surface water – groundwater interaction in san acacia reach nabil shafike new mexico interstate...
TRANSCRIPT
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Surface Water – Groundwater Interaction in San Acacia Reach
Nabil Shafike
New Mexico Interstate
Stream Commission
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SW/GW A Single Resource
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Gaining / Losing Streams
Winter et al. 1998.
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Disconnected Stream
Winter et al. 1998.
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Stream Aquifer Interaction Under Stress
Winter et al. 1998.
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Mathematical Representation
Stream –aquifer System
Representation of the Stream –aquifer System
Land Surface
River Surface
Water Table
Head in Cell (h)
Streambed
River Stage (HRIV)
Impermeable Walls
M
WRBOT
If h > RBOT
Leakage = Cond (HRIV – h)
If h <= RBOT
Leakage = Cond (HRIV – RBOT)
Riverbed Conductance = KLW/M
MODFLOW River Packages:
- Riv1 (MODFLOW 83)
- Riv2 (Miller 1988)
- Stream Pckg (Prudic, 89)
- BRANCH (Swain et al, 97)
- SFR-1 (Prudic et al, 2004)
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Conceptualization of the SW System
Dra
in U
nit
7
Rio
Gra
nde
Lemitar
1200Neil Cupp
Waste Way
BDA Diversion
BDA Diversion
Waste Way
Irrigation System
Bosque del Apache NWR
San Marcial
San Acacia
Elephant Butte Reservoir
9 Mile outfall
Ri p
aria
n S
yst e
m
Rip
aria
n S
yste
m
LF
C C
han
nel
Socorro Main Canal
Storm Water
Storm Water
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Conceptualization of the Groundwater System
(Anderholm 1987)
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Shallow SW/GW Interaction
FLOOD PLAIN CROSS SECTION AT RIVER MILE 99NEAR SOCORRO
4570
4575
4580
4585
4590
4595
4600
4605
4610
0100200300400500600700800900100011001200130014001500160017001800190020002100
DISTANCE (Feet)
EL
EV
AT
ION
(ft
am
sl)
R io GrandeLFC
Channel Agr.Drain
Riparian ETOpen Water Evaporation
EastWest
River Seepage
LFCC Gain
??
Levee
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Surface Water Depletion
MASS CURVE OF SURFACE WATER DEPLETION OF SAN ACACIA REACH
-
500,000
1,000,000
1,500,000
2,000,000
2,500,000
3,000,000
3,500,000
4,000,000
4,500,000
1958 1960 1962 1964 1966 1968 1970 1972 1974 1976 1978 1980 1982 1984 1986 1988 1990 1992 1994 1996 1998 2000
YEAR
CU
MM
UL
AT
IVE
FL
OW
(A
F)
Average Depletion = 103,000 afy
(1987 to 1999)
Average Depletion = 69,800 afy
(1959 to 1978)
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Rio Grande Seepage Analysis
Distance (mile)
Loss (cfs/mile)
10 9.5 6.5 3.5 12 6.5 4
1 to 4 5 to 10 13 to 20 5 to 12 4 to 10 2 to 10 1 to 2
San
Aca
cia
Bro
wn
Arr
oyo
HW
380
Nor
th B
dA
Sou
th B
dA
San
Mar
cial
For
t Cra
ig
Esc
ondi
da B
r.
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Aquifer Test Analysis
Analysis of HW-380 Aquifer Test
0.01
0.1
1
10
100
0.01 0.1 1 10 100 1000 10000
Ellapsed Time (min)
Dra
w D
ow
n (
ft)
PWl
Simulated PW
OW-07a
Sumulated 7a
OW-07b
Simulated 7b
OW-07c
Simulated 7c
H. Hydrauic Conductivity (Kx) = 72.0 ft/dayV. Hydraulic Conductivity (Kz) = 3.6 ft/dayKh : Kz = 20 : 1 Specific Yield (Sy) = 0.15Specific Storage (Ss) = 6.0e-07 1/ftDischarge (Q) = 76.0 gpm
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CONSUMPTIVE USE OF SAN ACACIA TO SAN MARCIAL REACH
59% 31%
9%1%
Riparian ET Crop ET Open Water Evap M&I Depletion
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Regional GW/SW ModelMODEL CROSS SECTION ALONG ROW #7
0
1000
2000
3000
4000
5000
6000
10.00 11.00 12.00 13.00 14.00 15.00 16.00 17.00 18.00 19.00
DISTANCE (mile)
EL
EV
AT
IOM
(ft
ms
l)
Layer - 4
Layer - 3
Layer - 2
Layer - 1
MODEL CROSS SECTION ALONG MODEL ROW #100
0
1000
2000
3000
4000
5000
6000
10 12 14 16 18 20 22
DISTANCE (mile)
EL
EV
AT
IOM
(ft
ms
l)
Layer - 4
Layer - 3
Layer - 2
Layer - 1
Layer - 5
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Riparian Vegetation
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Measured vs Simulated Steady StateWater LevelsOBSERVED VS SIMULATED WATER TABLE ELEVATION
