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Service Description: <div><b>Dates of Images:</b></div><div><b><br /></b></div><div>Post-Event: 11/2/2025</div><div><br /></div><div>Pre-Event: 10/19/2025</div><div><br /></div><div><b>Date of Next Image:</b></div><div><b><br /></b></div><div>Unknown</div><div><br /></div><div><b>Summary:</b></div><div><br /></div><div>Normalized Differential Vegetation Index (NDVI) maps are produced by converting pixel values to NDVI = (Red – NIR)/(Red + NIR), NIR indicates the near infrared band. The dynamically generated Normalized Difference Vegetation Index (NDVI) layer is an index for quantifying green vegetation. It reflects the state of vegetation health based on how vegetation reflects light at certain wavelengths.</div><div><br /></div><div>NDVI change was created by subtracting the cloud-masked post-event NDVI from the cloud-masked pre-event NDVI to show areas of potentially impacted vegetation as negative values (darker shades) and healthy/unimpacted vegetation in positive values (lighter shades). NDVI change can give insights to impacts from an event (like the scouring of vegetation from the riverbeds) but can also show changes in unrelated areas like the clearing of agriculture fields.</div><div><br /></div><div>This layer is a binary NDVI change polygon (threshold of areas where NDVI decreased by -0.25 or more) for November 2, 2025 as compared to October 20, 2025.</div><div><br /></div><div><b>Suggested Use:</b></div><div><b><br /></b></div><div>NDVI change: Commonly used to distinguish healthy/active vegetation (positive values) from potentially unhealthy/impacted vegetation (negative values). This map shows a binary flag where NDVI decreased.</div><div><br /></div><div><b>Satellite/Sensor:</b></div><div><br /></div><div>MultiSpectral Instrument (MSI) on European Space Agency's (ESA) Copernicus Sentinel-2A/2B satellites</div><div> </div><div><b>Resolution:</b></div><div><b><br /></b></div><div>3 meters</div><div><br /></div><div><b>Credits:</b></div><div><b><br /></b></div><div>NASA Disasters Program, Includes copyrighted material of Planet Labs PBC. All rights reserved.</div><div><br /></div><div><b>Esri REST Endpoint:</b></div><div><b><br /></b></div><div>See URL section on right side of page</div>
Map Name: planet_bNDVI
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Description: Dates of Images:Post-Event: 11/2/2025Pre-Event: 10/19/2025Date of Next Image:UnknownSummary:Normalized Differential Vegetation Index (NDVI) maps are produced by converting pixel values to NDVI = (Red – NIR)/(Red + NIR), NIR indicates the near infrared band. The dynamically generated Normalized Difference Vegetation Index (NDVI) layer is an index for quantifying green vegetation. It reflects the state of vegetation health based on how vegetation reflects light at certain wavelengths.NDVI change was created by subtracting the cloud-masked post-event NDVI from the cloud-masked pre-event NDVI to show areas of potentially impacted vegetation as negative values (darker shades) and healthy/unimpacted vegetation in positive values (lighter shades). NDVI change can give insights to impacts from an event (like the scouring of vegetation from the riverbeds) but can also show changes in unrelated areas like the clearing of agriculture fields.This layer is a binary NDVI change polygon (threshold of areas where NDVI decreased by -0.25 or more) for November 2, 2025 as compared to October 20, 2025.Suggested Use:NDVI change: Commonly used to distinguish healthy/active vegetation (positive values) from potentially unhealthy/impacted vegetation (negative values). This map shows a binary flag where NDVI decreased.Satellite/Sensor:MultiSpectral Instrument (MSI) on European Space Agency's (ESA) Copernicus Sentinel-2A/2B satellites Resolution:3 metersCredits:NASA Disasters Program, Includes copyrighted material of Planet Labs PBC. All rights reserved.Esri REST Endpoint:See URL section on right side of page
Service Item Id: a0314003d7cf4f09b3dd2049cc31fc6e
Copyright Text: NASA Disasters Program, Includes copyrighted material of Planet Labs PBC. All rights reserved.
Spatial Reference:
32618
(32618)
LatestVCSWkid(0)
Single Fused Map Cache: false
Initial Extent:
XMin: 189137.3489014193
YMin: 2000156.5653008984
XMax: 194160.1319231368
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Spatial Reference: 32618
(32618)
LatestVCSWkid(0)
Full Extent:
XMin: 138798.10869053064
YMin: 1873443.0
XMax: 402177.10869053064
YMax: 2057055.0
Spatial Reference: 32618
(32618)
LatestVCSWkid(0)
Units: esriMeters
Supported Image Format Types: PNG32,PNG24,PNG,JPG,DIB,TIFF,EMF,PS,PDF,GIF,SVG,SVGZ,BMP
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Keywords: Hurricane Melissa,Hurricane,Flood,Flooding,Jamaica,NASA,NASA Disasters Program,NASA Disasters Response Coordination System,Planet,True Color,NDVI,bNDVI
AntialiasingMode: Fast
TextAntialiasingMode: Force
Supports Dynamic Layers: true
Resampling: false
MaxRecordCount: 2000
MaxSelectionCount: 2000
MaxImageHeight: 4096
MaxImageWidth: 4096
Supported Query Formats: JSON, geoJSON, PBF
Supports Query Data Elements: true
Min Scale: 0
Max Scale: 0
Supports Datum Transformation: true
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