섬유

video digitization of aerial photographs for measurement of wind erosion damage on converted rangeland

  • 출판일1999.03
  • 저자
  • 서지사항
  • 등록일 2016.11.02
  • 조회수 230
this project developed a practical approach for measuring the area of wind erosion damage on rangeland converted to farmland. the selected study area consisted of 7,150 ha that was rangeland before 1954. a video graphics microcomputer system enhanced and digitized aerial photographs to measure the area of wind erosion or blowouts and the proportion of cotton cover crop on the selected farms. the result was that 23 percent of the total study area showed signs of wind erosion damage. (author abstract) 16 refs
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