• 한국지구과학회지
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• 제33권4호
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• pp.309-319
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• 2012

연안 해상 바람 자원 평가에 적용되는 해상풍 위성자료 동화특성을 평가하기 위하여 수치실험을 실시하였다. 사용된 위성자료는 미항공우주국의 QuikSCAT과 유럽우주국의 ASCAT이다. 해상풍 위성자료 동화과정은 연안지역 바람 자원 평가의 정확성을 향상시키는 주요한 요소의 하나이다. QuikSCAT의 관측 가능한 빔폭이 상대적으로 넓기 때문에 QuikSCAT 해상풍 자료를 동화하여 제시된 연안 바람장이 ASCAT를 사용한 바람장보다 약간 높은 정확도를 제시한다. 그러나 센서의 직하 부근의 바람장은 상대적으로 ASCAT의 예측 정확도가 높게 나타난다. 이러한 해상풍 위성자료의 동화효과는 6시간 정도 지속되기 때문에 정확한 연안지역 바람장을 평가하기 위해서는 센서의 공간해상도뿐 아니라 시간해상도가 높은 해상풍 위성자료 동화 과정이 필요하다.

• 한국신재생에너지학회:학술대회논문집
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• 한국신재생에너지학회 2009년도 춘계학술대회 논문집
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• pp.486-490
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• 2009

In order to investigate the offshore wind resources, the "QuikSCAT Level 3" data by the QuikSCAT satellite was analyzed from Jan 2000 to Dec 2008. QuikSCAT satellite is a specialized device for a microwave scatterometer that measures near-surface wind speed and direction under all weather and cloud conditions. Wind speed measured at 10 m above from the sea surface as extrapolated to the hub height by using the power law model. It has been found that the high wind energy prevailing in the south sea and the east sea of the Korean peninsula. From the limitation of seawater depth for piling the tower and archipelagic environment around the south sea, the west and the south-west sea are favorable to construct the large scale wind farm. Wind map and monthly variation of wind speed are investigate at the positions.

• 한국항공우주학회지
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• 제37권11호
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• pp.1121-1130
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• 2009

QuikSCAT 위성의 관측자료를 이용하여 2000년 1월로부터 2008년 12월에 걸쳐 한반도 근해의 풍력자원을 평가 하였다. QuikSCAT 위성은 초단파 scatterometer를 이용하여 해수면 가까이의 풍향과 풍속을 전천후 상태에서 측정한다. 해면으로부터 10 m 높이에서 측정된 풍속을 power law모델을 이용하여 허브 높이에 맞게 외삽 보정하였다. 계산 결과 한반도의 남해와 동해에서 풍력에너지가 상대적으로 우세하다는 것을 알 수 있었다. 풍력 터빈 타워의 설치를 위해 깊은 수심을 피하고 대규모 풍력단지 조성을 위해 남해의 다도해 지역을 피한다면 한반도 서쪽 또는 남서쪽 연안이 대규모 풍력단지 조성에 유리하나 상대적으로 낮은 풍속을 고려한 블레이드 개발을 요한다. 바람 지도를 작성하였으며, 특정 지점에 대한 월별 풍속 변화를 파악하였다. 그리고 풍력에너지 밀도를 이용한 바람장미를 파악하였다.

• 대기
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• 제19권2호
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• pp.145-154
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• 2009

This study compared the sea surface wind pattern between model results from KMA operational model (RDAPS) and retrieved results from QuickSCAT in the 2006-2007 year. The mean spatial distributions of sea surface wind of RDAPS and QuikSCAT show the prominent seasonal patterns of summer and winter season adjacent to Korean Peninsular. The magnitude of sea surface wind predicted by RDAPS is weaker than that of QuikSCAT in most north Pacific ocean. In summer of 2006 positive bias with the maximum of 1 m/s is appeared in broad region of north Pacific ocean, however. the positive bias region is decreased to small region in 2007. Even though the predicted sea wind by RDAPS is stronger(weaker) than observed one by QuikSCAT in summer (winter), the RDAPS model simulate well the sea surface wind adjacent to Korean peninsular.

• 한국환경과학회지
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• 제18권8호
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• pp.841-845
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• 2009

In this paper, offshore wind resources within the Japan's EEZ (Exclusive Economic Zone) are assessed using wind speed data from the microwave scatterometer SeaWinds onboard QuikSCAT. At first, from the 10m-height wind speed from QuikSCAT, 60 m-height wind speed is estimated by using an empirical equation for height correction. Based on the 60 m-height wind speeds, annual energy Production is calculated under an assumption of installing 2 MW wind turbines every $0.64km^2$. The annual energy production is then accumulated for the entire Japan's territorial waters and EEZ ($4.47{\times}10^6km^2$). As a result, it is shown that the total energy Production is estimated to be $4.86{\times}10^4$ TWh/yr. This offshore wind energy Potential within the EEZ is approximately 50 times higher than the actual annual electricity production in Japan.

