. Collected reprints / Atlantic Oceanographic and Meteorological Laboratories [and] Pacific Oceanographic Laboratories. Oceanography HRIR. space space 'earth radiation \- - HOUSING- SPACE I I EARTH RADIATION >sJ fcl/^««r Jill t I I I I I I I u•>s^'"lo,•, I I I I4h53™0t**" Figure Portion of an HRIR analog record of NIMBUS I. In the example, the mirror made two complete revolutions, scanning the effective radiation temperature of space and the radiometer housing as well as the earth. The space and radiometer housing data are useful in positioning the satellite
. Collected reprints / Atlantic Oceanographic and Meteorological Laboratories [and] Pacific Oceanographic Laboratories. Oceanography HRIR. space space 'earth radiation \- - HOUSING- SPACE I I EARTH RADIATION >sJ fcl/^««r Jill t I I I I I I I u•>s^'"lo,•, I I I I4h53™0t**" Figure Portion of an HRIR analog record of NIMBUS I. In the example, the mirror made two complete revolutions, scanning the effective radiation temperature of space and the radiometer housing as well as the earth. The space and radiometer housing data are useful in positioning the satellite and calibrating the radiometer (after LaViolette and Chabot, 1968). An example of sea surface temperature mapping, in (), is from a computer automated technique for global monitoring of sea surface temperature (Leese, 1971b) being developed at the National Environmental Satellite Service, NOAA. The two left polar projections show mean temperatures on a grey scale from 270-304 °K. The two right polar projections indicate the number of days which have elapsed since new satellite data have been added to the mean temperature value for each location. The grey scale for the two right projections ranges from (a) greater than 5 days (light grey); (b) 2-5 days (medium grey); (c) 1 day (black). Complete coverage from each satellite orbit is not possible because the computer program has certain rejection criteria when the effect of clouds is present in the data. A description of the experimental model for obtaining these temperature maps from ITOS-I is given by Leese, et al., (1971a). In () there are numerous grey areas which indicate no satellite coverage was possible for more than 5 days due to clouds. This difficulty of cloud contamination of the data should improve as the very high resolution IR sensors are added in the NOAA satellite series and n mi radar resolution is obtained with these sensors. 915. Please note that these images are extracted from scanned pa
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