Category Archives: Cryosphere

Melt ponds over Arctic sea ice

By Daniela Flocco Melt ponds develop over Arctic sea ice during the melting season from the accumulation of melt water from ice and snow. These have become increasingly important over the last few decades because they have been more prevalent … Continue reading

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Polar Prediction School

By Jonny Day During the last 2 weeks Dr Jonny Day spent two weeks lecturing and coordinating a Polar Prediction School for graduate students and early career researchers. The school is a joint initiative from the World Weather Research Programme … Continue reading

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The melting of Arctic sea ice and the future of trans-Arctic shipping

By Keith Haines Most people will be familiar with news of the changing conditions in the Arctic where climate change seems to be at its fastest. The loss of sea ice each summer seems to show a rapidly declining trend, … Continue reading

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Projecting climate changes for the Earth System

By Robin Smith With the COP21 UN climate change conference going on in Paris, questions about how the global environment will change in the coming decades and what impact that will have on the people and communities that live in … Continue reading

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Sea Ice: a story of cracks

By Harry Heorton Ice, on a scale you can hold in your hands, is a brittle material. When it deforms it cracks into smaller pieces. Imagine hitting an ice cube with a hammer: lots of smaller pieces of ice. They … Continue reading

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Arctic sea ice: a cool start to spring

By Danny Feltham Typing “Arctic sea ice loss” into your web search engine will quickly reveal two things: a lot of people have written about the loss of ice; and there is a remarkable amount of commentary on what it … Continue reading

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Why Arctic melting will be erratic in the short term

By Ed Hawkins Arctic sea ice melts each summer, reaching its minimum extent some time in September, before refreezing through the winter. Over the past 35 years, the September sea ice extent has reduced by about 35% overall and this … Continue reading

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Melting of floating ice and sea level

By Remi Tailleux Sea level rise due to global warming is an important societal issue. This motivated me a few years ago to make it part of my “Introduction to Oceanography’’ module. The main effects are easy to understand. Global sea … Continue reading

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Measuring global snow mass – the MicroSnow workshop

By Mel Sandells One of the limitations for measurement of global snow mass is that the satellite observations at microwave frequencies are affected not only by how much snow is on the ground, but also the size of the snow … Continue reading

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West Antarctic ice sheet: is a collapse underway?

By David Ferreira From meteorological considerations, one would expect that, in a global warming world, the Antarctic Ice Sheet would grow. With higher temperatures, air parcels can hold more water. This effect would increase the amount of moisture delivered to Antarctica … Continue reading

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