전남서해안(목포)지방의 안개특성에 관한 연구

김도용,이상득,김지영,우종택,오재호 한국기상학회 2006 한국기상학회 학술대회 논문집 Vol.2006 No.-

기후변화 시나리오 기반의 지역규모 온난화에 관한 연구: 목포시를 대상으로

김도용 한국환경기술학회 2019 한국환경기술학회지 Vol.20 No.3

In this study, projected regional warming in Mokpo city was investigated using RCP 4.5 and RCP 8.5 climate change scenarios. Air temperature showed decadal variations of +0.28 ℃ (RCP 4.5) and +0.66 ~ +0.69 ℃ (RCP 8.5). The temperature in the late 21st century is expected to rise 1.7 ℃ (RCP 4.5) and about 4 ℃ (RCP 8.5). Annual summer days presented decadal variations of +3.45 days (RCP 4.5) and +7.24 days (RCP 8.5). The summer days in the late 21st century are predicted to increase 20.8 days (RCP 4.5) and about 1.4 months (RCP 8.5). Annual heat wave days showed decadal variations of +3.08 days (RCP 4.5) and +9.09 days (RCP 8.5). The heat wave days in the late 21st century will be approximately 4.7 times (RCP 4.5) and 7.3 times (RCP 8.5) longer than the heat wave days in the early 21st century. Annual tropical night days presented decadal variations of +5.22 days (RCP 4.5) and +9.64 days (RCP 8.5). Compared to the tropical night days in the early 21st century, the tropical night days in the late 21st century are expected to increase approximately 3.6 times (RCP 4.5) and 3.9 times (RCP 8.5).

폐기물처리시설 주변영향지역의 대기환경평가

김도용 한국환경기술학회 2019 한국환경기술학회지 Vol.20 No.6

In this study, the assessment of atmospheric environment was performed for the neighboring areas of waste disposal facility in Mokpo city. The air pollutants(SO2, CO, NO2, PM-10, O3, Pb, Benzene) and the odor causing substances(NH3, H2S) were measured and analyzed. The concentrations of SO2 and CO represented below 10 % and 5 % of atmospheric environmental standards, respectively. NO2 concentration was evaluated about 15 % of the environmental standard. PM-10 was evaluated below 50 % of the environmental standard. O3 concentration represented about 55~82 % of the environmental standard. Pb and Benzene were not detected for all target points. The results indicate that the neighboring areas of waste disposal facility in Mokpo city are generally in the good atmospheric environmental condition. It was also suggested that the management improvement of odor should be necessary for the reduction of environmental civil appeals, although NH3 concentration was evaluated below 13 % of the permissible emission standard for odor.

기계적 합금화에 의한 Cu55Ti45 비정질합금의 제조 및 성형

김도용,윤우영 대한금속재료학회 1993 대한금속재료학회 학술대회 개요집 Vol.1993 No.1

연도교 건설이 연안지역 국지대기환경에 미치는 영향평가

김도용,김재진 한국기상학회 2016 한국기상학회 학술대회 논문집 Vol.2016 No.4

Mesoscale Simulations of Multi-Decadal Variability in the Wind Resource over Korea

김도용,김진영,김재진 한국기상학회 2013 Asia-Pacific Journal of Atmospheric Sciences Vol.49 No.2

This study investigated multi-decadal variability in the wind resource over the Republic of Korea using the Weather Research and Forecasting (WRF) mesoscale meteorological model. Mesoscale simulations were performed for the period from November 1981 to November 2010. The typical wind climatology over the Korean Peninsula, which is influenced by both continental and oceanic features, was represented by the physics-based mesoscale simulations. Winter had windier conditions with northwesterly flows,whereas less windy with southwesterly flows appeared in summer. The annual mean wind speeds over the Republic of Korea were approximately 2 m s−1 with strong wind in mountainous areas, coastal areas, and islands. The multi-decadal variability in wind speed during the study period was characterized by significant increases (positive trend) over many parts of the study area, even though the various local trends appeared depending on the station locations. The longterm trend in the spatially averaged wind speed was approximately 0.002 m s−1 yr−1. The annual frequency of daily mean wind speeds over 5 m s−1 at the turbine hub height also increased during the study period throughout the Republic of Korea. The present study demonstrates that multi-decadal mesoscale simulations can be useful for climatological assessment of wind energy potential.

