Parameterization Experiment on the Effect of Temperature on Snow Albedo and Snow Depth

Pakistan Journal of Meteorology

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Field Value
 
Title Parameterization Experiment on the Effect of Temperature on Snow Albedo and Snow Depth
 
Creator Ahmad, B.
Haider, S.
 
Subject Snow albedo, Snow depth, Parameterization, PLASIM
 
Description Dependence of snow albedo on temperature and its effect on surface temperature and snow depth has been investigated in this paper. A Global Circulation Model (PLASIM) has been simulated two times – once for a control run (without changing the dependence of snow albedo on temperature) and then for a modified run (with changes done in the dependence of snow albedo on temperature) on T21 grid resolution for a period of 20 years (1992-2011). Results reveal that the surface albedo, surface temperature and snow depth are all dependent upon each other. A negative incline in snow albedo is observed in the northern part of China where it goes below -0.04 in case of modified run. A positive incline of 0.04 and 0.04 - 0.05 has also been observed over the Himalayas and Tibetan plateau respectively for modified run. The modified run is colder than the control run (difference of -1.5 K) for the latitudes 60°N90°N and North-west Canada. Snow depth has significantly changed in the Greenland where it has been increased to a limit of 0.6 meters in the southwest and decreased to 0.2 meters in the northeast for modified run.
 
Publisher Pakistan Journal of Meteorology
 
Contributor Pakistan Meteorological Department, Pakistan
 
Date 2015-01-20
 
Type info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
Peer-reviewed Article
 
Format
 
Identifier http://pjm.pmd.gov.pk/index.php/pjm/article/view/72
 
Source Pakistan Journal of Meteorology; Vol 11, No 22 (2015)
2517-9322
1810-397
 
Language eng
 
Relation http://pjm.pmd.gov.pk/index.php/pjm/article/view/72/29
 
Rights Copyright (c) 2017 Pakistan Journal of Meteorology
 

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