Tag: climate change
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Arctic snow cover shows sharp decline
Earlier spring could spell trouble for permafrost Arctic snow is fading fast. June snow cover in the Northern Hemisphere has dropped by almost 18% per decade during the past 30 years, according to a study published in Geophysical Research Letters1. The drop in snow extent will lower the amount of sunlight reflected away from the planet…
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Regime Change: Q&A with John Smol
Nature A freshwater ecologist at Queen’s University in Kingston, Ontario, Canada, Smol studies lake sediments to understand climatic and environmental change. Nature Outlook asks him to share his experience. What can we learn from lake sediments? One of the biggest challenges in environmental science is the lack of long-term data, so we have to use indirect…
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Frozen Assets
Maclean’s Ice cores tell the history of Canada’s climate, but now the government doesn’t want them anymore.
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Canada’s ice cores seek new home
Confusion over fate of valuable climate record chills researchers. An unusual ‘help wanted’ advertisement arrived in the inboxes of Canadian scientists last week. The e-mail asked the research community to provide new homes for an impressive archive of ice cores representing 40 years of research by government scientists in the Canadian Arctic. The note was sent out…
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Plants flowering later on the Tibetan Plateau
Shorter growing season linked to warmer winters on ‘the roof of the world’. In many regions, climate change has advanced the timing of spring events, such as flowering or the unfolding of leaves. But the meadows and steppes of the Tibetan Plateau are bucking that trend — plants are starting to bloom later in spring,…