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Session No. 306: T110. Coupled Redox–Organic Interactions in the Critical Zone: From Pore Scale Reactions to Landscape Scale Processes
Session Chairs:
Harshad Kulkarni | Environmental Engineering, Indrayudh Mondal | Earth and Planetary Sciences, Bibhash Nath, Joe Yelderman | Department of Geosciences, Saugata Datta | Earth and Planetary Sciences
Description:
Session explores how coupled redox processes and natural organic matter interactions regulate biogeochemical transformations across the critical zone, linking mechanistic pathway to predictive models of nutrient fluxes and trace-element mobility in soil, sediment, groundwater systems.
Presentations
| Paper No. | Title | Presenting Author | Start Time | End Time | Item Duration (min) | Action | Introductory Remarks | 08:00 AM | 08:05 AM | 5 min | 306-1 | Impact of Land Use/Land Cover Practices and Configuration on Freshwater Salinization Syndrome Solute and Nutrient Export in Two Suburban Headwater Streams | Nicholas Salanitri | 08:05 AM | 08:20 AM | 15 min | View | 306-2 | Comparison of Land Use/Land Cover Effects on Streamflow Variation in the Piedmont and Coastal Plain Physiographic Provinces of the Southeastern United States | Mayowa Jimoh | 08:20 AM | 08:35 AM | 15 min | View | 306-3 | Summer Water Pollution Trends of an Urban Ohio Stream | Emerald Goldbaum | 08:35 AM | 08:50 AM | 15 min | View | 306-4 | What Controls the Longitudinal Trends in 129I/I Ratios along the Upper Wabash River, IN, USA? Lithology, Nuclear Fallout, or Dietary Iodine in Wastewater? | W.M. Srilani Wickramasinghe | 08:50 AM | 09:05 AM | 15 min | View | 306-5 | Hydrogeochemical characterization of Helotes Creek Watershed in south-central Texas | SAUGATA DATTA | 09:05 AM | 09:20 AM | 15 min | View | 306-6 | Global spatial prediction modeling of groundwater manganese | Joel Podgorski | 09:20 AM | 09:40 AM | 20 min | View | 306-7 | An Integrated Critical Zone Perspective on Groundwater Dynamics and Hydrogeochemical Evolution in Guwahati City, India | Bibhash Nath | 09:40 AM | 09:55 AM | 15 min | View | Break | 09:55 AM | 10:05 AM | 10 min | 306-8 | Muck Matters in the Critical Zone: Greenhouse Gas Production Potential of Flocculent Organic Sediments | Nudrat Fatima | 10:05 AM | 10:20 AM | 15 min | View | 306-9 | A New Multipurpose Grass Waterway that Uses the Natural Landscape for Nitrate Reduction | Keith Schilling | 10:20 AM | 10:35 AM | 15 min | View | 306-10 | Source-to-sink evolution of lithogenic assemblages in a Himalayan river and its implications for arsenic transport | Rajat Dhiman | 10:35 AM | 10:50 AM | 15 min | View | 306-11 | Long-term decline in groundwater redox potential reveals heterogeneous mobilization of redox-sensitive trace elements across Mexico | Sachin TRIPATHI | 10:50 AM | 11:05 AM | 15 min | View | 306-12 | The Shifting Redox Landscape: Connecting Legacy and Emerging Contaminants in a Changing Water Cycle | Manish Kumar | 11:05 AM | 11:25 AM | 20 min | View | 306-13 | Hydrodynamic and Geochemical Controls on Organic Matter Preservation in Sediments on a Tropical Mangrove | Rahmatoulaye Diop | 11:25 AM | 11:40 AM | 15 min | View | 306-14 | Redox Processes and Water–Rock Interactions Governing Arsenic and Fluoride Co-Occurrence in a Semi-Arid Volcanic Aquifer | SAUGATA DATTA | 11:40 AM | 11:55 AM | 15 min | View | Concluding Remarks | 11:55 AM | 12:00 PM | 5 min |
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Coupled Redox–Organic Interactions in the Critical Zone: From Pore Scale Reactions to Landscape Scale Processes
Description
Date and Time: Wednesday, 14 October - 8:00 AM (Mountain Time (US & Canada))
Room: CCC, 113
Session Type: Topical Sessions
Session Format: Oral
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