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
NASA Web-Enabled Landsat Data CONUS 30m Composites over Weekly Periods V001	LANDSAT-7	ETM+	2003-01-01 to 2012-12-31	UNITED STATES OF AMERICA	N: 52 S: 23 E: -65 W: -127	HDF4
NDVI, Species Cover, and LAI, Burned and Unburned sites, Interior Alaska, 2017-2018	FIELD SURVEYS, LANDSAT-5, LANDSAT-8, LANDSAT-7	CORING DEVICES, LICOR LEAF AREA METER, MODIS	2017-08-29 to 2018-08-20	ALASKA	N: 65.962 S: 63.8176 E: -144.955 W: -149.959	CSV
PhenoCam Dataset v2.0: Digital Camera Imagery from the PhenoCam Network, 2000-2018	FIELD INVESTIGATION	CAMERA	1999-11-16 to 2018-12-31	GLOBAL	N: 71.28 S: -22.97 E: 119.22 W: -158.15	ASCII, Binary
PhenoCam Dataset v2.0: Vegetation Phenology from Digital Camera Imagery, 2000-2018	FIELD INVESTIGATION	CAMERA	1999-11-16 to 2018-12-31	GLOBAL	N: 71.28 S: -22.97 E: 119.22 W: -158.15	CSV, GeoTIFF, JSON, Text File
PhenoCam Dataset v3.0: Digital Camera Imagery from the PhenoCam Network, 2000-2023	FIELD INVESTIGATION	CAMERAS	2000-02-01 to 2023-12-31	GLOBAL	N: 71.29 S: -45.0389 E: 172.351 W: -158.171	multiple
Phenoregions For Monitoring Vegetation Responses to Climate Change	LANDSAT-7	TM	1982-01-01 to 1999-12-31		N: 90 S: -90 E: 180 W: -180	Text File
SAFARI 2000 AVHRR Daily Site (1.5 km) and 15-Day Regional (1.5- and 6-km) Imagery	NOAA-14	AVHRR	1998-07-01 to 2000-10-31		N: -7.4861 S: -35.2617 E: 43.1995 W: 8.733	Binary
SAFARI 2000 Land Cover from AVHRR, 1-Deg, 1987 (Defries and Townshend)	NOAA-9, NOAA-10, NOAA-11	AVHRR	1987-01-01 to 1987-12-31		N: 5 S: -35 E: 60 W: 5	multiple
SAFARI 2000 Land Cover from AVHRR, 1-km, 1992-1993 (Hansen et al.)	NOAA-11, NOAA-9, NOAA-10	AVHRR	1992-01-01 to 1993-12-31		N: 5 S: -35 E: 60 W: 5	Shapefile
SAFARI 2000 Modeled Fuel Load in Southern Africa, 1999-2000	NOT APPLICABLE	NOT APPLICABLE	1999-09-01 to 2000-08-31		N: 10 S: -34.9916 E: 42.4915 W: 5	Shapefile

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Frequently Asked Questions

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