.26720.01339.893.672.690.0742

14USAMassachussetsUS Atlantic - NE (Can)1Plum IslandHoly IslandChuck Hopkinson42.7312464170.82633015Back-barrier MarshBack-barrier MarshSaltmarshSpartina alterniflora0.680.080.40022.5411/19/0211/20/031.0017.577.392.380.0301

15USAMassachussetsUS Atlantic - NE (Can)1Plum IslandHoly IslandChuck Hopkinson42.7304439170.82674205Back-barrier MarshBack-barrier MarshSaltmarshSpartina patens0.860.080.3462.5411/19/0211/20/031.007.574.641.630.1219

16USAMassachussetsUS Atlantic - NE (Can)1Plum IslandHoly IslandChuck Hopkinson42.7301042770.82689935Back-barrier MarshBack-barrier MarshSaltmarshSpartina alterniflora0.50.120.23822.5411/19/0211/20/031.000.194.890.040.9703

17USAMassachussetsUS Atlantic - NE (Can)1Plum IslandLaws PointChuck Hopkinson42.731567270.84149728Back-barrier MarshBack-barrier MarshSaltmarshSpartina alterniflora0.650.110.16982.5411/20/0211/20/031.005.481484.835551.130.2737

18USAMassachussetsUS Atlantic - NE (Can)1Plum IslandLaws PointChuck Hopkinson42.7311498970.84213437Back-barrier MarshBack-barrier MarshSaltmarshSpartina alterniflora0.450.080.22562.5411/20/0211/20/031.005.092591.302543.910.0012

19USAMassachussetsUS Atlantic - NE (Can)1Plum IslandLaws PointChuck Hopkinson42.7307370170.84278369Back-barrier MarshBack-barrier MarshSaltmarshSpartina patens0.90.130.21562.5411/20/0211/20/031.001.444444.497580.320.7522

20USAMassachussetsUS Atlantic - NE (Can)1Plum IslandLevineChuck Hopkinson42.7273508370.85227181Back-barrier MarshBack-barrier MarshSaltmarshSpartina patens0.840.110.22882.5411/19/0211/20/031.0010.388894.465682.330.0335

21USAMassachussetsUS Atlantic - NE (Can)1Plum IslandMorris IslandChuck Hopkinson42.7292752470.83476712Back-barrier MarshBack-barrier MarshSaltmarshSpartina alterniflora0.30.080.234952.5411/19/0211/20/031.003.458.040.430.6729

22USAMassachussetsUS Atlantic - NE (Can)1Plum IslandMorris IslandChuck Hopkinson42.7294430970.83600791Back-barrier MarshBack-barrier MarshSaltmarshSpartina alterniflora0.050.060.28552.5411/19/0211/20/031.000.722225.109190.140.8894

23USAMassachussettsUS Atlantic - NE (Can)1Cape CodNausetMike ErwinBack-barrier marshBack-barrier MarshBack-barrier MarshSaltmarshSpartina alternifloraOpen2vegetated firm2.611/5/9811/17/035.042.721.661.640.19912.970.339.060.00280.860.184.840.0168

24USAMassachussettsUS Atlantic - NE (Can)1Cape CodHatches HarborDon CahoonOpen marshBack-barrier MarshBack-barrier MarshSaltmarshSpartina alternifloraOpen2.610/21/9805/09/034.553.400.1719.900.00252.400.0296.530.0001-1.000.176.010.0266

25USANew JerseyUS Atlantic - SE2Little BeachLittle BeachMike ErwinE.B. Forsythe NWRBack-barrier MarshBack-barrier MarshSaltmarshHigh MarshSpartina alternifloraOpen1.2vegetated firm4.110/19/0010/29/033.031.690.344.920.03893.800.904.230.05162.110.633.360.0784

26USAVirginiaUS Atlantic - SE2Phillips Creek2Brinson, Christian, Blum3727' N7550' WCoastal Bay, low sediment supplyCoastal BayCoastal BaySaltmarshLow MarshSpartina alternifloraOpen1.450.2880.253.922-Aug-9713-Mar-046.564.670.0588.980.00014.510.518.790.0127-0.160.470.330.7703

27USAVirginiaUS Atlantic - SE2Phillips Creek3Brinson, Christian, Blum3727' N7550' WCoastal Bay, low sediment supplyCoastal BayCoastal BaySaltmarshMid saltmarshJ. roemerianus, S. patens, DistichylisOpen1.450.120.653.922-Aug-9713-Mar-046.562.730.416.740.02135.800.2325.470.00153.070.1816.830.0035

28USAVirginiaUS Atlantic - SE2Phillips Creek4Brinson, Christian, Blum3727' N7550' WCoastal Bay, low sediment supplyCoastal BayCoastal BaySaltmarshHigh saltmmarshDistichylis, S. patensOpen1.450.143.922-Aug-9713-Mar-046.560.540.271.960.18894.630.0858.150.00034.100.2715.420.0042

29USAVirginiaUS Atlantic - SE2WachapreagueWachapreagueMike Erwin373530753928Curlew Bay and Gates Bay, VABack-barrier MarshBack-barrier MarshSaltmarshHigh MarshSpartina alternifloraOpen0.8951.2vegetated firm3.97/20/9910/10/034.231.400.284.990.03802.330.298.160.01470.930.194.980.0380

30USAVirginiaUS Atlantic - SE2WachapreagueWachapreagueMike Erwin373530753928Curlew Bay and Gates Bay, VABack-barrier MarshBack-barrier MarshSaltmarshMid MarshSpartina alternifloraOpen0.8951.2vegetated soft3.97/20/9910/10/034.230.582.070.280.80506.991.016.890.00014.07

31USAVirginiaUS Atlantic - SE2MockhornMockhornMike ErwinMockhorn IslandBack-barrier MarshBack-barrier MarshSaltmarshHigh MarshSpartina alternifloraOpen0.161.2vegetated soft3.97/13/999/18/023.191.480.443.350.184816.597.842.120.281015.118.281.820.3192

32USANorth CarolinaUS Atlantic - SE2Cedar IslandCedar IslandDon Cahoon34.003272222276.3691944444Back-barrier MarshBack-barrier MarshSaltmarshJuncus roemerianusOpen0.230.1070.62961.57/15/927/12/008.002.900.2910.060.00972.800.2511.110.0000-0.040.050.680.5682

33USASouth CarolinaUS Atlantic - SE2North InletNorth InletJim MorrisBack-barrier MarshBack-barrier MarshSaltmarshSpartina alternifloraOpen1.33.44.005.10

35USAGeorgiaUS Atlantic - SE2Sapleo IslandSapelo IslandChris Craft31.481.2Coastal BayCoastal BaySaltmarshCoastalSpartina alterniflora1.22.3Mineral0.50.0812/1/0112/1/032.00-2.261.271.790.1118

36USAFloridaU.S. Gulf Coast3St. Mark'sSt. Mark'sDon Cahoon30.100277777884.2105555556Coastal BayCoastal BaySaltmarshJuncus roemerianus0.911.0670.18321.25/12/925/25/008.040.150.101.500.27200.970.137.490.00031.020.0911.170.0079

37USALouisianaU.S. Gulf Coast3Bayou ChitigueBayou ChitigueDon Cahoon29.390.6DeltaDeltaSaltmarshSpartina alternifloraOpen0.30.2890.1813.86/8/9212/5/0210.502.612.341.110.381316.762.287.350.018014.151.2311.550.0074

38USALouisianaU.S. Gulf Coast3Old Oyster BayouOld Oyster BayouDon Cahoon29.391.1DeltaDeltaSaltmarshSpartina alternifloraOpen0.30.0198.55/19/926/25/0311.110.410.085.200.03503.210.1619.750.00002.690.2510.820.0084

