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Collaborative Projects: MARGINS - GeoSwath - EarthScope

Explore shared interests and formulate science questions for MARGINS, GeoSwath, EarthScope with a focus on Cascadia and Salton Trough/Walker Lane areas. Generate "micro-whitepapers" for rapid publication.

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Collaborative Projects: MARGINS - GeoSwath - EarthScope

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  1. Collaborative Projects: MARGINS - GeoSwath - EarthScope Conveners Geoff Abers, Chair, MARGINS Steering Committee Basil Tikoff, GeoSwath Organizer Program Committee Salton Trough / Walker Lane Danny Stockli Paul Umhoefer Roger Buck Suzanne Janecke Cascadia Anne Trehu Tim Melbourne Paul Wallace

  2. Why we are here • MARGINS, EarthScope, GeoSwath have common interests: identify • Formulate key science questions for two critical areas • Use to motivate future plans, proposals • Devise strategies to approach, given MARGINS and Earthscope focuses • Immediate Goal: generate short “micro-whitepaper” for rapid publication • This is just a start…

  3. Meeting Organization • MARGINS, GeoSwath perspectives • Break into 2 groups - move in wall • Coffee, lunch provided • Short presentations of new work • Discuss critical problems for future • Reunite / remove wall for wrapup • Conveners stay to write • Available on web soon to all participants

  4. Get all presentations to conveners during 1st break

  5. MARGINS Goals • The MARGINS program • Initiatives, Focus Sites • Next Steps Geoff Abers, Boston University Chair, MARGINS Steering Committee

  6. The MARGINS Concept • Broad Initiatives through elucidated through community workshops: Science Plan • All Initiatives “cross the shoreline” • Focus Sites concentrate resources The Machinery: • Independent NSF Panel funds proposals • Steering Committee represents Community • Logistics and coordination: MARGINS Office

  7. Initiatives & Focus Sites Rupturing Continental Lithosphere Driving forces for rift initiation, propagation and evolution, from continent to ocean basin RCL Gulf of California/Salton Trough Allied: Red Sea Subduction Factory The cycling of material, fluids, and energy from trench to arc and deep earth; growth of continents SubFac Central America Izu-Bonin-Mariana Allied: Cascadia, Aleutians

  8. Seismogenic Zone Sediment Source-to-SInk Nature and genesis of large subduction-zone thrust earthquakes and the faults that make them Production, transport & storage of sediments & solutes from source to sink S2S SEIZE Gulf of Papua Waipaoa, N.Z. Nankai Central America Initiatives & Focus Sites

  9. Motivations for cooperative studies • Western U.S. has 1 Focus Site, and critical localities complementary to others • Cascadia ls “allied” site: accretionary, young subduction zone • Without Red Sea, should maximize return from (expanded?) GoC/Salton Site • Capitalize on EarthScope Facility • … and GeoSwath, and ORION, and …

  10. Goals at this Workshop • Develop science rationale for expanded studies in 2 areas of overlap • Cascadia • Walker Lane / Salton Trough • Produce succinct description of opportunities • Where do we go from here?

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