Water Availability in Patuha Mountain Region Using InVEST Model "hydropower Water Yield"

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The mountainous region provides ecosystem services for the surrounding area and its lowland area. Patuha Mountain Region located in Ciwidey, Rancabali and Pasirjambu district of Bandung Regency. Fast population growth causing the need for water to increase drastically. The water yield from an ecosystem or watershed can be estimated using a hydrological model. This study aimed to estimate water yield, both the magnitude and their spatial distribution of the Patuha Mountain catchment areas. The water yield from the study area was calculated using the Integrated Valuation of Ecosystem Services and Tradeoffs (InVEST) water yield model, which based on the water balance approach. The results indicated that the volume of water yield in Patuha Mountain for 2018 has a value between 21.429 to 31.857 m3/ha/year and approximately 1.202 million m3 per year. Spatially, sub-watersheds with a high volume of Water yield located in the southeast of Patuha Mountain, which is a mountainous area with an elevation of more than 1.500 m above sea level and rainfall average of 2.500 to 3300 mm per year. The water yield area also shows the same pattern with the distribution of the rainfall area.

Original languageEnglish
Article number01015
JournalE3S Web of Conferences
Publication statusPublished - 28 Oct 2019
Event4th International Conference on Energy, Environment, Epidemiology and Information System, ICENIS 2019 - Semarang, Indonesia
Duration: 7 Aug 20198 Aug 2019


  • InVEST
  • Patuha Mountain
  • Rainfall
  • Sub-watershed
  • Water Yield


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