Measuring and modelling evapotranspiration in a South African grassland: Comparison of two improved Penman-Monteith formulations

Gwate, Onalenna; Mantel, Sukhmani K; Palmer, Anthony R; Gibson, Lesley A; Munch, Zahn

Title: Measuring and modelling evapotranspiration in a South African grassland: Comparison of two improved Penman-Monteith formulations
Creator: Gwate, Onalenna
Creator: Mantel, Sukhmani K
Creator: Palmer, Anthony R
Creator: Gibson, Lesley A
Creator: Munch, Zahn
Subject: To be catalogued
Date Issued: 2019
Date: 2019
Type: text
Type: report
Identifier: http://hdl.handle.net/10962/438167
Identifier: vital:73440
Identifier: ISBN 1816-7950
Identifier: https://wrcwebsite.azurewebsites.net/wp-content/uploads/mdocs/44_03_16_3530.pdf
Description: Accurately measuring evapotranspiration (ET) is important in the con-text of global atmospheric changes and for use with climate models. Direct ET measurement is costly to apply widely and local calibration and validation of ET models developed elsewhere improves confidence in ET derived from such models. is study sought to compare the per-formance of the Penman-Monteith-Leuning (PML) and Penman-Monteith-Palmer (PMP) ET models, over mesic grasslands in two study sites in South Africa. The study used routine meteorological data from a scientific-grade automatic weather station (AWS) to apply the PML and PMP models. The PML model was calibrated at one site and validated in both sites. On the other hand, the PMP model does not require cali-bration and hence it was validated in both sites.
Format: 13 pages
Format: pdf
Publisher: Water Research Commission
Language: English
Relation: Gwate, O., Mantel, S.K., Palmer, A.R., Gibson, L.A. and Munch, Z., 2018. Measuring and modelling evapotranspiration in a South African grassland: Comparison of two improved Penman-Monteith formulations. Water SA, 44(3), pp.482-494
Rights: Publisher
Rights: Use of this resource is governed by the terms and conditions of the Water Research Commission Terms and Conditions of Use Statement (https://www.gov.za/terms-and-conditions-use-0)

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