Iron concentrations and speciation across a soil moisture and soil pH gradient in the arctic tundra and its impact on phosphate availability

Erin VanderJeugdt1, Lauren E Kinsman-Costello1, Elizabeth Herndon2,3, Michael N Weintraub4, Imtiaz Miah5 and Sumant Avasarala6, (1)Kent State University, Kent, United States, (2)Oak Ridge National Laboratory, Oak Ridge, United States, (3)University of Tennessee, Knoxville, United States, (4)University of Toledo, Environmental Sciences, Toledo, United States, (5)University of Toledo, Department of Environmental Sciences, Toledo, United States, (6)University of Tennessee, Knoxvillle, United States