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Modeling Evapotranspiration over China's Landmass from 1979 to 2012 Using Multiple Land Surface Models: Evaluations and Analyses
Sun, Shaobo1,2; Chen, Baozhang1,2,3,4; Shao, Quanqin2,5; Chen, Jing6; Liu, Jiyuan3; Zhang, Xue-Jun2,7; Zhang, Huifang1; Lin, Xiaofeng1,2
2017-04-01
Source PublicationJOURNAL OF HYDROMETEOROLOGY
ISSN1525-755X
Volume18Issue:4Pages:1185-1203
Corresponding AuthorChen, Baozhang(baozhang.chen@igsnrr.ac.cn)
AbstractLand surface models (LSMs) are useful tools to estimate land evapotranspiration at a grid scale and for long-term applications. Here, the Community Land Model, version 4.0 (CLM4.0); Dynamic Land Model (DLM); and Variable Infiltration Capacity model (VIC) were driven with observation-based forcing datasets, and a multiple-LSM ensemble-averaged evapotranspiration (ET) product (LSMs-ET) was developed and its spatial-temporal variations were analyzed for the China landmass over the period 1979-2012. Evaluations against measurements from nine flux towers at site scale and surface water budget-based ET at regional scale showed that the LSMs-ET had good performance in most areas of China's landmass. The intercomparisons between the ET estimates and the independent ET products from remote sensing and upscaling methods suggested that there were fairly consistent patterns between each dataset. The LSMs-ET produced a mean annual ET of 351.24 6 +/- 10.7 mm yr(-1) over 1979-2012, and its spatial-temporal variation analyses showed that (i) there was an overall significant ET increasing trend, with a value of 0.72 mm yr(-1) (p < 0.01), and (ii) 36.01% of Chinese land had significant increasing trends, ranging from 1 to 9 mm yr(-1), while only 6.41% of the area showed significant decreasing trends, ranging from -6.28 to -0.08 mm yr(-1). Analyses of ET variations in each climate region clearly showed that the Tibetan Plateau areas were the main contributors to the overall increasing ET trends of China.
DOI10.1175/JHM-D-16-0212.1
WOS KeywordGLOBAL TERRESTRIAL EVAPOTRANSPIRATION ; ENERGY-BALANCE CLOSURE ; TIBETAN PLATEAU ; CLIMATE-CHANGE ; CANADA LANDMASS ; SOIL-MOISTURE ; RIVER RUNOFF ; CO2 FLUXES ; WATER ; CARBON
Indexed BySCI
Language英语
Funding ProjectNational Key Technology Support Program[2013BAC03B04] ; State Key Laboratory of Resources and Environment Information System[O88RA901YA] ; State Key Laboratory of Resources and Environment Information System[O8R8A085YA] ; National Natural Science Foundation of China[41271116] ; National Natural Science Foundation of China[31500402] ; Jiangsu Province double creation'' program
Funding OrganizationNational Key Technology Support Program ; State Key Laboratory of Resources and Environment Information System ; National Natural Science Foundation of China ; Jiangsu Province double creation'' program
WOS Research AreaMeteorology & Atmospheric Sciences
WOS SubjectMeteorology & Atmospheric Sciences
WOS IDWOS:000405433500018
PublisherAMER METEOROLOGICAL SOC
Citation statistics
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/62940
Collection中国科学院地理科学与资源研究所
Corresponding AuthorChen, Baozhang
Affiliation1.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, State Key Lab Resources & Environm Informat Syst, Beijing, Peoples R China
2.Univ Chinese Acad Sci, Beijing, Peoples R China
3.China Univ Min & Technol, Sch Environm Sci & Spatial Informat, Xuzhou, Peoples R China
4.Jiangsu Ctr Collaborat Innovat Geog Informat Reso, Nanjing, Jiangsu, Peoples R China
5.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Land Surface Pattern & Simulat, Beijing, Peoples R China
6.Beijing Meteorol Bur, Beijing, Peoples R China
7.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Water Cycle & Related Land Surface Proc, Beijing, Peoples R China
Recommended Citation
GB/T 7714
Sun, Shaobo,Chen, Baozhang,Shao, Quanqin,et al. Modeling Evapotranspiration over China's Landmass from 1979 to 2012 Using Multiple Land Surface Models: Evaluations and Analyses[J]. JOURNAL OF HYDROMETEOROLOGY,2017,18(4):1185-1203.
APA Sun, Shaobo.,Chen, Baozhang.,Shao, Quanqin.,Chen, Jing.,Liu, Jiyuan.,...&Lin, Xiaofeng.(2017).Modeling Evapotranspiration over China's Landmass from 1979 to 2012 Using Multiple Land Surface Models: Evaluations and Analyses.JOURNAL OF HYDROMETEOROLOGY,18(4),1185-1203.
MLA Sun, Shaobo,et al."Modeling Evapotranspiration over China's Landmass from 1979 to 2012 Using Multiple Land Surface Models: Evaluations and Analyses".JOURNAL OF HYDROMETEOROLOGY 18.4(2017):1185-1203.
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