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Atmospheric Measurement Techniques An interactive open-access journal of the European Geosciences Union

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Atmos. Meas. Tech., 10, 1575-1594, 2017
http://www.atmos-meas-tech.net/10/1575/2017/
doi:10.5194/amt-10-1575-2017
© Author(s) 2017. This work is distributed
under the Creative Commons Attribution 3.0 License.
Research article
25 Apr 2017
High-resolution urban observation network for user-specific meteorological information service in the Seoul Metropolitan Area, South Korea
Moon-Soo Park, Sung-Hwa Park, Jung-Hoon Chae, Min-Hyeok Choi, Yunyoung Song, Minsoo Kang, and Joon-Woo Roh Weather Information Service Engine, Hankuk University of Foreign Studies, 17035, Gyeonggi-do, South Korea
Abstract. To improve our knowledge of urban meteorology, including those processes applicable to high-resolution meteorological models in the Seoul Metropolitan Area (SMA), the Weather Information Service Engine (WISE) Urban Meteorological Observation System (UMS-Seoul) has been designed and installed. The UMS-Seoul incorporates 14 surface energy balance (EB) systems, 7 surface-based three-dimensional (3-D) meteorological observation systems and applied meteorological (AP) observation systems, and the existing surface-based meteorological observation network. The EB system consists of a radiation balance system, sonic anemometers, infrared CO2/H2O gas analyzers, and many sensors measuring the wind speed and direction, temperature and humidity, precipitation, and air pressure. The EB-produced radiation, meteorological, and turbulence data will be used to quantify the surface EB according to land use and to improve the boundary-layer and surface processes in meteorological models. The 3-D system, composed of a wind lidar, microwave radiometer, aerosol lidar, or ceilometer, produces the cloud height, vertical profiles of backscatter by aerosols, wind speed and direction, temperature, humidity, and liquid water content. It will be used for high-resolution reanalysis data based on observations and for the improvement of the boundary-layer, radiation, and microphysics processes in meteorological models. The AP system includes road weather information, mosquito activity, water quality, and agrometeorological observation instruments. The standardized metadata for networks and stations are documented and renewed periodically to provide a detailed observation environment. The UMS-Seoul data are designed to support real-time acquisition and display and automatically quality check within 10 min from observation. After the quality check, data can be distributed to relevant potential users such as researchers and policy makers. Finally, two case studies demonstrate that the observed data have a great potential to help to understand the boundary-layer structures more deeply, improve the performance of high-resolution meteorological models, and provide useful information customized based on the user demands in the SMA.

Citation: Park, M.-S., Park, S.-H., Chae, J.-H., Choi, M.-H., Song, Y., Kang, M., and Roh, J.-W.: High-resolution urban observation network for user-specific meteorological information service in the Seoul Metropolitan Area, South Korea, Atmos. Meas. Tech., 10, 1575-1594, doi:10.5194/amt-10-1575-2017, 2017.
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Short summary
The philosophy, background, and details of high-resolution urban observation network to meet the need of reducing damages caused by extreme weather phenomena such as heavy rain/snow fall, strong wind, heat/cold waves, or road ice in the Seoul Metropolitan Area (SMA), Korea (UMS-Seoul), is introduced. Two case studies demonstrate that the observed data have a great potential to help to understand the boundary-layer structures more deepl and provide useful meteorological information in the SMA.
The philosophy, background, and details of high-resolution urban observation network to meet the...
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