News tagged with climate variability

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Planning in the near term for climate change

When scientists talk about climate change, they usually mean significant changes in the measures of climate over several decades or longer. Climate variability generally refers to seasonal changes over a year or so.

dateJun 27, 2013 in Earth Sciences
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Macroweather is what you expect

While short-term weather is notoriously volatile, climate is thought to represent a kind of average weather pattern over a long period of time. This dichotomy provides the analytical framework for scientific thinking about ...

dateFeb 25, 2013 in Earth Sciences
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Climate and drought lessons from ancient Egypt

Ancient pollen and charcoal preserved in deeply buried sediments in Egypt's Nile Delta document the region's ancient droughts and fires, including a huge drought 4,200 years ago associated with the demise of Egypt's Old Kingdom, ...

dateAug 16, 2012 in Earth Sciences
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Arctic ice melt sets stage for cold weather

(Phys.org) -- The dramatic melt-off of Arctic sea ice due to climate change is hitting closer to home than millions of Americans might think. That's because melting Arctic sea ice can trigger a domino effect leading to increased ...

dateJun 06, 2012 in Earth Sciences
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