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<title>long hours – JOIDES Resolution</title>
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<title>#typicalfieldworkday & Happy Birthday Briony!</title>
<link>https://joidesresolution.org/typicalfieldworkday-happy-birthday-briony/?utm_source=rss&utm_medium=rss&utm_campaign=typicalfieldworkday-happy-birthday-briony</link>
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<dc:creator><![CDATA[Jisun Kim]]></dc:creator>
<pubDate>Wed, 05 Aug 2015 15:28:32 +0000</pubDate>
<category><![CDATA[cores_119]]></category>
<category><![CDATA[Exp356]]></category>
<category><![CDATA[long hours]]></category>
<category><![CDATA[sediment]]></category>
<category><![CDATA[sometimes science takes a while]]></category>
<guid isPermaLink="false">https://joidesresolution.org//typicalfieldworkday-happy-birthday-briony/</guid>
<description><![CDATA[First, HAPPY BIRTHDAY BRIONY!! One of our paleontologists (benthic foraminifers) and the most awesome person you will ever meet. :3 Now... <div class="read-more"><a class="excerpt-read-more" href="https://joidesresolution.org/typicalfieldworkday-happy-birthday-briony/" title="Continue reading #typicalfieldworkday & Happy Birthday Briony!">Read more<i class="fa fa-angle-right"></i></a></div>]]></description>
<content:encoded><![CDATA[<p>First, HAPPY BIRTHDAY BRIONY!! One of our paleontologists (benthic foraminifers) and the most awesome person you will ever meet. :3</p>
<p><img decoding="async" src="http://archive.joidesresolution.org/sites/default/files/u360/mapblog2.jpg" alt="mapblog2" /></p>
<p>Now onto science talk. Well… the first site<br />
U1458 was <strong>challenging</strong>. We simply weren’t able to recover a lot of material, probably because it’s all crumbly carbonate reef debris. So we<br />
concluded Site U1458 and headed <strong>1</strong> “nautical mile” (1.15 land miles = 1 nautical<br />
mile) to an alternate site, U1459. The silver lining to this alternate site is that it is in slightly deeper water and farther away from the Houtman-Abrolhos reefs.</p>
<p>Two things:</p>
<ol>
<li>The original site was pretty shallow (only 147m below sea level) so a<br />
<strong>deeper</strong> site further away from the reefs and down the continental slope definitely helps with coring.</li>
<li>We want to stay as far as we can from the<br />
<em>Houtman-Abrolhos reefs</em> because proximity to reefs = coarser material transported down to our site. And we’ve learned from the past 2 days: the piston corer (<a class="glossary-term" href="http://archive.joidesresolution.org/glossary/9#term860"><dfn title="Look up the definition of APC.">APC</dfn></a>) and<br />
<a class="glossary-term" href="http://archive.joidesresolution.org/glossary/9#term845"><dfn title="Look up the definition of Extended Core Barrel (XCB).">eXtended Core Barrel (XCB)</dfn></a> system do NOT like sandy reef debris.</li>
</ol>
<p> </p>
<p>Even so, as Kara (our project manager) puts it, “a typical<br />
day in the field – requires patience, practicality and flexibility. Stuff<br />
rarely goes the way you want it to – <strong>reality bites</strong>.” Site U1459 decided to<br />
follow in the footsteps of his friend (U1458) and keep the scientists<br />
waiting hours for the arrival of core.</p>
<p> </p>
<p>While attempting to establish the mudline, we hit something<br />
hard. Something really, REALLY hard. So hard we <u>broke</u> the core barrel. The coring<br />
device we were using was the APC and APC is typically not used for such hard<br />
material. But luckily, we have a boat full of experts who have anticipated such<br />
outcomes. We went with plan B: <strong>the XCB</strong>. In terms of the power hierarchy of coring systems, it’s:</p>
<p> </p>
<p>APC < XCB < Rotary Core Barrel(<a class="glossary-term" href="http://archive.joidesresolution.org/glossary/9#term844"><dfn title="Look up the definition of RCB.">RCB</dfn></a>)</p>
<p> </p>
<p>Why not start with the RCB if the material is so hard? As<br />
you move higher up in the power hierarchy, you start to go <em>significantly lower</em> in % core recovery.</p>
<p> </p>
<p>So far, the first attempt with the XCB… nothing. Second<br />
attempt? Nothing. Did we even dare a third attempt??? …… we did. The operations manager thought<br />
we were just about reaching the softer material and decided to try one more<br />
time. The results?</p>
<p><img decoding="async" src="http://archive.joidesresolution.org/sites/default/files/u360/AaronSarcastic.jpeg" alt="AaronSarcastic" /></p>
<p><strong>Something!</strong> It’s better than nothing of course. Hopefully the<br />
next few attempts will prove to be a even better. For now at least, the<br />
scientists have something new to work with. <img src="https://s.w.org/images/core/emoji/15.0.3/72x72/1f642.png" alt="🙂" class="wp-smiley" style="height: 1em; max-height: 1em;" /></p>
<p> </p>
<p>In the meantime, the scientists, technicians, and I have<br />
been placing bets on when or how long the next core will be. Susan won the first round and David won the Second… hopefully I’ll win the third? (cross my fingers)</p>
<p>The winners:</p>
<p><img decoding="async" src="http://archive.joidesresolution.org/sites/default/files/u360/Screen%20Shot%202015-08-06%20at%2012.59.36%20AM.png" alt="Screen Shot 2015-08-06 at 12.59.36 AM" /></p>
<p>Susan’s just a little sad the cores weren’t coming up to the deck. I guess we’re all a little sad. <img src="https://s.w.org/images/core/emoji/15.0.3/72x72/1f641.png" alt="🙁" class="wp-smiley" style="height: 1em; max-height: 1em;" /> Except David. David’s always happy.</p>
<p>Other than the sediment refusing to come up to the deck in the cores, life on sea has been so much fun!:D It’s 9am and is now officially time for my <strong>cookie break</strong>! OH! And <u>Briony’s Birthday Party~</u> Wheeeeee</p>
<p>Like this post? Tell us! Leave us a comment below and we’ll get back to you ASAP <img src="https://s.w.org/images/core/emoji/15.0.3/72x72/1f642.png" alt="🙂" class="wp-smiley" style="height: 1em; max-height: 1em;" /></p>
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