46USACaliforniaUS Pacific4Tijuana SloughTijuana SloughBoumans/CahoonTidal InletTidal InletSaltmarshLow MarshSpartina foliosaOpen1.2610.5550.08475210/28/9211/16/997.054.840.2122.780.00195.870.3019.590.00001.060.176.090.0259

47USACaliforniaUS Pacific4Tijuana SloughTijuana SloughBoumans/CahoonTidal InletTidal InletSaltmarshHigh MarshSalicornia subterminalisOpen1.6571.1740.1058210/28/9211/16/997.05-0.040.330.110.92011.070.195.520.00151.320.691.900.1977

49AustraliaNew South WalesNew South Wales5Hawkesbury RiverBerowra CreekRogers/Saintilan3330'S15115'EFluvial Delta (estuarine)EstuarineSaltmarshJuncus krausiiOpen1.72Silt0.6911/12/0210/7/030.900.960.273.530.07173.400.1621.660.00212.440.435.710.0293

50AustraliaNew South WalesNew South Wales5Jervis BayCararma InletRogers/Saintilan351'S15049'ETidal InletTidal InletSaltmarshSarcocornia , SclerostegiaRestricted1.21.3Marine sand, firm2-Aug-0114-Aug-032.033.190.2015.880.00391.140.195.990.0267-2.050.267.870.0158

51AustraliaNew South WalesNew South Wales5Jervis BayCurrambene CreekRogers/Saintilan352'38"S15040'28"EBack-barrier MarshBack-barrier MarshMangrove/SaltmarshA. marina, SarcocorniaRestricted11.3Silt and Sand2/3/012/4/043.002.421.601.510.27001.810.228.300.01420.780.930.840.4911

52AustraliaNew South WalesNew South Wales5Jervis BayCurrambene CreekRogers/Saintilan352'38"S15040'28"EBack-barrier MarshBack-barrier MarshSaltmarshSarcocornia, SporobolusRestricted1.21.3Silt and Sand2/3/012/4/043.000.420.510.830.49600.750.282.700.11420.320.480.670.5697

53AustraliaVictoriaVictoria6Westernport BayFrench IslandRogers/Saintilan3823'S14518'EMarine embaymentCoastal BaySaltmarshHalosarciaRestricted2.53Firm mud2.6610/15/0011/11/033.075.030.4710.660.00874.230.567.520.0172-0.800.272.980.0966

54AustraliaNew South WalesNew South Wales5Sydney HarbourHomebush BayRogers/Saintilan3351'S15103'EFluvial Delta (estuarine)EstuarineMangrove/SaltmarshZone AA. marina, SarcocorniaOpen1.42Firm silt0.912/11/001/20/043.941.260.225.860.02791.580.334.810.04050.320.171.840.2074

55AustraliaNew South WalesNew South Wales5Sydney HarbourHomebush BayRogers/Saintilan3351'S15103'EFluvial Delta (estuarine)EstuarineMangrove/SaltmarshZone BA. marina, SarcocorniaOpen1.62Firm silt0.912/11/001/20/043.942.891.312.200.15862.680.2112.710.0061-0.201.100.190.8698

56AustraliaNew South WalesNew South Wales5Hunter RiverKooragang IslandRogers/Saintilan3255'S15148'EFluvial Delta (estuarine)EstuarineMangrove/SaltmarshA. marina, SporobolusRestricted1.42firm silt0.331/29/0211/18/031.801.890.832.290.14934.521.104.100.05462.631.881.400.2957

57AustraliaNew South WalesNew South Wales5Hunter RiverKooragang IslandRogers/Saintilan3255'S15148'EFluvial Delta (estuarine)EstuarineSaltmarshSporobolusRestricted1.72Firm silt0.331/29/0211/18/031.801.490.841.780.21752.240.524.270.05070.750.681.100.3876

58AustraliaVictoriaVictoria6Westernport BayKooweerupRogers/Saintilan3812'45"S14522'40"EMarine EmbaymentCoastal BaySaltmarshHalosarciaRestricted2.83Firm mud2.6610/18/0011/13/033.07-0.590.272.240.15491.930.257.720.01642.520.2510.010.0098

59AustraliaNew South WalesNew South Wales5Hawkesbury RiverMarramarra CreekRogers/Saintilan3331'S15103'EFluvial Delta (estuarine)EstuarineSaltmarshJuncus krausiiOpen1.62Silt0.6912/20/027/17/030.57-1.680.523.250.08311.790.563.200.08523.480.665.250.0344

60AustraliaNew South WalesNew South Wales5KiamaMinnamurra RiverRogers/Saintilan3439'S15052'EBack-barrier MarshBack-barrier MarshSaltmarshSarcocornia, SporobolusRestricted1.11.2Firm silt-0.479/11/018/5/031.90-0.170.790.220.84965.750.728.000.01535.921.394.280.0506

61AustraliaVictoriaVictoria6Westernport BayQuail IslandRogers/Saintilan3813'20"S14518'28"EMarine EmbaymentCoastal BaySaltmarshHalosarciaOpen2.23Firm mud2.6610/16/0011/10/033.070.241.090.220.84502.190.942.310.14671.940.277.090.0193

62AustraliaVictoriaVictoria6Westernport BayRhyll/Phillip IslandRogers/Saintilan3827'53"S14517'57"EMarine EmbaymentCoastal BaySaltmarshHalosarciaOpen2.53Firm mud2.6610/17/0011/12/033.070.580.321.820.21051.490.1410.720.00860.900.184.970.0382

63AustraliaNew South WalesNew South Wales5Tweed RiverUkerebagh IslandRogers/Saintilan2810'S15331'EFlood-tide sand deltaDeltaSaltmarshSarcocornia, SporobolusRestricted1.72Firm sand-0.411/30/0010/13/032.870.870.372.310.14680.290.261.140.3730-0.580.610.950.4430

64EnglandEssexNW Europe7Blackwater estuaryTollesburyJon French5146'N051'EEstuarine saltmarshEstuarineEstuarineSaltmarshPM, AP, LV SEOpen4.6Firm mud2.483.611.602.260.2652

65EnglandEssexNW Europe7Blackwater estuaryTollesburyJon French5146'N051'ERestored estuarine saltmarshEstuarineEstuarineSaltmarshSE, SM, SARestricted4.6Soft/Firm mud2.485.452.632.070.2862

66EnglandSuffolkNW Europe7Orwell estuaryShotleyJon French5158'N117'EHigh estuarine saltmarshEstuarineEstuarineSaltmarshUnveg3.6Soft mud2.422.850.436.580.0960

67EnglandSuffolkNW Europe7Blyth estuaryReydonJon French5219'N138'ENarrow estuarine fringing saltmarshEstuarineEstuarineSaltmarshPM, AP, LV AT, SE1.9Firm mud2.456.302.372.660.0765

68EnglandSuffolkNW Europe7Blyth estuaryBulcampJon French5219'N138'ENarrow estuarine fringing saltmarshEstuarineEstuarineSaltmarshPM, AP, LV AT, SE1.9Firm mud2.445.390.3913.910.0008

69EnglandNorfolkNW Europe7StiffkeyStiffkey-outerJon French5258'N055'EYoung outer marsh (exposed)Coastal BayCoastal BaySaltmarshSE, SM, AT, LV, APOpenFirm mud2.481.801.801.000.4245

70EnglandNorfolkNW Europe7StiffkeyStiffkey-innerJon French5258'N055'EOld backbarrier saltmarshBackbarrier marshBackbarrier marshSaltmarshAP, PM, LV, SERestrictedFirm mud2.483.040.378.130.0779

