novel gis and remote sensing- based techniques for soils at … · 2016-06-03 · forest continuum...
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![Page 1: Novel GIS and Remote Sensing- based techniques for soils at … · 2016-06-03 · forest continuum Energy inputs for STS and other directives Environment. 29 JRC Ispra - IES Thanks](https://reader033.vdocuments.us/reader033/viewer/2022042803/5f440db5649c6f682457f7df/html5/thumbnails/1.jpg)
JRC Ispra - IES1
Novel GIS and Remote Sensing-based techniques for soils at
European scales
F. Carré, T. Hengl, H.I. Reuter, L. Rodriguez-Lado
G. Schmuck (LMNH Unit) & L. Montanarella (MOSES Action)
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JRC Ispra - IES2
Framework of the project
Soil Thematic Strategy
European Soil Data Center
OUR RESEARCH ACTIVITY
Data support
Data nee
ds
Methods & Data
Communication
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JRC Ispra - IES3
Innovation of the project
Problem of traditional soil maps
From a scientific point of view
- traditional soil maps are not easy to understand (no methodology described, terminology understandable only by soil science community)
- soil attribute information can be missing at appropriate scale
From an economic point of view
- Usually soil attributes and classes are represented with crisp boundaries coming from expert interpretation and there is no indication of the soil map quality
Traditional soil surveys are very expensive because they need a lot of auger information
Need quantitative methods to map easy to interpret attributes
Need easy- to-use models (tools) for soil mapping
Need to evaluate the accuracy of the soil maps
Need sampling techniques for augering
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JRC Ispra - IES4
uncertainty
Innovation in images…
Soil type map
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JRC Ispra - IES5
To provide quantitative soil data, producible at low cost and easy-to-interpret-and-use (for other scientists and policy makers)
Core
How?
- for mapping;
By elaborating quantitative methods :
- for estimating associated accuracy;
Using easily accessible indirect soil information (auxiliary data)
Core of the methodology
Digital Soil MappingName
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JRC Ispra - IES6
DSM in practice (example of application)
Presentation of Digital Soil Mapping methodology
Tools and guidelines addressed to soil data users
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JRC Ispra - IES7
Soil observations Auxiliary data
Soil inference system
(spatial, attribute)
Soil attributes Soil classes
Spatial accuracy
Soil threatsSoil functions
Scenario testing/ risk assessment
Market / society Environment
POLICIES / MANAGEMENT
Sampled data
Soil covariates
(RS images, DEM…)
Statistics
Geostatistics
Accuracy map
Soil attribute map
Suitability map
Erosion map
Digital Soil Mapping (DSM)
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JRC Ispra - IES8
DSM in practice (example of application)
Presentation of Digital Soil Mapping methodology
Tools and guidelines addressed to soil data users
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JRC Ispra - IES9
DSM application example
Heavy Metal Content in Zagreb County (Croatia)
Author: Hengl (2006)
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JRC Ispra - IES10
Soil observations Auxiliary data
Soil inference system
(spatial, attribute)
Soil attributes Soil classes
Spatial accuracy
Soil threatsSoil functions
Scenario testing/ risk assessment
Market / society Environment
POLICIES / MANAGEMENT
Heavy Metal content
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JRC Ispra - IES11
Soil observations Auxiliary data
Soil inference system
(spatial, attribute)
Soil attributes Soil classes
Spatial accuracy
Soil threatsSoil functions
Scenario testing/ risk assessment
Market / society Environment
POLICIES / MANAGEMENT
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JRC Ispra - IES12
1142 samples over 3700 km2: contents of Cu, Pb, Ni, Zn
Zagreb county
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JRC Ispra - IES13
Soil observations Auxiliary data
Soil inference system
(spatial, attribute)
Soil attributes Soil classes
Spatial accuracy
Soil threatsSoil functions
Scenario testing/ risk assessment
Market / society Environment
POLICIES / MANAGEMENT
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JRC Ispra - IES14
Zagreb county
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JRC Ispra - IES15
Soil observations Auxiliary data
Soil inference system
(spatial, attribute)
Soil attributes Soil classes
Spatial accuracy
Soil threatsSoil functions
Scenario testing/ risk assessment
Market / society Environment
POLICIES / MANAGEMENT
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JRC Ispra - IES16
Regression-kriging
Multiple Linear Regression
Yj = a1 X1 + a2X2 + … + an Xn + εj
Soil variable j residuals j
Kriging
Yj
...
... ..... ...
.
. .. ..
..
∑ aiXii
.
..
...
. .. .. .. ..
