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I am looking for a website that allows me to download free LANDSAT for all of the State of New Mexico. I need them to perform my work on RUSLE and need LANDSAT for c factor. Does anyone suggest of a good website ? The one I have download is the GLCF: Earth Science Data Interface from the University of Maryland. I have some LANDSAT 2006 that covers the southern new mexico.

Anyone have a suggest? Thank you.

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There are several good sources including the following:

WELD

WELD generates 30-meter composites of Landsat 7 Enhanced Thematic Mapper Plus (ETM+) terrain corrected (Level 1T) mosaics at weekly, monthly, seasonal and annual periods for the conterminous United States (CONUS) and Alaska. These mosaics provide consistent data that can be used to derive land cover as well as geo-physical and biophysical products for regional assessment of surface dynamics and to study Earth system functioning.

Earth Explorer, a familiar USGS site.

One of my favorite sites for Landsat data. I especially like the download interface.

GloVis, yet another familiar USGS site.

If everything continues to go well, Landsat 8 will be providing providing data to the public in the near future. From the USGS:

Data products from Landsat 8 will become available approximately 100 days after launch, and will be consistent with the existing standard Level-1 (orthorectified) data products created using Landsat 1 to Landsat 7 data.

The standard Level 1 data and LandsatLook (full-resolution jpg) products will be available for download at no charge from GloVis, EarthExplorer or the LandsatLook Viewer.

Details about processing levels of Landsat data products can be found on http://landsat.usgs.gov/Landsat_Processing_Details.php.

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This post has several sources of Landsat data, most notably the USGS EarthExplorer website.

If you need anything later than autumn 2010 you'll have to wait until about mid-May when the USGS makes imagery from the LDCM publicly available.

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