Citas bibligráficas
Arapa, J., (2023). Optimización del uso del agua con fines de riego en la UNALM, utilizando el modelo ISAREG y los SIG [Universidad Nacional Agraria La Molina]. https://hdl.handle.net/20.500.12996/6146
Arapa, J., Optimización del uso del agua con fines de riego en la UNALM, utilizando el modelo ISAREG y los SIG []. PE: Universidad Nacional Agraria La Molina; 2023. https://hdl.handle.net/20.500.12996/6146
@mastersthesis{renati/499387,
title = "Optimización del uso del agua con fines de riego en la UNALM, utilizando el modelo ISAREG y los SIG",
author = "Arapa Quispe, José Bernardino",
publisher = "Universidad Nacional Agraria La Molina",
year = "2023"
}
The objective of the research is to optimize the use of irrigation water in the fields of the National Agrarian University La Molina (UNALM), through the application of the ISAREG model and GIS geographic information systems. First, from the topography, a total area of 110,817 ha was obtained with 129 fields, grouped into 23 users, with gravity, sprinkler and localized irrigation with areas of 75,202, 17,753 and 17,863 ha. On the other hand, 77 soil pits were made with samples in three strata, 1 (0-30 cm), 2 (30-60 cm) and 3 (60-100 cm), the result of the texture analysis was: stratum 1 Sandy Clay loam and strata 2 and 3 Sandy loam. Second, using the EVAP56 model, the daily ETo was determined, then four irrigation scenarios were modeled using ISAREG: scenario 1 (MXR) optimum yield without water restriction; scenario 2 (MAD) under certain crop water stress; scenario 3 (FR7) optimum yield with irrigation restriction every 7 days and scenario 4 (FR15) optimum yield with irrigation restriction every 15 days. From the irrigation parameters modeling results, scenario 1 (MXR) is concluded as optimal, considering the ratio of relative crop yield (Ya/Ym) to evapotranspiration ratio (Eta/Etm) with final parameters of Eta=715. 06 mm/year, Etm=715.06 mm/year, Ir= 2 to 20 days and Ltr=696.16 mm/year, likewise the net demand (DN) reaches 771,417.83 m3/year and the gross demand (DB) 1'530,834.86 m3/year. Finally, the water records of the Irrigation Commission (CR-UNALM) are 1'501,828.84 m3/year, while the water programmed by the Board of Users (JU-ATE) reaches 2'481,750.00 m3/year. Finally, from the balance (DB) and the (CR-UNALM) record, there is an overall deficit of 29,006.02 m3/year; while, from the balance (DB) versus the programmed by the (JU-ATE) there would be an overall excess of 950,915.14 m3/year.
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