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- W1966712875 abstract "본 연구는 미 계측유역이나 자료가 결핍된 유역에서 지리정보시스템을 이용하여 지형학적 순간단위도(GIS-GIUH)를 해석하는데 목적이 있으며, IHP 위천대표시험유역의 6개지점(동곡, 고로, 미성, 병천, 효령, 무성)에 대하여 강우-유출해석을 실시하였다. 지형학적 순간단위도의 분석에는 본 연구에서 제안한 GIS-GIUH 모형과 Rosso-GIUH 모형을 이용하여 계산된 결과를 실측유출수문곡선과 비교하였다. 분석결과 GIS-GIUH 모형이 Rosso-GIUH 모형보다 실측수문곡선에 더욱 접근하여 우수한 결과를 보이고 있었으며, GIS-GIUH 모형의 매개변수인 N=3.25( <TEX>$R_{B}$</TEX>/ <TEX>$R_{A}$</TEX>)<TEX>$^{0.126}$</TEX> <TEX>$R_{L}$</TEX><TEX>$^{-0.055}$</TEX>과 K=1.50( <TEX>$R_{A}$</TEX>/( <TEX>$R_{B}$</TEX>. <TEX>$R_{L}$</TEX>))/<TEX>$^{0.10}$</TEX>.(( <TEX>$L_{{Omega}}$</TEX>+ <TEX>$L_{{Omega}-1}$</TEX>)/V)<TEX>$^{0.37}$</TEX>을 지형특성의 관계식으로 제시하였다. 본 연구에서 개발한 GIS-GIUH 모형이 미계측 유역에서 적용 가능성이 높은 것으로 판단되었다.되었다. This study aims at the analysis of the geomorphological instantaneous unit hydrograph model (GIS-GIUH) with geographic information system for the rainfall-runoff analysis of watershed which is ungaged or doesn't have sufficient hydrologic data. The rainfall-runoff analysis was performed in Wi stream(Dongkok, Koro, Miseung, Byeungchun, Hyoreung, Museung) which is a representative experimental river basin of IHP. In the process of analysis of the GIUH model, developed GIS-GIUH model and Rosso-GIUH model were applied the study basin and computed hydrographs by these models were compared with observed hydrograph. The GiS-GIUH model shows more closely to the observed hydrograph than Rosso-GIUH model in the peak discharge of the hydrograph. For the development of the GIS-GIUH model, Gamma function factor N was given by N=3.25( <TEX>$R_{B}$</TEX>/ <TEX>$R_{A}$</TEX>)<TEX>$^{0.126}$</TEX> <TEX>$R_{L}$</TEX><TEX>$^{-0.055}$</TEX>, which is the relation of the watershed geomorphological factor, K was also obtained as K=1.50( <TEX>$R_{A}$</TEX>/( <TEX>$R_{B}$</TEX>. <TEX>$R_{L}$</TEX>))/<TEX>$^{0.10}$</TEX>.(( <TEX>$L_{{Omega}}$</TEX>+ <TEX>$L_{{Omega}-1}$</TEX>)/V)<TEX>$^{0.37}$</TEX>. As the results of analysis, it was found that GIS-GIUH model can be applied to an ungaged watersheds.eds." @default.
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- W1966712875 date "2002-06-01" @default.
- W1966712875 modified "2023-09-26" @default.
- W1966712875 title "Analysis of GIUH Model by Using GIS in River Basin" @default.
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- W1966712875 doi "https://doi.org/10.3741/jkwra.2002.35.3.321" @default.
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