Validation of the RegCM4/CLM4.5 regional climate modeling system over the Western Siberia

Konstantin M. Makushev; Anatoly A. Lagutin; Nikolay V. Volkov; Egor Yu. Mordvin

doi:10.1117/12.2249163

29 November 2016 Validation of the RegCM4/CLM4.5 regional climate modeling system over the Western Siberia

Konstantin M. Makushev, Anatoly A. Lagutin, Nikolay V. Volkov, Egor Yu. Mordvin

Proceedings Volume 10035, 22nd International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics; 100356P (2016) https://doi.org/10.1117/12.2249163
Event: XXII International Symposium Atmospheric and Ocean Optics. Atmospheric Physics, 2016, Tomsk, Russian Federation

Abstract

Validation results of the atmospheric and radiation blocks of the Regional Climate Model version 4 (RegCM4) coupled with the Community Land Model version 4.5 (CLM4.5) over Western Siberia for 1995-2015 are presented. Model validity was verified by comparing results of RegCM4/CLM4.5 modeling system, driven by the Era-Interim reanalysis, with the global archive of the Climatic Research Unit (CRU3.23) and outgoing longwave radiation (OLR) observed by the Atmospheric Infrared Sounder/Advanced Microwave Sounding Unit (AIRS/AMSU) aboard NASA's Aqua satellite. It was found that for annual T2m air temperature and annual precipitation anomalies model bias is 0.5-0.8 °С and 15- 20 %, respectively. OLR model and the AIRS/AMSU-Aqua observations minimal difference about 1-5 W/m² is in the summer and fall months. In the winter and spring months this difference may reach 10-15 W/m².

Citation Download Citation

Konstantin M. Makushev, Anatoly A. Lagutin, Nikolay V. Volkov, and Egor Yu. Mordvin "Validation of the RegCM4/CLM4.5 regional climate modeling system over the Western Siberia", Proc. SPIE 10035, 22nd International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 100356P (29 November 2016); https://doi.org/10.1117/12.2249163

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