Construction of New Area Sampling Frames Using Landsat Imagery

摘要: Abstract : The U.S. Department of Agriculture develops Area Sampling Frames (ASF's) for each state using a series land-use maps, and utilizes them is selecting statistical samples agricultural surveys. Recently, Landsat imagery provided up-to-date information during construction new ASF California. Multispectral Scanner false-color scenes were manually interpreted along with aerial photos, density cultivation. Finally, these boundaries digitized, forming computerized data base. Use this improved efficiency reduced sample size California (Author)