71EnglandNorfolkNW Europe7Scolt Head IslandSalicornia MarshJon French5259'N041'ESmall young saltmarshBackbarrier marshBackbarrier marshSaltmarshAP, SE, PM, ATOpen6.4Firm mud2.465.790.4213.640.0002

72EnglandNorfolkNW Europe7Scolt Head IslandSpartina MarshJon French5259'N041'ESmall young saltmarshBackbarrier marshBackbarrier marshSaltmarshSAOpen6.4Soft mud2.466.510.5611.560.0003

73EnglandNorfolkNW Europe7Scolt Head IslandHut MarshJon French5259'N041'ELarge established saltmarshBackbarrier marshBackbarrier marshSaltmarshAP, AM, PM, LV, ATOpen6.4Firm mud2.466.311.514.180.0528

75FranceRhone-Alpes-Cote d'AzurMediterranean8Rhone DeltaRiverineJohn Day43:30:004:30La Palissade by beachDeltaDeltaSaltmarshArthrocnemum fruticosumOpen0.3Vegetated Very Firm1.220.1232.08/15/933/23/028.613.900.458.630.07352.940.2312.970.0490-0.960.234.260.1466

76FranceRhone-Alpes-Cote d'AzurMediterranean8Rhone DeltaMarineJohn Day43:30:004:30La Reserve behind dunesDeltaDeltaSaltmarshArthrocnemum fruticosum/glaucumOpen0.3Vegetated Very Firm1.440.0911.78/15/933/23/028.61-0.220.141.650.34670.860.0712.430.05111.080.0716.430.0387

77FranceRhone-Alpes-Cote d'AzurMediterranean8Rhone DeltaImpoundedJohn Day43:30:004:30Tour du Valat, Palissade & La ReserveDeltaDeltaSaltmarshArthrocnemum fruticosum/glaucumRestricted0.3Partly vegetation Very Firm1.170.141.58/15/933/23/028.610.950.521.820.10590.810.184.410.00450.070.340.200.8447

79ItalyMediterranean8Po DeltaVenice LagoonLaghiJohn DayDeltaDeltaSaltmarshJuncus maritimusOpen0.290.82.23/1/936/1/018.263.751.352.780.22004.250.1528.330.02250.501.500.330.7952

80ItalyMediterranean8Po DeltaVenice LagoonS.FeliceJohn DayDeltaDeltaSaltmarshSF1: A. fruticosum/L. serotinum/P. palustris; SF2: S. maritimaOpenSF1: 0.35, SF2: 0.290.8high clay contentSF1: 0.5SF1: 0.2433/1/936/1/018.263.850.626.250.00823.730.626.050.0091-0.130.610.200.8512

81ItalyMediterranean8Po DeltaVenice LagoonTesseraJohn DayDeltaDeltaSaltmarshA. fruticosum/P. palustris/L.serotinumOpen0.380.81.73/1/936/1/19974.251.750.434.100.02634.130.439.660.00242.381.501.580.2119

82ItalyMediterranean8Po DeltaVenice LagoonPunta CaneJohn DayDeltaDeltaSaltmarshA. fruticosum/P. palustris/L. serotinumOpen0.440.82.73/1/936.850.957.210.087716.600.8020.750.03079.750.1565.000.0098

83ItalyMediterranean8Po DeltaVenice LagoonChioggiaJohn DayDeltaDeltaUnknown/saltmarsh?1/1/952/1/005.094.650.855.470.11513.900.804.880.1288-0.750.0515.000.0424

84ItalyMediterranean8Po DeltaVenice LagoonBarricataJohn DayDeltaDeltaUnknown/saltmarsh?2/1/951/1/015.923.900.1039.000.01632.100.00-1.800.1018.000.0353

85ItalyMediterranean8Po DeltaVenice LagoonEx SalinaJohn DayDeltaDeltaUnknown/saltmarsh?3/1/966/1/982.253.051.252.440.24763.550.854.180.14960.500.401.250.4296

86ItalyMediterranean8Po DeltaVenice LagoonPunta VeciaJohn DayDeltaDeltaUnknown/saltmarsh?3/1/976/1/981.2510.200.0012.000.001.800.00

87ItalyMediterranean8Po DeltaVenice LagoonFossei Est natJohn DayDeltaDeltaUnknown/saltmarsh?8/1/9610/1/971.178.500.3028.330.022512.001.707.060.08963.501.402.500.2422

89SpainCatalunyaMediterranean8Ebro DeltaMigjornIbanez/DayBackbarrierDeltaDeltaSaltmarshSalicornia0.351/27/932/27/963.081.280.294.390.1426

90SpainCatalunyaMediterranean8Ebro DeltaBudaIbanez/DayDeltaDeltaSaltmarshSalicornia0.31.20.055752/2/952/27/961.077.301.584.630.0190

787869787878535329787878126852345235302264676677787776764949474749484747

Philippe Hensel:Saltmarsh, brackish, mangrove, etc

Philippe Hensel:Amplitude

lynchj:From elevation survey. Value in Meters.


lynchj:Average of Pb-210 core (0-44cm)


lynchj:Pb-210 core (0-18cm)

lynchj:From Cahoon et al 1999


Philippe Hensel:Chmura & Hung 2004 Estuaries

lynchj:From Cahoon Et al. 1999




Chuck Hopkinson:From Boston Tide Gauge









Philippe Hensel:back barrier, delta

saltmarshGraphs

LinearTrend Elevation(mm/yr)LinearTrend Accretion(mm/yr)1to1IDTideHt(m)Linear Accretion Trajectory (mm/yr)

5.67042.1652155.6704RegionRegionNHZSETUS Atlantic - NE (Can)US Atlantic - SEU.S. Gulf CoastUS PacificNew South WalesVictoriaMediterraneanIDRSLRmm/yrHZIDLinearTrend Accretion(mm/yr)Grouped GeomorphRSLRmm/yrUS Atlantic - NE (Can)US Atlantic - SEU.S. Gulf CoastUS PacificNew South WalesVictoriaMediterraneanLinearTrend Elevation(mm/yr)Grouped GeomorphRSLRmm/yrUS Atlantic - NE (Can)US Atlantic - SEOceanic IslandOpen CoastRiverineU.S. Gulf CoastNew South WalesVictoriaNW EuropeMediterraneanUS Pacific2322.9695025Linear Accretion Trajectory (mm/yr)Grouped GeomorphTideHt(m)US Atlantic - NE (Can)US Atlantic - SEOceanic IslandOpen CoastRiverineU.S. Gulf CoastNew South WalesVictoriaMediterraneanIDTideHt(m)Linear Elevation Trajectory (mm/yr)SUMMARY OUTPUT

4.618151.488874.61815US Atlantic - NE (Can)12.16525.672.165200122.67.317100127.3171US Atlantic - NE (Can)2.67.3171000.68US Atlantic - NE (Can)0.50.6800251.23.79672.97US Atlantic - NE (Can)22.9700716.45.79

-0.102852.01083-0.10285US Atlantic - NE (Can)11.48894.621.48891010132.614.892214141314.8922US Atlantic - NE (Can)2.614.892214140.79US Atlantic - NE (Can)0.50.791414261.454.51080666673.80US Atlantic - SE1.23.8033726.46.51Regression Statistics

-1.426551.42111-1.42655US Atlantic - NE (Can)12.0108-0.102.0108232.62.97232.97US Atlantic - NE (Can)2.62.971.04US Atlantic - NE (Can)0.51.04271.455.80152666674.51US Atlantic - SE1.454.51736.46.31Multiple R0.0164005731

1.72014.221061.7201US Atlantic - NE (Can)11.4211-1.431.4211242.62.40242.40US Atlantic - NE (Can)2.62.402.40US Atlantic - NE (Can)0.52.40281.454.63269333335.80US Atlantic - SE1.455.802322.72R Square0.0002689788