γεj
distance (m)
Sem
i-var
ianc
e
(interpolation process according to spatial autocorrelations of the variable)
Auxiliary data i
Spatially continuous Punctual
Summation of the two maps
regression
kriging
regression-kriging
auxiliary data
residuals
soil variables
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JRC Ispra - IES17
Soil observations Auxiliary data
Soil inference system
(spatial, attribute)
Soil attributes Soil classes
Spatial accuracy
Soil threatsSoil functions
Scenario testing/ risk assessment
Market / society Environment
POLICIES / MANAGEMENT
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JRC Ispra - IES18
Soil attribute map
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JRC Ispra - IES19
Soil observations Auxiliary data
Soil inference system
(spatial, attribute)
Soil attributes Soil classes
Spatial accuracy
Soil threatsSoil functions
Scenario testing/ risk assessment
Market / society Environment
POLICIES / MANAGEMENT
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JRC Ispra - IES20
Continuous maps of Heavy Metal Content
Spatial accuracy map
East
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JRC Ispra - IES21
Soil observations Auxiliary data
Soil inference system
(spatial, attribute)
Soil attributes Soil classes
Spatial accuracy
Soil threatsSoil functions
Scenario testing/ risk assessment
Market / society Environment
POLICIES / MANAGEMENT
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JRC Ispra - IES22
Limitation scores
From Hengl in Dobos et al. (2006)
Triantifalis et al., 2001
LS =b0 . HMCb1 -1 if HMC ≥ X1
0 if HMC < X1
00
5
10
15
20
25
50 100 150 200 250
30
Lim
itatio
n sc
ores
Permissible (baseline)
concentration
Serious pollution
Heavy metal concentration (mg kg-1)
LS= 0.000114. HMC2.322 -1
X1
X2
LS = 1 when HMC = X1
LS = 5 when HMC = X2
X1mg. kg-1
X2mg. kg-1
ln(b0) b1
CdCrCuNiPbZn
0.850503050
150
51001001060300
0.392-9.083-9.083-7.897-5.731
-11.634
1.7562.3222.3222.3221.4652.322
Pollution standards in Croatia
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JRC Ispra - IES23
Pollution map
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JRC Ispra - IES24
- Technical manual / textbook to process DEMs (Hengl & Reuter)
DSM in practice (example of application)
Presentation of Digital Soil Mapping methodology
Tools and guidelines addressed to soil data users
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JRC Ispra - IES25
Geomorphometry book (Hengl & Reuter)
DEM is the main source of data for DSM (70%)
Technical manual / textbook to process DEMs and extract surface parameters and objects
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JRC Ispra - IES26
CONCLUSIONS
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JRC Ispra - IES27
Digital Soil Mapping
Soil sampling
Continuous soil
classification
Interpretation of soil
attributes with RS data
Erosion (wind, water…)
tool
Actual work For 2007
Typology of soil pollutions
Improving EU soil map
Mapping of the ecosystem continuum
Modellingsoil
scenarios
Present / Future of DSM
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JRC Ispra - IES28
Digital Soil Mapping
Risk assessment
Support to FP7
Health
Inputs for biomass prediction
agriculture
Auxiliary data needs
Information and communication techno.
Input for soil -forest continuum
Energy
inputs for STS and other directives
Environment
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JRC Ispra - IES29
Thanks for your attention
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JRC Ispra - IES30
ANNEXES
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JRC Ispra - IES31
Economic gain of DSM
For physical soil parameters
We consider that DSM allows for saving 2/3 of the sampling
So for an area of 3700 km² where 1150 samples were measured, only 380 should be observed.
20 profile observations/ day can be done, paid around 150 €
Total cost: 2850 € instead of 8625 € (5775 € i.e. 67% saved)
For chemical soil parameters
We consider that DSM allows for saving 1/3 of the sampling
So for an area of 3700 km² where 1150 samples were measured, 770 should be measured.
