Landsat 8 Collection 1 Tier 1 Annual TOA Reflectance Composite

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These Landsat 8 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.

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.

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var dataset = ee.ImageCollection('LANDSAT/LC08/C01/T1_ANNUAL_TOA')
                  .filterDate('2017-01-01', '2017-12-31');
var trueColor =['B4', 'B3', 'B2']);
var trueColorVis = {
  min: 0,
  max: 0.4,
  gamma: 1.2,
Map.setCenter(6.746, 46.529, 6);
Map.addLayer(trueColor, trueColorVis, 'True Color (432)');