paleoclimatology, Tag

Higher reactivity could explain temperature drop before last ice age GFZ GeoForschungsZentrum Potsdam, Helmholtz Centre From time to time, there have been long periods of cooling in Earth’s history...

Guest geological perspective by David Middleton In Part 1 of this series on resolution in signal processing, we discussed the integration of high resolution instrumental temperature records and lower resolution paleoclimate...

Guest sciency schist by David Middleton Resolution vs. Detection Geoscientists in the oil & gas industry spend much of our time integrating data sets of vastly different resolutions.  Geological data, primarily well...

Guest geological note by David Middleton Most skeptics are familiar with the Warmunist efforts to erase the Medieval Warm Period and Little Ice Age. However, many skeptics may not be aware of efforts to erase another paleoclimatological...

Guest geology lesson by David Middleton What’s wrong with the following paragraph? In Late Jurassic-Early Cretaceous times, Gondwana was split apart, and as rift volcanism and sea-floor spreading developed, ocean temperatures...

Guest geology lesson by David Middleton PETM = Paleocene-Eocene Thermal Maximum Research ArticleTemporal Scaling of Carbon Emission and Accumulation Rates: Modern Anthropogenic Emissions Compared to Estimates of PETM Onset...

A new temperature reconstruction, using proxy temperature measurements from locations in central Asia, has revealed that there has been no warming in the past 432 years...

From the American Geophysical Union and the Mann-o-matic school of treemometer proxies, comes this news that on the surface looks good, but as in the case with any climate news, has disaster lurking in the future...

Guest geological storytelling by David Middleton You see the story yet? It’s all pretty much here.In a language you can’t yet understand, but it’s here.A tale of upheaval and battles won and lost.Gothic...

Mercury found in ancient rock around the world supports theory that eruptions caused ‘Great Dying’ 252 million years ago. From the University of Cincinnati: Researchers say mercury buried in ancient rock provides...

Guest post by David Middleton What rapidly wiped out Madagascar’s megafauna between 700 and 1000 AD? Climate change? Meteors? Over-hunting? President Donald J...

Sources and sinks From the UNIVERSITY OF CALIFORNIA – SANTA BARBARA For the entire history of our species, humans have lived on a planet capped by a chunk of ice at each pole...

Major tectonic collisions near the equator have caused three ice ages in the last 540 million years Over the last 540 million years, the Earth has weathered three major ice ages — periods during which global temperatures...

Researchers at the University of Bonn used drill cores to trace back the fires of the past 600,000 years – favorable climate induced growth promoting larger fuel loads was the biggest factor...

From The BBC At his laboratory in a wooded grove in northern Kyoto, Takeshi Nakatsuka holds up a vacuum sealed bag. Inside, bobbing in a bath of brown water, is a glistening disk the size of a dinner plate and the color of...