Category Archives: Climate Change

September global temperature falls 0.08C from August

Global temperatures for September 2018 were 0.61C based on merging GHCNV3 with HadSST3 and using spherical triangulation. This is a fall of  0.08C since August. The baseline for temperature anomalies is always 1961-1990. The annual average so far (9 months) … Continue reading

Posted in AGW, Climate Change | Tagged | 21 Comments

The Milankovitch Puzzle

The main focus in understanding Glacial cycles has been on the maximum summer insolation at 65N, yet prior to MPT (Mid Pleistocene Transition) all glaciations simply followed the obliquity cycle. To understand why obliquity is the underlying metronome, we need … Continue reading

Posted in Climate Change, Ice Ages | Tagged | 10 Comments

Ice Age insights

The discussion on the ‘dust’ theory of ice age termination at Judith Curry brought a couple of other interesting papers to light. This has started me thinking again about how recent deep glaciations terminate. Such glacial cycles apparently now only … Continue reading

Posted in Climate Change, Ice Ages | Tagged , | 5 Comments