National Geospatial Advisory Committee Meeting April 1-2, 2014 Tim Newman Program Coordinator Land Remote Sensing Program U.S. Geological Survey Landsat.

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Presentation transcript:

National Geospatial Advisory Committee Meeting April 1-2, 2014 Tim Newman Program Coordinator Land Remote Sensing Program U.S. Geological Survey Landsat 8 Land-use change as seen along the Sesan River, Cambodia and Vietnam 1989 – 2014

Operational Status Landsat 8 Collecting approximately 550 new scenes per day; supports 8-day revisit cycle USGS currently evaluating feasibility of increasing daily collection rate Improvements: better signal-to-noise, new bands (coastal blue, cirrus, thermal) Better resolution of snow and ice-covered regions Detection of water-column constituents Better cloud screening More precise temperature measurements Landsat 7 Collecting over 400 new scenes per day; about 22% of pixels missing per scene (faulty scan-line corrector) L7 collection strategy modified to concentrate on continental coverage Sufficient fuel for a few more years of operation; limited subsystem redundancy Landsat-based Information Products Standard orthorectified L1T calibrated radiance Landsat scenes LandsatLook (full-resolution JPEGs browse/print images) New TM/ETM+ surface reflectance Climate Data Record (CDR) products currently available New TM/ETM+ surface temperature CDR products under development; will soon be available for evaluation New OLI surface reflectance CDR in development New OLI surface temperature CDR in development Surface Water Extent, Burned Area Extent Essential Climate Variable (ECV) products available soon for evaluation Snow-covered area ECV due late next year NGAC Satellite Update – Slide 2

2014 Guidance for Landsat Advisory Group (LAG) Review and update 2012 paper, “The Value Proposition for Ten Landsat Applications”: Update and/or add examples Refine and expand the list of user applications, within and beyond government agencies Enhance the Landsat value summary USGS to supply recent information from Landsat user case studies, a user-community survey, and a pilot project on remote sensing user requirements