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Google Earth Engine ——GIMMS NDVI是由NOAA的几个AVHRR传感器为全球1/12度的纬度/龙格生成的数据集

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).

GIMMS NDVI是由NOAA的几个AVHRR传感器为全球1/12度的纬度/网格生成的。最新版本的GIMMS NDVI数据集被命名为NDVI3g(第三代GIMMS NDVI来自AVHRR传感器)。

Dataset Availability

1981-07-01T00:00:00 - 2013-12-31T00:00:00

Dataset Provider

​​NASA/NOAA​​

Collection Snippet

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

使用说明:

MODIS data and products acquired through the LP DAAC have no restrictions on subsequent use, sale, or redistribution.

Resolution

9277 meters

Bands Table

Name Description Min Max
ndvi NDVI -1 1
qa QA flag
qa Bitmask
  • 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

引用:

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.

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');