HadGEM2-AO를 이용한 연직기온 분포와 대류권계면 높이 변화 미래전망
Vertical Distribution of Temperature and Tropopause Height Changes in Future Projections using HadGEM2-AO Climate Model
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초록
We present here the future changes in vertical distribution of temperature andtropopause height using the HadGEM2-AO climate model forced with Representative ConcentrationPathways (RCPs) scenarios. Projected changes during the 21st century are shown as differencesfrom the baseline period (1971~2000) for global vertical distribution of temperatureand tropopause height. All RCP scenarios show warming throughout the troposphere and coolingin the stratosphere with amplified warming over the lower troposphere in the NorthernHemisphere high latitudes. Upper troposphere warming reaches a maximum in the tropics atthe 300 hPa level associated with lapse-rate feedback. Also, the cooling in the stratosphere andthe warming in the troposphere raises the height of the tropopause.
Abstract
We present here the future changes in vertical distribution of temperature andtropopause height using the HadGEM2-AO climate model forced with Representative ConcentrationPathways (RCPs) scenarios. Projected changes during the 21st century are shown as differencesfrom the baseline period (1971~2000) for global vertical distribution of temperatureand tropopause height. All RCP scenarios show warming throughout the troposphere and coolingin the stratosphere with amplified warming over the lower troposphere in the NorthernHemisphere high latitudes. Upper troposphere warming reaches a maximum in the tropics atthe 300 hPa level associated with lapse-rate feedback. Also, the cooling in the stratosphere andthe warming in the troposphere raises the height of the tropopause.
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