globalchange  > 气候变化事实与影响
DOI: 10.5194/hess-20-193-2016
Scopus记录号: 2-s2.0-84957032894
论文题名:
Climatological characteristics of raindrop size distributions in Busan, Republic of Korea
作者: Suh S; -H; , You C; -H; , Lee D; -I
刊名: Hydrology and Earth System Sciences
ISSN: 10275606
出版年: 2016
卷: 20, 期:1
起始页码: 193
结束页码: 207
语种: 英语
Scopus关键词: Drops ; Hurricanes ; Radar ; Rain ; Size distribution ; Diurnal distributions ; Probability density function (pdf) ; Radar reflectivities ; Raindrop size distribution ; Scattering simulations ; Seasonal differences ; Specific differential phase ; Temporal and spatial scale ; Probability density function ; atmospheric convection ; climatology ; probability density function ; radar ; raindrop ; sensor ; size distribution ; spatiotemporal analysis ; typhoon ; wind direction ; Pusan [Pusan (ADS)] ; Pusan [South Korea] ; South Korea
英文摘要: Raindrop size distribution (DSD) characteristics within the complex area of Busan, Republic of Korea (35.12° N, 129.10° E), were studied using a Precipitation Occurrence Sensor System (POSS) disdrometer over a 4-year period from 24 February 2001 to 24 December 2004. Also, to find the dominant characteristics of polarized radar parameters, which are differential radar reflectivity (Zdr), specific differential phase ( K dp) and specific attenuation ( A h), T-matrix scattering simulation was applied in the present study. To analyze the climatological DSD characteristics in more detail, the entire period of recorded rainfall was divided into 10 categories not only covering different temporal and spatial scales, but also different rainfall types. When only convective rainfall was considered, mean values of mass-weighted mean diameter ( D m) and normalized number concentration ( N w) values for all these categories converged around a maritime cluster, except for rainfall associated with typhoons. The convective rainfall of a typhoon showed much smaller D m and larger N w compared with the other rainfall categories. In terms of diurnal DSD variability, we analyzed maritime (continental) precipitation during the daytime (DT) (nighttime, NT), which likely results from sea (land) wind identified through wind direction analysis. These features also appeared in the seasonal diurnal distribution. The DT and NT probability density function (PDF) during the summer was similar to the PDF of the entire study period. However, the DT and NT PDF during the winter season displayed an inverse distribution due to seasonal differences in wind direction. © 2016 Author(s).
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/78945
Appears in Collections:气候变化事实与影响

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作者单位: Department of Environmental Atmospheric Sciences, Pukyong National University, Daeyeon campus 45, Namgu, Busan, South Korea; Atmospheric Environmental Research Institute, Daeyeon campus 45, Busan, South Korea

Recommended Citation:
Suh S,-H,, You C,et al. Climatological characteristics of raindrop size distributions in Busan, Republic of Korea[J]. Hydrology and Earth System Sciences,2016-01-01,20(1)
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