Tagged: NSIDC

Record Arctic Sea-ice minimum 2012 declared – it’s the Silly Season! - Hot Topic

Gareth Renowden Sep 23, 2012

In early August I posted my predictions for the “sceptical” response to the record sea ice minimum. Time to call myself to account. I had planned to do my own analysis, but John Mason at Skeptical Science has done such an excellent job of ploughing through the mountains of bullshit that I asked his permission [...] … Read More

Ice bottom blues - Hot Topic

Gareth Renowden Sep 19, 2012

According to the latest bulletin from the National Snow and Ice Data Center in the US, Arctic sea ice is likely to be at or about its minimum extent for the summer (as of Sept 17th). The animation above shows how the ice melt proceeded through the summer (up to Sept 14th), and the graph [...] … Read More

Arctic sea ice forecast: it’s going to be tough to stay cool - Hot Topic

Gareth Renowden Aug 12, 2012

Bad news from the Arctic is piling up as we head into the last few weeks of the melting season. The various measures of sea ice area, volume and extent are plummeting towards a new record minimum. I have therefore reviewed the history of Arctic sea ice melting seasons since 2007, and compiled my own [...] … Read More

Gone for good: Arctic Ocean ice free all year by the 2040s? - Hot Topic

Gareth Renowden Oct 18, 2010

A few days ago I used a combination of Arctic sea ice volume data from the University of Washington’s PIOMAS model and NSIDC sea ice extent numbers to project that the Arctic Ocean would be effectively ice-free in late summer within ten years. The key to that exercise was the rate at which the volume [...] … Read More

Monday miscellany - Hot Topic

Gareth Renowden Sep 13, 2010

I‘m going to be away from my desk for a few days this week, so here’s a few interesting things to read and reflect on. First up: Wellington’s hosting this year’s New Zealand Soil Carbon Conference at Te Papa from Wednesday to Friday. Keynote speakers are Tim Flannery and Christine Jones, and topics to be [...] … Read More

Third - Hot Topic

Gareth Renowden Sep 18, 2009

The National Snow and Ice Data Centre announced today that this year’s Arctic sea ice minimum extent was likely to have been reached on September 12. It’s the third lowest minimum in the record, behind 2007 and 2008. The image at left shows this year in white, compared with 2007 in darker colours. From the [...] … Read More