Opposite trends in summer precipitation in South and North Korea

被引:19
作者
Kim, Yeonjoo [2 ]
Kang, B. [3 ]
Adams, J. M. [1 ]
机构
[1] Seoul Natl Univ, Sch Biol Sci, Seoul 151, South Korea
[2] Korea Environm Inst, Korea Adaptat Ctr Climate Change, Seoul, South Korea
[3] Dankook Univ, Dept Civil & Environm Engn, Yongin, Gyeonggi Do, South Korea
关键词
precipitation; feedbacks; monsoon; climate trends; South Korea; North Korea; EAST-ASIA; GPCP;
D O I
10.1002/joc.3392
中图分类号
P4 [大气科学(气象学)];
学科分类号
0706 ; 070601 ;
摘要
We analysed daily precipitation data at the rain gauge stations in North Korea over a period of 25 years from 1983 to 2007, and in South Korea over a period of 35 years from 1973 and 2007. We found a striking trend of decreasing summer precipitation across North Korea. By contrast, in South Korea, the trend is opposite: there is a major increase in summer precipitation. Also, the number of dry days in summer showed an increasing trend in North Korea and a decreasing trend in South Korea. For the number of days with heavy precipitation (i.e. days with above 50 mm/day daily precipitation) during summer, a decreasing trend was detected in North Korea, but no trend in South Korea. However, in South Korea, there was a significant increase of days with heavy precipitation over the whole year. These opposite trends in summer precipitation between North and South Korea were further confirmed using four global/regional satellite and rain gauge datasets of CPC Merged Analysis of Precipitation (CMAP), the Global Precipitation Climatology Project (GPCP), Precipitation REConstruction over the Land (PREC/L), and the Asian Precipitation-Highly Resolved Observation Data Integration Towards the Evaluation of Water Resources (APHRODITE). Copyright (c) 2011 Royal Meteorological Society
引用
收藏
页码:2311 / 2319
页数:9
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