Search results
25 paź 2018 · Glaciation: A Very Short Introduction offers an overview of glaciers and ice sheets as systems, considering the role of geomorphology and sedimentology in studying them, and their impacts on our planet in terms of erosional and depositional processes.
Abstract. The ‘glacial theory’ championed by Louis Agassiz in the 19th century saw the beginning of the geological community’s partial acceptance of the concept of multiple and more extensive glaciations. Formal recognition of multiple glaciations came in 1909 with Penck and Brückner’s Alpine model. Since then, research on the Earth ...
In addition to the worsening of mean climate conditions in many places, numerous studies emphasize the risks associated with increased frequency and/or magnitude of extreme events (e.g., droughts, heat waves, storms, floods), rising sea level, and glacier melting (IPCC, 2013).
27 maj 2020 · Our findings are threefold: 1) the +2 °C target is already out of reach, absent negative emissions; 2) the long-term (resp. short-term) results of climate change on economic fundamentals may lead...
The issue of fu-ture climatic impacts outside the calibration range of the function still remains. Despite different underlying methodological choices, sev-eral studies investigating future climatic damage conclude that global warming would cost only a few points of the world’s income (Tol, 2018).
Mass balance. Areas of accumulation have slower rates of movement than areas of ablation. Types of Glacial Movement. Glaciers move by a range of different processes and at different rates. Basal slip is linked to the pressure melting of ice that takes place along its base.
21 sie 2024 · A glaciation (or ice age) occurs when the Earth’s climate becomes cold enough that continental ice sheets expand, covering large areas of land. Four major, well-documented glaciations have occurred in Earth’s history: one during the Archean-early Proterozoic Eon, ~2.5 billion years ago; another in late Proterozoic Eon, ~700 million years ...
