T180 Mechanistic Insights into the Biogeochemical Processes Controlling Phosphorus Transport and Cycling

Tuesday, 3 November 2015
8:00 AM - 12:00 PM
Room 343

Presentations

• 8:15 AM
  INSIGHTS INTO PHOSPHORUS CYCLING ACROSS OXIC-ANOXIC BOUNDARIES IN MARINE SYSTEMS
  Claudia Benitez-Nelson, University of South Carolina, Columbia, SC and Erin McParland, University of Southern California, Los Angeles, CA and Gordon Taylor, Stony Brook University, Stony Brook, NY and Robert C. Thunell, University of South Carolina, Columbia, SC
  266118 (Technical Sessions)
• 8:35 AM
  DNA THERMOMETRY AND O-ISOTOPIC COMPOSITION OF ORGANOPHOSPHORUS SOURCE MATERIALS:  NEW TOOLS IN THE STUDY OF BIOGEOCHEMICAL CYCLING AND TRANSPORT OF P
  Ruth E. Blake, Yale University, New Haven, CT and Alex V. Surkov, Borisoglebsk State Pedagogical Institute, Voronezh region and Lisa M. Stout, University of Delaware,, Newark, DE and Hui Li, Yale University, New Haven, CT and Deb P. Jaisi, University of Delaware, Newark, DE and Sae Jung Chang, Korea Basic Science Institute, Chungbuk
  270027 (Technical Sessions)
• 8:55 AM
  TRACE ELEMENT ASSOCIATION WITH STRUVITE DURING RECOVERY OF PHOSPHORUS FROM CONTAMINATED WATER
  Ashaki A. Rouff, Rutgers University, Newark, NJ
  265936 (Technical Sessions)
• 9:15 AM
  SURFACE ADSORPTION AND ENZYMATIC HYDROLYSIS OF POLYPHOSPHATES – IMPLICATIONS FOR UNDERSTANDING THE BIOGEOCHEMICAL CYCLING POLYPHOSPHATE
  Rixiang Huang, Atlanta, GA and Yuanzhi Tang, Georgia Institute of Technology, Atlanta, GA
  267653 (Technical Sessions)
• 9:30 AM
  KINETICS AND PATHWAYS OF PHYTATE DEGRADATION: LINKING ENZYMATIC DEGRADATION TO INCREASED ORTHOPHOSPHATE IN THE ENVIRONMENT
  Mingjing Sun, University of Delaware, Newark, DE and Jiangqi Wu, Newark, DE and Deb P. Jaisi, University of Delaware, Newark, DE
  269022 (Technical Sessions)
• 9:45 AM
  THERMODYNAMIC PREDICTIONS OF BIOAPATITE STABILITY IN ENVIRONMENTAL SYSTEMS
  Sarah W. Keenan, Saint Louis University, St. Louis, MO and Annette Summers Engel, University of Tennessee, Knoxville, TN
  268965 (Technical Sessions)
• 10:00 AM
  REMINERALIZATION OF ORGANIC PHOSPHORUS AND PRECIPITATION OF AUTHIGENIC PHOSPHATE IN THE WATER COLUMN IN THE MID-CHESAPEAKE BAY
  Jiying Li, University of Delaware, Newark, DE and Patrick N. Reardon, Pacific Northwest National Laboratory, Richland, WA and Sunendra Joshi, University of Delaware, Newark, DE and Yuge Bai, University of Delaware, Newark, DE and Kristi Bear, University of Delaware, Newark, DE and Nancy Washton, Pacific Northwest National Laboratory, Richland, WA and Deb P. Jaisi, University of Delaware, Newark, DE
  269021 (Technical Sessions)
• 10:30 AM
  COUPLED FE-P OR C-P PATHWAYS OF P CYCLING IN THE CHESAPEAKE BAY SEDIMENTS: COMPARISON OF THREE SITES WITH CONTRASTING BOTTOM WATER HYPOXIA
  Sunendra R. Joshi, University of Delaware, Newark, DE and Saswot Risal, Newark, DE and Jiying Li, University of Delaware, Newark, DE and Wei Li, Nanjing and Deb P. Jaisi, University of Delaware, Newark, DE
  270463 (Technical Sessions)
• 10:45 AM
  EFFECTS OF ZN PRESENCE ON THE STRUCTURE AND REACTIVITY OF MN OXIDES TOWARDS PHOSPHATE SORPTION
  Shiliang Zhao, Georgia Institute of Technology, Atlanta, GA and Yuanzhi Tang, Georgia Institute of Technology, Atlanta, GA
  266181 (Technical Sessions)
• 11:00 AM
  IRON-MANGANESE-PHOSPHORUS CYCLING IN SHALLOW FRESHWATER SYSTEMS UNDER ICE: THE CASE FOR PRIMING THE P PUMP
  Gregory Druschel, Indiana University - Purdue University Indianapolis, Indianapolis, IN and Andrew Schroth, University of Vermont, N/A and Courtney D. Giles, The James Hutton Institute, Dundee and Peter Isles, University of Vermont, Burlington, VT and Yaoyang Xu, University of Vermont, Burlington, VT
  270328 (Technical Sessions)
• 11:15 AM
  THE PHOSPHORUS CYCLE IN A VOLCANIC BASIN LAKE IS AFFECTED BY ELEVATED SILICA CONCENTRATIONS:  UPPER KLAMATH LAKE, OREGON
  Nancy S Simon, U.S. Geological Survey, Reston, VA and Kathryn M. Conko, U S Geological Survey, Reston, VA and Sarah Ingle, U.S. Geological Survey, Reston, VA and Kris Fischer, Klamath Tribes, Chiloquin, OR and Ahmad Abdul Ali, U.S. Geological Survey, Reston, VA
  264965 (Technical Sessions)
• 11:30 AM
  A PALEOLIMNOLOGICAL STUDY OF THE STRANGE CASE OF LONG POND (GA, USA) : HIGH PHOSPHORUS INPUTS WITH A LACK OF EUTROPHICATION
  Chris Tidwell, Georgia State University, Atlanta, GA and Matthew Waters, Valdosta State University, Valdosta, GA and Daniel M. Deocampo, Georgia State University, Atlanta, GA and Nadine Kabengi, Georgia State University, Atlanta, GA
  268703 (Technical Sessions)