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Abstract:

Arid and semi-arid regions are heterogeneous landscapes in which irrigated fields are surrounded by arid areas. The advection of sensible heat flux from dry surfaces is a significant source of energy that has to be taken into consideration when evaluating the evaporation from crops growing in these areas. The basic requirement of most of the common methods for estimating evapotranspiration [Bowen ratio, aerodynamic and Penman-Monteith (PM) equation] is that the horizontal fluxes of sensible and latent heat are negligible when compared to the corresponding vertical fluxes. We carried out measurements above an irrigated tomato field in a desert area. Latent and sensible heat fluxes were measured using a four-level Bowen machine with aspirated psychrometers. Our results indicate that under advective conditions only measurements carried out in the lowest layer are satisfactory for the estimation of latent heat fluxes and that the use of the PM equation with an appropriately parameterized canopy resistance may be preferable. © ISB 2005.

Registro:

Documento: Artículo
Título:Evapotranspiration under advective conditions
Autor:Figuerola, P.I.; Berliner, P.R.
Filiación:Dpto. de Ciencias de la Atmósfera, Facultad de Ciencias Exactas y Naturales, Pabellón 2, 2do. Piso, Buenos Aires 1428, Argentina
Wyler Department of Dryland Agriculture, Blaustein Institute for Desert Research, Ben-Gurion University of the Negev, Israel
Arid Land Research Centre, Tottori University, Tottori, Japan
Palabras clave:Advection; Evapotranspiration; Evapotranspiration models; water; air; article; chemistry; crop; desert climate; heat; theoretical model; tomato; volatilization; wind; Air Movements; Crops, Agricultural; Desert Climate; Heat; Lycopersicon esculentum; Models, Theoretical; Volatilization; Water; Wind; Arida; Lycopersicon esculentum
Año:2005
Volumen:49
Número:6
Página de inicio:403
Página de fin:416
DOI: http://dx.doi.org/10.1007/s00484-004-0252-0
Título revista:International Journal of Biometeorology
Título revista abreviado:Int. J. Biometeorol.
ISSN:00207128
CODEN:IJBMA
CAS:water, 7732-18-5; Water, 7732-18-5
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00207128_v49_n6_p403_Figuerola

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Citas:

---------- APA ----------
Figuerola, P.I. & Berliner, P.R. (2005) . Evapotranspiration under advective conditions. International Journal of Biometeorology, 49(6), 403-416.
http://dx.doi.org/10.1007/s00484-004-0252-0
---------- CHICAGO ----------
Figuerola, P.I., Berliner, P.R. "Evapotranspiration under advective conditions" . International Journal of Biometeorology 49, no. 6 (2005) : 403-416.
http://dx.doi.org/10.1007/s00484-004-0252-0
---------- MLA ----------
Figuerola, P.I., Berliner, P.R. "Evapotranspiration under advective conditions" . International Journal of Biometeorology, vol. 49, no. 6, 2005, pp. 403-416.
http://dx.doi.org/10.1007/s00484-004-0252-0
---------- VANCOUVER ----------
Figuerola, P.I., Berliner, P.R. Evapotranspiration under advective conditions. Int. J. Biometeorol. 2005;49(6):403-416.
http://dx.doi.org/10.1007/s00484-004-0252-0