Now showing items 1-2 of 2

    • A new Holocene eruptive history of Erebus volcano, Antarctica using cosmogenic 3He and 36Cl exposure ages 

      Parmelee, David E. F.; Kyle, Philip R.; Kurz, Mark D.; Marrero, Shasta M.; Phillips, Fred M. (Elsevier, 2015-09-05)
      The ages of recent effusive eruptions on Erebus volcano, Antarctica are poorly known. Published 40Ar/39Ar ages of the 10 youngest “post-caldera” lava flows are unreliable because of the young ages of the flows (<10 ka) and ...
    • The subtropical nutrient spiral 

      Jenkins, William J.; Doney, Scott C. (American Geophysical Union, 2003-12-04)
      We present an extended series of observations and more comprehensive analysis of a tracer-based measure of new production in the Sargasso Sea near Bermuda using the 3He flux gauge technique. The estimated annually averaged ...