Vegetation Index Data Access and Tools

From discovery to visualization, data tools such as Worldview, Giovanni, and Application for Extracting and Exploring Analysis Ready Samples (AppEEARS) guide users in making the most of vegetation index data.

Vegetation Index Data Tools

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Tool Sort descending	Description	Services
AppEEARS	The The Application for Extracting and Exploring Analysis Ready Samples (AppEEARS) offers users a simple and efficient way to perform data access and transformation processes.	Search and Discovery, Subsetting, Customization, Downloading, Visualization
Earthdata Search	Earthdata Search enables data discovery, search, comparison, visualization, and access across NASA’s Earth science data holdings.	Search and Discovery, Access, Cataloging, Cloud Computing, Downloading
Giovanni	Giovanni is a web application for accessing, visualizing, and analyzing Earth science remote sensing data without downloading the data.	Search and Discovery, Analysis, Access, Visualization, Downloading, Subsetting
Worldview	Worldview offers the capability to interactively browse over 1,200 global, full-resolution satellite imagery layers and download the underlying data.	Analysis, Search and Discovery, Visualization, Access, Comparison, Monitoring Natural Events

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Harmonized Landsat Sentinel-2 (HLS)

Learn More About HLS

This 2024 Normalized Difference Vegetation Index (NDVI) image from the HLS project shows the degree of land use change in a region of Western Brazil. Green areas with high NDVI values indicate healthy vegetation while tan and brown areas with low NDVI values indicate soil or barren areas.

The Harmonized Landsat Sentinel-2 Project Releases Vegetation Indices

These new vegetation indices offer the same near-global coverage, and 30-meter spatial resolution as the initial HLS products.

image of HLS Sentinel-2 data over Kansas

Harmonized Landsat Sentinel-2 (HLS) Code Now Openly Available

The release of the HLS codebase gives product users greater visibility into the project’s image processing pipeline.

HLS: Two Together Better than Two Apart

The purpose of the Harmonized Landsat Sentinel-2 (HLS) project led by IMPACT, is to combine two or more data streams into a single data set and increase their value.

IMPACT project lead Rahul Ramachandran presents at the 2023 IBM Think Conference

IBM Geospatial Foundation Model Trained with HLS Data

In partnership with IBM, NASA constructed the first geospatial foundation model specifically trained with Earth observation satellite imagery.

Vegetation Index Datasets

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Dataset	Platforms	Instruments	Temporal Extent	Location Keywords	Spatial Extent	Data Format
Arctic Vegetation Plots in NPS Arctic Network Parks, Alaska, 2002-2008	FIELD INVESTIGATION, FIELD SURVEYS	SOIL MOISTURE PROBE, VISUAL OBSERVATIONS, SOIL SAMPLER	2002-07-10 to 2008-08-10		N: 68.4902 S: 65.2767 E: -150.839 W: -165.323	CSV
ASTER Global Emissivity Dataset 1 kilometer Binary	Terra	ASTER	2000-04-04 to 2008-12-31	GLOBAL	N: 90 S: -90 E: 180 W: -180	Binary
ASTER Global Emissivity Dataset 100 meter Binary	Terra	ASTER	2000-04-01 to 2008-12-31	GLOBAL	N: 90 S: -90 E: 180 W: -180	Binary
ASTER Global Emissivity Dataset, 1 kilometer, HDF5 V003	Terra	ASTER	2000-01-01 to 2008-12-31	GLOBAL	N: 90 S: -90 E: 180 W: -180	HDF5
ASTER Global Emissivity Dataset, 100 meter, HDF5 V003	Terra	ASTER	2000-01-01 to 2008-12-31	GLOBAL	N: 90 S: -90 E: 180 W: -180	HDF5
BOREAS AFM-12 1-km AVHRR Seasonal Land Cover Classification	NOAA-11	AVHRR	1992-04-01 to 1992-09-30		N: 57 S: 52 E: -96 W: -108	Binary
BOREAS Follow-On DSP-10 Regridded NDVI Maps for 1994	NOAA-11	AVHRR	1994-01-01 to 1995-01-01		N: 60 S: 48 E: -90 W: -111	BMP
CMS: Evapotranspiration and Meteorology, Water-Limited Shrublands, Mexico, 2008-2010	FIXED OBSERVATION STATIONS, METEOROLOGICAL STATIONS	SOIL HEAT FLUX TRANSDUCER, EDDY CORRELATION DEVICES, IRGA, SOIL MOISTURE PROBE, RAIN GAUGES	2008-01-01 to 2010-12-31		N: 32.0301 S: 29.741 E: -110.534 W: -116.605	CSV
CMS: Mangrove Forest Cover Extent and Change across Major River Deltas, 2000-2016	LANDSAT-5, LANDSAT-7, LANDSAT-8, Sentinel-1A, STS-99	TM, ETM+, OLI, SENTINEL-1 C-SAR, SRTM	2000-01-01 to 2016-12-31	MOZAMBIQUE, JAMAICA, GABON, EQUATORIAL, TANZANIA	N: 22.5041 S: -28.0001 E: 107.027 W: -82.0002	GeoTIFF
CO2 and CH4 Fluxes from Waterbodies, Yukon-Kuskokwim Delta, Alaska, 2016-2019	SATELLITES, FIELD SURVEYS, COMPUTERS	Sentinel-2 MSI, SENTINEL-1 C-SAR, WATER BOTTLES, Computer	2016-07-07 to 2019-07-07	ALASKA	N: 61.6781 S: 60.895 E: -162.073 W: -163.82	multiple

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Frequently Asked Questions

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