Earth Resources Aircraft Program Status Review

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Annual Earth Resources Program Review

Author : Earth Resources Program
Publisher : Unknown
Page : 128 pages
File Size : 54,9 Mb
Release : 1972
Category : Aerial photogrammetry
ISBN : UOM:39015024220959

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Annual Earth Resources Program Review by Earth Resources Program Pdf

Earth Resources Program Review

Author : United States. National Aeronautics and Space Administration
Publisher : Unknown
Page : 636 pages
File Size : 52,7 Mb
Release : 1972
Category : Electronic
ISBN : STANFORD:36105110734345

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Earth Resources Program Review by United States. National Aeronautics and Space Administration Pdf

4th Annual Earth Resources Program Review

Author : Earth Resources Program
Publisher : Unknown
Page : 994 pages
File Size : 52,5 Mb
Release : 1972
Category : Conservation of natural resources
ISBN : MINN:31951P00563479A

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4th Annual Earth Resources Program Review by Earth Resources Program Pdf

Geophysical Abstracts ...

Author : Anonim
Publisher : Unknown
Page : 820 pages
File Size : 44,6 Mb
Release : 1970-07
Category : Geophysics
ISBN : RUTGERS:39030023367578

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Geophysical Abstracts ... by Anonim Pdf

The ERTS-1 Investigation (ER-600)

Author : R. Bryan Erb,Lyndon B. Johnson Space Center
Publisher : Unknown
Page : 122 pages
File Size : 45,8 Mb
Release : 1974
Category : Aerial photography in agriculture
ISBN : UIUC:30112060268510

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The ERTS-1 Investigation (ER-600) by R. Bryan Erb,Lyndon B. Johnson Space Center Pdf

The Agriculture Analysis Team of the Johnson Space Center conducted a 1-year-long investigation of ERTS-1 multispectral data to evaluate how well features of agricultural importance could be detected, identified, and located; and their areal extent measured. Six study areas were selected in cooperation with the U.S. Department of Agriculture. Two basic analytical approaches were used to meet the objectives. The conventional image interpretation technique revealed that a particular color was an indication of the density of vegetative cover, not an indication of crop classification. Computer-aided techniques were used to classify crop types (i.e., small grains, truck farm crops, grasses, summer fallow) to accuracies as high as 95 percent on large (12 hectares or more) well-defined fields. A further breakdown into crop species (wheat, barley, soybeans, oats, corn) reduced the accuracy to 70 to 80 percent for single-date observations.

Geographic Research in the U.S. Geological Survey

Author : Mary E. Graziani
Publisher : Unknown
Page : 68 pages
File Size : 46,7 Mb
Release : 1982
Category : Geography
ISBN : MSU:31293022206456

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Geographic Research in the U.S. Geological Survey by Mary E. Graziani Pdf

Geological Survey Circular

Author : Anonim
Publisher : Unknown
Page : 396 pages
File Size : 49,6 Mb
Release : 1982
Category : Geology
ISBN : MINN:31951D003285761

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Geological Survey Circular by Anonim Pdf