Atmospheric Isotopic Hot Spots and the Great Gyres

As a final project in my recently concluded stable isotope class, I explored a gyre-related mechanism for the existence of the major “hot spots” across the Tropics and related. It may be t...

Devil’s Hole and Late Quaternary Glacial Cycles

I am revisiting some earlier work now that I’m in a formal class on isotope geochemistry.  The attached are excerpts from a 2012 poster I presented at a Fall AGU conference. Mikes excerpts PP51...

Ocean pH and NASA’s Seawater O-18 Map

A map by NASA authors [1] details sample locations used to develop the Global Seawater Oxygen-18 Database.  This relates to the Vienna Standard Mean Ocean Water (VSMOW) resource, which is a widely u...