[OBSIPtec] Dear Colleague Letter: Onshore-Offshore Seismological Studies of the Aleutian Arc
Kasey Aderhold
kasey at iris.edu
Thu Mar 17 18:01:06 EDT 2016
Dear OBSIPtec subscribers,
Please see the following Dear Colleague letter from the National Science
Foundation about an opportunity to submit proposals for an offshore
deployment complementing the EarthScope Transportable Array in Alaska
<http://www.usarray.org/Alaska>. This would leverage the capabilities of
the Ocean Bottom Seismograph Instrument Pool (OBSIP
<http://www.obsip.org/>) and take advantage of the deployment of many
new land stations in Alaska, expected to be fully deployed by 2017.
The Dear Colleague letter is also available here
<http://www.nsf.gov/pubs/2016/nsf16061/nsf16061.pdf> on the NSF website.
Cheers,
Kasey
<http://www.nsf.gov/pubs/2016/nsf16061/nsf16061.jsp?org=NSF>
Dear Colleague:
There is gathering momentum and interest in the community in developing
new activities that span the traditional Earth-Ocean Science boundaries.
This is especially relevant at subduction zones where active processes
span the coastline. Subduction zones are among the most dynamic features
on Earth, producing large and powerful earthquakes that can cause major
damage in the near-field, the local, the regional, and far-field
(tsunamis). The National Science Foundation (NSF) has long supported
basic research to understand the seismogenic zone in these regions. We
believe that spatially and temporally coincident onshore-offshore
seismic studies provide a much more comprehensive picture of the
structures and seismic activity that characterize subduction zones than
either land- or marine-based studies alone. TheCascadia Initiative
<https://www.nsf.gov/cgi-bin/goodbye?http://cascadia.uoregon.edu>is a
recent example of a successful experiment at a subducting margin that
utilized a network of onshore-offshore seismic stations. That effort has
recently concluded after a five-year term.
Recent reports and community workshops have highlighted the Aleutian Arc
as another priority study region for understanding the active processes
at subduction zones and their associated geohazards:
* *Amphibious Array Facilities Workshop (October 22-24, 2014)
and**Report*
<https://www.nsf.gov/cgi-bin/goodbye?http://www.earthscope.org/assets/uploads/misc/AAFW_Report_FINAL.pdf>*(February
2015)*
* *GeoPRISMS Science Plan*
<https://www.nsf.gov/cgi-bin/goodbye?http://geoprisms.org/research/science-plan/>
NSF recognizes the unique opportunity offered by the upcoming deployment
of the EarthScope Transportable Array (TA) in Alaska to conduct an
onshore-offshore seismic experiment along the Aleutian subduction zone.
The TA will be fully deployed in Alaska in 2017, and is planned to
operate for two years (subject to the availability of funding). This
opportunity also takes advantage of NSF's investment in theOcean Bottom
Seismometer Instrument Pool (OBSIP)
<https://www.nsf.gov/cgi-bin/goodbye?http://www.obsip.org/>, which
includes instruments capable of deployment in shallow water. The timing
is right for focus on the Aleutian Arc.
NSF will entertain proposals for cross-coastal field campaigns that
leverage the TA with deployments of seismic instrumentation offshore and
perhaps additional deployments of land seismometers. Given the far
greater coverage of TA instruments on the Alaskan mainland, we expect
that proposals would focus on areas along or to the east of the Alaskan
Peninsula (one such area is highlighted in the workshop report
referenced above).
PROPOSAL PREPARATION AND SUBMISSION
* Proposals should reflect broad community engagement and
participation. Results from funded projects must be made available
to the public (via appropriate public repositories including the
Seismological Facilities for the Advancement of Geosciences and
EarthScope (SAGE) Data Management System) immediately after standard
quality control and processing steps. Proposals should not include
significant data analysis. Follow on work would be considered
separately in future proposals to the relevant programs.
* Proposers should submit inquiries to the Ocean Bottom Seismometer
Management Office (OMO), managed through IRIS, to estimate total
costs associated with deployments. Forms supplied by IRIS should be
included in the proposal submission as supplementary documents.
Proposers should request the number of instruments appropriate for
the targeted geographic area and resolution.
TO WHAT PROGRAM SHOULD I SUBMIT MY PROPOSAL?
NSF Ocean and Earth Sciences Divisions cooperatively manage an
inherently cross-coastal effort in the Geodynamic Processes at Rifting
and Subducting Margins (GeoPRISMS) program. The Aleutians Arc was
identified as a top priority study area in the GeoPRISMS Science Plan,
and the GeoPRISMS program has already funded a number of field efforts
in the Aleutian Arc that would benefit from understanding the broader
geophysical framework of this region. While additional funds may be
provided by other programs as appropriate, interested parties should
plan to submit all proposals for seismic instrument deployments such as
those described here to the upcoming GeoPRISMS deadline (July 15, 2016).
The GeoPRISMS budget will not increase to accommodate these proposals,
though GeoPRISMS funds will be leveraged with funds from other programs
within the Directorate of Geosciences. Please note that NSF anticipates
revising the GeoPRISMS solicitation prior to April, and the revised
version will reflect the content of this letter and other related areas
of program interest.
PEER REVIEW AND FUNDING
Proposals for onshore-offshore projects complementing the TA will be
reviewed with and compete for funding with other proposals submitted to
the participating programs. As such, the total monetary request
(including ocean bottom seismometer costs included in the proposal
budget, and ship costs estimated as part of the UNOLS ship time request)
should be commensurate with the proposed scope of activities, and should
be consistent with prior award sizes within those programs.
PIs are*strongly*encouraged to contact one of the program officers
listed below early in the proposal development process:
* Maurice Tivey (Marine Geology and Geophysics,mtivey at nsf.gov
<mailto:mtivey at nsf.gov>)
* Deborah Smith (Marine Geology and Geophysics,dksmith at nsf.gov
<mailto:dksmith at nsf.gov>)
* Jennifer Wade (GeoPRISMS,jwade at nsf.gov <mailto:jwade at nsf.gov>)
* Gregory Anderson (EarthScope,greander at nsf.gov <mailto:greander at nsf.gov>)
Richard W. Murray
Division Director
Ocean Sciences Division
Carol Frost
Division Director
Earth Sciences Division
--
Kasey Aderhold
Project Associate | IRIS OBSIP Management Office
202-682-2220 x163 | kasey at iris.edu
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