[OBSIPtec] OBSIP Functional Specifications Available
brent.evers at iris.edu
Thu Jun 30 10:18:21 PDT 2016
Thank you for taking the time to review the functional specs and provide feedback. This is exactly the type of response and input we are hoping the functional specifications continue to generate. Your input is very valuable to us and will be logged for discussion and possible inclusion in future revisions of the Functional Specifications.
An important aspect of Rob's response that others should consider and include in future comments or suggestions is the scientific justification of the requirement. Knowing not just ‘what’ the community wants but 'why' they need it really helps OBSIP prioritize the long list of technologies and advancements that are under consideration.
OBSIP Management Office
Incorporated Research Institutions for Seismology
1200 New York Avenue, NW
brent.evers at iris.edu
> On Jun 29, 2016, at 8:10 AM, Robert Sohn <rsohn at whoi.edu> wrote:
> Dear OBSIPtec -
> My only comment would be that it would be very useful to have the long-duration short period instruments be capable of determining the orientation of the horizontal sensors. The most important benefit from my point of view would be the ability to accurately determine/model focal mechanisms for microearthquake studies. If the orientation of the sensors is known then the amplitude ratios between SV and SH phases can be used to constrain the focal mechanisms, which is essential for events with non-double-couple mechanisms - i.e., if the orientations are not known it is not generally possible to constrain non-DC events.
> Quoting Brent Evers <brent.evers at iris.edu>:
>> OBSIPtec -
>> The OBSIP Oversight Committee has developed functional specifications for OBSIP instrumentation intended to guide the facility in future OBS development. These functional specifications also provide visibility into the instrumentation requirements necessary to meet current and future science investigations to other groups including vendors, partner facilities, and users.
>> The functional specifications are forward looking and do not represent the current capabilities of the OBSIP fleet, but rather, the desired capabilitites. Furthermore, these functional specifications are subject to change at any time. Any feedback regarding their adequacy, or changes required, is welcomed - please contact the OBSIP Oversight Committee Chair.
>> The functional specifications are divided into three instrument types - broadband, short period and short period long duration, and are accessible via the following page on the obsip.org <http://obsip.org/> website:
>> http://www.obsip.org/instruments/functional-specifications/ <http://www.obsip.org/instruments/functional-specifications/>
>> Brent Evers
>> Project Manager
>> OBSIP Management Office
>> Incorporated Research Institutions for Seismology
>> 1200 New York Avenue, NW
>> Suite 400
>> 202-682-2220 x156
>> brent.evers at iris.edu
> Robert Sohn
> Associate Scientist
> Geology and Geophysics Department
> Woods Hole Oceanographic Institution
> OBSIPtec mailing list
> OBSIPtec at iris.washington.edu
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