Tag Archives: Arctic

A Retrospective: Fun With Sea-Ice

At right: Portrait of the artist first writing on sea-ice; coastal Maine, January 1977 Guest essay by Caleb Shaw PART ONE Nearly forty years ago, back when nobody talked of Global Warming, I lived up on the coast of Maine … Continue reading

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Posted in Sea ice | Tagged , , | 101 Comments

It’s The Circumpolar Vortex Not The Polar Vortex And Other PR Deceptions

Note: the image below is an animation, on some browsers you may have to click on it to get it to animate. Above: Image from Unisys showing the circumpolar vortex during the last big outbreak and decay in the CONUS. … Continue reading

Posted in Climate News, media, Vortex, Weather | Tagged , , | 84 Comments

Climate as a heat engine

Guest essay by Jan Kjetil Andersen As Willis describes in his article on December 21, the atmosphere can be seen as a gigantic heat engine, i.e. a machine which convert thermal energy, namely temperature, into mechanical energy, namely wind. It … Continue reading

Posted in Earth, Energy, Global warming | Tagged , , , , , , , | 193 Comments

Nature proves Al Gore wrong again

Gore’s “ice free Arctic” prediction from five years ago, falsified by nature itself The great bloviator has been pwned again, by the actions of nature itself. In Germany, five years ago this past Saturday, Al Gore claimed that the ““Entire … Continue reading

Posted in Al Gore, Alarmism, Antarctic, Arctic, Sea ice | Tagged , , , , , , | 74 Comments

Ice melting Arctic cyclones more common than previously thought

Remember the Arctic cyclone that chopped up the Arctic sea ice in 2012, resulting in a new record low summer extent for the satellite era? It turns out they are rather common. From the AGU Fall Meeting and the Ohio … Continue reading

Posted in AGU 2013, Arctic, Sea ice | Tagged , , , , | 41 Comments

IPCC’s Report on Climate Change: Myths & Realities

A World Meteorological Organization insider’s view of the IPCC report. Guest essay by Dr. S. Jeevananda Reddy Formerly Chief Technical Advisor – WMO/UN [A note to readers: English is not Dr. Reddy’s primary language. I have made some edits to … Continue reading

Posted in Agriculture, IPCC | Tagged , , , , , , , | 51 Comments

Negative feedback? Storing CO2 in the Arctic

From the Massachusetts Institute of Technology: While the Arctic Ocean is largely a carbon sink, researchers find parts are also a source of atmospheric carbon dioxide For the past three decades, as the climate has warmed, the massive plates of … Continue reading

Posted in Carbon dioxide | Tagged , , , , , , , | 69 Comments

Methane estimates from the Arctic double, but there’s no cause for alarm

From the University of Alaska, Fairbanks Study: Arctic seafloor methane releases double previous estimates The seafloor off the coast of Northern Siberia is releasing more than twice the amount of methane as previously estimated, according to new research results published … Continue reading

Posted in Methane | Tagged , , , , , , , | 79 Comments

On data losses -vs- geography in Cowtan and Way 2013: data dropout may account for most of the recent observed differences

At Climate Audit, Roman M. has a very interesting analysis that shows the surface grid cell losses from HadCRUT4 in C&W. It hones in on the issue of why the temperature differences from 2005 are much more significant than the … Continue reading

Posted in Antarctic, Arctic, Cowtan & Way, Sea ice | Tagged , , , , , , , , | 57 Comments

Study: Greenland Ice Sheet was smaller 3000-5000 years ago than today

From the University of Buffalo Clues in the Arctic fossil record suggest that 3-5,000 years ago, the ice sheet was the smallest it has been in the past 10,000 years Summary: Ice sheets are like bulldozers. As they grow, they … Continue reading

Posted in Greenland ice sheet, Paleoclimatology | Tagged , , , , , , , | 83 Comments

Cowtan and Way – The Magician’s ‘Red Scarf Trick’ with Linear Trend Lines

Guest Post by Kip Hansen There are a lot of good, in-depth technical discussions of Cowtan and Way 2013, Coverage bias in the HadCRUT4 temperature series and its impact on recent temperature trends. This is not one of them. In … Continue reading

Posted in Cowtan & Way, Curious things, Presentations | Tagged , , , , , , , | 79 Comments

Cowtan & Way off course

By Christopher Monckton of Brenchley This time last year, as the honorary delegate from Burma, I had the honor of speaking truth to power at the Doha climate conference by drawing the attention of 193 nations to the then almost … Continue reading

Posted in COP conferences, Cowtan & Way | Tagged , , , , , , , | 177 Comments

Why The Global Warming ‘Pause’ Hasn’t Gone Away

From the GWPF By Dr David Whitehouse This new paper does not affect the fact that the temperature databases, with their own allowances for data-free regions, show no warming for 16-years, or at the very least no warming for about … Continue reading

Posted in Hiatus in Global Warming | Tagged , , , , , , , | 67 Comments

New paper: Arctic temperatures peaked before 1950, declining since

New paper using Oxygen 18 isotope tracking finds the Arctic temperatures peaked before 1950, and have been stable to declining since. Natural variability is cited as the cause. A new paper published in Climate of the Past reconstructs temperatures over … Continue reading

Posted in Arctic, Paleoclimatology | Tagged , , , , , , , | 43 Comments

Inverse Underwater Hockey Sticks?

From the University of Toronto,  Underwater ‘tree rings’ Calcite crusts of arctic algae record 650 years of sea ice change Almost 650 years of annual change in sea-ice cover can been seen in the calcite crust growth layers of seafloor … Continue reading

Posted in Arctic, Paleoclimatology | Tagged , , | 125 Comments

Cowtan and Way’s ‘pausebuster’, still flat compared to models

Steve McIntyre writes: In the context of IPCC SOD FIgure 1.5 (or similar comparison of models and observations), CW13 is slightly warmer than HadCRUT4 but the difference is small relative to the discrepancy between models and observations; the CW13 variation … Continue reading

Posted in Arctic, Climate data, Modeling | Tagged , , , , , | 95 Comments

Curry on the Cowtan & Way ‘pausebuster’: ‘Is there anything useful [in it]?”

Dr. Judith Curry writes about the Cowtan and Way paper which (according to some pundits) purports to “bust” the temperature pause of the last 17 years by claiming we just didn’t pay enough attention to the Arctic and Antarctic where … Continue reading

Posted in Hiatus in Global Warming | Tagged , , , , , | 149 Comments

Claim: Last 100 years may be warmest in 120,000 years in the Arctic, but not so fast (UPDATED)

From the University of Colorado at Boulder, comes this study about radiocarbon dating some dead moss clumps exposed from under ice/snow at 4 locations on Baffin Island that somehow proves “unprecedented” warmth for the entire Arctic for the last 120,000 … Continue reading

Posted in Arctic, Paleoclimatology | Tagged , , , | 258 Comments