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Mapping South Asian dry dipterocarp forest using dualseason satellite imagery
- 1. Mapping South Asian dryMapping South Asian dry dipterocarp forestdipterocarp forest using dual-seasonusing dual-season satellite imagery.satellite imagery. Hugh Stimson, Melissa Songer & Peter LeimgruberHugh Stimson, Melissa Songer & Peter Leimgruber 2nd Smithsonian Geographic Information Systems Conference2nd Smithsonian Geographic Information Systems Conference February 11, 2005February 11, 2005 National Zoological ParkNational Zoological Park Conservation & Research CenterConservation & Research Center Conservation GIS LabConservation GIS Lab
- 2. Dry Dipterocarp ForestDry Dipterocarp Forest ““Indaing”Indaing” High IndaingHigh Indaing Low IndaingLow Indaing • South East and South AsiaSouth East and South Asia • Highly seasonalHighly seasonal • Regular burningRegular burning • Occurs near humansOccurs near humans
- 3. Dry Dipterocarp ForestDry Dipterocarp Forest ““Indaing”Indaing” Eld’s DeerEld’s Deer Cervus eldi thaminCervus eldi thamin LeopardLeopard Panthera pardusPanthera pardus BatengBateng Bos javanicusBos javanicus • also Asian Hare, Barking Deer, othersalso Asian Hare, Barking Deer, others
- 4. • Cervus eldi thaminCervus eldi thamin • Dry Dipterocarp Forest preferred habitatDry Dipterocarp Forest preferred habitat • Gone from most of former rangeGone from most of former range • Habitat loss most significant threatHabitat loss most significant threat • Resident of CRCResident of CRC Dry Dipterocarp ForestDry Dipterocarp Forest ““Indaing”Indaing”
- 5. Dry Dipterocarp ForestDry Dipterocarp Forest ““Indaing”Indaing” • Agricultural replacementAgricultural replacement • Timber and non-timber extractionTimber and non-timber extraction
- 6. Sensing and MappingSensing and Mapping Chatthin National ParkChatthin National Park December 2000 ASTER imageDecember 2000 ASTER image Chatthin National ParkChatthin National Park March 2000 ASTER imageMarch 2000 ASTER image
- 7. Sensing and MappingSensing and Mapping November 2001 Landsat imageNovember 2001 Landsat image March 2000 Landsat imageMarch 2000 Landsat image
- 8. Sensing and MappingSensing and Mapping ``
- 9. Sensing and MappingSensing and Mapping ---- Protected Areas Systems Review of the Indo-Malayan RealmProtected Areas Systems Review of the Indo-Malayan Realm Asian Bureau for ConservationAsian Bureau for Conservation
- 10. Dual-Season SensingDual-Season Sensing November 2001 image – wet seasonNovember 2001 image – wet season March 2000 image – dry seasonMarch 2000 image – dry season
- 11. Dual-Season SensingDual-Season Sensing April 7 2003 MODIS image – dry seasonApril 7 2003 MODIS image – dry season November 1 2003 MODIS image – wet seasonNovember 1 2003 MODIS image – wet season Moderate-Resolution ImagingModerate-Resolution Imaging Spectroradiometer (MODIS)Spectroradiometer (MODIS) • NASA operatedNASA operated • 1-2 day temporal resolution1-2 day temporal resolution • 36 discrete bands36 discrete bands • 250, 500, or 1000m pixels250, 500, or 1000m pixels • 2300km swath2300km swath • several pre-processed productsseveral pre-processed products • freely availablefreely available
- 13. Dual-Season SensingDual-Season Sensing NDVI 880-660 880+660 Normalized Differential Vegetation Index (NDVI)Normalized Differential Vegetation Index (NDVI)
- 14. Dual-Season SensingDual-Season Sensing April 7 2003 MODIS image – dry seasonApril 7 2003 MODIS image – dry season November 1 2003 MODIS image – wet seasonNovember 1 2003 MODIS image – wet season Moderate-Resolution ImagingModerate-Resolution Imaging Spectroradiometer (MODIS)Spectroradiometer (MODIS) • NASA operatedNASA operated • 1-2 day temporal resolution1-2 day temporal resolution • 36 discrete bands36 discrete bands • 250, 500, or 1000m pixels250, 500, or 1000m pixels • 2300km swath2300km swath • several pre-processed productsseveral pre-processed products • freely availablefreely available
- 15. Dual-Season SensingDual-Season Sensing April 7 2003 MODIS image – dry seasonApril 7 2003 MODIS image – dry season November 1 2003 MODIS image – wet seasonNovember 1 2003 MODIS image – wet season Moderate-Resolution ImagingModerate-Resolution Imaging Spectroradiometer (MODIS)Spectroradiometer (MODIS) • NASA operatedNASA operated • 1-2 day temporal resolution1-2 day temporal resolution • 36 discrete bands36 discrete bands • 250, 500, or 1000m pixels250, 500, or 1000m pixels • 2300km swath2300km swath • several pre-processed productsseveral pre-processed products • freely availablefreely available Raw data for classification.Raw data for classification.
