20260522 16212400 1.0 TRUE 150000000 5000 ItemDescription True Color and Color Infrared (Satellogic) over Selected Areas for the California Fires May 2026. <div style='text-align:Left;'><div><div><p><span style='font-weight:bold;'>Date(s) of Images:</span></p><p><span>Post-Event: 5/21/2026</span></p><p><span style='font-weight:bold;'>Summary:</span></p><p><span>Satellogic’s operates a commercial constellation of satellites and sensors that offers 4 band (R,G, B and NIR) acquisitions.</span></p><p><span>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.</span></p><p><span style='font-weight:bold;'>Suggested Use:</span></p><p><span>NDVI: Dark green colors are areas with a lot of green leaf growth which indicates the presence of chlorophyll. Chlorophyll reflects more infrared light and less visible light. Areas with some green leaf growth are in light greens, and areas with little to no vegetation growth are even lighter greens.</span></p><p><span>NDVI change: Commonly used to distinguish healthy/active vegetation (positive values) from potentially unhealthy/impacted vegetation (negative values).</span></p><p><span style='font-weight:bold;'>Resolution:</span></p><p><span>0.5 m to 1 m depending on generation of sensor used and viewing angle.</span></p><p><span style='font-weight:bold;'>Credits:</span></p><p><span>NASA Disasters Program, Satellogic. For derived products: “Includes copyrighted material of Satellogic. All rights reserved.” This work utilized data made available through the NASA Commercial Satellite Data Acquisition (CSDA) program."</span></p></div></div></div> NASA Disasters Program, Satellogic. For derived products: “Includes copyrighted material of Satellogic. All rights reserved.” This work utilized data made available through the NASA Commercial Satellite Data Acquisition (CSDA) program." Satellogic US California CA Fire True Color Color Infrared NDVI <div style='text-align:Left;'><div><div><p><span>NASA data and products are freely available to federal, state, public, non-profit and commercial users. This information can be experimental- or research-grade data products and may not be appropriate for operational use. These NASA data products, services, and the Disasters Mapping Portal are intended to aid decision makers and enhance situational awareness, but these data are not guaranteed to be consistently available or routinely updated. Use of this product should include: "Includes copyrighted material of Satellogic. All rights reserved."</span></p><p><span /></p></div></div></div> 202609_satellogic_ndvi 20260522