Detection of ENSO‐influence on the monthly precipitation in South Korea

Hydrological Processes - Tập 19 Số 20 - Trang 4081-4092 - 2005
Young-Hoon Jin1, Akihiro Kawamura1, Kenji Jinno1, Ronny Berndtsson2
1Institute of Environmental Systems, Kyushu University, Fukuoka, Japan
2Department of Water Resources Engineering, Lund University, Lund, Sweden

Tóm tắt

AbstractDuring the latest several decades, there has been considerable interest in revealing the relationship between El Niño–southern oscillation (ENSO) and hydro‐meteorological variables. The oscillation is characterized by a simple index, the southern oscillation index (SOI). However, thus far, there is little evidence for the influence of ENSO in Korea and Japan. The influence of ENSO has also been studied in South Korea, but the estimated results are still qualitative and show an indirect relationship between ENSO and hydro‐meteorological variables. In this study we use simple approaches to reveal the quantitative and direct correlation between SOI and the monthly precipitation at five stations distributed over South Korea. The monthly precipitation data are transformed into nonexceedance probability time series because the data cannot be normally distributed by applying the usual transformations. The SOI is classified into five categories according to their values. Additionally, to detect the nonlinear relationship between categorized SOI and nonexceedance probability of the monthly precipitation, we use Kendall's τ, a nonparametric test. Significant correlations between the categorized SOI and the transformed precipitation are detected. Generally, the monthly precipitation is influenced by a La Niña event with a lag time of 4 months for southern coastal areas and a lag time of 5 months for middle to high regions in South Korea. Copyright © 2005 John Wiley & Sons, Ltd.

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Tài liệu tham khảo

Cha E‐J, 2000, The origin of water resources in Korea, Magazine of Korea Water Resources Association, 33, 67

10.1016/S0022-1694(97)00121-2

10.1016/0022-1694(78)90017-3

10.1029/94WR00751

10.1016/S0022-1694(01)00373-0

Hirsh RM, 1993, Handbook of Hydrology, 28

Hollander M, 1999, Nonparametric Statistical Methods, 1

Japanese Study Group for Climate & Application.1999.El Niño & global environment. Seizando Japan (in Japanese).

JinY‐H KawamuraA JinnoK.2002a.Comparison of correlation between categorized SOI and monthly precipitation at Pusan in Korea and at Fukuoka in Japan.Proceedings of Korea Water Resources Association:1251–1256.

JinY‐H KawamuraA JinnoK BerndtssonR.2002b.Comparison of monthly precipitation at Pusan Mokpo and Inchon in Korea and at Fukuoka in Japan. InProceedings of International Symposium on Lowland Technology;311–316.

10.1016/S0022-1694(97)00129-7

KawamuraA EguchiS JinnoK.2000.Cross‐correlation between southern oscillation index and precipitation/temperature in Fukuoka Japan. InProceedings of Fresh Perspectives Symposium 2000 Christchurch New Zealand.

Kawamura A, 2001, Correlation between southern oscillation and monthly precipitation in Fukuoka, Journal of Hydraulic, Coastal and Environmental Engineering, Japan Society of Civil Engineering, 691, 153

10.2208/prohe.45.169

Kawamura A, 2002, Long‐term fluctuation characteristics of Southern Oscillation, Annual Journal of Hydraulic Engineering, Japan Society of Civil Engineering, 46, 103

Kim Y‐O, 2000, Korean streamflow patterns in relation to El Niño/southern oscillation, Water Engineering Research International Journal of Korea Water Resources Association, 1, 107

Lee D‐R, 1998, Relationships of El Niño and La Niña with both temperature and precipitation in South Korea, Journal of Korea Water Resources Association, 31, 807

10.1175/1520-0493(1983)111<1998:SRBARA>2.0.CO;2

10.1016/0022-1694(95)02994-X

10.1029/2000WR900395

10.1007/s003820050165

10.1175/1520-0493(1987)115<2161:AEOTTS>2.0.CO;2

ShinH‐S.2002.Do El Niño and La Niña have influences on South Korean hydrologic properties?InProceedings of 2002 Annual Conference Japan Society of Hydrology and Water Resources;276–282.

10.1002/qj.49709139009

10.1002/hyp.1315

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Hydrological Processes

Tập 19 Số 20

4081-4092

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