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A Systematic Evaluation of Noah-MP in Simulating Land-Atmosphere Energy, Water, and Carbon Exchanges Over the Continental United States
Ma, N (Ma, Ning)1,2,3,4; Niu, GY (Niu, Guo-Yue)3,5; Xia, YL (Xia, Youlong)6; Cai, XT (Cai, Xitian)7; Zhang, YS (Zhang, Yinsheng)1,2; Ma, YM (Ma, Yaoming)1,2,4; Fang, YH (Fang, Yuanhao)8; Ma, N; Niu, GY
Source PublicationJOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES
2017
Volume122Issue:22Pages:12245-12268
DOI10.1002/2017JD027597
AbstractAccurate simulation of energy, water, and carbon fluxes exchanging between the land surface and the atmosphere is beneficial for improving terrestrial ecohydrological and climate predictions. We systematically assessed the Noah land surface model (LSM) with mutiparameterization options (Noah-MP) in simulating these fluxes and associated variations in terrestrial water storage (TWS) and snow cover fraction (SCF) against various reference products over 18 United States Geological Survey two-digital hydrological unit code regions of the continental United States (CONUS). In general, Noah-MP captures better the observed seasonal and interregional variability of net radiation, SCF, and runoff than other variables. With a dynamic vegetation model, it overestimates gross primary productivity by 40% and evapotranspiration (ET) by 22% over the whole CONUS domain; however, with a prescribed climatology of leaf area index, it greatly improves ET simulation with relative bias dropping to 4%. It accurately simulates regional TWS dynamics in most regions except those with large lakes or severely affected by irrigation and/or impoundments. Incorporating the lake water storage variations into the modeled TWS variations largely reduces the TWS simulation bias more obviously over the Great Lakes with model efficiency increasing from 0.18 to 0.76. Noah-MP simulates runoff well in most regions except an obvious overestimation (underestimation) in the Rio Grande and Lower Colorado (New England). Compared with North American Land Data Assimilation System Phase 2 (NLDAS-2) LSMs, Noah-MP shows a better ability to simulate runoff and a comparable skill in simulating R-n but a worse skill in simulating ET over most regions. This study suggests that future model developments should focus on improving the representations of vegetation dynamics, lake water storage dynamics, and human activities including irrigation and impoundments.
Subject Area自然地理学
WOS IDWOS:000418084500022
Language英语
Indexed BySCI
KeywordResearch Nldas-2 Systems Data Assimilation System Basin-scale Assessment National Centers Stomatal Conductance Bsrn Measurements Modeling System Surface Models Climate Models River-basin
WOS Research AreaMeteorology & Atmospheric Sciences
WOS SubjectMeteorology & Atmospheric Sciences ; Meteorology & Atmospheric Sciences
Cooperation Status国际
Citation statistics
Cited Times:17[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itpcas.ac.cn/handle/131C11/7940
Collection图书馆
Corresponding AuthorMa, N; Niu, GY
Affiliation1.Chinese Acad Sci, Inst Tibetan Plateau Res, Key Lab Tibetan Environm Changes & Land Surface P, Beijing, Peoples R China.
2.Chinese Acad Sci, Ctr Excellence Tibetan Plateau Earth Sci, Beijing, Peoples R China.
3.Univ Arizona, Dept Hydrol & Atmospher Sci, Tucson, AZ 85721 USA.
4.Univ Chinese Acad Sci, Beijing, Peoples R China.
5.Univ Arizona, Biosphere 2, Tucson, AZ 85721 USA.
6.Natl Ctr Environm Predict, Environm Modeling Ctr, College Pk, MD USA.
7.Princeton Univ, Dept Civil & Environm Engn, Princeton, NJ 08544 USA.
8.Hohai Univ, Dept Hydrol & Water Resources, Nanjing, Jiangsu, Peoples R China.
Recommended Citation
GB/T 7714
Ma, N ,Niu, GY ,Xia, YL ,et al. A Systematic Evaluation of Noah-MP in Simulating Land-Atmosphere Energy, Water, and Carbon Exchanges Over the Continental United States[J]. JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES,2017,122(22):12245-12268.
APA Ma, N .,Niu, GY .,Xia, YL .,Cai, XT .,Zhang, YS .,...&Niu, GY.(2017).A Systematic Evaluation of Noah-MP in Simulating Land-Atmosphere Energy, Water, and Carbon Exchanges Over the Continental United States.JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES,122(22),12245-12268.
MLA Ma, N ,et al."A Systematic Evaluation of Noah-MP in Simulating Land-Atmosphere Energy, Water, and Carbon Exchanges Over the Continental United States".JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES 122.22(2017):12245-12268.
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