Remote Sensing with Special Reference to Agriculture and Forestry
National Academies, Jan 1, 1970 - Agriculture - 424 pages
USES, potentialites, and needs in agriculture and forestry. Imaging with photographic sensors. Imagin with nonphotographi sensors. Applications of remote sensing in agriculture and forestry. Physical and physiological properties. Soil, water, and plant relations. Field spectroscopy. Sampling and statistical problems. Research needs: the influence of discrimination, data processing, and system desing.
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absorption acreage aerial photographs aerial photos agricultural airborne aircraft alfalfa altitude angle antenna aperture atmospheric blackbody cal cm"2 min"1 camera Chapter characteristics chlorophyll color film cotton crop curves density detection detector determined developed discrimination E-3 process effects Ektachrome electromagnetic spectrum Equation estimate factors farm field of view filter forest ground imagery indicated instrument irradiance Kodak leaf temperature leaves livestock measurements mesophyll microwave moisture moisture stress object obtained optical percent photo interpretation plant Plate plots polarization processing produced radar radiation range Rayleigh scattering region remote sensing resolution salinity sampling units scanner scanning scattering scene sensitivity sensors shown in Figure shows signal signatures simple random sampling soil soil salinity solar soybeans spatial spectral radiance spectral reflectance spectrometer spectrophotometer spectrum surface survey target techniques thermal tion transmitted transparencies trees ultraviolet University vegetation visible visible spectrum wavelength wavelength bands wheat yield