Physics
Scientific paper
Jul 2001
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001georl..28.2609l&link_type=abstract
Geophysical Research Letters, Volume 28, Issue 13, p. 2609-2612
Physics
12
Atmospheric Composition And Structure: Cloud Physics And Chemistry, Meteorology And Atmospheric Dynamics: Mesoscale Meteorology, Meteorology And Atmospheric Dynamics: Precipitation, Meteorology And Atmospheric Dynamics: Radiative Processes
Scientific paper
What causes altocumulus clouds to decay? To address this question, the authors examine an observational case study of a mid-level cloud that was measured during the Complex Layered Cloud Experiments (CLEX). The budget of liquid water reveals that the cloud was not dissipated by fallout of precipitation. Rather, the largest contributor to decay of liquid water was subsidence drying. The strong link between subsidence and cloud lifetime is an important difference between altocumuli and boundary layer clouds. The net effect of radiative transfer on our cloud is unclear: liquid water was directly increased by radiative cooling, but this was offset by radiatively induced entrainment drying.
Fleishauer Robert P.
Kankiewicz Adam J.
Larson Vincent E.
Reinke Donald L.
Vonder Haar Thomas H.
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