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http://dx.doi.org/10.5532/KJAFM.2011.13.1.028

Mapping Monthly Temperature Normals Across North Korea at a Landscape Scale  

Kim, Soo-Ock (National Center for Agro-Meteorology, Seoul National University)
Yun, Jin-I. (Department of Ecosystem Engineering, Kyung Hee University)
Publication Information
Korean Journal of Agricultural and Forest Meteorology / v.13, no.1, 2011 , pp. 28-34 More about this Journal
Abstract
This study was carried out to estimate monthly mean of daily maximum and minimum temperature across North Korea at a 30 m grid spacing for a climatological normal year (1971-2000) and the 4 decadal averages (1971-1980, 1981-1990, 1991-2000, and 2001-2010). A geospatial climate interpolation method, which has been successfully used to produce the so-called 'High-Definition Digital Climate Maps' (HD-DCM), was used in conjunction with the 27 North Korean and 17 South Korean synoptic data. Correction modules including local effects of cold air drainage, thermal belt, ocean, solar irradiance and urban heat island were applied to adjust the synoptic temperature data in addition to the lapse rate correction. According to the final temperature estimates for a normal year, North Korean winter is expected colder than South Korean winter by $7^{\circ}C$ in average, while the spatial mean summer temperature is lower by $3^{\circ}C$ than that for South Korea. Warming trend in North Korea for the recent 40 years (1971-2010) was most remarkable in spring and fall, showing a 7.4% increase in the land area with 15 or higher daily maximum temperature for April.
Keywords
North Korea; Temperature; Digital climate map; GIS;
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Times Cited By KSCI : 7  (Citation Analysis)
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