High and Low Iron Upwelling and Corresponding Shifts in the Diatom Community
						 
					
					
					
	Sveinn V Einarsson1, Zuzanna M Abdala1, Kimberly Powell1, Claire P. Till2 and Dreux Chappell3, (1)Old Dominion University, Ocean, Earth, and Atmospheric Sciences, Norfolk, VA, United States, (2)Humboldt State University, Chemistry, Arcata, CA, United States, (3)Old Dominion University, Ocean, Earth and Atmospheric Sciences, Norfolk, VA, United States