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Observational and modelling data help to decipher the third pole of the world by Staff Writers Beijing, China (SPX) Jun 28, 2022
The Tibetan Plateau, known as the "Third Pole" of the world, is not only the highest plateau on the Earth, but it is also considered the "Asian Water Tower". Its watershed nourishes more than ten major rivers in Asia. Like the North and South Poles, the Tibetan Plateau is also extremely vulnerable to climate change. Glaciers on it have been retreating extensively in recent decades. Atmospheric warming, circulation changes associated with increasing concentrations of greenhouse gases, aerosols in the atmosphere, and light-absorbing particles, such as black carbon and dust on snow are all contributing to glacial retreat. Recently, researchers from China, the USA and the Netherlands have curated their "Third Pole" climate studies into a special issue of Advances in Atmospheric Sciences. "This special issue focuses on the analysis of observational and modelling data to better understand the roles that the Tibetan Plateau plays in Asia's climate and even the global climate," said Prof. Chun Zhao from the University of Science and Technology of China, and one of the guest editors of the special issue. Regarding the Tibetan Plateau's future climatology as indicated in the preface of the special issue, so far, scientists have not reached a consensus on a robust method of obtaining reliable climate projections. A complete physical attribution of climate change over the Tibetan Plateau needs further analysis. The studies published in the special issue also suggest that the regional feedbacks from topography, snow cover, and the chemical-radiative-dynamical coupling processes are critical processes in climate systems. Future research should aim to better resolve these parameters to improve simulations of regional climate and air quality over the Tibetan Plateau.
Antarctic glaciers losing ice at fastest rate for 5,500 years, finds study London, UK (SPX) Jun 10, 2022 At the current rate of retreat the vast glaciers, which extend deep into the heart of the ice sheet, could contribute as much as 3.4 metres to global sea level rise over the next several centuries. Antarctica is covered by two huge ice masses: the East and West Antarctic Ice Sheets, which feed many individual glaciers. Because of the warming climate, the WAIS has been thinning at accelerated rates over the past few decades. Within the ice sheet, the Thwaites and Pine Island glaciers are particular ... read more
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