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Abstract ▼ AI-Helper

One of the main issues related to the precipitation amounts measured by the Korean raingage, Chukwookee, invented by King Sejong is the discontinuity in the time series around 1907 when the modern raingage was first used in Korea. To solve this discontinuity problem Wada(1971) reproduced the Chukwoo...

One of the main issues related to the precipitation amounts measured by the Korean raingage, Chukwookee, invented by King Sejong is the discontinuity in the time series around 1907 when the modern raingage was first used in Korea. To solve this discontinuity problem Wada(1971) reproduced the Chukwookee data but many authors questioned the validity of Wada's method. In this paper we analyze the precipitation amounts in Seoul from 1771 to 1994 using the intervention model and show that Wada's method results in the overestimation of the precipitation amounts. We also propose a reproduction method by considering monthly constant and including the rainfall of less then 2 mm and the snowfall which were ignored previously.