Open AccessThe peak runoff model based on Existing Land Use and Masterplan in Sentul City area, Bogor
Author(s) -
Asep Suheri,
Cecep Kusmana,
M. Yanuar J. Purwanto,
Yudi Setiawan
Publication year - 2019
Publication title -
iop conference series. earth and environmental science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.179
H-Index - 26
eISSN - 1755-1307
pISSN - 1755-1315
DOI - 10.1088/1755-1315/399/1/012039
Subject(s) - surface runoff , environmental science , runoff curve number , runoff model , intensity (physics) , hydrology (agriculture) , geology , physics , ecology , geotechnical engineering , quantum mechanics , biology
This research aimed to create a peak runoff mode based on existing land use (LU) and masterplan in Sentul City area. To determine the peak runoff by rational method, the study uses the formulation as follows: Q = 0.2778.C.I.A, in which Q is the peak runoff, C is the runoff coefficient of area, I is the average rain rate intensity, and A is the area of study. For recognizing the existing LU, the researcher used image analysis SPOT-6 (2017) by supervised classification. It estimated the gamma distribution parameter through the maximum likelihood method by using software QGIS 2.8, SAGA GIS, dan Arc-GIS 10.4.1. According to the analysis, the study result showed the existing LU peak runoff coefficient value and masterplan are 0.40 and 0.61, respectively, in which the difference is 0.21. The peak runoff increase is 25.32 m 3 /sec or 6,622,560 m 3 /year as the impact of land-use change.