NDLI: Developing Equations for Estimating Reference Evapotranspiration in Australia

Content Provider	Springer Nature Link
Author	Ahooghalandari, Matin Khiadani, Mehdi Jahromi, Mina Esmi
Copyright Year	2016
Abstract	Quantifying reference evapotranspiration (ET$_{0}$) is essential in water resources management. Although, many methods have been developed with different level of accuracy, in this study, two new equations were developed and optimized for estimating ET$_{0}$ using Honey-Bee Mating Optimization (HBMO) algorithm. The first eq. estimates ET$_{0}$ from extraterrestrial radiation (R$_{a}$), relative humidity (RH) and mean daily temperature (T$_{mean}$), while the second uses the same parameters except that mean daily temperatures is replaced with maximum daily air temperature (T$_{max}$). Both equations were developed using climatic data from eight weather stations in Western Australia and subsequently verified using data from ten sites across Australia. The estimated ET$_{0}$ values from both equations versus the FAO56-Penman-Monteith have a coefficient of determination, R$^{2}$, of larger than 0.96. Moreover, the performance of six commonly used methods of estimating ET$_{0}$ including Hargreaves-Samani, Thornthwaith, Hamon, Mc Guinness-Bordne, Irmak and Jensen-Haise were assessed and the Hargreaves-Samani method performed better than others. An attempt was made to calibrate the Hargreaves-Samani equation; however, its overall performance did not improved and the two newly proposed equations are suggested to be used in Australia.
Starting Page	3815
Ending Page	3828
Page Count	14
File Format	PDF
ISSN	09204741
Journal	Water Resources Management
Volume Number	30
Issue Number	11
e-ISSN	15731650
Language	English
Publisher	Springer Netherlands
Publisher Date	2016-06-04
Publisher Institution	European Water Resources Association (EWRA)
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Reference evapotranspiration FAO56-penman-Monteith Temperature-based equations Honey-bee mating optimization Hydrogeology Hydrology/Water Resources Geotechnical Engineering & Applied Earth Sciences Atmospheric Sciences Civil Engineering Environment
Content Type	Text
Resource Type	Article
Subject	Water Science and Technology Civil and Structural Engineering

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
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9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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