An atmospheric emissivity parameterization scheme,two bare soil emissivity parameterization schemes and two surface roughness parameterization schemes are evaluated in a land surface model (BATS) over desert.It shows that Van's bare soil emissivity scheme and Chung's atmospheric emissivity scheme can significantly improve the simulation of surface temperature and upward longwave radiation.Compared with the control run,Chung's scheme reduces the negative bias in the simulated surface temperature and upward longwave radiation by 1℃ and 10 W·m-2,respectively.The simulations of surface temperature and upward longwave radiation on clear days are better than those on cloudy days.Moreover,the surface roughness parameterization,which is given by Zhang,can significantly improve the simulation of sensible heat flux.
Ma Di
,
Lv Shihua
,
Bao Yan
,
Ao Yinhuan
,
Han Bo
,
Zhao Lin
. Parameterization Improvement on Simulation of Surface Temperature and Energy Budget over Desert using BATS Model[J]. Journal of Desert Research, 2017
, 37(4)
: 749
-754
.
DOI: 10.7522/j.issn.1000-694X.2015.00282
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