- 16. Dual-Season SensingDual-Season Sensing Advanced Spaceborne ThermalAdvanced Spaceborne Thermal and Emmission and Reflectionand Emmission and Reflection Radiometer (ASTER)Radiometer (ASTER) • NASA and Japanese Ministry ofNASA and Japanese Ministry of Economy Trade and IndustryEconomy Trade and Industry operatedoperated • 14 discrete bands14 discrete bands • 15, 30, or 90m pixels15, 30, or 90m pixels • 60km swath60km swath March 7 2002 ASTER image – dry seasonMarch 7 2002 ASTER image – dry season November 24 2001 ASTER image – wet seasonNovember 24 2001 ASTER image – wet season
- 17. Dual-Season SensingDual-Season Sensing Advanced Spaceborne ThermalAdvanced Spaceborne Thermal and Emmission and Reflectionand Emmission and Reflection Radiometer (ASTER)Radiometer (ASTER) • NASA and Japanese Ministry ofNASA and Japanese Ministry of Economy Trade and IndustryEconomy Trade and Industry operatedoperated • 14 discrete bands14 discrete bands • 15, 30, or 90m pixels15, 30, or 90m pixels • 60km swath60km swath March 7 2002 ASTER image – dry seasonMarch 7 2002 ASTER image – dry season November 24 2001 ASTER image – wet seasonNovember 24 2001 ASTER image – wet season Imagery for trainingImagery for training classifactation.classifactation.
- 21. April 7 2003 MODIS image – dry seasonApril 7 2003 MODIS image – dry season November 1 2003 MODIS image – wet seasonNovember 1 2003 MODIS image – wet season Dual-Season AnalysisDual-Season Analysis
- 23. wet season NDVIwet season NDVI dd rr yy ss ee aa ss oo nn NN DD VV II Dual-Season AnalysisDual-Season Analysis
- 24. wet season NDVIwet season NDVI dd rr yy ss ee aa ss oo nn NN DD VV II Dual-Season AnalysisDual-Season Analysis
- 25. wet season NDVIwet season NDVI dd rr yy ss ee aa ss oo nn NN DD VV II Dual-Season AnalysisDual-Season Analysis
- 26. wet season NDVIwet season NDVI dd rr yy ss ee aa ss oo nn NN DD VV II Dual-Season AnalysisDual-Season Analysis
- 27. wet season NDVIwet season NDVI dd rr yy ss ee aa ss oo nn NN DD VV II Dual-Season AnalysisDual-Season Analysis
- 28. ResultsResults Results of supervised classification.Results of supervised classification.
- 29. ResultsResults Results of supervised classification.Results of supervised classification.
- 30. ResultsResults
- 31. ResultsResults
- 32. Remaining to do:Remaining to do: • Develop a landscape-levelDevelop a landscape-level accuracy assessmentaccuracy assessment approach.approach. • Try including a digitalTry including a digital elevation layer in theelevation layer in the classification model.classification model. ResultsResults
- 33. Thanks:Thanks: Thomas Mueller,Thomas Mueller, Dan Kelly,Dan Kelly, Jamie Robertson,Jamie Robertson, Kevin KoyKevin Koy National Zoological ParkNational Zoological Park Conservation & Research CenterConservation & Research Center Conservation GIS LabConservation GIS Lab