Browse > Article

Spatial-Temporal Interpolation of Rainfall Using Rain Gauge and Radar  

Hong, Seung-Jin (한국건설기술연구원 수자원연구실)
Kim, Byung-Sik (한국건설기술연구원 수자원연구실)
Hahm, Chang-Hahk (인하공업전문대학 지형공간정보과)
Publication Information
Journal of Korean Society for Geospatial Information Science / v.18, no.3, 2010 , pp. 37-48 More about this Journal
Abstract
The purpose of this paper is to evaluate how the rainfall field effect on a runoff simulation using grid radar rainfall data and ground gauge rainfall. The Gwangdeoksan radar and ground-gauge rainfall data were used to estimate a spatial rainfall field, and a hydrologic model was used to evaluate whether the rainfall fields created by each method reproduced a realistically valid spatial and temporal distribution. Pilot basin in this paper was the Naerin stream located in Inje-gun, Gangwondo, 250m grid scale digital elevation data, land cover maps, and soil maps were used to estimate geological parameters for the hydrologic model. For the rainfall input data, quantitative precipitation estimation(QPE), adjusted radar rainfall, and gauge rainfall was used, and then compared with the observed runoff by inputting it into a $Vflo^{TM}$ model. As a result of the simulation, the quantitative precipitation estimation and the ground rainfall were underestimated when compared to the observed runoff, while the adjusted radar rainfall showed a similar runoff simulation with the actual observed runoff. From these results, we suggested that when weather radars and ground rainfall data are combined, they have a greater hydrological usability as input data for a hydrological model than when just radar rainfall or ground rainfall is used separately.
Keywords
Distributed Model; GDK Radar; Conditional Merging Method; Inverse Distance Weighting Method; Exponential Weighting Method; Spatial-temporal Interpolation of Rainfall;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
연도 인용수 순위
1 김병식, 홍준범, 김형수, 윤석영(2007,a), 지형분석모형과 강우레이더를 이용한 돌발홍수 모형 개발 I. 방법론 및 모형의 개발, 대한토목학회논문집, 제27권 2B호, pp.151-159.
2 Seo, D. J. (1998). "Real-time estimation of rainfall fields using radar rainfall and rain gage data.", J. Hydrol., Vol. 208, pp.37-52.   DOI
3 Sinclair, S., Pegram, G. (2004) Combining radar and rain gauge rainfall estimates for flood forecasting in south africa, Sixth International Symposium on Hydrological Application of Weather Radar, Melbourne Australia.
4 Sun, G., Amatya, D.M., McNulty, S.G., Skaggs, R.W. and Hughes, J.H. (2000), Climate change impacts on the hydrology and productivity of a pine plantation. Journal of the American Water Resources Association. Vol. 36, No.2, pp.367-374.   DOI   ScienceOn
5 Vieux, B.E. (2001), Distributed Hydrology Modeling using GIS, Water Science and Technology Library, Kluwer Academic Publishers, Dordrecht.
6 국토해양부(2005), 강우레이더에의한 돌발홍수예보시스템 개발 1차년도 보고서.
7 Ehret, U. (2002) Rainfall and flood nowcasting in small catchments using weather radar, Ph. D thesis, University of Stuttgart.
8 Brandes, E. A. (1975). "Optimizing rainfall estimates with the aid of radar.", Journal of Applied Meteorology, Vol.14, pp.1339-1345.   DOI
9 B.S. Kim, B.K. Kim, H.S. Kim(2008) Flood simulation using the gauge-adjusted radar rainfall and physics-based distributed hydrologic model, Hydrological Processes, Volume 22 Issue 22, pp.4400-4414.   DOI   ScienceOn
10 Chiles, J.P. and Delfiner, P. (1999) Geostatistic : Modelling spatial uncertainty, Wiley.
11 김병식, 홍준범, 김형수, 최규현(2007,b), 조건부 합성방법을 이용한 레이더 강우와 지상 강우자료의 조합, 대한토목학회논문집, 제27권 3B호, pp.255-265.
12 James A. Smith, Mary Lynn Baek, Katherine L. Meierdiercks, Andrew J. Miller, Witold F. Krajewski(2007), Radar Rainfall estimation for flash flood forecasting in small urban watershed, Advances in Water Resources 30, pp.2087-2097.   DOI   ScienceOn
13 Pegram, G.G.S. (2002) Spatial interpolation and mapping of rainfall: 3 Progress report to the Water Research Commission, for the period April 2001 to March 2002.
14 배덕효, 김진훈, 윤성심(2005), 레이더 추정강우의 수문학적 활용(I): 최적 레이더 강우 추정, 한국수자원학회논문집, 제38권 제12호, pp.1039-1049.   과학기술학회마을
15 배영혜, 김병식, 김형수, 서병하(2007) 칼만필터 기법에 의한 렐이더 강우의 보정 및 VfloTM 모형을 이용한 홍수 모의, 2007 대한토목학회 정기학술발표대회.
16 정영선, 임은하, 남재철(2000), 레이더 자료에 나타난 전선성 강수계의 중규모적 특성 분석, 한국수자원학회논문집, 제33권 제2호, pp.219-227.
17 홍준범, 김병식, 윤석영(2006) VfloTM모형을 이용한 물리기반의 분포형 수문모형의 정확성 평가, 대한토목학회 논문집, 제26권, 제6B호, pp.613-622.
18 김진극, 안상진 (2006), 기상레이더 강우량 산정법을 이용한 유출해석., 대한토목학회논문집, 제26권 1B호, pp.7-14.