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Hello Yang Zha,<br>
<br>
Thank you for sharing your methods and the link to your paper. If
you are interested we would be happy to host your code on the OBSIP
website, or provide your contact information, for future OBS users
who are jumping into orientations. <br>
<br>
I have an inherited copy of your orientations for Cascadia Year 2
WHOI stations that I am comparing to the OBSIP OMO calculated
orientations using the Stachnik method. If you have updated these
since 2 July 2014, please let me know.<br>
<br>
Cheers,<br>
Kasey<br>
<br>
<div class="moz-cite-prefix">On 8/31/15 4:49 PM, Yang Zha wrote:<br>
</div>
<blockquote
cite="mid:CAHuhgdFLDwW2rFhxJBGkPWzTFNU+1-dXimy2vO_xBVnCiDepFQ@mail.gmail.com"
type="cite">
<div dir="ltr"><span style="font-size:16px">Hi Kasey and
everyone, </span>
<div style="font-size:16px"><br>
</div>
<div style="font-size:16px">Our group has developed a method to
determine OBS orientations using ambient noise. We have
tested it on a few data sets and the results seem robust.</div>
<div style="font-size:16px"><br>
</div>
<div style="font-size:16px">For details please see: <a
moz-do-not-send="true"
href="http://onlinelibrary.wiley.com/doi/10.1002/grl.50698/abstract"
target="_blank"><a class="moz-txt-link-freetext" href="http://onlinelibrary.wiley.com/doi/10.1002/grl.50698/abstract">http://onlinelibrary.wiley.com/doi/10.1002/grl.50698/abstract</a></a></div>
<div style="font-size:16px"><br>
</div>
<div style="font-size:16px">I can provide the codes upon
request. <br>
</div>
<div style="font-size:16px"><br>
</div>
<div style="font-size:16px">Thank you.</div>
<div style="font-size:16px"><br>
</div>
<div style="font-size:16px">Yang Zha. </div>
</div>
<div class="gmail_extra"><br>
<div class="gmail_quote">On Thu, Aug 27, 2015 at 4:55 PM, Kasey
Aderhold <span dir="ltr"><<a moz-do-not-send="true"
href="mailto:kasey@iris.edu" target="_blank">kasey@iris.edu</a>></span>
wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px #ccc solid;padding-left:1ex">
<div bgcolor="#FFFFFF" text="#000000"> OBSIPtec Subscribers,<br>
<br>
I am undertaking a project to compare the results of
different ocean bottom seismometer horizontal orientation
methods and welcome any collaborators/allies. If you have
published or unpublished OBS orientations that you are
willing and able to share, please get in touch with me.<span
class="HOEnZb"><font color="#888888"><br>
<br>
Kasey Aderhold <br>
Project Associate <br>
OBSIP Management Office <br>
Incorporated Research Institutions for Seismology <br>
<a moz-do-not-send="true" href="mailto:kasey@iris.edu"
target="_blank">kasey@iris.edu</a><br>
</font></span></div>
<br>
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</blockquote>
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<br>
<br clear="all">
<div><br>
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-- <br>
<div class="gmail_signature">
<div dir="ltr">
<div>
<div dir="ltr">
<div>Yang Zha, Ph.D.
<div>Department of Earth and Environmental Sciences, <br>
Lamont Doherty Earth Observatory, <br>
Columbia University. 61 Route 9W, Palisades NY 10964</div>
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