Role of Dissolved Organic Matter and Geochemical Controls on Arsenic Cycling from Sediments to Groundwater along the Meghna River, Bangladesh: Tracking possible links to permeable natural reactive barrier

Michelle Berube1, Saugata Datta2, Peter Knappett3, Harshad Vijay Kulkarni4, Michaeal Vega1, Katrina Jewell5 and Kimberly Myers6, (1)Kansas State University, Department of Geology, Manhattan, KS, United States, (2)The University of Texas at San Antonio, Department of Earth and Planetary Sciences, San Antonio, United States, (3)Texas A&M University, Department of Geology and Geophysics, College Station, TX, United States, (4)University of Texas at San Antonio, Department of Earth and Planetary Sciences, San Antonio, United States, (5)Texas A&M University, College Station, United States, (6)Texas A&M University College Station, Geology and Geophysics, College Station, TX, United States