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A computer simulation of the effects of differing crop types on the water balance of small catchments over long time periods

✍ Scribed by P. J. Sellers; J. G. Lockwood

Publisher: John Wiley and Sons
Year: 2007
Tongue: English
Weight: 963 KB
Volume: 107
Category: Article
ISSN: 0035-9009
DOI: 10.1002/qj.49710745210

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✦ Synopsis

Abstract

A multilayer crop model is used to simulate the interception and evaporation of rainfall as well as transpiration loss for a pine canopy. A considerable improvement, in terms of physical realism, over the Rutter (Rutter et al. 1971) model appears to have been achieved and the results generally agree with experimental work. Simulation runs on synthetic meteorological data indicate that the Rutter model substantially underestimates the interception loss from low intensity rainstorms. the multilayer pine model, MANTA, is run with a year's data and the results compared with those from an equivalent unilayer pine and also a grass model. the results show that MANTA predicts a 20% increase in interception loss over the Rutter model estimate and that over the year the interception loss from grass is one quarter of that from pine.

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A note on the paper by P. J. Sellers and

A note on the paper by P. J. Sellers and J. G. Lockwood, ‘A computer simulation of the effects of differing crop types on the water balance of small catchments over long time periods’

✍ W. J. Shuttleworth; J. H. C. Gash; P. J. Sellers; J. G. Lockwood 📂 Article 📅 1982 🏛 John Wiley and Sons 🌐 English ⚖ 534 KB

## Abstract Arguments are presented suggesting that the difference between predicted interception loss given by the multi‐layer MANTA model and the single source Rutter model, reported by Sellers and Lockwood (1981), are primarily related to differences in the treatment of aerodynamic transfer in s