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H09: Timescales and Feedbacks in Ecogeomorphology
Sponsor: Hydrology

CoSponsor: Biogeosciences
Nonlinear Geophysics

Convener: Brandon McElroy
Jackson School of Geosciences, University of Texas
Austin, TX, USA
bmcelroy@geo.utexas.edu

John Wainwright
University of Sheffield
Department of Geography, Winter Street
Sheffield, GBR  S10 2TN
+44 144 222 7951
J.Wainwright@sheffield.ac.uk

Anne Lightbody
University of Minnesota
St. Anthony Falls Laboratory, 2 Third Avenue SE
Minneapolis, MN, USA  55414
612-624-4679
annel@umn.edu

Anthony Parsons
University of Sheffield
Department of Geography, Winter Street
Sheffield, GBR  S10 2TN
a.j.parsons@sheffield.ac.uk


4475 4485 1824 1862 0483 .

Description: Recent work in the hydrologic sciences has confirmed that understanding landscapes requires reaching across traditional disciplinary boundaries. For example, it is known that riparian vegetation significantly impacts flow, sedimentation, erosion, and channel morphology in varied and complex ways. However, an integrated approach combining ecological and geomorphological principles has not yet been adopted. For instance, while the timescales of the dominant or competing processes have often been used to characterize first-order system behaviour, dimensional analysis rather than ecological understanding has guided the choice of timescales. Work is still needed to clarify the role of timescales of ecological and geomorphological processes in controlling system behaviour. This session aims to bring together a wide range of researchers at the boundaries of ecology and geomorphology to explore different geomorphic process domains and thus as wide a range timescales of ecological-landscape interactions as possible. We hope this session will illuminate a variety of approaches to catalyze the development of generalized frameworks for their use in bio- and ecogeomorphic systems. Contributions of a more conceptual or theoretical nature are also encouraged.


Union Sessions by Theme

There are no extra requirements to submit to these sessions.


1. Carbon in the Earth System

U01: Origin of Late Holocene (Pre-Industrial) Increases in Atmospheric CO2 and CH4
U04: Understanding of the Global Carbon Cycle Using Models and Observations
U15: Global Climate Change and Gas Hydrate Reservoir Degassing: Assessing the Scientific Evidence
U22: Geologic Carbon Sequestration: The Vital Links Between Risk Assessment, Monitoring and Mitigation Design




2. Earth's Polar Regions

U02: The International Polar Year
U23: Observing, Understanding, Predicting and Responding to Pan-Arctic Ice Retreat Problems




3. Climate & the Environment

U06: Geoengineering to Counteract Global Warming?
U10: Tropical Cyclone—Climate Interactions Past, Present, and Future
U11: Comparative Climate Studies of Earth, Venus and Mars
U12: Consequences of Peak Oil for Climate Change
U14: Environmental Consequences of the Changing Global Food System
U24: Perspectives on the Past and Future of Paleoceanography and Paleclimatology




4. Earth's Dynamic Interior

U09: Different Views on One Asthenosphere
U18: Interaction and Co-evolution of Earth Reservoirs: Coupling of Mantle, Tectonic, Atmospheric, and Hydrospheric Dynamics in the Evolution of Earth
U20: Fluids at Convergent Margins: Synthesis of Observations, Experiments and Models
U21: Geologic, Seismologic, and Geodynamic Constraints on the 4–D Evolution of North America: Where are we now and Where are we going?




5. New Frontiers

U03: MESSENGER at Mercury: The Second Flyby
U05: Episodic Tremor and Slip: Insights into a Newly Discovered Process
U08: The Library — Data Center Alliance in Earth and Space Sciences
U13: The Phoenix Mission
U16: The Van Allen Radiation Belts and Their Impact on Modern Space Science




6. Hazards and Public Risk

U07: Role of Science in Water, Biologic, and Geologic Hazards Security
U17: Decision Support Needs and Tools for Global Change: Bridging the Gap Between Physical and Societal Models
U19: The Great 2008 Wenchuan Earthquake: A Multi-disciplinary View
U25: Integrated Geohazards Along Continental Margins and Plate Boundary Zones
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