• 대한원격탐사학회지
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• 제16권4호
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• pp.293-303
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• 2000

The typhoon Jelawat, which was formed over the tropical Pacific ocean on August 1, 2000 and made a landfall over China on August 10, 2000, was observed by Korea Multi-purpose Satellite (KOMPSAT-1) Ocean Scanning Multispectral Imager (OSMI), Tropical Rainfall Measuring Mission (TRMM)/Precipitation Radar(PR) and Quick Scatterometer (QuikSCAT). In spite of discontinuous observation, important mesoscale features of typhoon depending on life cycle were detected prominently. It is possible to distinguish on the OSMI photograph between the eye-wall convection and the stratiform and other convective clouds near the center of typhoon Jelawat. The TRMM/PR observations show quite clearly the eye-wall convection, stratiform regions, and convective bands. Vertical cross section of rainfall in the genesis stage of typhoon Jelawat exhibits circular ring of intense convection surrounding the eye. The mature stage of typhoon Jelawat consists of a strong rotational circulation with clouds which are well organized about a center of low pressure. The OSMI, TRMM/PR and QuikSCAT measurements presented here agree qualitatively with each other and provide a wealth of information on the structure of typhoon Jelawat.

• 한국해안해양공학회지
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• 제19권5호
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• pp.467-475
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• 2007

기상청 현업 모델 RDAPS 모델 자료와 QuikSCAT 관측결과 중 2005, 2006년 해상풍 자료를 비교하였다. 해상풍의 하계와 동계의 평균 공간 분포의 분석결과 한반도 주변의 계절적인 해상풍의 뚜렷한 특성을 잘 나타낸다. 모델과 관측의 해상풍 통계 분석 비교에서도 계절적인 차이를 잘 나타낸다. 한반도 주변의 하계 BIAS 값은 -0.5m/s이하의 분포를 보이고, 동계에는 -1 m/s이하의 분포를 보인다. 상관계수의 경우 하계에는 0.7, 동계에는 0.8 이상으로 분포한다. 공간적으로 평균된 상관계수의 경우 2005년, 2006년 모두 하계보다 동계에 더욱 상관관계가 높은 것으로 나타났다. 이것은 하계의 약한 풍속보다 동계의 강한 해상풍을 RDAPS에서 더 잘 재현하고 있는 것으로 판단된다.

• 한국신재생에너지학회:학술대회논문집
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• 한국신재생에너지학회 2008년도 춘계학술대회 논문집
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• pp.331-332
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• 2008

Wind energy issued as most spotlight general energy by excellence of actuality as well as economical efficiency, solving environmental problem which caused by creating the energy and possibility of eternal production. Accordingly, government is at the stage of corresponding level by requesting development of new technology to the developed countries as a part of national key industries. The grievous situation from such a rapid movement is meteorological comprehension and assessment as well as the problem of estimation exactness about the wind. In this study, we use the regional meteorological station data, automatic weather station data and QuikSCAT SeaWinds data.

• 한국태양에너지학회 논문집
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• 제23권2호
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• pp.35-41
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• 2003

In order to investigate the offshore wind resources around Korean peninsula, the "QuikSCAT Level 3" data by ADEOS II satellite was analyzed from Jan 1 2000 to Jan 18 2003. The "SeaWinds" on the satellite is a specialize4 device for microwave scatterometery that measures near-surface wind speed and direction under all weather and cloud conditions. Wind speed are extrapolated from 10m to 60m with the exponent of 1/10 in the power law model. It has been found that the High wind energy potentials are prevailing in the South sea and Southeastern end of Korean peninsula.

• 대한세포병리학회지
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• 제8권1호
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• pp.27-34
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• 1997

Pneumocystis carinli is an established cause of pulmonary infections in immuno-compromised hosts. Several cytoiogical stains, such as Papanicolaou, Gomori methenamine sliver(GMS) and Diff-Quik have been used for detection of the organism, but occasionally can be laborious and, due to a degree of nonspecificity, may be misleading. We evaluated the diagnostic utility of immunocytochenmical stains that recognize P. carinii in bornchoalveolar lavage from experimentally Induced P. carinii pneumonia rats(n=15). In audition to routine stains for diagnosis by morphologic recognition of P. carinii on Papanicolaou, GMS and Diff-Quik stains, bronchoalveolar lavage samples were reacted with immunocytochemical stains using monoclonal antibodies(MAB) 092 and 902. In bronchoalveolar lavage P. carinii organisms were detected In 9 of 10 cases(90%) using each MAB 092 and 902, whereas GMS and Diff-Quik stains demonstrated P. carinii in 13(86%) and 11(73%) of 15 cases respectively. In lung tissue specimens(n=15) P. carinii organisms were well identified on GMS stain and immunohistochemical stains using MAB 092 and 902 in ail cases. We believe that the immunocytochemical staining using MAB 092 and/or 902 is a very useful and diagnostic tool In addition to GMS and Diff-Qulk stain to detect P. carinii organisms in bronchoalveolar lavage.