4400
4420
4440
4460
4480
4500
4520
4540
4560
4580
4600
4620
4640
4660
4680
4700
4400 4420 4440 4460 4480 4500 4520 4540 4560 4580 4600 4620 4640 4660 4680 4700
OBSERVED (ft)
SIM
UL
AT
ED
(ft
)
R 2 = 0.86RMSE = 24 ft
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Simulated Steady State Water Levels
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Measured Water Levels at HW-380
HWY-E03 Wells Daily Data
4537.0
4540.0
4543.0
4546.0
4549.0
4552.0
4555.0
3/20/03 6/28/03 10/6/03 1/14/04 4/23/04 8/1/04 11/9/04 2/17/05 5/28/05
Date
Wate
r E
levati
on
in
Feet
HWY-E03A Daily Data HWY-E03B Daily Data HWY-E03A Manual Data HWY-E03B Manual Data
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Measured Water Levels Near San Marcial
SMC-W06 Wells Manual Data
4459.00
4462.00
4465.00
4468.00
4471.00
4474.00
4477.00
4480.00
3/20/03 6/28/03 10/6/03 1/14/04 4/23/04 8/1/04 11/9/04 2/17/05 5/28/05
Date
Wa
ter
Ele
va
tio
n in
Fe
et
SMC-W06A Manual Data SMC-W06B Manual Data
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Inflow Hydrograph at San Acacia(Transient Run)
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Riparian Evapotranspiration RateRiparian Evapotranspiration Rate (year 2001)
0.00000
0.00500
0.01000
0.01500
0.02000
0.02500
0.03000
0.03500
0.04000
0.04500
Jan-01 Jan-01 Mar-01 Apr-01 May-01 Jun-01 Jul-01 Aug-01 Sep-01 Oct-01 Nov-01 Dec-01
Date
ET
Rat
e (f
t/d
ay)
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Rio Grande Flow at San MarcialSimulated and Measured Rio Grande Flow at San Marcial
0.0
400.0
800.0
1200.0
1600.0
2000.0
2400.0
2800.0
Jan-01 Jan-01 Mar-01 Apr-01 May-01 Jun-01 Jul-01 Aug-01 Sep-01 Oct-01 Nov-01 Dec-01
Date
Flo
w (
cfs)
Simulated
Measured
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LFCC Flow at San MarcialSimulated and Measured LFCC Flow at San Marcial
0
50
100
150
200
250
300
350
400
450
500
Jan-01 Jan-01 Mar-01 Apr-01 May-01 Jun-01 Jul-01 Aug-01 Sep-01 Oct-01 Nov-01 Dec-01
Date
Flo
w (
cfs)
Measured
Simulated
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Simulated Groundwater Levelsat Escandida and San Antonio
Groundwater Elevation at Escandida
4601
4602
4603
4604
4605
4606
4607
4608
4609
4610
Jan-01 Jan-01 Mar-01 Apr-01 May-01 Jun-01 Jul-01 Aug-01 Sep-01 Oct-01 Nov-01 Dec-01
Date
Ele
vatio
n (
ft m
sl)
West LFCC
East of RG
Groundwater Elevation at San Antonio
4535
4536
4537
4538
4539
4540
4541
4542
4543
4544
4545
Jan-01 Jan-01 Mar-01 Apr-01 May-01 Jun-01 Jul-01 Aug-01 Sep-01 Oct-01 Nov-01 Dec-01
Date
Ele
vatio
n (
ft m
sl)
West LFCC
East RG
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Operation Scenarios:
1- Max diversion of 500 cfs and min of 100 cfs
2- Max diversion of 1000 cfs and min of 100 cfs
3- All flow diverted to LFCC with a max of 2000 cfs
Hydrology of year 2001 was used in all scenarios
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Water Budget Analysis
ScenarioSocorro
MainDepletion ET
Inflow Outflow Inflow Outflow Inflow Inflow Outflowaf af af af af af af af af
No Diversion to LFCC 394,328 228,868 - 173,494 112,000 506,328 402,362 103,966 66,950
Max Diversion 500 cfs 201,459 76,933 192,869 321,218 112,000 506,328 398,151 108,177 69,330
Max Diversion 1000 cfs 174,389 54,538 219,939 343,310 112,000 506,328 397,848 108,480 69,601
LFCC up to 2000 cfs 3,055 1,656 391,273 418,276 112,000 506,328 419,932 86,396 53,096
RIO Grande LFCC Total
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Water Above Land Surface
Current Operation Maximum Operation
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Concluding RemarksFor this specific year (2001-hydrology) and given the model input conditions:
1- SW Operations impact its interaction with the groundwater system.
2- There is no significant difference in depletions between current operation of the LFCC as a drain and a maximum diversion between 500 cfs to 1000 cfs.
2- Operating the LFCC up to its maximum capacity (2000 cfs) provides the most efficient way to convey water to Elephant Butte because evapotranspiration losses are reduced.