Field test of spectral line intensity parameters for tropospheric water vapor
نویسندگان
چکیده
منابع مشابه
A Miniaturized Water Vapor Profiling Radiometer for Network-based 3-D Measurements of the Tropospheric Water Vapor Field
Knowledge of the temporal and spatial distribution of water vapor and liquid water in the troposphere is fundamental for shortand medium-range prediction of precipitation and severe weather. Current measurements of these quantities in the troposphere are limited by optical extinction in clouds (lidar), in temporal resolution (radiosondes), in spatial resolution (GPS networks) and in spatial cov...
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To understand better the annual cycles of atmospheric humidity, radiosonde data were used to create climatologies of temperature, dew point, relative humidity, and precipitable water in the lower troposphere for 56 locations around the world for the period 1973-1990. On the basis of the annual ranges of relative humidity at the surface and at the 850, 700, and 500 mbar levels and the ratio of t...
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Recent progress is reviewed in the understanding of convective interaction with water vapor, and changes associated with water vapor in warmer climates. Progress includes new observing techniques (including isotopic methods) that are helping to illuminate moistureconvection interaction, better-observed humidity trends, new modeling approaches, and clearer expectations as to the hydrological con...
متن کاملTropospheric Water Vapor and Climate Sensitivity
Estimates are made of the effect of changes in tropospheric water vapor on the climate sensitivity to doubled carbon dioxide (CO2), using a coarse resolution atmospheric general circulation model coupled to a slab mixed layer ocean. The sensitivity of the model to doubled CO2 is found as the difference between the equilibrium responses for control and doubled CO2 cases. Clouds are specified to ...
متن کاملAn analysis of the regulation of tropical tropospheric water vapor
[1] We use a simple trajectory model to investigate the mechanisms that regulate midand upper-tropospheric humidity. Our model advects water passively and contains no microphysics other than the requirement that water vapor is immediately removed so as to prevent the relative humidity from ever exceeding 100%. We demonstrate that our model accurately reproduces H2O measurements made by the Atmo...
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ژورنال
عنوان ژورنال: Journal of Geophysical Research
سال: 2003
ISSN: 0148-0227
DOI: 10.1029/2002jd002985