Arctic sea ice

Riddle-me-ree/open thread

by Gareth November 4, 2011

We haven’t had an open thread for a while, and as there seems to be some desire to discuss Matt Ridley‘s recent lecture at the RSA in Edinburgh (see Bishop Hill for the first appearance thereof), here’s your chance. There’s a lot of other interesting stuff around — feel free to roam. But first, I’d [...]

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Latest Arctic Sea Ice Report

by Bryan Walker September 7, 2011

The latest from the National Snow and Ice Data Center. The graph above shows daily Arctic sea ice extent as of September 5, 2011, along with daily ice extents for previous low-ice-extent years.

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Wet, wet, wet

by Gareth July 19, 2011

Sunshine is pouring down on the Arctic, and the high summer melting season is well under way. This photograph from NASA’s Earth Observatory shows crew from the US Coast Guard cutter Healey collecting a supply drop canister from melt ponds on the surface of the ice in the Beaufort Sea during the current Icescape exercise. [...]

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The Climate Show #15: Michael Ashley and the ineducable Carter

by Gareth June 29, 2011

We thought we’d try for a record short show — and failed, because once again there was just to much to talk about. We have more on Eritrean volcanoes, extreme weather over the last 18 months, a new report on the dire state of the oceans, and Stoat’s big bet. Special guest is Professor Michael [...]

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The Climate Show #11: a trillion tonnes of trouble

by Gareth April 14, 2011

Glenn says he thinks this show’s “a cracker” (but he always says that), and despite the lack of a special star guest — though with the help of assorted luminaries from the Climate Futures Forum (David’s Karoly and Frame, Robert Gifford and Erik Conway –) we cover a huge range of issues, from Jim Hansen’s [...]

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On an island

by Gareth July 24, 2009

NASA’s Earth Observatory is without doubt one of my favourite web sites. As I write, the above view of sea ice off Baffin Island (or a version of it) is their Image of the Day, and aside from the obvious beauties of the swirls of melting sea ice (memorably described in a comment at RealClimate [...]

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Thin ice #2

by Gareth July 8, 2009

New analysis of Icesat data by a NASA team headed by Ron Kwok shows that from 2004 to 2008 Arctic winter sea ice “thinned dramatically”. Icesat measures the “freeboard” of the sea ice, the amount above water level. The graph below shows the extent of the decline, which is most marked in multi-year ice (ice [...]

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The thin ice of a new day

by Gareth July 7, 2009

The National Snow and Ice Data Centre (NSIDC) has just published its July sea ice news update on the state of the Arctic and the progress of the melt season. Under the heading Melt season in high gear, it gives an overview of June events, and the conditions at the start of the period of [...]

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Gone too soon

by Gareth June 26, 2009

The June Sea Ice Outlook forecasts for the Arctic sea ice September minimum extent have been released today by SEARCH. Most groups are picking a minimum close to last year’s 4.7m km2, but the melt season is starting with an unusually small amount of multi-year ice. The report suggests that there is “a small but [...]

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A long way from Home

by Gareth June 22, 2009

Film review corner: Dr Ron Smith, a senior lecturer at the University of Waikato and a regular contributor to Muriel Newman’s crank echochamber went to see Yann Arthus-Bertrand’s film Home earlier this month (previewed here), and was moved to provide Muriel with a review. As crank effluvia go, it’s a classic…

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