Assessment of Runoff Components Simulated by GLDAS against UNH-GRDC Dataset at Global and Hemispheric Scales | |
Lv, MX (Lv, Meixia)1; Lv, MZ (Lv, Meizhao)1,4; Lu, H (Lu, Hui)4,5; Yang, K (Yang, Kun)2,3,4,5; Xu, ZF (Xu, Zhongfeng)1; Huang, XM (Huang, Xiaomeng)4,5 | |
刊名 | WATER |
2018-08-01 | |
卷号 | 10期号:8页码:文献号: 969 |
关键词 | Soil-moisture Air-temperature Model Assimilation System Climate Anomalies |
ISSN号 | 2073-4441 |
DOI | 10.3390/w10080969 |
英文摘要 | The current evaluations of global land data assimilation system (GLDAS) runoff were generally limited to the observation-rich areas. At the global and hemispheric scales, we assessed different runoff components performance of GLDAS (1.0 and 2.1) using the University of New Hampshire and Global Runoff Data Centre (UNH-GRDC) dataset. The results suggest that GLDAS simulations show considerable uncertainties, particularly in partition of surface and subsurface runoffs, in snowmelt runoff modeling, and in capturing the northern peak time. GLDAS1.0-CLM (common land model) produced more surface runoff almost globally; GLDAS-Noah generated more surface runoff over the northern middle-high latitudes and more subsurface runoff in the remaining areas; while the partition in GLDAS1.0-VIC (variable infiltration capacity) is almost opposite to that in Noah. Comparing to GLDAS1.0-Noah, GLDAS2.1-Noah improved the premature snow-melting tendency, but its snowmelt-runoff peak magnitude was excessively high in June and July. The discrepancies in northern primary peak times among precipitation and runoff is partly caused by the combination of rainfall and melting-snow over high-latitude, as well as the very different temporal-spatial distributions for snowmelt runoff simulated by GLDAS models. This paper can provide valuable guidance for GLDAS users, and contribute to the further improvement of hydrological parameterized schemes. |
学科主题 | 地理学 |
WOS研究方向 | Water Resources |
语种 | 英语 |
出版者 | MDPI |
WOS记录号 | WOS:000448462700003 |
内容类型 | 期刊论文 |
源URL | [http://ir.itpcas.ac.cn/handle/131C11/8571] |
专题 | 青藏高原研究所_图书馆 |
通讯作者 | Lu, H (Lu, Hui) |
作者单位 | 1.Chinese Acad Sci, Inst Atmospher Phys, Key Lab Reg Climate Environm Temperate East Asia, Beijing 100029, Peoples R China; 2.Chinese Acad Sci, Inst Tibetan Plateau Res, Key Lab Tibetan Environm Changes & Land Surface P, Beijing 100101, Peoples R China. 3.Chinese Acad Sci, Ctr Excellence Tibetan Plateau Earth Syst, Beijing 100101, Peoples R China; 4.Tsinghua Univ, Minist Educ, Key Lab Earth Syst Modeling, Dept Earth Syst Sci, Beijing 100084, Peoples R China; 5.Joint Ctr Global Change Studies, Beijing 100875, Peoples R China; |
推荐引用方式 GB/T 7714 | Lv, MX ,Lv, MZ ,Lu, H ,et al. Assessment of Runoff Components Simulated by GLDAS against UNH-GRDC Dataset at Global and Hemispheric Scales[J]. WATER,2018,10(8):文献号: 969. |
APA | Lv, MX ,Lv, MZ ,Lu, H ,Yang, K ,Xu, ZF ,&Huang, XM .(2018).Assessment of Runoff Components Simulated by GLDAS against UNH-GRDC Dataset at Global and Hemispheric Scales.WATER,10(8),文献号: 969. |
MLA | Lv, MX ,et al."Assessment of Runoff Components Simulated by GLDAS against UNH-GRDC Dataset at Global and Hemispheric Scales".WATER 10.8(2018):文献号: 969. |
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