Surface-based inversions above central Greenland

被引:31
|
作者
Miller, N. B. [1 ]
Turner, D. D. [2 ]
Bennartz, R. [3 ]
Shupe, M. D. [4 ,5 ]
Kulie, M. S. [1 ]
Cadeddu, M. P. [6 ]
Walden, Von P. [7 ]
机构
[1] Univ Wisconsin, Ctr Space Sci & Engn, Madison, WI 53706 USA
[2] NOAA, Natl Severe Storms Lab, Norman, OK 73069 USA
[3] Univ Wisconsin, Dept Atmospher & Ocean Sci, Madison, WI 53706 USA
[4] Univ Colorado, Cooperat Inst Res Environm Sci, Boulder, CO 80309 USA
[5] NOAA, Boulder, CO USA
[6] Argonne Natl Lab, Doe Lemont, IL USA
[7] Univ Idaho, Dept Geog, Moscow, ID 83843 USA
基金
美国国家科学基金会;
关键词
LIQUID WATER PATH; MICROWAVE RADIOMETERS; TEMPERATURE; ACCURACY; MODEL;
D O I
10.1029/2012JD018867
中图分类号
P4 [大气科学(气象学)];
学科分类号
0706 ; 070601 ;
摘要
Surface-based temperature inversions (SBIs) are studied at Summit Station in central Greenland during the period spanning July 2010 to May 2012. The frequency and intensity of SBI are examined using microwave radiometer (MWR) temperature retrievals, radiosonde profiles, and near-surface meteorological data. Using the MWRs' high temporal resolution, the diurnal, monthly, and annual cycles are investigated. Monthly mean values in SBI occurrence and intensity show that surface-based inversions are prevalent in the winter with decreasing values in the summer months. A case study on 20 February 2011 suggests that factors other than solar elevation angle influence the intensity of surface-based inversions. An increase in liquid water path corresponds to a decrease in SBI intensity, suggesting that liquid-bearing clouds, especially within the lowest 1 km, are associated with weaker surface-based inversions. Citation: Miller, N. B., D. D. Turner, R. Bennartz, M. D. Shupe, M. S. Kulie, M. P. Cadeddu, and V. P. Walden (2013), Surface-based inversions above central Greenland, J. Geophys. Res. Atmos., 118, 495-506, doi:10.1029/2012JD018867.
引用
收藏
页码:495 / 506
页数:12
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