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논문 기본 정보

자료유형
학위논문
저자정보

박예서 (공주대학교, 공주대학교 대학원)

지도교수
장은철
발행연도
2021
저작권
공주대학교 논문은 저작권에 의해 보호받습니다.

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As the emission of ozone-depleting substances (ODSs) increased in the 1960s and 1980s, Interest in the reduction of the stratospheric ozone in Antarctica has increased. In addition, Studies on the Effect of Antarctic Stratospheric Ozone on the Atmospheric Field by the annual variability of ozone concentration have also been receiving much attention. In general, when thinking of ozone destruction, ozone-depleting substances are mainly thought. However, stratospheric ozone in Antarctica is known to be more affected by temperature than ozone-depleting substances. In addition, previous studies have revealed a correlation between stratospheric ozone and stratospheric temperature in Antarctica. However, it did not provide a clear link between the stratospheric ozone and tropospheric temperatures in Antarctica in September, where ozone destruction occurs mainly. Meanwhile, the Antarctic region has a temperature pattern that is divided into east and west. We also tried to find out whether this temperature pattern is related to the spatial distribution pattern of stratospheric ozone. In this study, the spatial pattern of the Antarctic stratospheric ozone was analyzed using the ERA5 reanalysis data. And through the analysis, it was confirmed that the anomalous structure in the year when there was a lot of ozone and the year when there was less ozone spread out toward the East Antarctica with the center at the Ross Ice Shelf. Based on this, experiments that prescribed the forcing that is spatial distribution of ozone were composed, and experiments were conducted from September to March of the following year using the Global/Regional Integrated Model System (GRIMs) model. Through this, as the concentration of the stratospheric ozone in Antarctica changes with a spatial distribution, the effect on the stratosphere in Antarctica is to be investigated. And the process that the effect is affected on the troposphere is investigated. As a result, stratospheric ozone changes the temperature and geopotential height in stratosphere, changes the wind according to the geopotential height structure. And It was analyzed that material and energy exchange occurs from the stratosphere to the lower troposphere through wind, and the vertical connectivity is strengthened and affects the lower troposphere.

목차

Ⅰ. 서론 1
Ⅱ. 자료 및 연구 방법 3
2.1. GRIMs GMP 3
2.1.1 모델 준비 3
2.1.2 오존-온도 민감도 검사 4
2.1.3 모델 설정 6
2.2. 실험 설계 8
Ⅲ. 결과 12
3.1. 남극 성층권 오존의 공간적 분석 - ERA5 12
3.1.1 OM 기간의 아노말리 분석 12
3.1.2 OL 기간의 아노말리 분석 17
3.2. GRIMs GMP 앙상블 실험 결과 분석 20
3.2.1 MOMA 실험 아노말리 분석 20
3.2.2 2MOMA 실험 아노말리 분석 23
3.2.3 MOLA 실험 아노말리 분석 26
3.2.4 2MOLA 실험 아노말리 분석 29
3.3. 강제력을 준 9월 이후의 분석 32
Ⅳ. 요약 및 결론 38
참고문헌 40
ABSTRACT 41

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