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A sensitivity analysis of the Penman-Monteith actual evapotranspiration estimates

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A sensitivity analysis of the Penman-Monteith actual evapotranspiration estimates. / Beven, Keith.
In: Journal of Hydrology, Vol. 44, No. 3-4, 12.1979, p. 169-190.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

Beven, K 1979, 'A sensitivity analysis of the Penman-Monteith actual evapotranspiration estimates', Journal of Hydrology, vol. 44, no. 3-4, pp. 169-190. https://doi.org/10.1016/0022-1694(79)90130-6

APA

Beven, K. (1979). A sensitivity analysis of the Penman-Monteith actual evapotranspiration estimates. Journal of Hydrology, 44(3-4), 169-190. https://doi.org/10.1016/0022-1694(79)90130-6

Vancouver

Beven K. A sensitivity analysis of the Penman-Monteith actual evapotranspiration estimates. Journal of Hydrology. 1979 Dec;44(3-4):169-190. doi: 10.1016/0022-1694(79)90130-6

Author

Beven, Keith. / A sensitivity analysis of the Penman-Monteith actual evapotranspiration estimates. In: Journal of Hydrology. 1979 ; Vol. 44, No. 3-4. pp. 169-190.

Bibtex

@article{ac4b3d6b369446f4a9f861af05d680f5,
title = "A sensitivity analysis of the Penman-Monteith actual evapotranspiration estimates",
abstract = "The evapotranspiration component, based on the Penman-Monteith equation, of the distributed Syst{\`e}me Hydrologique Europ{\'e}en (SHE) model of catchment hydrology is briefly described. The importance of evapotranspiration predictions to the operation of the model is stressed. However, such predictions may be expected to be in error and ideally it would be desirable to predict the error variance associated with estimates of evapotranspiration. This is not yet possible but the sensitivity of such estimates to errors in input data and estimated model parameter values can be investigated. It is shown that for dry canopy conditions at three sites within a broadly humid temperate region, the sensitivity of Penman-Monteith estimates of evapotranspiration to different input data and parameters is very dependent on the values of the aerodynamic and canopy resistance parameters that introduce the influence of vegetation type into the predictions. For forest surfaces in particular, the evapotranspiration predictions are highly sensitive to values of the canopy resistance, so that accurate estimation of this parameter is important.",
author = "Keith Beven",
year = "1979",
month = dec,
doi = "10.1016/0022-1694(79)90130-6",
language = "English",
volume = "44",
pages = "169--190",
journal = "Journal of Hydrology",
issn = "0022-1694",
publisher = "Elsevier Science B.V.",
number = "3-4",

}

RIS

TY - JOUR

T1 - A sensitivity analysis of the Penman-Monteith actual evapotranspiration estimates

AU - Beven, Keith

PY - 1979/12

Y1 - 1979/12

N2 - The evapotranspiration component, based on the Penman-Monteith equation, of the distributed Système Hydrologique Européen (SHE) model of catchment hydrology is briefly described. The importance of evapotranspiration predictions to the operation of the model is stressed. However, such predictions may be expected to be in error and ideally it would be desirable to predict the error variance associated with estimates of evapotranspiration. This is not yet possible but the sensitivity of such estimates to errors in input data and estimated model parameter values can be investigated. It is shown that for dry canopy conditions at three sites within a broadly humid temperate region, the sensitivity of Penman-Monteith estimates of evapotranspiration to different input data and parameters is very dependent on the values of the aerodynamic and canopy resistance parameters that introduce the influence of vegetation type into the predictions. For forest surfaces in particular, the evapotranspiration predictions are highly sensitive to values of the canopy resistance, so that accurate estimation of this parameter is important.

AB - The evapotranspiration component, based on the Penman-Monteith equation, of the distributed Système Hydrologique Européen (SHE) model of catchment hydrology is briefly described. The importance of evapotranspiration predictions to the operation of the model is stressed. However, such predictions may be expected to be in error and ideally it would be desirable to predict the error variance associated with estimates of evapotranspiration. This is not yet possible but the sensitivity of such estimates to errors in input data and estimated model parameter values can be investigated. It is shown that for dry canopy conditions at three sites within a broadly humid temperate region, the sensitivity of Penman-Monteith estimates of evapotranspiration to different input data and parameters is very dependent on the values of the aerodynamic and canopy resistance parameters that introduce the influence of vegetation type into the predictions. For forest surfaces in particular, the evapotranspiration predictions are highly sensitive to values of the canopy resistance, so that accurate estimation of this parameter is important.

UR - http://www.scopus.com/inward/record.url?scp=0018656392&partnerID=8YFLogxK

U2 - 10.1016/0022-1694(79)90130-6

DO - 10.1016/0022-1694(79)90130-6

M3 - Journal article

AN - SCOPUS:0018656392

VL - 44

SP - 169

EP - 190

JO - Journal of Hydrology

JF - Journal of Hydrology

SN - 0022-1694

IS - 3-4

ER -