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Evaluating The Iron Geochemistry Of Terrestrial Aerosol Sources To The Subarctic Pacific Ocean, Meg Yoder
Evaluating The Iron Geochemistry Of Terrestrial Aerosol Sources To The Subarctic Pacific Ocean, Meg Yoder
Honors Theses
Wind-blown dust and volcanic ash deposited in high nutrient, low chlorophyll (HNLC) regions can fertilize phytoplankton by providing iron and other trace nutrients, in turn impacting ecosystems as well as the global carbon and nitrogen cycles. The second largest HNLC region in the world is the northeastern subarctic Pacific. Aeolian transport to this region deposits lithogenic material including desert-derived dust from Asia, glacier-derived dust from Alaska and northwestern Canada, and volcanic ash from Eurasia and North America.
This research aims to assess the geochemistry of aerosol sources to the northeastern subarctic Pacific in relation to the biological availability of iron. …