Hydrologic Balance Model Using Neutron Probe Data
- 1 November 1988
- journal article
- Published by American Society of Civil Engineers (ASCE) in Journal of Irrigation and Drainage Engineering
- Vol. 114 (4) , 644-663
- https://doi.org/10.1061/(asce)0733-9437(1988)114:4(644)
Abstract
A hydrologic balance model has been developed that employs neutron probe readings for soil moisture content coupled with measured amounts of precipitation and irrigation. The major objective of the model is to estimate evapotranspiration over time periods corresponding to the frequency of neutron probe readings. Earlier versions of the model were successfully applied to determine differentials of evapotranspiration over limited horizontal distances in crop water production function field experiments. The current version of the model was specifically developed for application in a regional evapotranspiration experiment requiring model flexibility to respond to a wide range of hydrologic conditions. Example output from the model applied to the regional evapotranspiration experiment is indicated. A scheme for testing parameterization of various components of the hydrologic cycle using the model is presented.Keywords
This publication has 8 references indexed in Scilit:
- Analysis of Evapotranspiration as a Regionalized VariablePublished by Elsevier ,1987
- HAPEX—MOBLIHY: A Hydrologic Atmospheric Experiment for the Study of Water Budget and Evaporation Flux at the Climatic ScaleBulletin of the American Meteorological Society, 1986
- Techniques for Estimating Irrigation Water RequirementsPublished by Elsevier ,1983
- New Evapotranspiration Crop CoefficientsJournal of the Irrigation and Drainage Division, 1982
- Evaporation into the AtmospherePublished by Springer Nature ,1982
- On Penman's equation for estimating regional evaporationQuarterly Journal of the Royal Meteorological Society, 1977
- Mechanical balance-electrical readout weighing lysimeterBoundary-Layer Meteorology, 1971
- De l'utilisation de la voie veineuse en médecineTransfusion, 1960