SIMGRO, a GIS-Supported Regional Hydrologic Model in Irrigated Areas : Case study in Mendoza, Argentina

E.P. Querner, J.A. Morabito, D.A. Tozzi

Research output: Contribution to journalArticleAcademicpeer-review

2 Citations (Scopus)

Abstract

The SIMGRO hydrologic simulation model was extended to include irrigation practice. It could then be used to evaluate the effect of hydrologic changes in an irrigated area in the province of Mendoza, Argentina where, given an average annual rainfall of approximately 200mm , irrigation is crucial for agriculture. A storage dam was recently constructed in the Mendoza River to control the fluctuating river flow and to guarantee that the demand for water is met throughout the year. The dam will impact on parts of the irrigation system where groundwater levels are already high and salinization occurs. To evaluate these changes and possible mitigation measures, two performance indicators that consider groundwater and surface water were used: Relative evapotranspiration and the depleted fraction. Scenario runs revealed that the irrigation water losses from the canals affect the groundwater levels in the downstream part of the irrigated area; an increase in salinity was also revealed
Original languageEnglish
Pages (from-to)43-48
JournalJournal of Irrigation and Drainage Engineering-Asce
Volume134
Issue number1
DOIs
Publication statusPublished - 2008

Keywords

  • climate-change

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