climate zones
illconsidered | September 6, 2012We have another climate metric to add to W/m^2 (climate forcing), GT/year (CO2 emissions), mm/year (sea level rise) and oC/decade (temperature change) and that would be m/day.
Meters per day is for tracking how quickly climatic zones will move as a result of man-made climate change and it is actually an astonishingly high number. David Appell at Quark Soup uses some rough numbers and comes up with a figure of 8 metres/day over the last 20 years. He bases this calculation on an article in the Scientific American (sounds like an oxymoron these days!) by Ken Caldiera who looks at the average…