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USArray: Cascadia Initiative

This document provides an overview of the USArray's plans to redeploy the Transportable Array (TA) in the Cascadia region, including station location factors, budget forming, and a preliminary project plan. The document also discusses data integration, deployment options, and station design.

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USArray: Cascadia Initiative

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  1. USArray: Cascadia Initiative Robert W. Busby TA Manager Cascadia Science Planning Workshop LDEO June 29-30, 2009 Palisades NY

  2. Introduction • Feb 09: At NSF request, USArray submitted several ideas for consideration of ARRA funding, including redeploying TA in Cascadia. • April 09: NSF suggested a framework for linking a few specific ideas from PBO, USArray and OBSIP. • May 09: facility program preliminary plan due “Redeploying the TA in Cascadia”, Guidance: $2.5M, 3-5Yr O&M, 2010 mostly operational

  3. TA-2 Cascadia • 25 Broadband Stations with 6ch & telemetry • Permit, construct, install • Operated for 5 years • Data Collection via ANF to DMC—open data, real time. • Picks and Data QC provided • Includes Strong Motion Sensors

  4. TA-2 Cascadia Factors in Station Location • Existing Broadband Stations PNSN, BDSN, GSN, ANSS • Planned upgrades to Crest, PNSN or BDSN • Good Quality TA stations with existing vaults • Good Quality FA stations • Where’s a gap?

  5. TA-2 Cascadia A spirited debate ensued, thanks to: • Mike Brudzinski • PNSN: Paul Bodin, John Vidale • Ken Creager • Richard Allen • USGS Menlo: David Oppenheimer, David Croker • BDSN: Peggy Hellweg, Barbara Romanowicz, Doug Neuhauser • More debate welcomed!

  6. Budget Forming • Cost of Equipment • Cost of deployment • Operations: • Management • Array Operation Facility • Array Network Facility • DMC Analysts • Service • Telemetry Given a bottom Line and a period of performance, we solve for number of stations We’ve made no plans as to what happens next, Removing the stations is an additional $132,000

  7. Shovel Ready! Schedule Details: Preliminary Project Plan 15 stations by Sept 30 2010 10 stations by Dec 31 2010 Possible Scenarios 10 stations Oct 2009 15 stations June 2010 End of 5 year O&M is 2014-2015 Monitoring ASAP or in conjunction with OBS?

  8. Notional Plan

  9. Quarterly Plan 2013 2012

  10. Alaska 200 stations 85 km station spacing Existing Stations: Aleutians Juneau Color scale depicts levels of permafrost 2015? 2014

  11. Data Integration • What are the plans to integrate the data from onshore and offshore instrumentation? Is there a DCC involved? • Is this a deployment based task or a facility based task?

  12. IRIS & USArray “Iris is sponsered by NSF …dedicated to the operation of scientific facilities for the acquisition, management, and distribution of freely available seismic data. C08A Washington

  13. We’re back…, A04A

  14. backups

  15. TA Style Deployments Open data Real time availability Optimized for repeated execution Monitoring and Picking Service and Maintenance Calibrations & Metadata provided FA Style Deployments PI chosen focus Custom Station & Array designs Data locally collected PI serviced and monitored Data can be sequestered Metadata supported USArray Options TA is operated by IRIS as a broad community resource, with a specific, defined implementation target and immediate community access to data. FA is a collection of instruments for use by PI's in experiments which they define.

  16. Station Design

  17. Communications Systems Cellular Modem 71% Cellular 20% AC VSAT 8% Solar VSAT AC VSAT Solar VSAT

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