Wildfire Closes Yosemite Valley for First Time in More Than a Decade
The iconic Yosemite Valley, home to the most famous vistas in Yosemite National Park, will be evacuated Wednesday to protect visitors from dangerous smoke from the Ferguson fire, The Huffington Post reported.
Park officials said the closure would remain in effect until Sunday, according to an announcement Tuesday.
"Get yourself out of here if you can," Yosemite National Park superintendent Michael Reynolds told CNN on Tuesday.
The closure means all hotels, campgrounds and visitor services in Yosemite Valley and Wawona will be shuttered, and anyone currently using them has been instructed to leave by noon on Wednesday.
This is the first time the valley, home to the national park's famous waterfalls and rock features Half Dome and El Capitan, has been closed because of a wildfire since the A-Rock Fire burned 18,000 acres in the area in 1990, according to The Huffington Post.
California Department of Forestry and Fire Protection (Cal Fire) spokesperson Rich Eagan told The Wall Street Journal that the fire was currently two miles away from the park and that firefighters were battling it back from the park's western edge.
The Ferguson Fire has burned 36,587 acres since it ignited July 13 and is only 25 percent contained, according to The Wall Street Journal. It is threatening nearly 35,000 buildings and has mobilized 3,311 firefighters against it.
Six of them have been injured and one has died.
Cal Fire heavy equipment operator Braden Varney died early in the fire's outbreak when his bulldozer flipped over into a ravine, The Huffington Post reported.
Officials told reporters that the Ferguson Fire was difficult to fight safely because it was burning through such steep terrain filled with extremely flammable vegetation.
California Interagency Incident Management operation section chief Jake Cagle told The Huffington Post that firefighters were attempting to use scars from previous fires in the area as containment lines to control the current blaze.
This isn't the first time the blaze has menaced the park since it ignited.
The fire already led to the closure of part of State Route 140, a key route into the park, on July 15, according to The Associated Press.
"Since the fire began on Friday, July 13, several other park facilities and roads have been closed due to fire impacts and the need to support firefighting operations. These closures include the Glacier Point Road, Bridalveil Creek Campground, the Wawona Campground, the Merced Grove of Giant Sequoias and others," the park's announcement said.
The park's webcams all show its majestic scenery obscured by smoke, CNN reported.The Cal Fire website currently shows 17 active fires burning in California, in what is shaping up to be another intense fire season for the Golden State.
A tornado tore through a city north of Birmingham, Alabama, Monday night, killing one person and injuring at least 30.
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By Katherine Kornei
Clear-cutting a forest is relatively easy—just pick a tree and start chopping. But there are benefits to more sophisticated forest management. One technique—which involves repeatedly harvesting smaller trees every 30 or so years but leaving an upper story of larger trees for longer periods (60, 90, or 120 years)—ensures a steady supply of both firewood and construction timber.
A Pattern in the Rings<p>The <a href="https://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/coppice-standards-0" target="_blank">coppice-with-standards</a> management practice produces a two-story forest, said <a href="https://www.researchgate.net/profile/Bernhard_Muigg" target="_blank">Bernhard Muigg</a>, a dendrochronologist at the University of Freiburg in Germany. "You have an upper story of single trees that are allowed to grow for several understory generations."</p><p>That arrangement imprints a characteristic tree ring pattern in a forest's upper story trees (the "standards"): thick rings indicative of heavy growth, which show up at regular intervals as the surrounding smaller trees are cut down. "The trees are growing faster," said Muigg. "You can really see it with your naked eye."</p><p>Muigg and his collaborators characterized that <a href="https://ltrr.arizona.edu/about/treerings" target="_blank">dendrochronological pattern</a> in 161 oak trees growing in central Germany, one of the few remaining sites in Europe with actively managed coppice-with-standards forests. They found up to nine cycles of heavy growth in the trees, the oldest of which was planted in 1761. The researchers then turned to a historical data set — more than 2,000 oak <a href="https://eos.org/articles/podcast-discovering-europes-history-through-its-timbers" target="_blank" rel="noopener noreferrer">timbers from buildings and archaeological sites</a> in Germany and France dating from between 300 and 2015 — to look for a similar pattern.</p>
A Gap of 500 Years<p>The team found wood with the characteristic coppice-with-standards tree ring pattern dating to as early as the 6th century. That was a surprise, Muigg and his colleagues concluded, because the first mention of this forest management practice in historical documents occurred only roughly 500 years later, in the 13th century.</p><p>It's probable that forest management practices were not well documented prior to the High Middle Ages (1000–1250), the researchers suggested. "Forests are mainly mentioned in the context of royal hunting interests or donations," said Muigg. Dendrochronological studies are particularly important because they can reveal information not captured by a sparse historical record, he added.</p><p>These results were <a href="https://www.nature.com/articles/s41598-020-78933-8" target="_blank">published in December in <em>Scientific Reports</em></a>.</p><p>"It's nice to see the longevity and the history of coppice-with-standards," said <a href="https://www.teagasc.ie/contact/staff-directory/s/ian-short/" target="_blank">Ian Short</a>, a forestry researcher at Teagasc, the Agriculture and Food Development Authority in Ireland, not involved in the research. This technique is valuable because it promotes conservation and habitat biodiversity, Short said. "In the next 10 or 20 years, I think we'll see more coppice-with-standards coming back into production."</p><p>In the future, Muigg and his collaborators hope to analyze a larger sample of historic timbers to trace how the coppice-with-standards practice spread throughout Europe. It will be interesting to understand where this technique originated and how it propagated, said Muigg, and there are plenty of old pieces of wood waiting to be analyzed. "There [are] tons of dendrochronological data."</p><p><em><a href="mailto:email@example.com" target="_blank" rel="noopener noreferrer">Katherine Kornei</a> is a freelance science journalist covering Earth and space science. Her bylines frequently appear in Eos, Science, and The New York Times. Katherine holds a Ph.D. in astronomy from the University of California, Los Angeles.</em></p><p><em>This story originally appeared in <a href="https://eos.org/articles/tree-rings-reveal-how-ancient-forests-were-managed" target="_blank">Eos</a></em> <em>and is republished here as part of Covering Climate Now, a global journalism collaboration strengthening coverage of the climate story.</em></p>
Earth's ice is melting 57 percent faster than in the 1990s and the world has lost more than 28 trillion tons of ice since 1994, research published Monday in The Cryosphere shows.
By Jewel Fraser
Noreen Nunez lives in a middle-class neighborhood that rises up a hillside in Trinidad's Tunapuna-Piarco region.