Integration of remotely sensed data into a GIS of soil resources

Transcription

1 UN / Austria / ESA Symposium Space Tools and Solutions for Monitoring the Atmosphere and Land Cover Integration of remotely sensed data into a GIS of soil resources Diana Hanganu,, Roxana Vintila ICPA Bucharest, Romania 9-12 September 2008, Graz, Austria 1

2 Generation of maps with affected areas by degradation processes (based on GIS information) 1. Map of the areas affected by water erosion 9-12 September 2008, Graz, Austria 1

3 2. Map of the areas affected by gleyzation 9-12 September 2008, Graz, Austria 2

4 3. Map of the areas affected by pseudogleyzation 9-12 September 2008, Graz, Austria 3

5 Outline 1. Contribution of satellite remote sensing to soil science 2. The GIS of Soil Resources of Romania at 1: scale 3. The Land Cover Dynamics of Romania 4. Integration of Remotely Sensed Data into the GIS of Soil Resources of Romania - Case Study on a Vulnerable Area 5. Summary and Conclusions 9-12 September 2008, Graz, Austria 4

6 5. Summary and conclusions 9-12 September 2008, Graz, Austria 5

7 5. Summary and conclusions (cont.) 9-12 September 2008, Graz, Austria 6

8 Outline 1. Contribution of Satellite Remote Sensing to Soil Science 2. The GIS of Soil Resources of Romania at 1: scale 3. The Land Cover Dynamics of Romania 4. Integration of Remotely Sensed Data into the GIS of Soil Resources of Romania - Case Study on a Vulnerable Area 5. Summary and Conclusions 9-12 September 2008, Graz, Austria 2

9 Outline 1. Contribution of satellite remote sensing to soil science 2. The GIS of Soil Resources of Romania at 1: scale 3. The Land Cover Dynamics of Romania 4. Integration of Remotely Sensed Data into the GIS of Soil Resources of Romania - Case Study on a Vulnerable Area 5. Summary and Conclusions 9-12 September 2008, Graz, Austria 3

10 1. Contribution of satellite remote sensing to soil science (1/2) Benefits and limits of the use of spatial RS data in soil science 9-12 September 2008, Graz, Austria 4

11 1. Contribution of satellite remote sensing to soil science (2/2) Retrievable parameters by RS involved in the functioning of the soil-canopy system Evapotranspiration, Photosynthesis Hydric functioning Carbon and Nitrogen Assimilation Spectral Domains Optical domain Thermal Infrared Reflectance Surface temperature Albedo Hydric stress Canopy structure: cover fraction (fcover( fcover) Canopy structure: leaf area index (LAI( LAI) ) and angles of leaves Leaf Chlorophyll Content (Ca+b( Ca+b) Fraction of photo- synthetically active radiation absorbed by canopy (fapar) Evapo- transpiration Microwave Surface moisture 9-12 September 2008, Graz, Austria 5

12 Outline 1. Contribution of satellite remote sensing to soil science 2. The GIS of Soil Resources of Romania at 1: scale 3. The Land Cover Dynamics of Romania 4. Integration of Remotely Sensed Data into the GIS of Soil Resources of Romania - Case Study on a Vulnerable Area 5. Summary and Conclusions 9-12 September 2008, Graz, Austria 6

13 2. The GIS of Soil Resources of Romania at 1: scale (1/2) MAIN FACTS ABOUT ROMANIA 9-12 September 2008, Graz, Austria 7

14 2. The GIS of Soil Resources of Romania at 1:200,000 scale (2/2) Polygons and Attributes The Soil Map of Romania at 1: scale has 50 tiles and about t delineations For each soil delineation ( polygon( polygon ), the GIS manages: - Four attributes ( characteristics( characteristics ) ) existing on the map: - Mapping unit - Topsoil texture - Skeleton - Land slide risk - Six attributes inferred by expert rules: - Water erosion - Gleyzation - Wind erosion - Pseudogleyzation - Salinisation - Alkalization 9-12 September 2008, Graz, Austria 8

15 Outline 1. Contribution of satellite remote sensing to soil science 2. The GIS of Soil Resources of Romania at 1: scale 3. The Land Cover Dynamics of Romania 4. Integration of Remotely Sensed Data into the GIS of Soil Resources of Romania - Case Study on a Vulnerable Area 5. Summary and Conclusions 9-12 September 2008, Graz, Austria 9

16 3. The Land Cover Dynamics of Romania Information from the CORINE Land Cover Project funded by the EC: - CLC 90 : Satellite image acquisitions over Romania during in 1993 and years LC information available in CLC 2000 : Satellite image acquisitions during 2000; LC information, including LC changes, available in CLC 2006 : Satellite image acquisitions during 2006; LC information, including LC changes, available in September 2008, Graz, Austria 10

17 Outline 1. Contribution of satellite remote sensing to soil science 2. The GIS of Soil Resources of Romania at 1: scale 3. The Land Cover Dynamics of Romania 4. Integration of Remotely Sensed Data into the GIS of Soil Resources of Romania - Case Study on a Vulnerable Area 5. Summary and Conclusions 9-12 September 2008, Graz, Austria 11

18 Area of Interest 9-12 September 2008, Graz, Austria 12

19 Generation of LC by satelllite image photointerpretation 1. Validation of the Landsat TM image orthorectification (based on hydro- graphic cover 1:25,000) 9-12 September 2008, Graz, Austria 13

20 2. Land Cover (according CORINE classification) 9-12 September 2008, Graz, Austria 14

21 3. Validation of the Landsat images co-registration (for LC changes) 9-12 September 2008, Graz, Austria 15

22 Generation of maps with affected areas by degradation processes (based on GIS information) 1. Map of the areas affected by water erosion 9-12 September 2008, Graz, Austria 16

23 2. Map of the areas affected by gleyzation 9-12 September 2008, Graz, Austria 17

24 3. Map of the areas affected by pseudogleyzation 9-12 September 2008, Graz, Austria 18

25 Outline 1. Contribution of satellite remote sensing to soil science 2. The GIS of Soil Resources of Romania at 1: scale 3. The Land Cover Dynamics of Romania 4. Integration of Remotely Sensed Data into the GIS of Soil Resources of Romania - Case Study on a Vulnerable Area 5. Summary and Conclusions 9-12 September 2008, Graz, Austria 19

26 5. Summary and conclusions 9-12 September 2008, Graz, Austria 20

27 5. Summary and conclusions (cont.) 9-12 September 2008, Graz, Austria 21

28 Thank you for your attention! 9-12 September 2008, Graz, Austria 22