Abstract
I. INTRODUCTION Accurate determination of the distribution of atmospheric water vapor is of major importance for improving our understanding of its role and variability in global meteorological and climatological processes as well as in space altimetry studies - e.g.TOPEX-POSEIDON programme -. An assessment of the accuracy of atmospheric water vapor retrieved from satellites, through comparisons with radiosonde measurements and ECMWF (European Center for Medium Range Weather Forecasts) analyses, has been performed. Two different types of satellite observations have been investigated : - observations from the TIROS-N Vertical Operational Sounder (TOVS) aboard the NOAA satellites; - observations from the SSM/I (Special Sensor Microwave/Imager) instrument aboard the DMSP satellites.
© 1993 Optical Society of America
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