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Abstracts
SEARCH Open Science Meeting
October 27, 2003
Seattle, Washington, USA
DOE-ARM Science at the North Slope of Alaska Site
Johannes Verlinde1, Jerry Harrington2, Eugene Clothiaux3, Scott Richardson4, Chad Bahrmann5, Bernie Zak6
1Meteorology, Pennsylvania State University, 502 Walker Building, University Park, PA, 16802, USA, Phone 814-863-9711, Fax 814-865-3663, verlinde@essc.psu.edu
2Meteorology, Pennsylvania State University, 502 Walker Building, University Park, PA, 16802, USA, Phone 814-863-1564, Fax 814-865-3663, harring@mail.meteo.psu.edu
3Meteorology, Pennsylvania State University, 502 Walker Building, University Park, PA, 16802, USA, Phone 814-865-2915, Fax 814-865-3663, cloth@essc.psu.edu
4Meteorology, Pennsylvania State University, 502 Walker Building, University Park, PA, 16802, USA, Phone 814-863-1038, Fax 814-865-3663, srichardson@psu.edu
5Meteorology, Pennsylvania State University, 502 Walker Building, University Park, PA, 16802, USA, Phone 814-865-9500, Fax 814-865-3663, cbahrmann@psu.edu
6Environmental Characterization and Monitoring Systems Dept., Sandia National Laboratory , Mail Stop 0755 PO Box 5800, Albuquerque, NM, 87185-0755, USA, Phone 505-845-8631, Fax 505-844-0116, bdzak@sandia.gov
With the data base of measurements from the DOE-ARM NSA/AAO expanding, this high quality, now 5 year long, data stream is increasing being used by ARM science community to study questions related to Arctic climate. The primary focus of the ARM community is on clouds and the processes impacting them. We will show results from ARM studies documenting abrupt changes in (liquid) cloud properties in the late spring; difficulties of the operational models (NCAP, ECMWF) to accurately represent low-level cloud properties; and statistical studies relating synoptic conditions to cloud field properties.
The DOE-ARM program will conduct a focused field campaign in October 2003 to investigate several questions related to mixed-phase clouds in the Arctic. The primary objectives for the Mixed-Phase Arctic Clouds Experiment (M-PACE) will be to increase our understanding of these clouds, common in the arctic, and to develop retrieval algorithms for mixed phase clouds. Secondary objectives are related to radiative transfer processes and how we can model those.
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