7.7370937.3171177.737093US Atlantic - NE (Can)14.22111.724.2211254.13.80253.80US Atlantic - SE4.13.800.27US Atlantic - NE (Can)0.50.27291.22.32954666674.63US Atlantic - SE1.454.63251.21.69Adjusted R Square-0.0197256416

5.00527714.892215.005277US Atlantic - NE (Can)17.31717.747.3171263.94.51264.51US Atlantic - SE3.94.511.00US Atlantic - NE (Can)0.51.00301.26.992022.33US Atlantic - SE1.22.33291.21.40Standard Error2.3001218227

2.720192.96950252.72019US Atlantic - NE (Can)114.89225.0114.8922273.95.80275.80US Atlantic - SE3.95.807.74US Atlantic - NE (Can)2.67.74311.216.591056.99US Atlantic - SE1.26.99301.20.58Observations52

3.402922.40096666673.40292US Atlantic - NE (Can)12.972.722.97283.94.63284.63US Atlantic - SE3.94.635.01US Atlantic - NE (Can)2.65.01320.232.804167142916.59US Atlantic - SE1.216.59311.21.48

1.68863333333.79671.6886333333US Atlantic - NE (Can)12.403.402.40293.92.33292.33US Atlantic - SE3.92.3317.57US Atlantic - NE (Can)2.5417.57360.910.96796857142.80US Atlantic - SE0.232.80320.232.90ANOVA

4.66653333334.51080666674.6665333333US Atlantic - SE23.801.693.80303.96.99306.99US Atlantic - SE3.96.997.57US Atlantic - NE (Can)2.547.57370.316.76331333330.97U.S. Gulf Coast0.910.97331.35.10dfSSMSFSignificance F

2.73433333335.80152666672.7343333333US Atlantic - SE24.514.674.51313.916.593116.59US Atlantic - SE3.916.590.19US Atlantic - NE (Can)2.540.19380.33.2090316.76U.S. Gulf Coast0.316.76511.32.42Regression10.07117157260.07117157260.01345255840.9081288905

0.53543333334.63269333330.5354333333US Atlantic - SE25.802.735.80321.52.80322.80US Atlantic - SE1.52.805.48148US Atlantic - NE (Can)2.545.481484923.402193.21U.S. Gulf Coast0.33.21521.30.42Residual50264.52801997255.2905603994

1.39564666672.32954666671.3956466667US Atlantic - SE24.630.544.63361.20.97360.97U.S. Gulf Coast1.20.975.09259US Atlantic - NE (Can)2.545.09259501.31.138013.40New South Wales23.40601.2-0.17Total51264.599191545

0.582516.992020.58251US Atlantic - SE22.331.402.333713.816.763716.76U.S. Gulf Coast13.816.761.44444US Atlantic - NE (Can)2.541.44444511.31.813531.14New South Wales1.31.141110.68

1.48286516.591051.482865US Atlantic - SE26.990.586.99388.53.21383.21U.S. Gulf Coast8.53.2110.38889US Atlantic - NE (Can)2.5410.38889521.30.746731.81New South Wales1.31.812110.79CoefficientsStandard Errort StatP-valueLower 95%Upper 95%Lower 95.0%Upper 95.0%

2.900962.80416714292.90096US Atlantic - SE216.591.4816.594625.87465.87US Pacific25.873.45US Atlantic - NE (Can)2.543.455334.2281810.75New South Wales1.30.753141.04Intercept2.3649640750.42557892365.55705168690.00000105891.51016330143.21976484861.51016330143.2197648486

0.14515666670.96796857140.1451566667US Atlantic - SE22.802.902.804721.07471.07US Pacific21.070.72222US Atlantic - NE (Can)2.540.722225421.57919666671.58New South Wales21.584142.40X Variable 1-0.01117247490.096326758-0.11598516440.9081288905-0.20465054140.1823055917-0.20465054140.1823055917

2.6097316.76331333332.60973U.S. Gulf Coast30.970.150.97490.693.40493.40New South Wales0.693.402.72US Atlantic - NE (Can)2.62.725522.68332333332.68New South Wales22.68570.27

0.40553.209030.4055U.S. Gulf Coast316.762.6116.76532.664.23541.58New South Wales0.911.583.40US Atlantic - NE (Can)2.63.405624.51970333334.52New South Wales24.52671.00

4.839155.865884.83915U.S. Gulf Coast33.210.413.21540.911.58552.68New South Wales0.912.681.69US Atlantic - SE4.11.695722.23839666672.24New South Wales22.24261.454.67

-0.037941.0730814286-0.03794US Pacific45.874.845.87550.912.68564.52New South Wales0.334.524.67US Atlantic - SE3.94.675831.926111.79New South Wales21.79271.452.73

0.957833.402190.95783US Pacific41.07-0.041.07560.334.52572.24New South Wales0.332.242.73US Atlantic - SE3.92.735921.793645.75New South Wales1.25.75281.450.54

3.192171.138013.19217New South Wales53.400.963.40570.332.24591.79New South Wales0.691.790.54US Atlantic - SE3.90.54601.25.75278333330.29New South Wales20.29352.3-2.26

2.42148666671.813532.4214866667New South Wales51.143.191.14582.661.93605.75New South Wales-0.475.751.40US Atlantic - SE3.91.406132.185884.23Victoria34.23360.910.15

0.42193333330.746730.4219333333New South Wales51.812.421.81590.691.79630.29New South Wales-0.40.290.58US Atlantic - SE3.90.586231.48841.93Victoria31.935335.03

5.02880333334.2281815.0288033333New South Wales50.750.420.7560-0.475.75534.23Victoria2.664.231.48US Atlantic - SE3.91.486320.29096666672.19Victoria32.19583-0.59

1.26131666671.57919666671.2613166667New South Wales51.581.261.58612.662.19581.93Victoria2.661.932.90US Atlantic - SE1.52.90750.32.93581.49Victoria31.496130.24

2.88780333332.68332333332.8878033333New South Wales52.682.892.68622.661.49612.19Victoria2.662.195.10US Atlantic - SE3.45.10760.30.859652.94Mediterranean0.32.946230.58

1.88910333334.51970333331.8891033333New South Wales54.521.894.5263-0.40.29621.49Victoria2.661.490.15U.S. Gulf Coast1.20.15770.30.80788571430.86Mediterranean0.30.86370.32.61

1.49296333332.23839666671.4929633333New South Wales52.241.492.24752.02.94752.94Mediterranean2.02.942.61U.S. Gulf Coast13.82.61790.84.250.81Mediterranean0.30.81380.30.41

-0.594241.92611-0.59424The regression equation isNew South Wales51.79-1.681.79761.70.86760.86Mediterranean1.70.860.41U.S. Gulf Coast8.50.41800.83.7254.25Mediterranean0.84.256320.87

-1.684441.79364-1.68444LinearTrend Accretion(mm/yr) = 2.29 + 0.848 LinearTrend Elevation(mm/yr)New South Wales55.75-0.175.75771.50.81770.81Mediterranean1.50.814.84US Pacific24.84810.84.1253.73Mediterranean0.83.73750.33.90

-0.16968666675.7527833333-0.1696866667New South Wales50.290.870.29792.24.25794.25Mediterranean2.24.25-0.04US Pacific2-0.04820.816.64.13Mediterranean0.84.13760.3-0.22

0.24132333332.185880.2413233333Predictor Coef StDev T PVictoria64.235.034.238033.73SUMMARY OUTPUT803.73Mediterranean33.730.96New South Wales0.690.9616.60Mediterranean0.816.60770.30.95

