View
161
Download
0
Category
Preview:
Citation preview
Mapping South Asian dry Mapping South Asian dry dipterocarp forest dipterocarp forest using dual-season satellite using dual-season satellite imagery.imagery.Hugh Stimson, Melissa Songer & Peter LeimgruberHugh Stimson, Melissa Songer & Peter Leimgruber
2nd Smithsonian Geographic Information Systems Conference 2nd 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
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
Dry Dipterocarp ForestDry Dipterocarp Forest““Indaing”Indaing”
Eld’s DeerEld’s DeerCervus eldi thaminCervus eldi thamin
LeopardLeopardPanthera pardusPanthera pardus
BatengBatengBos javanicusBos javanicus
• also Asian Hare, Barking Deer, othersalso Asian Hare, Barking Deer, others
• 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”
Dry Dipterocarp ForestDry Dipterocarp Forest““Indaing”Indaing”
• Agricultural replacementAgricultural replacement
• Timber and non-timber extractionTimber and non-timber extraction
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
Sensing and MappingSensing and Mapping
November 2001 Landsat imageNovember 2001 Landsat image
March 2000 Landsat imageMarch 2000 Landsat image
Sensing and MappingSensing and Mapping
`̀
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
Dual-Season SensingDual-Season Sensing
November 2001 image – wet seasonNovember 2001 image – wet season
March 2000 image – dry seasonMarch 2000 image – dry season
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 Imaging Moderate-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
Dual-Season SensingDual-Season Sensing
Dual-Season SensingDual-Season Sensing
NDVI 880-660880+660
Normalized Differential Vegetation Index (NDVI)Normalized Differential Vegetation Index (NDVI)
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 Imaging Moderate-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
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 Imaging Moderate-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.
Dual-Season SensingDual-Season SensingAdvanced Spaceborne Thermal Advanced Spaceborne Thermal and Emmission and Reflection and Emmission and Reflection Radiometer (ASTER)Radiometer (ASTER)• NASA and Japanese Ministry of NASA and Japanese Ministry of Economy Trade and Industry Economy Trade and Industry operatedoperated• 14 discrete bands14 discrete bands• 15, 30, or 90m pixels15, 30, or 90m pixels• 60km swath 60km 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
Dual-Season SensingDual-Season SensingAdvanced Spaceborne Thermal Advanced Spaceborne Thermal and Emmission and Reflection and Emmission and Reflection Radiometer (ASTER)Radiometer (ASTER)• NASA and Japanese Ministry of NASA and Japanese Ministry of Economy Trade and Industry Economy Trade and Industry operatedoperated• 14 discrete bands14 discrete bands• 15, 30, or 90m pixels15, 30, or 90m pixels• 60km swath 60km 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 training Imagery for training classifactation.classifactation.
Dual-Season SensingDual-Season Sensing
Dual-Season SensingDual-Season Sensing
Dual-Season AnalysisDual-Season Analysis
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
Dual-Season AnalysisDual-Season Analysis
wet season NDVIwet season NDVI
ddrry y sseeaassoon n NNDDVIVI
Dual-Season AnalysisDual-Season Analysis
wet season NDVIwet season NDVI
ddrry y sseeaassoon n NNDDVIVI
Dual-Season AnalysisDual-Season Analysis
wet season NDVIwet season NDVI
ddrry y sseeaassoon n NNDDVIVI
Dual-Season AnalysisDual-Season Analysis
wet season NDVIwet season NDVI
ddrry y sseeaassoon n NNDDVIVI
Dual-Season AnalysisDual-Season Analysis
wet season NDVIwet season NDVI
ddrry y sseeaassoon n NNDDVIVI
Dual-Season AnalysisDual-Season Analysis
ResultsResults
Results of supervised classification.Results of supervised classification.
ResultsResults
Results of supervised classification.Results of supervised classification.
ResultsResults
ResultsResults
Remaining to do:Remaining to do:
• Develop a landscape-level Develop a landscape-level accuracy assessment accuracy assessment approach.approach.
• Try including a digital Try including a digital elevation layer in the elevation layer in the classification model.classification model.
ResultsResults
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
Landscape ValidationLandscape Validation
Landscape ValidationLandscape Validation
Recommended