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Tree Rings and the Laki Volcano Eruption: A Closer Look at Climate When Iceland's Laki volcano erupted in 1783, its effects rippled around the world. UArizona researchers have analyzed Alaskan tree rings to understand how climate responded in northwestern North America. The work will aid in fine-tuning future climate models. By Mikayla Mace Kelley, University Communications Jan. 27, 2021 UArizona researchers dyed a very thin slice of wood to make ring growth measurements at time scales smaller than the typical year, or season. This allowed them to pinpoint when exactly the trees ...

When Iceland's Laki volcano erupted in 1783, its effects rippled around the world. UArizona researchers have analyzed Alaskan tree rings to understand how climate responded in northwestern North America. The work will aid in fine-tuning future climate models.

A moment of peace job you see a natural spectacle lighting up the sky. well the sound of thunder must be music to his is we carry on with the delightful sounds of the violin when it comes to crafting the instrument the name stradivari comes to mind but what about mitten vote it's a town amid the alpine peaks of bavaria in southern germany and has an impressive tradition of violin making every four years musicians and craftsman from all over the world congregate there to work on the perfect sound the local would also plays an instrumental role. somewhere here not far from the bavarian town of m...

It happens because of a warming and a change in circulation of the oceans. and here in this case, the biggest ocean on the planet. now what she worries about is can it get more severe and can it get more frequent with climate change. to do that, she needs a thermometer that can measure the temperature of the ocean in the past. >> okay, how do you do that? how do you figure out whether el nino 20 years ago or 100 years ago is worse? >> she look at corals. and she basically goes underwater with a giant drill and drills cores of coral. because coral, it turns out, grows in a very specific way tha...

A long time ago, and that is the only way to tell temperatures from hundreds of thousands of years ago, it can be misleading to use tree rings for data that covers the last 50 years. luckily, in the last 50 years, we've got other ways of telling temperature. there are other temperature records around, so you can combine that recent data with the tree ring information, so as to make sure you're keeping the data on temperature accurate over time. scientists work like that. science sometimes works like that. the data has to be as accurate as possible, and since data doesn't come down from a mount...