0.583821.48840.58382Constant 2.2931 0.7614 3.01 0.004Victoria61.93-0.591.93811.74.13814.13Mediterranean1.74.131.26New South Wales0.911.26SUMMARY OUTPUT790.83.75

0.86628666670.29096666670.8662866667LinearTr 0.8482 0.2144 3.96 0.000Victoria62.190.242.19822.716.60Regression Statistics8216.60Mediterranean2.716.602.89New South Wales0.912.89800.83.85

3.897252.93583.89725Victoria61.490.581.49Multiple R0.4876307111.89New South Wales0.331.89Regression Statistics810.81.75

-0.222950.85965-0.22295S = 3.764 R-Sq = 25.0% R-Sq(adj) = 23.4%Mediterranean82.943.902.94R Square0.2377837103SUMMARY OUTPUT US Atlantic SE1.49New South Wales0.331.49Multiple R0.2528761423820.86.85

0.94822222220.80788571430.9482222222Analysis of VarianceMediterranean80.86-0.220.86Adjusted R Square0.2153655842-1.68New South Wales0.69-1.68R Square0.0639463433890.31.28

3.754.253.75Mediterranean80.810.950.81Standard Error3.9736698988Regression Statistics-0.17New South Wales-0.47-0.17Adjusted R Square0.0346946666900.37.30

3.853.7253.85Source DF SS MS F PMediterranean84.253.754.25Observations36Multiple R0.25728301310.87New South Wales-0.40.87Standard Error4.18757840034920.96

1.754.1251.75Regression 1 221.73 221.73 15.65 0.000Mediterranean83.733.853.73R Square0.06619454885.03Victoria2.665.03Observations345421.26

6.8516.66.85Residual Error 47 665.85 14.17Mediterranean84.131.754.13ANOVAAdjusted R Square-0.089439693-0.59Victoria2.66-0.595522.89

4.653.94.65Total 48 887.58Mediterranean816.606.8516.60dfSSMSFSignificance FStandard Error4.7633037280.24Victoria2.660.24ANOVA5621.89

3.92.13.9Mediterranean83.904.653.90Regression1167.4813154879167.481315487910.60676117830.0025558646Observations80.58Victoria2.660.58dfSSMSFSignificance F5721.49

3.053.553.05Mediterranean82.103.902.10Residual34536.861783804915.79005246493.61NW Europe2.43.61Regression138.334592526838.33459252682.18607445440.1490406766592-1.68

10.21210.2Mediterranean83.553.053.55Total35704.3430992928ANOVA5.45NW Europe2.45.45Residual32561.146011475417.5358128586644.63.61

8.5128.5Mediterranean812.0010.2012.00dfSSMSFSignificance F2.85NW Europe2.42.85Total33599.4806040022654.65.45

Mediterranean812.008.5012.00CoefficientsStandard Errort StatP-valueLower 95%Upper 95%Lower 95.0%Upper 95.0%Regression19.65014017249.65014017240.42532124070.53846001356.30NW Europe2.46.30663.62.85

Intercept2.37378760460.96850077582.45099194970.01954305440.40555851434.34201669490.40555851434.3420166949Residual6136.134374429222.68906240495.39NW Europe2.45.39CoefficientsStandard Errort StatP-valueLower 95%Upper 95%Lower 95.0%Upper 95.0%671.96.30

SUMMARY OUTPUT US Atlantic NEX Variable 10.86912129370.26686338793.25680229340.00255586460.32678999531.4114525920.32678999531.411452592Total7145.78451460161.80NW Europe2.41.80Intercept5.97942161311.44168190784.14753183810.00023097613.04281415068.91602907563.04281415068.9160290756681.95.39

3.04NW Europe2.43.04X Variable 1-1.30675053540.8838126475-1.47853794490.1490406766-3.10701646230.4935153914-3.10701646230.4935153914501.33.19

Regression StatisticsCoefficientsStandard Errort StatP-valueLower 95%Upper 95%Lower 95.0%Upper 95.0%5.79NW Europe2.45.79

Multiple R0.4438517655Intercept0.99168705537.76064168090.1277841570.9024950585-17.997932933619.9813070442-17.997932933619.98130704426.51NW Europe2.46.51

R Square0.1970043897IDRSLRmm/yrLinearTrend Elevation(mm/yr)X Variable 11.36293151842.08985184460.65216657440.5384600135-3.7507554676.4766185038-3.7507554676.47661850386.31NW Europe2.46.31

Adjusted R Square0.082290731110.50.68113.90Mediterranean2.03.90

Standard Error4.184823345320.50.7900SUMMARY OUTPUT US Gulf Coast-0.22Mediterranean1.7-0.22

Observations930.51.0414140.95Mediterranean1.50.95

40.52.40Regression Statistics3.75Mediterranean2.23.75

ANOVA50.50.27Multiple R0.88537576843.85Mediterranean33.85

dfSSMSFSignificance F60.51.00R Square0.78389025121.75Mediterranean1.71.75

Regression130.075650665730.07565066571.71735774190.2313916296122.67.74Adjusted R Square0.56778050246.85Mediterranean2.76.85

Residual7122.589225018617.5127464312132.65.01Standard Error5.61861819851.28Mediterranean51.28

Total8152.6648756843142.5417.57Observations37.30Mediterranean57.30

152.547.57

CoefficientsStandard Errort StatP-valueLower 95%Upper 95%Lower 95.0%Upper 95.0%162.540.19ANOVASUMMARY OUTPUT US Atlantic NE

Intercept2.13133824372.17649217830.97925380340.3600777483-3.01524426287.2779207502-3.01524426287.2779207502172.545.48148dfSSMSFSignificance F

X Variable 10.67149491490.51240380031.31047996620.2313916296-0.54014667111.8831365008-0.54014667111.8831365008182.545.09259Regression1114.5090859242114.50908592423.62727852640.3078022332Regression Statistics

192.541.44444Residual131.568870460631.5688704606Multiple R0.478577411

SUMMARY OUTPUT US Atlantic SE202.5410.38889Total2146.0779563848R Square0.2290363383

212.543.45Adjusted R Square0.1836855347

Regression Statistics222.540.72222CoefficientsStandard Errort StatP-valueLower 95%Upper 95%Lower 95.0%Upper 95.0%Standard Error3.9603624799

Multiple R0.2034392043232.62.72Intercept-2.38893306745.892588774-0.40541316540.7547968732-77.261051691372.4831855564-77.261051691372.4831855564Observations19

R Square0.0413875099242.63.40X Variable 11.19604728110.62799747231.90454155280.3078022332-6.7833829919.1754775533-6.7833829919.1754775533

Adjusted R Square-0.1183812385254.11.69ANOVA

Standard Error4.8261588689263.94.67SUMMARY OUTPUT New South WalesdfSSMSFSignificance FLinear Elevation Trajectory (mm/yr)Grouped GeomorphTideHt(m)US Atlantic - NE (Can)US Atlantic - SEU.S. Gulf CoastNew South WalesVictoriaNW EuropeMediterranean

Observations8273.92.73Regression179.211690039279.21169003925.05032590370.03818732930.68US Atlantic - NE (Can)110.6800

283.90.54Regression StatisticsResidual17266.636006533715.68447097260.79US Atlantic - NE (Can)110.791414

ANOVA293.91.40Multiple R0.2174037256Total18345.84769657291.04US Atlantic - NE (Can)141.04

dfSSMSFSignificance F303.90.58R Square0.04726437992.40US Atlantic - NE (Can)142.40

Regression16.03365803456.03365803450.25904634220.6289456159313.91.48Adjusted R Square-0.1115248901CoefficientsStandard Errort StatP-valueLower 95%Upper 95%Lower 95.0%Upper 95.0%0.27US Atlantic - NE (Can)70.27

