不同陆面模式对我国地表温度模拟的适用性评估

基于CLDAS大气驱动数据驱动CLM3.5陆面模式和3种不同参数化方案下的Noah-MP陆面模式模拟得到的地表温度,利用中国气象局2009-2013年2000多个国家级地面观测站地表温度进行质量评估。结果表明:从时间分布看,模拟地表温度与观测的偏差及均方根误差均呈季节性波动;从空间分布看,模拟地表温度与观测的偏差及均方根误差在中国东部地区相对于中国西部地区更小。选择Noah-MP陆面模式3种不同参数化方案模拟结果进行对比,结果表明:Noah-MP模式的非动态植被方案不变时,考虑植被覆盖度的二流近似辐射传输方案的Noah-MP陆面模式模拟的地表温度优于考虑太阳高度角和植被三维结构的二流近似辐射传...

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Bibliographic Details
Published in应用气象学报 Vol. 28; no. 6; pp. 737 - 749
Main Author 孙帅;师春香;梁晓;韩帅;姜志伟;张涛
Format Journal Article
LanguageChinese
Published 南京信息工程大学地理与遥感学院,南京,210044%国家气象信息中心,北京,100081 2017
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ISSN1001-7313
DOI10.11898/1001-7313.20170609

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Summary:基于CLDAS大气驱动数据驱动CLM3.5陆面模式和3种不同参数化方案下的Noah-MP陆面模式模拟得到的地表温度,利用中国气象局2009-2013年2000多个国家级地面观测站地表温度进行质量评估。结果表明:从时间分布看,模拟地表温度与观测的偏差及均方根误差均呈季节性波动;从空间分布看,模拟地表温度与观测的偏差及均方根误差在中国东部地区相对于中国西部地区更小。选择Noah-MP陆面模式3种不同参数化方案模拟结果进行对比,结果表明:Noah-MP模式的非动态植被方案不变时,考虑植被覆盖度的二流近似辐射传输方案的Noah-MP陆面模式模拟的地表温度优于考虑太阳高度角和植被三维结构的二流近似辐射传输方案Noah-MP陆面模式模拟的地表温度;选择动态植被方案的Noah-MP陆面模式模拟的地表温度优于选择非动态植被方案的NoahMP陆面模式;总体而言,考虑动态植被方案的Noah-MP陆面模式模拟的地表温度优于其他两种参数化方案的Noah-MP陆面模式以及CLM3.5陆面模式模拟的地表温度。
Bibliography:11-2690/P
China Meteorological Administration Land Data Assimilation System; Community Land Model 3.5; Noah Land Surface Model with multi-physics options; surface temperature; station observation
Sun Shuai1, Shi Chunxiang2, Liang Xiao2, Han Shuai2, Jiang Zhiwei2, Zhang Tao2 (1.School of Geography and Remote Sensing, Nanjing University of Information Science & Technology, Nanjing 210044; 2.National Meteorological Information Center, Beijing 100081)
As an important physical quantity in the land surface process, the ground temperature plays an important role in climate change research, agricultural production and ecological environment. A set of simulation experiments are carried out, in which ground temperature are simulated by Community Land Model3. 5(CLM3. 5) land surface model and Noah-Multi Parameterization Land Surface Model(Noah-MP) of three different parameterization schemes, forced by China Meteorological Administration Land Data Assimilation System(CLDAS) atmosphere forcing data containing high-quality te
ISSN:1001-7313
DOI:10.11898/1001-7313.20170609