High-resolution CMIP6 analysis highlights emerging climate challenges in alpine and Tibetan Tundra zones

IF 2.3 4区 地球科学 Q3 METEOROLOGY & ATMOSPHERIC SCIENCES
Bijan Fallah, Masoud Rostami, Iulii Didovets, Zhiwen Dong
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引用次数: 0

Abstract

We employ a high-resolution Köppen climate classification dataset to examine shifts in Tundra zones within the Alps and Asia. Our analysis shows substantial reductions in Tundra areas by the mid-21st century under different Shared. Socioeconomic pathways (SSP1-2.6, SSP3-7.0, SSP5-8.5). Tundra zones in the Alps and the Tibetan Plateau are crucial for their unique climates and role as water reservoirs. Characterized by short, mild summers and long, severe winters, these zones are vital for the glaciers and perennial snow. The projected climate instability may significantly reduce alpine snow cover by mid-century with irreversible consequences. A 2°C temperature increase from the 1981–2010 baseline could eliminate the Tundra climate in the Alps and reduce it by over 70% in Asia. This is particularly concerning given that rivers from the Tibetan Plateau sustain nearly 40% of the global population.

Abstract Image

高分辨率 CMIP6 分析凸显高寒地带和西藏冻土带新出现的气候挑战
我们利用高分辨率柯本气候分类数据集来研究阿尔卑斯山和亚洲苔原带的变化。我们的分析表明,在不同的共享条件下,到 21 世纪中叶,冻原面积将大幅减少。社会经济路径(SSP1-2.6、SSP3-7.0、SSP5-8.5)。阿尔卑斯山和青藏高原的冻土带因其独特的气候和蓄水作用而至关重要。这些地区的特点是夏季短暂而温和,冬季漫长而严酷,对冰川和常年积雪至关重要。预计到本世纪中叶,气候的不稳定性可能会大大减少高山积雪,造成不可逆转的后果。与 1981-2010 年基线相比,气温上升 2°C 就会使阿尔卑斯山脉的苔原气候消失,亚洲的苔原气候则会减少 70% 以上。鉴于青藏高原的河流养活了全球近 40% 的人口,这一点尤其令人担忧。
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来源期刊
Meteorological Applications
Meteorological Applications 地学-气象与大气科学
CiteScore
5.70
自引率
3.70%
发文量
62
审稿时长
>12 weeks
期刊介绍: The aim of Meteorological Applications is to serve the needs of applied meteorologists, forecasters and users of meteorological services by publishing papers on all aspects of meteorological science, including: applications of meteorological, climatological, analytical and forecasting data, and their socio-economic benefits; forecasting, warning and service delivery techniques and methods; weather hazards, their analysis and prediction; performance, verification and value of numerical models and forecasting services; practical applications of ocean and climate models; education and training.
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