1 profile measurement with 10 HMC + pH, OC, P, K, N is estimated to cost ~100 €
Total cost: 77000 € instead of 115000 € (38000 € saved i.e. 33%)
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JRC Ispra - IES32
Economic gain of DSMFor physical soil parameters: DSM allows for saving 2/3 of the sampling
1500 Km2 450 samples(3375 €)
150 samples(1125 €)
2250€SAVED
For chemical soil parameters: DSM allows for saving 2/3 of the sampling
1500 Km2 450 samples(45000 €)
300 samples(30000 €)
15000€SAVED
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JRC Ispra - IES33
Mapping of soil, by J.P. Legros (translated by V.A.K. Sharma). Science Publishers, Enfield, 2006. 409 pp ISBN 1-57808-363
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JRC Ispra - IES34
http://eusoils.jrc.it/ESDB_Archive/eusoils_docs/other/EUR22123.pdf
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JRC Ispra - IES35
Principles
Set of soil observations
1 2
65
3 4
7
8
11109
12 13 14
15
A
B
CD
Set of soil references
OSACA Software
12345
A B C D REF
0.72.5
3.00.2
1.20.1
0.4
1.30.1
0.80.6
0.61.50.10.1
0.0
0.30.11.21.9
A
BC
BB
Result table
dmin
0.1
0.10.10.10.1
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JRC Ispra - IES36
SOIL MAP OF AISNE (FRANCE) AT 1:250.000 SCALE (Carré & Reuter)
To be published in Elsevier (2007)SOIL MAPPING UNITS
OSACA Classes
DISTANCES TO SMU
OSACA distances
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JRC Ispra - IES37
SOIL INFERENCE SYSTEMFACTOR(1)
FAC
TOR
(1)
FACTOR(2)
ZNHG
CR
PB
CU
CD
NI
FACTOR(3)
CU
HG
NI
ZNCDPB
CR
FACTOR(4)
FAC
TOR
(1)
CUZN
NI
HGPBCD
CR
FAC
TOR
(2) PB
CD
HGNICR
CU
ZN
CU
HGNIZN
CD
PB
CR
FAC
TOR
(2)
CU
ZNNI HG
PB
CD
CR
FAC
TOR
(3)
PB
CD
HGNICR
CU
ZN ZN
HGCR PB
CU
CD
NI
FAC
TOR
(3)
CU
ZN
NIHGPB
CD
CR
FACTOR(1)
FAC
TOR
(4)
PBCD
HG
NICR
CUZN
FACTOR(2)
ZN
HG
CRPB
CUCDNI
FACTOR(3)
CU
HG
NI ZNCD
PBCR
FACTOR(4)
FAC
TOR
(4)
FACTOR(1)
FAC
TOR
(1)
FACTOR(2)
ZNHG
CR
PB
CU
CD
NI
FACTOR(3)
CU
HG
NI
ZNCDPB
CR
FACTOR(4)
FAC
TOR
(1)
CUZN
NI
HGPBCD
CR
FAC
TOR
(2) PB
CD
HGNICR
CU
ZN
CU
HGNIZN
CD
PB
CR
FAC
TOR
(2)
CU
ZNNI HG
PB
CD
CR
FAC
TOR
(3)
PB
CD
HGNICR
CU
ZN ZN
HGCR PB
CU
CD
NI
FAC
TOR
(3)
CU
ZN
NIHGPB
CD
CR
FACTOR(1)
FAC
TOR
(4)
PBCD
HG
NICR
CUZN
FACTOR(2)
ZN
HG
CRPB
CUCDNI
FACTOR(3)
CU
HG
NI ZNCD
PBCR
FACTOR(4)
FAC
TOR
(4)
Principal Component
Analysis
Soil contamination for Natura 2000 sites in Italy (Rodriguez-Lado)
Soil TypesHierarchical
Cluster Analysis
Heavy Metal Contents
P e r m u te d D a ta M a t r ix
-1012
C A L C A R IC F L U
C H R O M I C P H A E
C H R O M I C L U V I
D Y S T R I C L U V I
G L E Y I C P H A E O
E U T R IC C A M B I
C A L C A R IC P H A
C A L C A R IC R E G
C A L C A R IC G L E
L U V IC P H A E O Z
H A P L I C P H A E O
C A L C A R I C C A M
H U M IC U M B R IS
V I T R IC A N D O S
CR NI HG CD ZN PB CU
Calcaric FluvisolChromic Phaeozem
Chromic LuvisolDystric Luvisol
Gleyic PhaeozemEutric Cambisol
Calcaric PhaeozemCalcaric RegosolCalcaric GleysolLuvic Phaeozem
Haplic PhaeozemCalcaric Cambisol
Humic UmbrisolVitric Andosol
Cr Ni Hg Cd Zn Pb Cu
Basilicata
Calcaric FluvisolChromic Phaeozem
Chromic LuvisolDystric Luvisol
Gleyic PhaeozemEutric Cambisol
Calcaric PhaeozemCalcaric RegosolCalcaric GleysolLuvic Phaeozem
Haplic PhaeozemCalcaric Cambisol
Humic UmbrisolVitric Andosol
Cr Ni Hg Cd Zn Pb Cu
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JRC Ispra - IES38
Reuter In Reuter et al. (2006)
Wind Speed [m/s]
Climate erodibility of agriculture soils (Reuter)