nitiestodevelopa30-meterspatialdatabase(已修改)
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【正文】 OPPORTUNITIES TO DEVELOP A 30METER SPATIAL DATABASE FOR THE USA JOINT MEETING OF THE MIDWEST FOREST MENSURATIONISTS AND THE ANNUAL FIA SCIENCE SYMPOSIUM Ray Czaplewski Forest Inventory and Analysis Program Fort Collins, CO 2 FIA?s Technical Vision for Remote Sensing 1992 1997 1998 1999 2020 2020 1995 1. Chronology 2. Implementation 3 First Blue Ribbon Panel on FIA ? “FIA (should) implement … remote sensing to acplish inventory in a more costeffective and efficient manner。 … ” 1992 FIA should … have a preeminent position in all federal efforts to inventory and monitor fore resourceconditio s at the regional and national levels.39。? 4 MRLC 1992 Data Buy ? USGS builds a consortium of federal programs to acquire standardized Landsat5 imagery for the USA 1992 MMultiResolution Land Characterization (MRLC) consortium ?UUSGS, EPA, NOAA, BLM, NASA, NPS, USDA, Forest Service 5 National Land Cover Data 1992 ? USGS EROS Data Center begins first successful effort to map the forest and land cover of the USA with Landsat satellite data from MRLC 1992 1992 2020 1995 6 National Land Cover Data 1992 ? 14 categories for other types of land cover ? 2 water classes ? 3 barren classes ? 3 urban classes ? 5 agricultural classes ? 1 other wetland class ? Forested Upland – Deciduous Forest – Evergreen Forest – Mixed Forest ? Woody Wetlands ? Nonnative Woody ? Shrubland ? Grasslands 1992 2020 1995 7 MRLC v. NLCD ? MRLC: MultiResolution Land Characterization – Consortium to buy Landsat data and postprocess into standardized national imagery ? NLCD: National Land Cover Data – Consortium to produce national land cover map using standardized MRLC imagery 1992 2020 1995 8 MRLC 1992 amp。 NLCD 1992 Forest Service joins MRLC 1992 to buy Landsat data 1992 2020 1995 FIA data from periodic surveys too outofdate in many States to use as training data for Landsat classifications. FIA does not join NLCD 1992 9 Office of Science and Technology Policy ? “Increased availability and affordability of remotely sensed data requires improved collaboration and munication between agencies and programs …” 1992 1997 1995 10 Second Blue Ribbon Panel on FIA ? Panel reemphasizes that “FIA should … have a preeminent position in all federal efforts to inventory and monitor forest resource conditions at the regional and national levels.” 1992 1997 1998 1995 ?FIA should “(i)mprove … efficiency … through cooperation with age cies which hav the remote sensing expertise not available withi the FIA anization.” 11 1998 Farm Bil
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