CO2 탈기를 통한 PP(Porous)와 PMP(Dense) 막접촉기 성능 비교

김도용,김정 한국막학회 2023 한국막학회 총회 및 학술발표회 Vol.2023 No.11

기계적 합금화에 의한 비정질 Cu55Ti45 분말의 제조 및 성형

김도용 한국분말야금학회 2000 한국분말재료학회지 (KPMI) Vol.7 No.2

The Cu55Ti45 system was effectively mechanically-alloyed using a pulverizer. Noncrystallinities of the powders were characterized by TEM, X-ray and DSC. The amorphous powders were consolidated without losing their noncrystallinities. The consolidating conditions keeping a non-crystalline were obtained by building a TTT diagram of the amorphous powders. The microhardness of the crystallite and bulk amorphous alloys are also compared.

A Regression-Based Statistical Correction of Mesoscale Simulations for Near-Surface Wind Speed Using Remotely Sensed Surface Observations

김도용,김진영,김재진 한국기상학회 2012 Asia-Pacific Journal of Atmospheric Sciences Vol.48 No.4

Wind speed is an important meteorological variable for various scientific communities. In this study, numerical mesoscale simulations were performed over the Republic of Korea in 2006, to produce wind information distributed homogeneously with space. Then, an attempt was made to statistically correct the simulated nearsurface wind speed using remotely sensed surface observations. The weak wind season (WWS, from May to October) and strong wind season (SWS, from November to April) were classified on the basis of the annual mean wind speed. Although the spatial features and monthly variation pattern of the near-surface wind speed were reasonably simulated in the Weather Research and Forecasting (WRF)model, the simulations overestimated the observed values. To correct the simulated wind speeds, a regression-based statistical algorithm with different constants and coefficients for WWS and SWS was developed using match-up datasets of wind observations and satellitederived variables (land surface temperature and normalized difference water index). The corrected wind speeds showed reasonable performance for both WWS and SWS with respect to observed values. The monthly variation in the corrected wind speeds over the Republic of Korea also matched better with observations throughout the year, within a monthly bias range of approximately ± 0.2 m s−1. The proposed algorithm using remotely sensed surface observations may be useful for correcting simulated near-surface wind speeds and improving the accuracy of wind assessments over the Republic of Korea.

도시 캐노피 모형을 이용한 강수예측 민감도 분석

김도용 한국환경기술학회 2017 한국환경기술학회지 Vol.18 No.5

The artificial factors such as high-rise buildings, land-use and artificial heat in urban area have an effect on local precipitation. In this study, the numerical simulations using meteorological model and urban canopy model were performed in Seoul metropolitan area, and the model sensitivity of local precipitation forecasts was analyzed with urban surface information. Although the spatial distribution of simulated precipitation showed a similar pattern in the numerical experiments, the difference in sensitivity of rainfall event and local precipitation prediction by site was confirmed by numerical experiment conditions(urban type, building height and change of factors such as artificial heat). This study proposed the meteorological modelling coupled urban canopy model with urban surface information. It was also suggested that the detailed and accurate information of urban surface characteristics should be necessary for the improved local precipitation forecasts in urban area. 고층건물군, 토지이용, 인공열 등과 같은 도시지역의 인위적 요소들은 국지적 강수 발생에 영향을 미친다. 본 연구에서는 우리나라의 수도권 지역을 대상으로 중규모 기상모델에 도시 캐노피 모형을 적용한 수치모델링을 수행하고, 도시 지표 정보의 반영에 따른 국지적 강수예측 민감도를 분석하였다. 도시 캐노피 모형을 적용한 다양한 민감도 실험에서 예측강수의 공간분포 경향은 전반적으로 유사한 양상을 보였으나, 수치실험조건(도시 형태, 건물높이, 인공열 등 도시기상 영향인자 변화조건)에 따른 강수사례 및 지점별 국지적 강수예측의 민감도 차이가 확인되었다. 본 연구를 통하여, 강수예측에 있어서 도시 캐노피 모형의 적용과 이에 따른 도시 지표 정보의 고려에 의한 도시지역의 국지적 강수 예측성 향상의 가능성이 시사되었으며, 또한 도시지역의 국지적 강수예측 정확도 향상을 위해서는 상세하고 정확한 도시 지표정보의 생산 및 적용의 필요성이 제시되었다.