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RISConvergence and Disposal of Energy and Moisture on the Antarctic Polar Cap from ECMWF Reanalyses and Forecasts
Publisher: American Meteorological Society
Abstract: Diagnostics of energy and moisture transport and disposal over the Antarctic polar cap (70°S to the pole) and ice sheet are extracted from the European Centre for Medium-Range Weather Forecasts (ECMWF) reanalysis archive ...
ECMWF Analyses and Predictions of the Surface Climate of Greenland and Antarctica
Publisher: American Meteorological Society
Abstract: Major weather forecast centers produce physically based large-scale climate analyses and predictions that can be used as proxies for missing observations and thus as full-coverage climatologies. Because of this, a global ...
Free and Laterally Nudged Antarctic Climate of an Atmospheric General Circulation Model
Publisher: American Meteorological Society
Abstract: Because many of the synoptic cyclones south of the 60°S parallel originate from 60°S and lower latitudes, nudging an atmospheric general circulation model (AGCM) with meteorological analyses at the periphery of the Antarctic ...
Variability and Trends of the Summer Melt Period of Antarctic Ice Margins since 1980 from Microwave Sensors
Publisher: American Meteorological Society
Abstract: The density and range of observations made by meteorological stations is insufficient to fully characterize decadal climate variability in Antarctica. Satellite-borne instruments, which offer a high spatial and temporal ...
Parameterization of Eddy Sensible Heat Transports in a Zonally Averaged Dynamic Model of the Atmosphere
Publisher: American Meteorological Society
Abstract: A Charney?Branscome based parameterization has been tested as a way of representing the eddy sensible heat transports missing in a zonally averaged dynamic model (ZADM) of the atmosphere. The ZADM used is a zonally averaged ...
Influence of Oceanic Boundary Conditions in Simulations of Antarctic Climate and Surface Mass Balance Change during the Coming Century
Publisher: American Meteorological Society
Abstract: This article reports on high-resolution (60 km) atmospheric general circulation model simulations of the Antarctic climate for the periods 1981?2000 and 2081?2100. The analysis focuses on the surface mass balance change, ...
Atmospheric Temperature Measurement Biases on the Antarctic Plateau
Publisher: American Meteorological Society
Abstract: bservations of atmospheric temperature made on the Antarctic Plateau with thermistors housed in naturally (wind) ventilated radiation shields are shown to be significantly warm biased by solar radiation. High incoming solar ...
Evaluation of the FlowCapt Acoustic Sensor for the Aeolian Transport of Snow
Publisher: American Meteorological Society
Abstract: lowCapt acoustic sensors, designed for measuring the aeolian transport of snow fluxes, are compared to the snow particle counter S7optical sensor, considered herein as the reference. They were compared in the French Alps ...
Regime Transitions in Near-Surface Temperature Inversions: A Conceptual Model
Publisher: American Meteorological Society
Abstract: AbstractA conceptual model is used in combination with observational analysis to understand regime transitions of near-surface temperature inversions at night as well as in Arctic conditions. The model combines a surface ...
The Concordiasi Project in Antarctica
Publisher: American Meteorological Society
Abstract: The Concordiasi project is making innovative observations of the atmosphere above Antarctica. The most important goals of the Concordiasi are as follows: To enhance the accuracy of weather prediction and climate records ...