Arid
DOI10.1002/hyp.9753
Development of pan coefficients for estimating evapotranspiration from riparian woody vegetation
Doody, Tanya M.1,2; Benyon, Richard G.3; Theiveyanathan, S.4; Koul, Vijay5; Stewart, Leroy5
通讯作者Doody, Tanya M.
来源期刊HYDROLOGICAL PROCESSES
ISSN0885-6087
EISSN1099-1085
出版年2014
卷号28期号:4页码:2129-2149
英文摘要

The long-term Millennium Drought’ has put significant pressure on water resources across Australia. In southeastern Australia and in particular the Murray-Darling Basin, removal of exotic, high-water-use Salix trees may provide a means to return water to the environment. This paper describes a simple model to estimate evapotranspiration of two introduced Salix species under non-water-limited conditions across seven biogeoclimatic zones in Australia. In this study, Salix evapotranspiration was calculated using the Penman-Monteith model. Field measurements of leaf area index and stomatal conductance for Salix babylonica and Salix fragilis were used to parameterize the models. Each model was validated using extensive field estimates of evapotranspiration from a semi-arid (S.babylonica, r(2)=0.88) and cool temperate (S.fragilis, r(2)=0.99) region. Modelled mean annual evapotranspiration showed strong agreement with field measurements, being within 32 and 2mmyear(-1) for S.babylonica and S.fragilis, respectively. Monthly pan coefficients (the ratio of mean evapotranspiration to mean pan evaporation) were developed from 30years of meteorological data, for 30 key reference sites across Australia for both species using the validated Penman-Monteith models. Open-water evaporation was estimated from field measurements and was used to develop a simple linear regression model for open-water evaporation across the 30 reference sites. Differences between modelled evapotranspiration and open-water evaporation at each site provide an indication of the amount of water that might be returned to the environment from removal of in-stream Salix species. The monthly pan coefficient method reported has application across riparian environments worldwide where measured evapotranspiration is available for model validation. Copyright (c) 2013 John Wiley & Sons, Ltd.


英文关键词Australia water resource management transpiration water salvage salix Murray-Darling basin stomatal conductance river red gum riparian leaf area index
类型Article
语种英语
国家Australia
收录类别SCI-E
WOS记录号WOS:000330743000046
WOS关键词SOUTH-EASTERN AUSTRALIA ; REMOTE-SENSING METHODS ; SHORT-ROTATION FOREST ; WATER-USE EFFICIENCY ; STAND TRANSPIRATION ; TREE PLANTATIONS ; CHANGING WORLD ; CLIMATE-CHANGE ; TAMARIX SPP. ; FRESH-WATER
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/2XILL650/182459
作者单位1.CSIRO Land & Water, CSIRO Water Hlth Country Natl Res Flagship, Glen Osmond, SA 5064, Australia;
2.Univ Adelaide, Sch Earth & Environm Sci, Adelaide, SA 5005, Australia;
3.Univ Melbourne, Dept Forest & Ecosyst Sci, Parkville, Vic 3010, Australia;
4.Bur Meteorol, Climate & Water Div, Water Resources & Assessment Sect, Canberra, ACT 2601, Australia;
5.CSIRO Ecosyst Sci, CSIRO Water Hlth Country Natl Res Flagship, Canberra, ACT 2601, Australia
推荐引用方式
GB/T 7714
Doody, Tanya M.,Benyon, Richard G.,Theiveyanathan, S.,et al. Development of pan coefficients for estimating evapotranspiration from riparian woody vegetation[J]. Commonwealth Scientific and Industrial Research Organisation,2014,28(4):2129-2149.
APA Doody, Tanya M.,Benyon, Richard G.,Theiveyanathan, S.,Koul, Vijay,&Stewart, Leroy.(2014).Development of pan coefficients for estimating evapotranspiration from riparian woody vegetation.HYDROLOGICAL PROCESSES,28(4),2129-2149.
MLA Doody, Tanya M.,et al."Development of pan coefficients for estimating evapotranspiration from riparian woody vegetation".HYDROLOGICAL PROCESSES 28.4(2014):2129-2149.
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