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양산천의 (梁山川) 부착규조군집에 (附着珪藻群集) 대한 연구
김맹기,김종원,이학영 ( Maeng Ki Kim,Jong Won Kim,Hak Young Lee ) 한국하천호수학회 1992 생태와 환경 Vol.25 No.1
Communities of periphytic diatoms in Yangsan stream were investigated from September 1989 to August 1990. A total of 122 taxa of periphytic diatoms belonging to 39 genera, 104 species, 16 varieties and 2 forms were identified. The number of species was more in fall and winter than in spring and summer and the important dominant species were Nitzschia palea, Cocconeis placentula, and Navicula cryptocephala. The mean of annual species diversity was 3.01 and the saprobity was oligosaprobity. Evenness showed decreasing tendency from upper reaches to lower reaches of Yangsan stream. There were no differences in similarity indices among sampled stations. Correlation coefficient was relatively high between dominancy and diversity, dominancy and evenness, and diversity and evenness.
RCP 시나리오에 근거한 고해상도 미래 풍력 기상자원 분석
임윤정(Yun-Jung Lim),김선애(Seonae Kim),장동호(Dong-Ho Jang),박종철(Jongchul Park),김연희(Yeon-Hee Kim),김백조(Baek-Jo Kim),김맹기(Maeng-Ki Kim) 건국대학교 기후연구소 2016 기후연구 Vol.11 No.1
We developed the Parameter-elevation Regressions on Independent Slopes Model(PRISM)-based Dynamical downscaling Error correction(PRIDE)-Wind speed(WS) model version 3.0 to produce highresolution(1km) grid data at a monthly time scale by using observation and Regional Climate Model(RCM) wind speed data. We consequently produced monthly wind speed grid data during the observation period(2000~2014) and the future period(2021~2100) for Representative Concentration Pathway(RCP) 2 type scenarios by using the PRIDE-WS model. The PRIDE-WS model is constructed by combining the MK(Modified Korean)-PRISM-Wind, the RCM anomaly and Cumulative Density Function(CDF) fitting, basically based on Kim et al.(2016)’s algorithm applied for daily precipitation. The upper level wind(80m altitude) was estimated by Deacon equation using surface wind speed that was produced by the PRIDE-WS model. The results show that the wind speed at the upper level generally increased during the summer season while it decreased during the spring, autumn and winter seasons.