POTENSI REDUKSI LIMPASAN PERMUKAAN DENGAN METODE SOIL CONSERVATION SERVICE - CURVE NUMBER DI KELURAHAN RAWA BUNTU

Steffany Trifena, Dwi Prabowo

Abstract


Development in Rawa Buntu Subdistrict caused land use change and made green space   area   in   Rawa   Buntu   Subdistrict   decreased,   so   it   could   cause   flood.   This research   was   conducted   to   know   the   potential   of   rainwater   runoff   reduction   in each type of land cover in Rawa Buntu Subdistrict to serve as the basis for better planning in the future. The Soil Conservation Service - Curve Number (SCS-CN) method   is   used   to   calculate   the   total   rainfall   runoff   that   can   be   reduced   and   to know   the   role   of   green   space   in   reducing   rainwater   runoff.   The   result   of   the research shows that residential area dominates Rawa Buntu Subdistrict about 65% and   green   space   is   only   about   18%.   The   volume   of   rainfall   runoff   that   can   be reduced   each   month   on   AMC   I,   AMC   II   and   AMC   III   is   74,4MGal,   37,8MGal and   17,9MGal   with   green   space   contribution   of   27%,   31,2%   and   36,4%   of   the total rainfall runoff that can be reduced for each AMC condition.

Keywords


Green Space, Rainwater Runoff, SCS-CN, Rawa Buntu Subdistrict, Land Cover

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DOI: http://dx.doi.org/10.26623/ijsp.v1i2.3107

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