Computer Science – Sound
Scientific paper
Nov 1994
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994georl..21.2495r&link_type=abstract
Geophysical Research Letters (ISSN 0094-8276), vol. 21, no. 23, p. 2495-2498
Computer Science
Sound
8
Annual Variations, Atmospheric Moisture, Earth Atmosphere, Meteorology, Polar Regions, Precipitation (Meteorology), Satellite Sounding, Transport Properties, Water Vapor, Altimetry, Atmospheric Effects, Greenland, Humidity, Meteorological Satellites, Radiosondes, Time Series Analysis
Scientific paper
Eight radiosonde stations surrounding Greenland at an average separation of 750 km are used to compute the atmospheric moisture budget. Radiosonde data were available from 1963-89, but were not used for 1963-79 due to insufficient data coverage which likely resulted in a major underestimation of large moisture inflow events. There is a mean annual inflow of moisture to the atmospheric volume over Greenland through its southeast and southwest sectors, and outlfow to the northeast. Moisture convergences, equivalent to precipation minus evaporation, yield an areal average of 32 cm/yr of water equivalent; they also show higher inter- and intra-annual agreement with earlier modeled precipitation estimates found by the authors and serve as further confirmation of their modeling results. The time-averaged eddy component accounts for 90% of the total moisture convergence, reflecting the dominant contribtion of precipation from synoptic-scale cyclones.
Bromwich David H.
Robasky Frank M.
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