Residual6139.750856567123.2918094279321.52.90Standard Error1.8331931313Intercept-0.02057762952.0267045621-0.01015324580.9920172221-4.29655645794.2554011989-4.29655645794.25540119891.00US Atlantic - NE (Can)71.00

Total7145.7845146016333.45.10Observations8X Variable 12.13332473690.94928641742.24729301690.03818732930.13050266854.13614680530.13050266854.13614680532.72US Atlantic - NE (Can)22.72

361.20.151.69US Atlantic - SE1.21.69

CoefficientsStandard Errort StatP-valueLower 95%Upper 95%Lower 95.0%Upper 95.0%3713.82.61ANOVASUMMARY OUTPUT US Atlantic SE4.67US Atlantic - SE1.454.67

Intercept7.27601395783.14346746672.314645860.0598864815-0.415779465314.967807381-0.415779465314.967807381388.50.41dfSSMSFSignificance F2.73US Atlantic - SE1.452.73

X Variable 1-0.67239997131.3211099214-0.50896595380.6289456159-3.90504185862.5602419161-3.90504185862.56024191614624.84Regression11.00029766441.00029766440.29765474630.6050302064Regression Statistics0.54US Atlantic - SE1.450.54

472-0.04Residual620.16358233963.3605970566Multiple R0.26592808021.40US Atlantic - SE1.21.40

SUMMARY OUTPUT New South Wales490.690.96Total721.163880004R Square0.07071774380.58US Atlantic - SE1.20.58

532.665.03Adjusted R Square-0.06203686421.48US Atlantic - SE1.21.48

Regression Statistics540.911.26CoefficientsStandard Errort StatP-valueLower 95%Upper 95%Lower 95.0%Upper 95.0%Standard Error1.70494987882.90US Atlantic - SE0.232.90

Multiple R0.1068250267550.912.89SUMMARY OUTPUTIntercept3.04111727560.80295128593.78742437950.0091008031.07636482155.00586972971.07636482155.0058697297Observations95.10US Atlantic - SE1.35.10

R Square0.0114115863560.331.89X Variable 1-0.69188568721.2681713586-0.5455774430.6050302064-3.79499148322.4112201089-3.79499148322.4112201089-2.26US Atlantic - SE2.3-2.26

Adjusted R Square-0.0984315708570.331.49Regression StatisticsANOVA0.15U.S. Gulf Coast0.910.15

Standard Error1.721713219582.66-0.59Multiple R0.1172743181SUMMARY OUTPUT MediterraneandfSSMSFSignificance F2.61U.S. Gulf Coast0.32.61

Observations11590.69-1.68R Square0.0137532657Regression11.54846725031.54846725030.53269521030.48917417840.41U.S. Gulf Coast0.30.41

60-0.47-0.17Adjusted R Square-0.0021539397Regression StatisticsResidual720.34797862482.90685408930.96New South Wales20.96

ANOVA612.660.24Standard Error3.1093638049Multiple R0.5782930639Total821.89644587513.19New South Wales1.33.19

dfSSMSFSignificance F622.660.58Observations64R Square0.33442286782.42New South Wales1.32.42

Regression10.30796023390.30796023390.10388982460.754571957563-0.40.87Adjusted R Square0.2013074414CoefficientsStandard Errort StatP-valueLower 95%Upper 95%Lower 95.0%Upper 95.0%0.42New South Wales1.30.42

Residual926.67866767622.9642964085642.43.61ANOVAStandard Error4.8413770214Intercept4.29997723492.74088580031.56882757920.1606766732-2.181183162810.7811376327-2.181183162810.78113763271.26New South Wales21.26

Total1026.9866279101652.45.45dfSSMSFSignificance FObservations7X Variable 1-0.54360741090.7448108128-0.72985971960.4891741784-2.30480386171.2175890398-2.30480386171.21758903982.89New South Wales22.89

662.42.85Regression18.35901340138.35901340130.86459345570.35606274221.89New South Wales21.89

CoefficientsStandard Errort StatP-valueLower 95%Upper 95%Lower 95.0%Upper 95.0%672.46.30Residual62599.42488282039.6681432713ANOVASUMMARY OUTPUT US Gulf Coast1.49New South Wales21.49

Intercept2.51320010890.70413559143.56919908570.0060317970.92033352334.10606669440.92033352334.1060666944682.45.39Total63607.7838962215dfSSMSFSignificance F-1.68New South Wales2-1.68

X Variable 1-0.12460369890.386584492-0.32231944490.7545719575-0.99911924310.7499118453-0.99911924310.7499118453692.41.80Regression158.885096099958.88509609992.51227732760.1738176582Regression Statistics-0.17New South Wales1.2-0.17

702.43.04CoefficientsStandard Errort StatP-valueLower 95%Upper 95%Lower 95.0%Upper 95.0%Residual5117.194657318823.4389314638Multiple R0.86846346010.87New South Wales20.87

SUMMARY OUTPUT Victoria712.45.79Intercept2.60572558270.61601887914.22994435910.00007840731.3743227493.83712841651.3743227493.8371284165Total6176.0797534186R Square0.75422878155.03Victoria35.03

722.46.51X Variable 10.17933786760.19287059910.92983517660.3560627422-0.20620454090.5648802761-0.20620454090.5648802761Adjusted R Square0.508457563-0.59Victoria3-0.59

Regression Statistics732.46.31CoefficientsStandard Errort StatP-valueLower 95%Upper 95%Lower 95.0%Upper 95.0%Standard Error0.94931795270.24Victoria30.24

Multiple R0.9332498062752.03.90Intercept-7.1113092187.7085428966-0.92252314260.3985864613-26.926717187912.7040987519-26.926717187912.7040987519Observations30.58Victoria30.58

R Square0.8709552008761.7-0.22X Variable 15.61368244873.54171860271.5850165070.1738176582-3.490580181714.717945079-3.490580181714.7179450793.61NW Europe4.63.61

Adjusted R Square0.8064328013771.50.95ANOVA5.45NW Europe4.65.45

Standard Error0.5346719758792.23.75dfSSMSFSignificance F2.85NW Europe3.62.85

Observations48033.85Regression12.76563884452.76563884453.06882468240.33021587026.30NW Europe1.96.30

811.71.75Residual10.90120457530.90120457535.39NW Europe1.95.39

ANOVA822.76.85Total23.66684341985.79NW Europe6.45.79

dfSSMSFSignificance F8951.286.51NW Europe6.46.51

Regression13.85887001633.858870016313.49849364840.06675019389057.30CoefficientsStandard Errort StatP-valueLower 95%Upper 95%Lower 95.0%Upper 95.0%6.31NW Europe6.46.31

Residual20.57174824340.2858741217Intercept-0.40257579630.9956078369-0.40435177530.7553774081-13.052918612612.24776702-13.052918612612.247767023.90Mediterranean0.33.90

Total34.4306182598X Variable 10.18587719390.10610603061.75180612010.3302158702-1.16232197931.534076367-1.16232197931.534076367-0.22Mediterranean0.3-0.22

0.95Mediterranean0.30.95

CoefficientsStandard Errort StatP-valueLower 95%Upper 95%Lower 95.0%Upper 95.0%SUMMARY OUTPUT New South Wales3.75Mediterranean0.83.75

Intercept1.86649087610.31195129355.98327660370.02681482460.5242718573.20870989510.5242718573.20870989513.85Mediterranean0.83.85

X Variable 10.4491899730.12226084693.674029620.0667501938-0.076856360.975236306-0.076856360.975236306Regression Statistics1.75Mediterranean0.81.75

