Field experience with hydraulic weighing lysimeters

Christopher M.U. Neale, E. Gordon Kruse, Ronald E. Yoder

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Scopus citations

Abstract

Hydraulic weighing lysimeters can be a reliable and relatively inexpensive source of actual crop evapotranspiration (ET) data for field water use studies and crop coefficient development. However, the reliability, quality and accuracy of the data obtained with these systems will depend on the care taken in construction and installation as well as field operation and maintenance thereafter. Hydraulic weighing lysimeters have been described by Hanks and Shawcroft (1965), Tanner (1967), Dylla and Cox (1973) and McFarland et al. (1983). Several different designs and improvements have been made on these systems over the years. The data and observations in this manuscript will refer to a paired lysimeter system designed at USDA-ARS and described by Kincaid et al. (1979). The objectives of this paper are: (1) to describe field experience with hydraulic weighing lysimeters installed in the Grand Valley and San Luis Valley of Colorado; (2) discuss problems and outline proper operation and maintenance required for quality data collection.

Original languageEnglish (US)
Title of host publicationLysimeters for Evapotranspiration and Environmental Measurements
PublisherPubl by ASCE
Pages160-169
Number of pages10
ISBN (Print)0872628132
StatePublished - 1991
Externally publishedYes
EventProceedings of the International Symposium on Lysimeters for Evapotranspiration and Environmental Measurements - Honolulu, HI, USA
Duration: Jul 23 1991Jul 25 1991

Publication series

NameLysimeters for Evapotranspiration and Environmental Measurements

Conference

ConferenceProceedings of the International Symposium on Lysimeters for Evapotranspiration and Environmental Measurements
CityHonolulu, HI, USA
Period7/23/917/25/91

ASJC Scopus subject areas

  • Engineering(all)

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