. Collected reprints / Atlantic Oceanographic and Meteorological Laboratories [and] Pacific Oceanographic Laboratories. Oceanography Infrared Detection 22-17 1000 u < < U © C Z < 900 — 800 —. 600 — 500 600 700 800 900 1000 -2 -1 -1 BAND 2 (, ), SPECTRAL RADIANCE (|iW-cni -sr -im Figure Spectral radiance at urn for various ocean temperatures (after Anding and Kauth, 1970). Data Averaging Techniques Some of the early experimental data have shown much detailed structure in the temperature pattern; this was believed to result from sensor nois
. Collected reprints / Atlantic Oceanographic and Meteorological Laboratories [and] Pacific Oceanographic Laboratories. Oceanography Infrared Detection 22-17 1000 u < < U © C Z < 900 — 800 —. 600 — 500 600 700 800 900 1000 -2 -1 -1 BAND 2 (, ), SPECTRAL RADIANCE (|iW-cni -sr -im Figure Spectral radiance at urn for various ocean temperatures (after Anding and Kauth, 1970). Data Averaging Techniques Some of the early experimental data have shown much detailed structure in the temperature pattern; this was believed to result from sensor Some examples of this fine scale structure are shown in () and (). In an attempt to remove this noise, Curtis and Rao (1969) have averaged NIMBUS II HRIR data over one-half degree latitude/longitude rectangles. Beginning with the data shown in (), Curtis and Rao (1969) have applied an averaging technique and arrived at the smoothed temperature field shown in (). The Gulf Stream boundary is preserved in the smoothed analysis as is the strong gradient between the cold, cloudy region and the warm Gulf Stream. The influence of clouds is not removed by simple data averaging, although sensor noise is suppressed. Others have also used simple averaging techniques. fE. J. Williamson (unpublished manuscript, 1968) has shown from NIMBUS II HRIR housing scan data that the noise- equivalent temperature is about 2°K (at 280-300°K) (cited by Curtis and Rao, 1969). 929. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Atlantic Oceanographic and Meteorological Laboratories; Pacific Oceanographic Laboratories; United States. Environmental Science Services Administration. Research Laboratories; Environmental Research Laboratories (U. S. ). Washington, D. C. : U. S. Dept. of Commerce, Environm
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