GIMMS NDVI From AVHRR Sensors (3rd Generation)

AI-generated Key Takeaways

• The NASA/GIMMS/3GV0 dataset provides Normalized Difference Vegetation Index (NDVI) data derived from NOAA's AVHRR sensors.

• It offers global coverage at a 1/12-degree spatial resolution, spanning from July 1981 to December 2013.

• This third-generation GIMMS NDVI dataset (NDVI3g) is publicly available and can be used without restrictions.

• The dataset includes NDVI and quality assurance (QA) bands, with the NDVI values ranging from -1 to 1.

• Users can access and analyze this dataset using Google Earth Engine.

Dataset Availability

1981-07-01T00:00:00Z–2013-12-16T00:00:00Z

Dataset Provider

NASA/NOAA

Earth Engine Snippet

ee.ImageCollection("NASA/GIMMS/3GV0")

Cadence

15 Days

Tags

avhrr nasa ndvi noaa vegetation vegetation-indices

gimms

Description

GIMMS NDVI is generated from several NOAA's AVHRR sensors for a global 1/12-degree lat/lon grid. The latest version of the GIMMS NDVI dataset is named NDVI3g (third generation GIMMS NDVI from AVHRR sensors).

Bands

Pixel Size
9277 meters

Bands

Name	Min	Max	Pixel Size	Description
ndvi	-1	1	meters	NDVI
qa			meters	QA flag
Bitmask for qa Bits 0-2: QA flag values 1: Good value 2: Good value 3: NDVI retrieved from spline interpolation 4: NDVI retrieved from spline interpolation, possibly snow 5: NDVI retrieved from average seasonal profile 6: NDVI retrieved from average seasonal profile, possibly snow 7: Missing data

Terms of Use

Terms of Use

This dataset is in the public domain and is available without restriction on use and distribution. See NASA's Earth Science Data & Information Policy for additional information.

Explore with Earth Engine

Important: Earth Engine is a platform for petabyte-scale scientific analysis and visualization of geospatial datasets, both for public benefit and for business and government users. Earth Engine is free to use for research, education, and nonprofit use. To get started, please register for Earth Engine access.

Code Editor (JavaScript)

var dataset = ee.ImageCollection('NASA/GIMMS/3GV0')
                  .filter(ee.Filter.date('2013-06-01', '2013-12-31'));
var ndvi = dataset.select('ndvi');
var ndviVis = {
  min: -1.0,
  max: 1.0,
  palette: ['000000', 'f5f5f5', '119701'],
};
Map.setCenter(-88.6, 26.4, 1);
Map.addLayer(ndvi, ndviVis, 'NDVI');

Open in Code Editor

GIMMS NDVI From AVHRR Sensors (3rd Generation)

GIMMS NDVI is generated from several NOAA's AVHRR sensors for a global 1/12-degree lat/lon grid. The latest version of the GIMMS NDVI dataset is named NDVI3g (third generation GIMMS NDVI from AVHRR sensors).

NASA/GIMMS/3GV0, avhrr,nasa,ndvi,noaa,vegetation,vegetation-indices

1981-07-01T00:00:00Z/2013-12-16T00:00:00Z

-90 -180 90 180

Google Earth Engine

https://developers.google.com/earth-engine/datasets