Spatial and temporal characteristics of tropical nights in Seoul
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Spatial and temporal characteristics of tropical nights in Seoul Haiyan Zheng & Jinhang Yu & Joongbin Lim & Kyoo-seock Lee
Received: 3 March 2020 / Accepted: 14 September 2020 # Springer Nature Switzerland AG 2020
Abstract We examined the spatial and temporal characteristics of tropical nights (TNs) in Seoul to determine whether land use factors increase the frequency of TN. The number of TN was derived using data from 23 Automatic Weathering Stations (AWS) in Seoul for 1998–2006, and 26 AWS in Seoul and nine Gangnamgu stations for 2007–2013. The results show that the number of TN recorded in the Seoul Automatic Synoptic Observation System (ASOS) gradually increased from 1971 to 2013. TN occurred most frequently in early August, followed by mid-August, late July, late August, mid-July, early July, early September, and midSeptember. The largest annual average difference occurred between Gangnam Station and Yeomgokdong, in spite of the short physical distance (4.5 km) between two stations at Gangnam-gu. There were more TNs at
H. Zheng School of Economics, Harbin University of Commerce, Harbin, China J. Yu Patent Examination Cooperation Hubei Center of the Patent Office, CNIPA, No. 1 Shen Dun 3rd Road, East Lake High-Tech Development District, Wuhan, Hubei Province, China J. Lim Division of Global Forestry, Department of Forest Policy and Economics, National Institute of Forest Science, Seoul 02455, South Korea K.
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