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Tag Archives: oceanography
Extreme tides and Winter ice
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 Atlantic, Canada, climate, Climate Change, coastal zone management, earth science, energy, environment, geology, geoscience, Ice Age, Minas Basin, Nova Scotia, oceanography, Quaternary, Science, Sea Level, sedimentology, tides
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Canadian Earth Science for @PMHarper 10 – a question of Iron
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
A #tsunami is really a tidal wave, except it isn’t
Katsushika Hokusai, Great Wave off Kanagawa. Image from Wikimedia. Original in the Metropolitan Museum of Art, New York, USA This week marks the 10-year anniversary of the Great Sumatra earthquake which triggered the devastating Indian Ocean Tsunami that killed a quarter million people. … Continue reading
Canadian Earth Science for @PMHarper 9 – measuring the thickness of polar sea ice through time
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
#Women in (Earth)Science: Dr. Lui-Heung Chan (@FindingAda)
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
Posted in General geoscience, Women in geoscience
Tagged climate, Climate Change, earth science, geology, geoscience, oceanography, Science, women
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A Tidal power lagoon in Nova Scotia’s Scott’s Bay?
Nova Scotia is where I live – a 700-odd km long NE-SW peninsula that more or less parallels the edge of the continent. What (almost) separates us from that continent is the Bay of Fundy, the Canadian extent of the Gulf … Continue reading
Posted in Energy, General geoscience, Nova Scotia
Tagged Atlantic, Canada, Climate Change, earth science, energy, environment, geology, geoscience, Nova Scotia, oceanography, Science, Sea Level, tides
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Canadian Earth Science for @PMHarper 3 – the importance of finding layered oceanic crust
The preamble to this review series is here. Gillis, K.M., J.E. Snow, A. Klaus, N. Abe, A.B. Adriao, N. Akizawa, G. Ceuleneer, M.J. Cheadle, K. Faak, T.J. Falloon, S.A. Friedman, M. Godard, G. Guerin, Y. Harigane, A.J. Horst, T. Hoshide, … Continue reading
