Arid
DOI10.1002/hyp.8391
Actual evapotranspiration estimation by ground and remote sensing methods: the Australian experience
Glenn, Edward P.3; Doody, Tanya M.1; Guerschman, Juan P.1; Huete, Alfredo R.2; King, Edward A.1; McVicar, Tim R.1; Van Dijk, Albert I. J. M.1; Van Niel, Thomas G.1; Yebra, Marta1; Zhang, Yongqiang1
通讯作者Glenn, Edward P.
来源期刊HYDROLOGICAL PROCESSES
ISSN0885-6087
EISSN1099-1085
出版年2011
卷号25期号:26页码:4103-4116
英文摘要

On average, Australia is a dry continent with many competing uses for water. Hence, there is an urgent need to know actual evapotranspiration (ETa) patterns across wide areas of agricultural and natural ecosystems, as opposed to just point measurements of ETa. The Australian Government has tasked the science agencies with operationally developing monthly and annual estimates of ETa and other hydrological variables, and with forecasting water availability over periods of days to decades, as part of its national water assessment programme. To meet these needs, Australian researchers have become leaders in developing large-area methods for estimating ETa at regional and continental scales. Ground methods include meteorological models, eddy covariance towers, sap flow sensors and catchment water balance models. Remote sensing methods use thermal infrared, mid infrared and/or vegetation indices usually combined with meteorological data to estimate ETa. Ground and remote sensing ETa estimates are assimilated into the Australian Water Resource Assessment, which issues annual estimates of the state of the continental water balance for policy and planning purposes. The best ETa models are estimated to have an error or uncertainty of 10% to 20% in Australia. Developments in Australian ETa research over the past 20 years are reviewed, and sources of error and uncertainty in current methods and models are discussed. Copyright (C) 2011 John Wiley & Sons, Ltd.


英文关键词eddy covariance sap flux arid land studies hydrological cycles OzFlux
类型Article
语种英语
国家Australia ; USA
收录类别SCI-E
WOS记录号WOS:000298477300012
WOS关键词MURRAY-DARLING BASIN ; DROUGHT-INDUCED REDUCTION ; NET PRIMARY PRODUCTION ; SOUTH-EASTERN AUSTRALIA ; BUDYKOS HYDROLOGICAL MODEL ; HEAT PULSE METHOD ; WATER-USE ; SAP FLOW ; NORTHERN AUSTRALIA ; WESTERN-AUSTRALIA
WOS类目Water Resources
WOS研究方向Water Resources
来源机构Commonwealth Scientific and Industrial Research Organisation
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/168429
作者单位1.CSIRO Land & Water, CSIRO Water Hlth Country Flagship, Canberra, ACT 2601, Australia;
2.Univ Technol Sydney, Dept Environm Sci, Sydney, NSW 2007, Australia;
3.Environm Res Lab, Tucson, AZ 85706 USA
推荐引用方式
GB/T 7714
Glenn, Edward P.,Doody, Tanya M.,Guerschman, Juan P.,et al. Actual evapotranspiration estimation by ground and remote sensing methods: the Australian experience[J]. Commonwealth Scientific and Industrial Research Organisation,2011,25(26):4103-4116.
APA Glenn, Edward P..,Doody, Tanya M..,Guerschman, Juan P..,Huete, Alfredo R..,King, Edward A..,...&Zhang, Yongqiang.(2011).Actual evapotranspiration estimation by ground and remote sensing methods: the Australian experience.HYDROLOGICAL PROCESSES,25(26),4103-4116.
MLA Glenn, Edward P.,et al."Actual evapotranspiration estimation by ground and remote sensing methods: the Australian experience".HYDROLOGICAL PROCESSES 25.26(2011):4103-4116.
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