B21F:
Gas Fluxes from and into Inland Waters: Scaling Based on Hydrodynamics and Biogeochemistry I Posters

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Session ID#: 13223

Session Description:
Importance of connections between land and associated freshwaters are becoming more apparent for understanding the dynamics of carbon in inland waters. Rates of lateral transport determine timescales of loading, remineralization, mobilization and release of climate forcing gases. Definition of the physical and biological controls on greenhouse gas (GHG) emissions enables scaling for regional or global carbon budgets. Timeseries measurements of concentrations and fluxes of GHGs coupled with meteorology and physical limnology illustrate the importance of physical controls such as stratification, heat, momentum flux, and mixing dynamics. Modeling and analytical capacities are keeping pace. New tools and approaches have enabled seasonal, regional, and longer term measurements and analyses. These allow results to be placed in the context of variability within the climate system. Presentations are invited which examine linkages between measurements of GHGs and the physical hydrodynamics that define the variability of fluxes with surface waters at local to regional scales.
Primary Convener:  Patrick M Crill, Stockholm University, Dept. of Geological Sciences and Bolin Centre for Climate Research, Stockholm, Sweden
Conveners:  Sally MacIntyre, University of California Santa Barbara, Marine Science Institute, Santa Barbara, CA, United States and John D Lenters, University of Michigan Biological Station, Ann Arbor, United States
Chairs:  John D Lenters, University of Michigan Biological Station, Ann Arbor, United States, Patrick M Crill, Stockholm University, Dept. of Geological Sciences and Bolin Centre for Climate Research, Stockholm, Sweden and Sally MacIntyre, University of California Santa Barbara, Marine Science Institute, Santa Barbara, CA, United States
OSPA Liaison:  Patrick M Crill, Stockholm University, Dept. of Geological Sciences and Bolin Centre for Climate Research, Stockholm, Sweden

Cross-Listed:
  • H - Hydrology
Index Terms:

0414 Biogeochemical cycles, processes, and modeling [BIOGEOSCIENCES]
0490 Trace gases [BIOGEOSCIENCES]
1843 Land/atmosphere interactions [HYDROLOGY]
1845 Limnology [HYDROLOGY]

Abstracts Submitted to this Session:

The National Ecological Observatory Network Aquatic Sampling: Dissolved Gas Concentrations, Stratification Conditions in Lakes, and Reaeration Rates in Streams (134676)
Kaelin Cawley, National Ecological Observatory Network, Boulder, United States and Keli J Goodman, Battelle, National Ecological Observatory Network, Boulder, United States
A Novel Method for Determining the Gas Transfer Velocity of Carbon Dioxide in Streams (127853)
Mollie Jean McDowell and Mark S. Johnson, University of British Columbia, Vancouver, BC, Canada
Are the Laurentian Great Lakes a CO2 Source or Sink? (129847)
Julianne M Fernandez, University of Maryland, College Park, United States and Amy Townsend-Small, University of Cincinnati Main Campus, Cincinnati, OH, United States
Wetland Resiliency: How does multi-year water table level decline and recovery influence carbon dioxide and methane fluxes? (135078)
Carolyn Pugh, University of Virginia, Charlottesville, VA, United States, David E Reed, Michigan State University, Center for Global Change and Earth Observations, East Lansing, MI, United States, Ankur R Desai, University of Wisconsin Madison, Atmospheric and Oceanic Sciences, Madison, WI, United States and Benjamin N Sulman, Princeton University, Atmospheric and Oceanic Sciences, Princeton, NJ, United States
Vadose Zone as a Potential Carbon Source: a Look at Seasonal Spikes in Hyporheic Zone pCO2 (146083)
Jason Brandes, Oregon State University, Corvallis, OR, United States
Photochemical Reactivity of Dissolved Organic Matter in Boreal Lakes (157166)
Yufei Gu1, Kristiina Vuorio1, Marja Tiirola1, Siiri Perämäki2 and Anssi Vahatalo1, (1)University of JyväSkylä, Department of Biological and Environmental Science, JyväSkylä, Finland, (2)University of JyväSkylä, Department of Chemistry, JyväSkylä, Finland
The Impacts of Thawing and Rewetting Cycles on Greenhouse Gas Production in Wetland Soils (147646)
Vivian Eden, St. Olaf College, Biology, Northfield, MN, United States and John D Schade, Organization Not Listed, Washington, DC, United States
Methane evasion and oxidation in the Big Cypress National Preserve—a low relief carbonate wetland (119431)
Nicholas D Ward1,2, Thomas S S Bianchi3, Matthew J Cohen4, Jonathan B. Martin5, Carlos Quintero6, Amy Brown5, Todd Osborne7 and Henrique O Sawakuchi8, (1)University of Florida, Whitney Laboratory for Marine Bioscience, Ft Walton Beach, FL, United States, (2)University of Florida, Ft Walton Beach, FL, United States, (3)University of Florida, Department of Geological Sciences, Ft Walton Beach, FL, United States, (4)University of Florida, School of Forest, Fisheries, and Geomatics Sciences, Gainesville, Florida, United States, (5)University of Florida, Geological Sciences, Ft Walton Beach, FL, United States, (6)University of Florida, Soil and Water Science, Ft Walton Beach, FL, United States, (7)University of Florida, Soil and Water Science, St. Augustine, FL, United States, (8)USP University of Sao Paulo, São Paulo, Brazil
Investigating Physical Controls on Methane and Carbon Dioxide Fluxes over Reservoirs Using the Eddy Covariance Method (159378)
Sarah Waldo, Washington State University, Pullman, WA, United States, Jake J Beaulieu, Environmental Protection Agency Cincinnati, Cincinnati, OH, United States and John T Walker, US Environmental Protection Agency, Office of Research and Development, Durham, United States
Circulation and Respiration in Ice-covered Alaskan Arctic Lakes (164970)
Sally MacIntyre and Alicia Cortés, University of California Santa Barbara, Santa Barbara, CA, United States
The Role of Surface Water Flow in Gas Fluxes from a Subtropical Rice Field (169321)
Kimberly Thien Huynh, University of California Berkeley, Civil/Environmental Engineering, Berkeley, CA, United States, Kosana Suvocarev, University of California Davis, Department of Land, Air and Water Resources, Davis, United States, Colby Reavis, USDA-ARS, Delta Water Management Research Unit, Jonesboro, United States, Benjamin Runkle, University of Arkansas, Department of Biological and Agricultural Engineering, Fayetteville, AR, United States and Evan A Variano, University of California Berkeley, Berkeley, CA, United States
Temporally-resolved Study of Atmosphere-lake Net CO2 Exchange at Lochaber Lake, Nova Scotia, Canada (179036)
Lynsay Anne Spafford, St Francis Xavier University, Antigonish, NS, Canada and David A Risk, St. Francis Xavier University, Antigonish, Canada
Seasonal and Yearly Carbon and Water Flux Changes Over Lake Mendota (180224)
Amelia Lauren Flannery, University of Virginia, Charlottesville, VA, United States, David E Reed, Michigan State University, Center for Global Change and Earth Observations, East Lansing, MI, United States, Ankur R Desai, University of Wisconsin Madison, Atmospheric and Oceanic Sciences, Madison, WI, United States and Jonathan E Thom, University of Wisconsin Madison, Madison, WI, United States

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