nitiestodevelopa30-meterspatialdatabase-全文預覽
【正文】 port to the FIA mission and users of FIA data. 49 Poster Session ? A parison of stratification effectiveness between the National Land Cover Data set (NLCD 1992) and photointerpretation in western Oregon by Paul Dunham, Dale Weyermann and David Azuma (PNWFIA) ? Synergistic use of FIA plot data and Landsat 7 ETM+ images for large area forest mapping by Chengquan Huang (USGS EROS Data Center) and Andrew Lister (NEFIA) 50 。 aspect = north amp。 slope 5 ?amp。 green 45 ?amp。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。 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 Bill ? “The Secretary shall … submit to Congress a strategic plan … that shall describe in detail … the process for employing … remote sensing … , and (its) subsequent use.” 1992 1997 1998 1995 12 Rand Corporation policy analysis ? “Decentralized forest monitoring efforts greatly plicate the data delivery process.” ? “Integrat(e) … FIA … and MultiResolution Land Characterization (MRLC)” consortium. 1992 1997 1998 1999 13 “Adopting an annual inventory system: user perspectives” ? “More ambitious applications of remote sensing are … hindered by … lack of a farreaching technical vision (that) might lead to radical changes in the FIA system and yield significant improvements in information quality and costeffectiveness.” 1992 1997 1998 1999 December, 1999
教學課件相關推薦
鄂ICP備17016276號-1