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| http://dx.doi.org/10.1073/pnas.0913780107 | DOI Listing |
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Seasonal changes of mélange thickness coincide with Greenland calving dynamics.
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Department of Physics, Emory University, Atlanta, GA, USA.
Iceberg calving is a major contributor to Greenland's ice mass loss. Ice mélange, tightly packed sea ice and icebergs, has been hypothesized to buttress the calving fronts. However, quantifying the mélange buttressing force from field observations remains a challenge.
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Petroleum-derived contamination is a growing hazard for the Arctic Ocean and northern marine transportation corridors. In northern settings where the accessibility to oil spills can be limited, natural attenuation is the most promising remediation process. The goal of the presented research is to evaluate the impact of biodegradation on crude oil inside sea ice.
View Article and Find Full Text PDFDynamics of Gangotri Glacier, India: unravelling the influence of climatic and anthropogenic factors.
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Amrita School for Sustainable Futures, Amrita Vishwa Vidyapeetham, Amritapuri, 690525, Kerala, India.
The 'Third Pole', home to numerous glaciers, serves as vital water reserves for a significant portion of the Asian population and has garnered global attention within the context of climate change due to their highly vulnerable nature. While a general decline in global glacial extent has been observed in recent decades, the pronounced regional imbalances across the Third Pole present a perplexing anomaly. To assess the impact of glacier mass changes in the Gangotri basin, we conducted a comprehensive analysis using remote sensing data to estimate spatially resolved mass changes from 2000 to 2023.
View Article and Find Full Text PDFThe Arctic has warmed nearly four times faster than the global average since 1979, resulting in rapid glacier retreat and exposing new glacier forelands. These forelands offer unique experimental settings to explore how global warming impacts ecosystems, particularly for highly climate-sensitive arthropods. Understanding these impacts can help anticipate future biodiversity and ecosystem changes under ongoing warming scenarios.
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Department of Biology, York University, Toronto, ON, Canada.
Millions of people rely on lake ice for safe winter recreation. Warming air temperatures impact the phenology (timing of formation and breakup) and quality (ratio of black to white ice) of lake ice cover, both critical components of ice safety. Later formation and earlier breakup of lake ice lead to overall shorter periods of use.
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