Utilization of GPM Satellite Rainfall Power In Flood Discharge Modeling Using HEC-HMS Model at Bendungan Semantok
Keywords:
Discharge, GPM, HEC-HMS, Semantok DamAbstract
Climate has role important for life creature live on earth No exception role bulk Rain in field hydrology . Availability of bulk data Rain own diverse characteristics​ so that availability of adequate data become important thing​ in understand characteristics bulk rain in an area. along with development technology and research by institutions space there is Lots rain data product based the satellite launched one of them is GPM. Analysis hydrology important done For analyze description about the amount of water discharge in an area based on bulk data Rain satellite . So that need done Flood discharge analysis is one of them with use studies dam case​ Semantok . Research methods use simulation using the HEC- ResSim Research Data program obtained from bulk data Rain Global Precipitation Measurement (GPM) satellites for 20 years on the Giovanni website. Potency water availability in the area dam water catchment semantok with area that has been lineated amounting to 53.71 km2 based on from calculation of rain data GPM (Global Precipitation Measurement) satellite for 20 years from 2004 to​ with a simulated 2023 using the resulting HEC-HMS model hydrograph Q 100 Year flood with control Specification 2 days amounting to 139.1 m3/ second on January 1 2023 at 06:00, and the total outflow volume was 42.34 mm
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