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An assessment of the consistency between satellite measurements of upper tropospheric water vapor
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2016
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Source: Journal of Geophysical Research: Atmospheres, 121(6), 2874-2887
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Journal Title:Journal of Geophysical Research: Atmospheres
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Description:We assess the consistency of the satellite-based observations of upper tropospheric water vapor (UTWV) by comparing brightness temperature measurements from the channel 12 of High-Resolution Infrared Radiation Sounder (HIRS), the 183.31 ± 1 GHz channel of Advanced Microwave Sounding Unit-B (AMSU-B)/Microwave Humidity Sounder (MHS), and spectral radiances from the Atmospheric Infrared Sounder (AIRS). All three products exhibit consistent spatial and temporal patterns of interannual variability. On decadal time scales, the spatial patterns of trends are similar between all three products; however, the amplitude of theregional trends is noticeably weaker in the HIRS measurements than in either the AMSU-B/MHS or AIRS data. This presumably re flects the greater clear-sky sampling limitations of HIRS relative to the other products. However, when averaged over tropical or near-global spatial scales, the trends between all three products arestatistically indistinguishable from each other. The overall consistency between all three products provides
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Source:Journal of Geophysical Research: Atmospheres, 121(6), 2874-2887
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ISSN:2169-897X
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Rights Information:Other
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Compliance:Library
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