Tag Archives: climate

Extreme tides and Winter ice

Posted on February 5, 2015 by

Figure 1. Winter ice on the salt marshes of Minas Basin photographed from Wolfville, Nova Scotia, March 1, 2007. View to the North.  What is an estuary? An estuary is a bay with an open connection to the sea. Rivers … Continue reading →

Posted in climate change, General geoscience, Nova Scotia | Tagged , , , , , , , , , , , , , , , , , , | 1 Comment

Canadian Earth Science for @PMHarper 10 – a question of Iron

Posted on January 14, 2015 by

The preamble to this review series is here —– Halverson, G.P., F. Poitrasson, P.E. Hoffman, A. Nédélec, J.-M. Montel and J. Kirby, 2011, Fe-isotope and trace element geochemistry of the Neoproterozoic syn-glacial Rapitan iron formation. Earth and Planetary Science Letters, v. … Continue reading →

Posted in Canadian Earth Science for @PMHarper, climate change, General geoscience | Tagged , , , , , , , , , , , , | Leave a comment

Canadian Earth Science for @PMHarper 9 – measuring the thickness of polar sea ice through time

Posted on November 29, 2014 by

The preamble to this reviews series, categorized as “Canadian Earth Science for @PMHarper”, is here. — de Vernal, A., R. Gersonde, H. Goosse, M.-S. Seidenkrantz, and E.W. Wolff, 2013, Sea ice in the paleoclimate system: the challenge of reconstructing sea … Continue reading →

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#Katrina10. #Louisiana is still disappearing

Posted on October 27, 2014 by

I wrote this blog post in November of 2014. I am reblogging it today, on the 10th anniversary of Hurricane Katrina. Land loss map of South Louisiana. Image source here. Click on image to enlarge.  Is it the weather? No … Continue reading →

Posted in climate change, General geoscience, Natural hazards | Tagged , , , , , , , , , , , , , , , , , , , | 2 Comments

#Women in (Earth)Science: Dr. Lui-Heung Chan (@FindingAda)

Posted on October 9, 2014 by

It’s 30 years ago this Fall that I registered for ‘Chemical Oceanography’, a graduate level class at Louisiana State University as part of my PhD program in Marine Sciences. The class was taught by Dr. Lui-Heung Chan, a quiet woman whom … Continue reading →

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Canadian Earth Science for @PMHarper 6 – Would CO2 storage in deep saline aquifers carry an environmental risk for shallow aquifers?

Posted on June 18, 2014 by

The preamble to this series is here. All reviews are stored in the category “Canadian Earth Science for @PMHarper” (see right hand column). ===== Lemieux, J.-M., 2011, (Review:) The potential impact of underground geological storage of carbon dioxide in deep saline … Continue reading →

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Canadian Earth Science for @PMHarper 4 – Ice ages and Klondike gold

Posted on April 22, 2014 by

The pre-amble to this series of reviews is here Froese, E.G., Zazula, G.D., Westgate, J.A., Preece, S.J., Sanborn, P.T., Reyes, A.V., Pearce, N.J.G., 2009, The Klondike goldfields and Pleistocene environments of Beringia. GSA Today, v. 19, no. 8, p. 4-10. … Continue reading →

Posted in Canadian Earth Science for @PMHarper, General geoscience, Geoheritage | Tagged , , , , , , , , , , , , , , , , | Leave a comment