Landsat 5 TM Collection 1 Tier 1 Annual NDWI Composite

LANDSAT/LT05/C01/T1_ANNUAL_NDWI
Dataset Provider
Google
Earth Engine Snippet
ee.ImageCollection("LANDSAT/LT05/C01/T1_ANNUAL_NDWI")
Tags
ndwi

Description

These Landsat 5 TM Collection 1 Tier 1 composites are made from Tier 1 orthorectified scenes, using the computed top-of-atmosphere (TOA) reflectance. See Chander et al. (2009) for details on the TOA computation.

The Normalized Difference Water Index (NDWI) is sensitive to changes in liquid water content of vegetation canopies. It is derived from the Near-IR band and a second IR band, ≈1.24μm when available and the nearest available IR band otherwise. It ranges in value from -1.0 to 1.0. See Gao (1996) for details.

These composites are created from all the scenes in each annual period beginning from the first day of the year and continuing to the last day of the year. All the images from each year are included in the composite, with the most recent pixel as the composite value.

Explore in Earth Engine

var dataset = ee.ImageCollection('LANDSAT/LT05/C01/T1_ANNUAL_NDWI')
                  .filterDate('2011-01-01', '2011-12-31');
var colorized = dataset.select('NDWI');
var colorizedVis = {
  min: 0.0,
  max: 1.0,
  palette: ['0000ff', '00ffff', 'ffff00', 'ff0000', 'ffffff'],
};
Map.setCenter(6.746, 46.529, 6);
Map.addLayer(colorized, colorizedVis, 'Colorized');