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Evaluation of Global Daily Reference ET Using Oklahoma's Environmental Monitoring Network-MESONET
Liu, WJ (Liu, Wenjuan)1,2,3,4; Hong, Y (Hong, Yang)1,3; Khan, S (Khan, Sadiq)1,3; Huang, MB (Huang, Mingbin)2,5,6; Grout, T (Grout, Trevor)1,3; Adhikari, P (Adhikari, Pradeep)1,3
2011-04-30
Source PublicationWATER RESOURCES MANAGEMENT
Volume25Issue:6Pages:1601-1613
Subtype期刊论文
Abstract

The objective of this study is to evaluate the potential utility of the USGS Global Data Assimilation System (GDAS) 1-degree, daily reference Evapotranspiration (ET(0)) products by comparing them with observed Oklahoma mesonet daily ET(0) over a 2 year period (2005-2006). The comparison showed a close match between the two independent ET(0) products, with bias within a range of 10% for most of the sites and the overall bias of -aEuro parts per thousand 2.80%. The temporal patterns are strongly correlated, with a correlation coefficient above 0.9 for all groups. In summary, we conclude that (1) the consistent low bias shows the original GDAS ET(0) products have high potentials to be used in land surface modeling; (2) the high temporal correlations demonstrate the capability of GDAS ET(0) to represent the major atmospheric processes that control the daily variation of surface hydrology; (3) The temporal and spatial correspondences in trend between independent datasets (GDAS and MESONET) were good. The finding in Oklahoma, a different hydro-climate region from a similar regional study conducted in California by Senay et al. (J Am Water Res Assoc 44(4):969-979, 2008), reconfirms the reliability and potential of using GDAS reference ET for regional energy balance and water resources management in many parts of the world.

KeywordEvapotranspiration (ET) Reference ET GDAS Oklahoma MESONET
DOI10.1007/s11269-010-9763-0
Indexed BySCI
Language英语
Citation statistics
Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ieecas.cn/handle/361006/10343
Collection古环境研究室
Corresponding AuthorHong, Y (Hong, Yang)1,3
Affiliation1.College of Resource and Environment, Northwest A&F University, Yangling,Shaanxi Province 712100, China;
2.School of Civil Engineering and Environmental Science, University of Oklahoma,Norman, OK, USA;
3.Center for Natural Hazard and Disaster Research, National Weather Center, Norman, OK, USA;
4.Institution of Earth Environment, Chinese Academy of Sciences, Xi’an,Shaanxi Province 710075, China;
5.State Key Laboratory of Soil Erosion and Dryland farming on the Loess Plateau,Institute of Soil and Water Conservation, Chinese Academy of Sciences &Ministry of Water Resources, Yangling, Shaanxi 712100, China
Recommended Citation
GB/T 7714
Liu, WJ ,Hong, Y ,Khan, S ,et al. Evaluation of Global Daily Reference ET Using Oklahoma's Environmental Monitoring Network-MESONET[J]. WATER RESOURCES MANAGEMENT,2011,25(6):1601-1613.
APA Liu, WJ ,Hong, Y ,Khan, S ,Huang, MB ,Grout, T ,&Adhikari, P .(2011).Evaluation of Global Daily Reference ET Using Oklahoma's Environmental Monitoring Network-MESONET.WATER RESOURCES MANAGEMENT,25(6),1601-1613.
MLA Liu, WJ ,et al."Evaluation of Global Daily Reference ET Using Oklahoma's Environmental Monitoring Network-MESONET".WATER RESOURCES MANAGEMENT 25.6(2011):1601-1613.
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