|
|
vol. 12, nr. 2 (2008)
|
Estimation of potential evaporation for winter season for the needs of hydrological modelling
|
|
|
Stanisław Bac1, Sławomir Iwański2, Leszek Kuchar2
|
|
| (get PDF )
|
|
|
1 Institute of Meteorology and Water Management, Wrocław Division, ul. Parkowa 30, 51-616 Wrocław |
|
|
2 Faculty of Mathematics, University of Life Sciences in Wrocław, ul. Grunwaldzka 53, 50-357 Wrocław |
|
|
vol. 12 (2008), nr. 2,
pp. 305-314
|
|
|
abstract:
The paper presents a comparison of three selected models: Turc’s formula, modification of Turc’s monthly formula, and linear model for assessing potential evaporation (i.e. evaporation from water surface) for the cold half-year period. Analyses were carried using 35-year long monthly data of potential evaporation, mean air temperature and solar radiation. Modification of Turc’s formula was made by parameterisation of equation and introducing an additional coefficient. Parameter estimation of all presented models was done by the least square method. Test of new formulae for winter months has shown lower errors, depending on considered month.
|
|
keywords:
water balance, potential and field evaporation, Turc’s formula, least square method
|
|
original in:
Polish
|
|
|
|
|
|
