the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
Improvement of surface albedo parameterization within a regional climate model (RegCM3)
Y. Bao
S. Lü
Abstract. A parameterization for calculating surface albedo of Solar Zenith Angel (SZA) dependence with coefficient for each vegetation type determined on the Moderate Resolution Imaging Spectro-radiometer (MODIS) reformed by the Bidirectional Reflectance Distribution Function (BRDF) is incorporated within the latest Abdus Salam International Centre for Theoretical Physics (ICTP) Regional Climate Model (RegCM3), and evaluated with a high resolution one-way nesting simulation in China using the Climate Research Unit (CRU) data and the observations from the Field Experiment on Interaction between Land and Atmosphere in Arid Region of Northwest China (NWC-ALIEX). The performance of the SZA method modeling surface characteristic is investigated.Results indicate, RegCM with SZA method (RCM_SZA) considerably improve the cold bias of original RegCM (RCM_ORI) in air surface temperature in East Asia with 1.2 degree increased in summer due to the lower albedo produced by SZA method which makes more solar radiation absorbed by the surface and used for heating the atmosphere near to the surface. The simulated diurnal cycle of ground temperature conforms fairly well to the observation in the nesting simulation in Northwest China, especially during the noon time when the SZA has the lowest value. However, the modification can not obviously affect the East Asia summer monsoon precipitation simulation although RCM_SZA produce more evapo-transpiration in surface with more than 2 Wm−2 increases in simulated latent heat fluxes both in East Asia and in Northwest China compared to RCM_ORI.
Y. Bao and S. Lü
- RC C319: 'RC', Anonymous Referee #1, 15 Apr 2009
- RC C396: 'Improvement of surface albedo parameterization within a regional climate model (RegCM3) by Yan Bao and Shihua Lv', Marcel van Helvoirt, 23 Apr 2009
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RC C401: 'Review on “Improvement of surface albedo parameterization within a regional climate model (RegCM3)” by Bao et al', Anonymous Referee #3, 24 Apr 2009
- SC C479: 'Reply to anonymous referee #3', Yan Bao, 28 Apr 2009
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RC C434: 'Reviewer’s comments to “Improvement of surface albedo parameterization within a regional climate model (RegCM3)” by Bao et al.', Anonymous Referee #4, 27 Apr 2009
- SC C440: 'Sorry for missing figure 6 (d) in my paper', Yan Bao, 28 Apr 2009
- SC C459: 'Reply to anonymous referee #1', Yan Bao, 28 Apr 2009
- AC C475: 'Reply to referee #2', Yan Bao, 28 Apr 2009
- RC C319: 'RC', Anonymous Referee #1, 15 Apr 2009
- RC C396: 'Improvement of surface albedo parameterization within a regional climate model (RegCM3) by Yan Bao and Shihua Lv', Marcel van Helvoirt, 23 Apr 2009
-
RC C401: 'Review on “Improvement of surface albedo parameterization within a regional climate model (RegCM3)” by Bao et al', Anonymous Referee #3, 24 Apr 2009
- SC C479: 'Reply to anonymous referee #3', Yan Bao, 28 Apr 2009
-
RC C434: 'Reviewer’s comments to “Improvement of surface albedo parameterization within a regional climate model (RegCM3)” by Bao et al.', Anonymous Referee #4, 27 Apr 2009
- SC C440: 'Sorry for missing figure 6 (d) in my paper', Yan Bao, 28 Apr 2009
- SC C459: 'Reply to anonymous referee #1', Yan Bao, 28 Apr 2009
- AC C475: 'Reply to referee #2', Yan Bao, 28 Apr 2009
Y. Bao and S. Lü
Y. Bao and S. Lü
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Cited
3 citations as recorded by crossref.
- Improved parameterization of snow albedo in Noah coupled with Weather Research and Forecasting: applicability to snow estimates for the Tibetan Plateau L. Liu et al. 10.5194/hess-25-4967-2021
- Analysis of the West African Monsoon system in the regional climate model COSMO-CLM S. Kothe et al. 10.1002/joc.3702
- Evaluation of Operational Atmospheric Correction effects on Surface Reflectance and Albedo using Landsat-OLI images M. Rahimpour et al. 10.29252/jgit.7.2.113