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Abstract:

Simulating evapotranspiration (ET) from agricultural crops requires models capable of describing energy partitioning over the entire range of crop cover, between bare soil and a full canopy. Double-layer models can satisfy this requirement. A double-layer model that calculates soil evaporation and plant transpiration in a parallel approach is proposed. Its performance is compared with the Penman-Monteith and the Shuttleworth-Wallace ET model performances, against ET measurements from a corn crop obtained by soil water balance during 1995/96 at Balcarce, Argentina. Corn grew at two different plant densities (22,000 and 91,000 pl ha-1), reaching maximum leaf area indexes (L) of 1.5 and 5.5, respectively. The soil evaporation component was weighted by a factor considering crop cover. Predicted and measured values fit better when the new model was applied. © 2002 Elsevier Science B.V. All rights reserved.

Registro:

Documento: Artículo
Título:Modelling evapotranspiration of corn (Zea mays) under different plant densities
Autor:Gardiol, J.M.; Serio, L.A.; Della Maggiora, A.I.
Filiación:Depto. de Cie. de la Atmosfera, Universidad de Buenos Aires, Ciudad Universitaria, Pab.II, 2 piso-(1428), Buenos Aires, Argentina
Unidad Integrada, Facultad de Ciencias Agrarias, Univ. Nac. de Mar del P.-EEA INTA B., Casilla de Correo 276 (7620), Balcarce, Buenos Aires, Argentina
Palabras clave:Corn; Evapotranspiration; Leaf area index; Soil water balance; Computer simulation; Evapotranspiration; Plants (botany); Soils; Double layer model; Hydrology; crop plant; evapotranspiration; leaf area index; modeling; soil water; Argentina; Zea mays
Año:2003
Volumen:271
Número:1-4
Página de inicio:188
Página de fin:196
DOI: http://dx.doi.org/10.1016/S0022-1694(02)00347-5
Título revista:Journal of Hydrology
Título revista abreviado:J. Hydrol.
ISSN:00221694
CODEN:JHYDA
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00221694_v271_n1-4_p188_Gardiol

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Citas:

---------- APA ----------
Gardiol, J.M., Serio, L.A. & Della Maggiora, A.I. (2003) . Modelling evapotranspiration of corn (Zea mays) under different plant densities. Journal of Hydrology, 271(1-4), 188-196.
http://dx.doi.org/10.1016/S0022-1694(02)00347-5
---------- CHICAGO ----------
Gardiol, J.M., Serio, L.A., Della Maggiora, A.I. "Modelling evapotranspiration of corn (Zea mays) under different plant densities" . Journal of Hydrology 271, no. 1-4 (2003) : 188-196.
http://dx.doi.org/10.1016/S0022-1694(02)00347-5
---------- MLA ----------
Gardiol, J.M., Serio, L.A., Della Maggiora, A.I. "Modelling evapotranspiration of corn (Zea mays) under different plant densities" . Journal of Hydrology, vol. 271, no. 1-4, 2003, pp. 188-196.
http://dx.doi.org/10.1016/S0022-1694(02)00347-5
---------- VANCOUVER ----------
Gardiol, J.M., Serio, L.A., Della Maggiora, A.I. Modelling evapotranspiration of corn (Zea mays) under different plant densities. J. Hydrol. 2003;271(1-4):188-196.
http://dx.doi.org/10.1016/S0022-1694(02)00347-5