United States Geological Survey YearbookU.S. Geological Survey, 1982 - Geology |
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Page 36
... Landsat Digital Data Landsat digital data can be used to in- directly estimate water withdrawal from ir- rigated cropland acreage . The High Plains aquifer , covering parts of eight States , sup- plies water for one - quarter of the ...
... Landsat Digital Data Landsat digital data can be used to in- directly estimate water withdrawal from ir- rigated cropland acreage . The High Plains aquifer , covering parts of eight States , sup- plies water for one - quarter of the ...
Page 37
... Landsat scenes were selected for analysis using knowledge of sites mapped in the field along with computer clustering techniques to establish spectral classes for the land classification . Results were validated with field ...
... Landsat scenes were selected for analysis using knowledge of sites mapped in the field along with computer clustering techniques to establish spectral classes for the land classification . Results were validated with field ...
Page 48
... Landsat data by making measure- ments in the 10 wavelength channels shown in figure 3. Landsat 1 , 2 , and 3 recorded reflectance in four channels located between 0.5 and 1.1 micrometers . The wavelength region between 2.0 and 2.5 ...
... Landsat data by making measure- ments in the 10 wavelength channels shown in figure 3. Landsat 1 , 2 , and 3 recorded reflectance in four channels located between 0.5 and 1.1 micrometers . The wavelength region between 2.0 and 2.5 ...
Page 69
... Landsat image , which is a false - color composite ob- tained on February 11 , 1977 , shows the extent of the flood plain in the Apalachicola River basin , Florida . The dark color of the flood plain is caused by the low reflectance ...
... Landsat image , which is a false - color composite ob- tained on February 11 , 1977 , shows the extent of the flood plain in the Apalachicola River basin , Florida . The dark color of the flood plain is caused by the low reflectance ...
Page 81
... Landsat multispectral scanner data and digital eleva- tion model data . Digital terrain information was utilized to improve the overall repre- sentativeness and accuracy of the final classification . The results of this modeling ...
... Landsat multispectral scanner data and digital eleva- tion model data . Digital terrain information was utilized to improve the overall repre- sentativeness and accuracy of the final classification . The results of this modeling ...
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activities Administration Alaska analysis Assistant Basin Board Bureau California cartographic City City of w coal Colorado Commission contamination Cooperative Coordination data base Denver Department of Public digital cartographic data earth science earthquake Energy Environmental eruption evaluation Federal agencies Federal Bldg feet fiscal year 1984 Flood Control Floridan aquifer flow Franciscan assemblage geologic maps Geologist geophysical ground water ground-water hazards hydrologic Information Systems investigations Irrigation Island Lake land Landsat Long Valley Caldera major Mammoth Lakes Management Menlo Park ment miles million mineral resources National Center National Mapping Division Office oil and gas percent petroleum photographs Planning potential Puerto Rico quadrangle Regional remote sensing Reston River rocks scientific scientists sediment seismic selenium Service sources square miles STOP studies surface Survey's techniques tion U.S. Geological Survey Valley Volcano Water Conservation District Water District Water Resources Division zone