Browse > Article
http://dx.doi.org/10.11108/kagis.2019.22.4.024

Analysis of the Cold Air Flow in Suwon for the Application of Urban Wind Corridor  

CHA, Jae-Gyu (Division of Ecosystem Assessment, National Institute of Ecology)
CHOI, Tae-Young (Division of Ecosystem Assessment, National Institute of Ecology)
KANG, Da-In (Division of Ecosystem Assessment, National Institute of Ecology)
JUNG, Eung-Ho (Dept. of Environmental Planning, Keimyung University)
Publication Information
Journal of the Korean Association of Geographic Information Studies / v.22, no.4, 2019 , pp. 24-38 More about this Journal
Abstract
Due to the dramatic spatial changes caused by industrialization, environmental problems such as air pollution and urban heat island phenomenon, etc. are occurring in cities. In this case, the wind corridor, which is a passage through which fresh and cool air generated in forests outside cities move to the downtown, can be used as a spatial planning method for improving urban environmental problems. Cold air is determined by the characteristics of the flow depending on the topography and land use of cities, and based on this, the medium- and long-term plan should be established. Therefore, this study analyzed the flow of cold air at night through the KLAM_21 model in Suwon-si, Gyeonggi-do, to prepare the basic data required to apply the wind corridors. As a result, it turned out that cold air of Suwon-si was mainly generated from Gwanggyo Mountain that is a large mountain area in the north, and flowed into the urbanization promotion area, and about three hours after sunset, cold air flowed into the downtown. By district, the depth, wind speed, and direction of the cold air layer were formed differently according to the characteristics of the topography and land use. In the areas where large forests were adjacent, the flow of cold air was active. There are three main wind corridors where cold air flows to the downtown of Suwon-si, all of which are formed around rivers. Especially, if the connection between rivers and the surrounding green areas is high, the effect of wind corridors is found to be significant. In order to utilize the wind corridors of Suwon-si, based on the results of this study, it is necessary to make climate maps through actual survey and complex analysis of cold air flow and establish mid-to-long-term plans for the conservation and expansion of major wind corridors.
Keywords
Cold Air Flow; Wind Corridor; Land Cover; KLAM_21;
Citations & Related Records
Times Cited By KSCI : 5  (Citation Analysis)
연도 인용수 순위
1 Alexandri, E., and P. Jones, 2008. Temperature decreases in an urban canyon due to green walls and green roofs in diverse climates. Building and Environment 43(4):480-493.   DOI
2 Eum, J.H. 2019. Foreign cases of reducing fine dust using wind corridor. Planning and Policy 452:13-19
3 Eum, J.H. 2019. Management strategies of local cold air in Jeongmaek for utilizing urban ventilaion corridor-A case study of the Nak-mam Jeongmaek. Journal of the Korea Association of Geographic Information Studies 22(1):154-167   DOI
4 Hathway, E.A., and S. Sharples, 2012. The interaction of rivers and urban form in mitigating the Urban Heat Island effect: A UK case study. Building and Environment 58:14-22.   DOI
5 He, B.J., 2018. Potentials of meteorological characteristics and synoptic conditions to mitigate urban heat island effects. Urban Climate 24:26-33.   DOI
6 Holmer, B., S. Thorsson, and I. Eliasson, 2007. Cooling rates, sky view factors and the development of intra-urban air temperature difference. Geografiska Annaler: Series A, Physical Geography 89(4):237-248.   DOI
7 Jackson, L.E., 2003. The relationship of urban design to human health and condition. Landscape and Urban Planning 64(4):191-200.   DOI
8 Jung, E.H., D.W. Kim, J.W. Ryu, J.G. Cha, and K.S. Son. 2008. Evaluation of spatial characteristic of wind corridor formation in Daegu area using satellite data. Journal of the Korea Association of Geographic Information Studies 11(2):73-84
9 Kazmierczak, A., and J. Carter, 2010. Adaptation to climate change using green and blue infrasturcture-A database of case studies. The University of Manchester, Manchester, UK. pp.26-34.
10 Kim, S.B., E.H. Jung, and C.W. Lee. 2007. A study on the review of legislation and practical application to establish wind corridor. Journal of Nakdonggang Environmental Research Institute 12(1):127-143
11 Kuttler, W. 2002. Local cold air and its significance for the urban climate. 4th AMS Symposium on the Urban Environment. Norfolk, pp.56-57.
12 Monteiro, M.V., K.J. Doick, P. Handley, and A. Peace, 2016. The impact of greenspace size on the extent of local nocturnal air temperature cooling in London. Urban Forestry & Urban Greening 16:160-169.   DOI
13 Ryu, J.W., E.H. Jung, D.W. Kim, J.G. Cha, and K.S. Son. 2008. A study on evaluation analysis of wind formation function using KLAM_21-The case of daegu city. Journal of the Korea Association of Geographic Information Studies 11(2):85-92
14 Smith, C., and G. Levermore, 2008. Designing urban spaces and buildings to improve sustainability and quality of life in a warmer world. Energy Policy 36(12):4558-4562.   DOI
15 Seo, B.Y. and E.H. Jung. 2017. Comparative analysis of wind flows in wind corridor based on spatial and geomorphological characteristics to improve urban thermal environments. Journal of the Korea Association of Geographic Information Studies 20(2):75-88   DOI
16 Sievers, U. 2005. Das Kaltluftmodell KLAM_21-Theoretische Grundlagen, Anwendung und Handhabung des PC-Modells, Berichte des Deutschen Wetterdienstes 227, Offenbach am Main. Deutscher Wetterdienst.
17 Sievers, U., and M. Kossmann, 2016. The cold air drainage model KLAM_21-Model formulation and comparison with observations. Weather and Climate 36:2-24.   DOI
18 Song, B.G. and K.H. Park. 2010. An analysis of cold air generation area considering climate-ecological function. Journal of the Korea Association of Geographic Information Studies 13(1):114-127   DOI
19 World Health Organization. 2016. https://www.who.int/news-room/detail/12-05-2016-air-pollution-levels-rising-in-many-of-the-world-s-poorest-cities(Accessed August 2019).
20 Song, B.G. and K.H. Park. 2013. Air ventilation evaluation at nighttime for the construction of wind corridor in urban area. Journal of the Korea Association of Geographic Information Studies 16(2):16-29   DOI
21 Yi, C.Y., J.H. Eum, Y.J. Choi, K.R. Kim, D. Scherer, U. Fehrenbach, and G.H. Kim. 2011. Development of climate analysis seoul(CAS) maps based on landuse and meteorogical model. Journal of the Korea Association of Geographic Information Studies 14(1):12-25   DOI