Multiple R0.25108363236.85Mediterranean0.86.85

SUMMARY OUTPUT Mediter.R Square0.06304299041.28Mediterranean0.31.28

Adjusted R Square-0.09311651127.30Mediterranean0.37.30

Regression StatisticsStandard Error1.4372762358

Multiple R0.8345520429Observations8SUMMARY OUTPUT US Atlantic NE - Can

R Square0.6964771123

Adjusted R Square0.6661248235ANOVARegression Statistics

Standard Error2.9271889531dfSSMSFSignificance FMultiple R0.2177618307

Observations12Regression10.83396702930.83396702930.40370896280.5486303014R Square0.0474202149

Residual612.39457786822.065762978Adjusted R Square-0.1430957421

ANOVATotal713.2285448974Standard Error0.9851322367

dfSSMSFSignificance FObservations7

Regression1196.6151227423196.615122742322.94644458520.000734322CoefficientsStandard Errort StatP-valueLower 95%Upper 95%Lower 95.0%Upper 95.0%

Residual1085.68435167038.568435167Intercept0.70153111390.6295369441.11436051620.3077613785-0.83889142172.2419536495-0.83889142172.2419536495ANOVA

Total11282.2994744126X Variable 10.63174841330.99428288570.63538095880.5486303014-1.80117594253.064672769-1.80117594253.064672769dfSSMSFSignificance F

Regression10.24155788750.24155788750.24890416350.6390185765

CoefficientsStandard Errort StatP-valueLower 95%Upper 95%Lower 95.0%Upper 95.0%SUMMARY OUTPUT Mediter.Residual54.85242761920.9704855238

Intercept-0.41332543081.5082368538-0.2740454390.7896271748-3.77388714412.9472362826-3.77388714412.9472362826Total65.0939855067

X Variable 11.40472804870.2932476584.79024473120.0007343220.75133143562.05812466170.75133143562.0581246617Regression Statistics

Multiple R0.4246211765CoefficientsStandard Errort StatP-valueLower 95%Upper 95%Lower 95.0%Upper 95.0%

R Square0.1803031436Intercept1.70619353020.94727680681.80115623850.1315616025-0.72885504374.141242104-0.72885504374.141242104

Adjusted R Square0.0632035926X Variable 1-0.04608961680.092381927-0.498902960.6390185765-0.28356453230.1913852986-0.28356453230.1913852986

Standard Error2.5124868666

Observations9SUMMARY OUTPUT NW Europe

ANOVARegression Statistics

dfSSMSFSignificance FMultiple R0.2452707821

Regression19.71976286819.71976286811.53974239980.2546269932R Square0.0601577565

Residual744.18813178396.3125902548Adjusted R Square-0.0964826174

Total853.907894652Standard Error1.4050685572

Observations8

CoefficientsStandard Errort StatP-valueLower 95%Upper 95%Lower 95.0%Upper 95.0%

Intercept1.03629025741.98373257890.52239413140.617515645-3.65448855165.7270690663-3.65448855165.7270690663ANOVA

X Variable 10.80978769780.65260010631.24086357020.2546269932-0.73336523622.3529406318-0.73336523622.3529406318dfSSMSFSignificance F

Regression10.75819855240.75819855240.38405013360.5582280996

Residual611.84530590181.9742176503

Total712.6035044541

CoefficientsStandard Errort StatP-valueLower 95%Upper 95%Lower 95.0%Upper 95.0%

Intercept4.49684833171.34802895583.33586924260.01569193791.19833789197.79535877151.19833789197.7953587715

X Variable 10.17354285420.28003529710.61971778550.5582280996-0.51167933420.8587650426-0.51167933420.8587650426

saltmarshGraphs

2.1652155.6704

1.488874.61815

2.01083-0.10285

1.42111-1.42655

4.221061.7201

7.3171177.737093

14.892215.005277

2.96950252.72019

2.40096666673.40292

3.79671.6886333333

4.51080666674.6665333333

5.80152666672.7343333333

4.63269333330.5354333333

2.32954666671.3956466667

6.992020.58251

16.591051.482865

2.80416714292.90096

0.96796857140.1451566667

16.76331333332.60973

3.209030.4055

5.865884.83915

1.0730814286-0.03794

3.402190.95783

1.138013.19217

1.813532.4214866667

0.746730.4219333333

4.2281815.0288033333

1.57919666671.2613166667

2.68332333332.8878033333

4.51970333331.8891033333

2.23839666671.4929633333

1.92611-0.59424

1.79364-1.68444

5.7527833333-0.1696866667

2.185880.2413233333

1.48840.58382

0.29096666670.8662866667

2.93583.89725

0.85965-0.22295

0.80788571430.9482222222

4.253.75

3.7253.85

4.1251.75

16.66.85

3.94.65

2.13.9

3.553.05

1210.2

128.5

LinearTrend Accretion(mm/yr)

Linear Trend Elevation (mm/yr)

Linear Trend Accretion (mm/yr)

Accretion vs. Elevation Linear Trajectories in 49 Saltmarsh Settings(Solid line shows 1:1 relationship)

R2 = 0.2498P=0.000

RSLRbased

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US Atlantic - SE

U.S. Gulf Coast

US Pacific

New South Wales

Victoria

Mediterranean




HZbased

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HZ

Relative Sea-Level Rise (mm/yr)


Accretion vs. Relative Sea-Level Rise in 36 Saltmarsh Sites

R2 = 0.2378P=0.003

someSETbased

0.6817851

0.791070

1.0387514

2.402145

0.2658333333

1.0016666667

7.737093

5.005277

17.57407

7.57407

0.18519

5.48148

5.09259

1.44444

10.38889

3.4537

0.72222

2.72019

3.40292

1.6886333333

4.6665333333

2.7343333333

0.5354333333

1.3956466667

0.58251

1.482865

2.90096

5.1

0.1451566667

2.60973

0.4055

4.83915

-0.03794

0.95783

5.0288033333

1.2613166667

2.8878033333

1.8891033333

1.4929633333

-0.59424

-1.68444

-0.1696866667

0.2413233333

0.58382

0.8662866667

3.605

5.45

2.85

6.2957175

5.385

1.7958766667

3.04201

5.78571

6.51

6.3061933333

3.89725

-0.22295

0.9482222222

3.75

3.85

1.75

6.85

1.2822

7.304625

RSLRmm/yr

Relative Sea-Level Rise

LinearTrend Elevation(mm/yr)

Linear Elevation Trajectories and Relative Sea-Level Rise in 64 Saltmarsh Settings

R2 = 0.0138P=0.356

0

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Linear Accretion Trajectory (mm/yr)

Tide Height (m)


Linear Accretion Trajectories vs. Tide Height in 35 Saltmarsh Settings

R2 = 0.0639P=0.149

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Linear Elevation Trajectory (mm/yr)

Tide Height (m)

Linear Elevation Trajectory (mm/yr)

Linear Elevation Trajectories vs. Tide Height in 52 Saltmarsh Settings

R2 = 0.0003P=0.908

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US Atlantic - SE

U.S. Gulf Coast

US Pacific

New South Wales

Victoria

#REF!

