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climate-debate

Sea Ice Model Projections In A Death Spiral! Arctic Ice Volume Holds Steady For A Decade!

by P. Gosselin, July 10, 2018 in NoTricksZone

Lately Arctic sea ice volume has been a topic which climate skeptics have been looking at quite closely.

According to Al Gore and a number of climate ambulance chasers, Arctic sea ice in late summer should have long disappeared by now, see here..

But then just a few years after, the Arctic sea ice area began to recover from its lows of 2007 and 2012. So immediately alarmists shouted that area was not really what mattered, but rather sea ice volume is what really counted. Okay, that made perfect sense. Mass is in fact what’s important, and not area, when worrying about polar ice disappearing …

better to know...?, climate-debate

Ocean Temperature – Part 1

by Irek Zawadzki, July 10, 2018 in SkepticalScience

How have we measured the temperature of the ocean’s upper layer in the last 150 years? How does understanding physical processes and observational errors help to standardise climate data and understand climate change?

Sea surface temperature (SST) is also one of the climate indices with the longest histories of direct measurements. Because ocean makes up about 70% of the total Earth’s surface, changes in the temperature of its surface are a key factor for determining the global temperature of the planet’s surface.