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자료유형
학술저널
저자정보
서원석 (강릉원주대학교) 은승희 (강릉원주대학교) 김병곤 (강릉원주대학교) 성대경 (강릉원주대학교) 이규민 (강릉원주대학교) 전혜림 (강릉원주대학교) 최병철 (국립기상과학원) 고아름 (국립기상과학원) 장기호 (국립기상과학원) 양승구 (진양공업)
저널정보
한국기상학회 대기 대기 Vol.26 No.2
발행연도
2016.6
수록면
347 - 356 (10page)

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Radiosonde is an observation equipment that measures pressure (geopotential height), temperature, relative humidity and wind by being launched up from the ground. Radiosonde data which serves as an important element of weather forecast and research often causes a bias in a model output due to accuracy and sensitivity between the different manufacturers. Although Korean Meteorological Administration (KMA) and several institutes have conducted routine and intensive radiosonde observations, very few studies have been done before on the characteristics of radiosonde performance. Analyzing radiosonde observation data without proper understanding of the unique nature of those sensors may lead to a significant bias in the analysis of results. To evaluate performance and reliability of radiosonde, we analyzed the differences between two sensors made by the different manufacturers, which have been used in the campaign of Experiment on Snow Storm At Yeongdong (ESSAY). We improved a couple of methods to launch the balloon being attached with the sensors. Further we examined cloudlayer impacts on temperature and humidity differences for the analysis of both sensors’ performance among various weather conditions, and also compared daytime and nighttime profiles to understand temporal dependence of meteorological sensors. The overall results showed that there are small but consistent biases in both temperature and humidity between different manufactured sensors, which could eventually secure reliable precisions of both sensors, irrespective of accuracy. This study would contribute to an improved sounding of atmospheric vertical states through development and improvement of the meteorological sensors.

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Abstract
1. 서론
2. 분석 자료 및 방법
3. 결과
4. 결론
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UCI(KEPA) : I410-ECN-0101-2017-453-000865710