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DP 2020-11: Assessing the Resurgent Irrigation Development Program of the Philippines - Water Resources Component

This study assesses the irrigation service areas of Angat-Maasim River Irrigation System (AMRIS) and Pampanga Delta Irrigation Systems (PDRIS) benchmarked against design area water availability, land use (including flood vulnerability), and status of irrigation facilities using resource assessment and watershed and irrigation modeling. The study finds that irrigation area of AMRIS fell below design area due to urbanization, lowered height of Bustos Dam, complicated by competing use of water for hydropower. Likewise, the PDRIS system only realized half of the target irrigation service area due to urbanization, flooding, and the low diversion dam height of Cong Dadong Dam. Among others, the study recommends conduct of periodic appraisal or assessment of the efficiency of irrigation water delivery operations through hydraulic model simulations to maintain and upgrade the irrigation facility as needed.

Philippine Institute for Development Studies
Authors Keywords
Tabios, Guillermo Q. III; de Leon, Tomas Paolo Z. ; irrigation system; ; irrigation water delivery operation; hydraulic model simulation;
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