Eric von FoersterCathedral Caverns State Park, Alabama<br>
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#stalagmites
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Andy Baker<p>New Scientist story on cave records of past fire</p><p>Any thanks to Liza McDonough (ANSTO) for agreeing to be interviewed for this article, which includes a summary of our recent Australian Research Council funded project to reconstruct past fire history using cave stalagmites<br>...</p><p><a href="http://andy-baker.org/2024/12/07/new-scientist-story-on-cave-records-of-past-fire/" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">http://</span><span class="ellipsis">andy-baker.org/2024/12/07/new-</span><span class="invisible">scientist-story-on-cave-records-of-past-fire/</span></a></p><p><a href="https://aus.social/tags/wildfire" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>wildfire</span></a> <a href="https://aus.social/tags/academia" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>academia</span></a> <a href="https://aus.social/tags/caves" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>caves</span></a> <a href="https://aus.social/tags/stalagmites" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>stalagmites</span></a> <a href="https://aus.social/tags/research" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>research</span></a></p>
Andy Baker<p>Happy 1000th citation anniversary</p><p>It doesn't happen too often. An insightful suggestion for a review paper by Ian Fairchild around 20 years ago resulted in this paper. It is free to download from here - head to the papers page....</p><p><a href="http://andy-baker.org/2024/04/17/happy-1000th-citation-anniversary/" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">http://</span><span class="ellipsis">andy-baker.org/2024/04/17/happ</span><span class="invisible">y-1000th-citation-anniversary/</span></a></p><p><a href="https://aus.social/tags/academia" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>academia</span></a> <a href="https://aus.social/tags/science" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>science</span></a> <a href="https://aus.social/tags/research" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>research</span></a> <a href="https://aus.social/tags/caves" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>caves</span></a> <a href="https://aus.social/tags/stalagmites" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>stalagmites</span></a></p>
Andy Baker<p>Sometimes I get to join some interesting collaborations. </p><p>Earlier in my career, my climate research was largely on reconstructing records of past North Atlantic climate from cave stalagmites. And then I moved continents and my career changed to focus on groundwater</p><p>However, over the last year, I have got back into some of the questions related to European climate of the recent past. That is thanks to an old collaborator, Binggui Cai, who asked me to contribute to another cave stalagmite study. </p><p>In eastern Europe, replicated stalagmite records from multiple caves suggest that the strength of the North Atlantic Jet (aka 'the jet stream') in winter has strengthened over the last 140 years and is outside the range of the previous millennia. </p><p>Why eastern Europe? It is a climate 'hotspot' for understanding the strength of moisture that comes from the Atlantic. When the winter jet stream is strong, that moisture reaches the region. When it is weak, the moisture comes from the Mediterranean. Each moisture source has a different water isotope composition, and that is what the stalagmites are recording.</p><p>Having worked through all the stalagmite proxy data, the climate signal seems robust. Interestingly, it differs from recently published proxy data for the North Atlantic Jet from Greenland ice. And what climate change process has led to this change in the North Atlantic Jet?</p><p>It is a paper that raises new questions, and if it sounds interesting, the reference and link are here:</p><p>Miaofa Li et al. 2023. The strength of the winter North Atlantic jet stream has deviated from its natural trend under anthropogenic warming. Geology 2023; doi: <a href="https://doi.org/10.1130/G51329.1" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="">doi.org/10.1130/G51329.1</span><span class="invisible"></span></a></p><p><a href="https://aus.social/tags/paleoclimate" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>paleoclimate</span></a> <a href="https://aus.social/tags/climatechange" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>climatechange</span></a> <a href="https://aus.social/tags/caves" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>caves</span></a> <a href="https://aus.social/tags/stalagmites" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>stalagmites</span></a> <a href="https://aus.social/tags/science" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>science</span></a> <a href="https://aus.social/tags/environment" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>environment</span></a> <a href="https://aus.social/tags/climate" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>climate</span></a> <a href="https://aus.social/tags/geology" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>geology</span></a> <a href="https://aus.social/tags/isotopes" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>isotopes</span></a> <a href="https://aus.social/tags/earthscience" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>earthscience</span></a> <a href="https://aus.social/tags/academia" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>academia</span></a></p>
Andy Baker<p>We were recently asked by <span class="h-card"><a href="https://mastodon.social/@theconversationau" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>theconversationau</span></a></span> to write an article about our recent research on the decline in groundwater replenishment in SW Western Australia, and how it is unprecedented in the last 800 years. </p><p>That article has just gone live here:<br><a href="https://theconversation.com/decades-of-less-rainfall-have-cut-replenishing-of-groundwater-to-800-year-low-in-wa-208751" rel="nofollow noopener noreferrer" target="_blank"><span class="invisible">https://</span><span class="ellipsis">theconversation.com/decades-of</span><span class="invisible">-less-rainfall-have-cut-replenishing-of-groundwater-to-800-year-low-in-wa-208751</span></a></p><p><a href="https://aus.social/tags/rain" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>rain</span></a> <a href="https://aus.social/tags/groundwater" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>groundwater</span></a> <a href="https://aus.social/tags/climate" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>climate</span></a> <a href="https://aus.social/tags/water" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>water</span></a> <a href="https://aus.social/tags/caves" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>caves</span></a> <a href="https://aus.social/tags/stalagmites" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>stalagmites</span></a> <a href="https://aus.social/tags/australia" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>australia</span></a> <a href="https://aus.social/tags/science" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>science</span></a> <a href="https://aus.social/tags/geology" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>geology</span></a> <a href="https://aus.social/tags/environment" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>environment</span></a></p>
Andy Baker<p>This is my <a href="https://aus.social/tags/introduction" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>introduction</span></a>:</p><p>I'm an academic, with teaching and research interests in <a href="https://aus.social/tags/environmental" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>environmental</span></a> <a href="https://aus.social/tags/earth" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>earth</span></a> <a href="https://aus.social/tags/science" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>science</span></a>. </p><p>Current research projects include reconstructing <a href="https://aus.social/tags/fire" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>fire</span></a> history records from <a href="https://aus.social/tags/cave" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>cave</span></a> <a href="https://aus.social/tags/stalagmites" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>stalagmites</span></a>. And monitoring <a href="https://aus.social/tags/groundwater" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>groundwater</span></a> <a href="https://aus.social/tags/recharge" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>recharge</span></a> in underground spaces to work out how much rainfall is needed to replenish this water resource.</p><p>I work at <a href="https://aus.social/tags/UNSW" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>UNSW</span></a> in <a href="https://aus.social/tags/Sydney" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Sydney</span></a>, Australia. </p><p>I am a 'first-gen', Gen X, UK ex-pat, Australian, fun runner, and lover of <a href="https://aus.social/tags/music" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>music</span></a>, <a href="https://aus.social/tags/spaceopera" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>spaceopera</span></a> and <a href="https://aus.social/tags/cricket" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>cricket</span></a>.</p><p><a href="https://aus.social/tags/academia" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>academia</span></a> <a href="https://aus.social/tags/geology" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>geology</span></a> <a href="https://aus.social/tags/climate" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>climate</span></a> <a href="https://aus.social/tags/water" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>water</span></a> <a href="https://aus.social/tags/paleoclimate" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>paleoclimate</span></a></p>
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