THIS NASA PROPOSAL REQUEST IS TO REPROCESS AND CONTINUE THE PRODUCT GENERATION OF: (I) MONTHLY AND ANNUAL 30 M GLOBAL WELD PRODUCTS FOR SIX 3-YEAR EPOCHS CENTERED ON 1985 1990 1995 2000 2005 AND 2010 (USING THE NEW COLLECTION 1 LANDSAT DATA AS INPUTS) (II) WEEKLY MONTHLY SEASONAL AND ANNUAL 30 M CONUS WELD PRODUCTS FROM 1982 TO 2012 (USING THE NEW COLLECTION 1 CONUS ARD AS INPUTS) (III) ANNUAL 30 M PERCENT LAND COVER AND 5-YEAR LAND COVER CHANGE PRODUCTS FOR THE CONUS 1985 TO 2010 (USING THE DATA FROM (II) AS INPUTS). THE PRODUCTS WILL BE GENERATED IN REVERSE CHRONOLOGICAL ORDER TO TAKE ADVANTAGE OF THE GROWING U.S. LANDSAT ARCHIVE AS DATA CONTINUE TO BE REPATRIATED FROM INTERNATIONAL RECEIVING STATIONS. THE PRODUCTS WILL CONTINUE TO BE DISTRIBUTED IN HDF IN GEOTIFF AND WITH NATIVE RESOLUTION BROWSES VIA THE NASA GLOBAL IMAGE BROWSE SERVICE.