data and observations, Tag

  • by Javier A possible mechanism for the effect of solar variability on climate, whereby solar variability acts over the stratospheric pressure system transmitting the changes top-down, and over ocean temperatures bottom-up...
  • by Javier In Part A, we established the existence of a ~ 2400-year climate cycle, discovered in 1968 by Roger Bray. This climate cycle correlates in period and phase with a ~ 2400-year cycle in the production of cosmogenic...
  • By Javier The existence of a ~ 2400-year climate cycle, discovered in 1968 by Roger Bray, is supported by abundant evidence from vegetation changes, glacier re-advances, atmospheric changes reflected in alterations in wind...
  • by Javier The Neoglacial has been a period of progressive cooling, increasing aridity, and advancing glaciers, culminating in the Little Ice Age. The main Holocene climatic cycle of ~ 2400 years delimits periods of more stable...
  • by Javier Vinos First in a two part series on Holocene climate variability. Summary: Holocene climate is characterized by two initial millennia of fast warming followed by four millennia of higher temperatures and humidity,...
  • by Turbulent Eddie Adjusted USHCN data indicate a decrease in CONUS hot days TMAX >= 100°F As part of his 2016 testimony to Congress, Dr. John Christy presented this chart: Figure 1. The average number of 100°F days...
  • by Judith Curry Two new papers have focused on the quality, uncertainties and  interpretation of global sea surface temperature data. A call for new approaches to quantifying biases in observations of sea-surface temperature...
  • by Monte Naylor A comparison of NOAA-computed temperature trends with the “raw” historical temperature data. The global historical surface temperature record is presented as the fundamental evidence for global...
  • by John Bates A look behind the curtain at NOAA’s climate data center. I read with great irony recently that scientists are “frantically copying U.S. Climate data, fearing it might vanish under Trump” (e.g., Washington...
  • by Judith Curry Not surprisingly, John Bates’ blog post and David Rose’s article in the Mail on Sunday have been receiving some substantial attention...
  • by Judith Curry 30 year trends of temperature are shown to be lower, using well-sited high quality NOAA weather stations that do not require adjustments to the data...
  • by Tony Brown Over the last 15 years interesting things have been happening at CET-the world’s longest instrumental record, dating to 1660. It was partly as a result of watching its evolution that I decided to try to reconstruct...
  • 400(?) years of warming Tue, 17 Nov 15, 5:41am
    by Judith Curry So, exactly how long has it been warming? The IPCC AR5 made a very strong statement regarding the attribution of recent climate change: It is extremely likely that more than half of the observed increase in...
  • by Judith Curry The scientific and political controversies surrounding the hiatus have continued to heat up. Lets take a look at ALL the global temperature data sets. So, what is the ‘hiatus’ or ‘pause’ or ‘slowdown’,...
  • Hiatus revisionism Fri, 18 Sep 15, 3:03am
    by Judith Curry Some interesting new papers on the hiatus in global warming. I have been expecting to start seeing papers on the ‘hiatus is over.’ Instead I am seeing papers on ‘the hiatus never happened.’...
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