1:1 Line

Mediterranean

Sea-Level Rise (mm/yr)


Linear Accretion Trends vs. Sea-Level Rise in 36 Saltmarsh SettingsGrouped by Regional Setting

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US Atlantic - SE

U.S. Gulf Coast

US Pacific

New South Wales

Victoria

NW Europe

Mediterranean



Linear Trends in Elevation vs. Sea-Level Rise in 64 Saltmarsh SettingsGrouped by Geographic Setting

R2 = 0.229P=0.038

R2 = 0.0707P=0.489

R2 = 0.7542P=0.330

R2 = 0.063P=0.549

R2 = 0.1803P=0.2546

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US Atlantic - SE

U.S. Gulf Coast

New South Wales

Victoria

Mediterranean

Tide Height (m)


Linear Accretion Trajectories vs. Tide Height in 34 Saltmarsh SettingsGrouped by Geographic Setting

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US Atlantic - SE

U.S. Gulf Coast

New South Wales

Victoria

NW Europe

Mediterranean

Tide Height (m)


Linear Trends in Elevation vs. Tide Height in 52 Saltmarsh SettingsGrouped by Geographic Setting

R2 = 0.0474P=0.639

R2 = 0.0602P=0.558

INTECOL Summary DataINTECOL Summary Data

IDCountryStateRegionRegionNGrouped GeomorphElevation(m)TideHt(m)BulkDens%OM(0-1)RSLRmm/yrSET_TrendHZSSIDRegionRegionNHZRSLRmm/yr

75FranceRhone-Alpes-Cote d'AzurMediterranean8Delta0.31.220.1232.03.902.94-0.9612US Atlantic - NE (Can)17.31712.6

76FranceRhone-Alpes-Cote d'AzurMediterranean8Delta0.31.440.0911.7-0.220.861.0813US Atlantic - NE (Can)114.89222.6

77FranceRhone-Alpes-Cote d'AzurMediterranean8Delta0.31.170.141.50.950.810.0723US Atlantic - NE (Can)12.972.6

79ItalyMediterranean8Delta0.290.82.23.754.250.5024US Atlantic - NE (Can)12.402.6

80ItalyMediterranean8DeltaSF1: 0.35, SF2: 0.290.8SF1: 0.5SF1: 0.2433.853.73-0.1325US Atlantic - SE23.804.1

81ItalyMediterranean8Delta0.380.81.71.754.132.3826US Atlantic - SE24.513.9

82ItalyMediterranean8Delta0.440.82.76.8516.609.7527US Atlantic - SE25.803.9

89SpainCatalunyaMediterranean8Delta0.351.2828US Atlantic - SE24.633.9

90SpainCatalunyaMediterranean8Delta0.31.20.055757.3029US Atlantic - SE22.333.9

49AustraliaNew South WalesNew South Wales5Estuarine1.720.690.963.402.4430US Atlantic - SE26.993.9

54AustraliaNew South WalesNew South Wales5Estuarine1.420.911.261.580.3231US Atlantic - SE216.593.9

55AustraliaNew South WalesNew South Wales5Estuarine1.620.912.892.68-0.2032US Atlantic - SE22.801.5

56AustraliaNew South WalesNew South Wales5Estuarine1.420.331.894.522.6336U.S. Gulf Coast30.971.2

57AustraliaNew South WalesNew South Wales5Estuarine1.720.331.492.240.7537U.S. Gulf Coast316.7613.8

59AustraliaNew South WalesNew South Wales5Estuarine1.620.69-1.681.793.4838U.S. Gulf Coast33.218.5

60AustraliaNew South WalesNew South Wales5Back-barrier Marsh1.11.2-0.47-0.175.755.9246US Pacific45.872

63AustraliaNew South WalesNew South Wales5Delta1.72-0.40.870.29-0.5847US Pacific41.072

64EnglandEssexNW Europe7Estuarine4.62.43.6149New South Wales53.400.69

65EnglandEssexNW Europe7Estuarine4.62.45.4554New South Wales51.580.91

66EnglandSuffolkNW Europe7Estuarine3.62.42.8555New South Wales52.680.91



69EnglandNorfolkNW Europe7Coastal Bay2.41.8059New South Wales51.790.69

70EnglandNorfolkNW Europe7Backbarrier marsh2.43.0460New South Wales55.75-0.47

71EnglandNorfolkNW Europe7Backbarrier marsh6.42.45.7963New South Wales50.29-0.4

72EnglandNorfolkNW Europe7Backbarrier marsh6.42.46.5153Victoria64.232.66

73EnglandNorfolkNW Europe7Backbarrier marsh6.42.46.3158Victoria61.932.66

36USAFloridaU.S. Gulf Coast3Coastal Bay0.911.0670.18321.20.150.971.0261Victoria62.192.66

37USALouisianaU.S. Gulf Coast3Delta0.30.2890.1813.82.6116.7614.1562Victoria61.492.66

38USALouisianaU.S. Gulf Coast3Delta0.30.0198.50.413.212.6975Mediterranean82.942.0

1CanadaNew BrunswickUS Atlantic - NE (Can)1Coastal Bay110.0270.50.6876Mediterranean80.861.7



4CanadaNew BrunswickUS Atlantic - NE (Can)1Coastal Bay140.0250.52.4080Mediterranean83.733



12USAMassachussetsUS Atlantic - NE (Can)1Coastal Bay2.67.747.3171-0.4236

13USAMassachussetsUS Atlantic - NE (Can)1Coastal Bay2.65.0114.89229.89

14USAMassachussetsUS Atlantic - NE (Can)1Back-barrier Marsh0.680.080.40022.5417.57









23USAMassachussettsUS Atlantic - NE (Can)1Back-barrier Marsh22.62.722.970.86

24USAMassachussettsUS Atlantic - NE (Can)1Back-barrier Marsh2.63.402.40-1.00

25USANew JerseyUS Atlantic - SE2Back-barrier Marsh1.24.11.693.802.11

26USAVirginiaUS Atlantic - SE2Coastal Bay1.450.2880.253.94.674.51-0.16

27USAVirginiaUS Atlantic - SE2Coastal Bay1.450.120.653.92.735.803.07

28USAVirginiaUS Atlantic - SE2Coastal Bay1.450.143.90.544.634.10

29USAVirginiaUS Atlantic - SE2Back-barrier Marsh0.8951.23.91.402.330.93



32USANorth CarolinaUS Atlantic - SE2Back-barrier Marsh0.230.1070.62961.52.902.80-0.04

33USASouth CarolinaUS Atlantic - SE2Back-barrier Marsh1.33.45.10

35USAGeorgiaUS Atlantic - SE2Coastal Bay1.22.30.50.08-2.26

46USACaliforniaUS Pacific4Tidal Inlet1.2610.5550.0847524.845.871.06

47USACaliforniaUS Pacific4Tidal Inlet1.6571.1740.10582-0.041.071.32

53AustraliaVictoriaVictoria6Coastal Bay2.532.665.034.23-0.80

58AustraliaVictoriaVictoria6Coastal Bay2.832.66-0.591.932.52

61AustraliaVictoriaVictoria6Coastal Bay2.232.660.242.191.94

62AustraliaVictoriaVictoria6Coastal Bay2.532.660.581.490.90

Diann Prosser:redone for saltmarsh


























US Atlantic - SE

U.S. Gulf Coast

US Pacific

New South Wales

Victoria

Mediterranean




R2 = 0.197P=0.231

R2 = 0.0414P=0.629

R2 = 0.0114P=0.755

R2 = 0.871P=0.067

R2 = 0.6965P=0.001

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US Atlantic - SE

U.S. Gulf Coast

US Pacific

New South Wales

Victoria

#REF!

1:1 Line

Mediterranean



Linear Accretion Trends vs. Sea-Level Rise in 36 Saltmarsh SettingsGrouped by Regional Setting

R2 = 0.0662P=0.538

R2 = 0.7839P=0.308

R2 = 0.0473P=0.605

R2 = 0.3344P=0.1738

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0


















US Atlantic - SE

U.S. Gulf Coast

US Pacific

New South Wales

Victoria

NW Europe

Mediterranean



Linear Trends in Elevation vs. Sea-Level Rise in 64 Saltmarsh SettingsGrouped by Geographic Setting

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Philippe Hensel:Amplitude
















lynchj:Pb-210 core (0-18cm)












INTECOL Summary DataINTECOL Summary Data

IDCountry

francesco scarton 1 , daniele are 1 , andrea rismondo 1 and john day 2

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