An adventurer just journeyed into Americas largest national park – and here’s what he found

April 30, 2018 by  
Filed under Eco, Green

Comments Off on An adventurer just journeyed into Americas largest national park – and here’s what he found

The largest national park in America is one few have ever heard of, and even fewer have visited. Wrangell-St. Elias National Park and Preserve encompasses 13.2 million acres of glaciers and forests in the southeast of Alaska . Mark Jenkins, writer-in-residence at the University of Wyoming , decided to journey into the big unknown of the park’s landscape for Smithsonian magazine to capture what it looks like today, knowing that in 10 years, it would look entirely different because of  climate change . What he saw was absolutely breathtaking, in more ways than one. Wrangell-St. Elias National Park and Preserve is massive – it could fit Yosemite, Yellowstone and the entire country of Switzerland within its borders. But even though it is the biggest park in the country, it gets just 70,000 visitors a year. In contrast, Yellowstone gets 4 million. The park holds 3,000 glaciers, some of the largest in the country, and no one knows them better than the 250 residents of McCarthy, a bush down tucked deep in the park that isn’t accessible by car. Related: Alaskan city’s temperatures spiked so significantly NOAA algorithms thought they were wrong Jenkins met with some of the residents of McCarthy, and they showed him the changing landscape, giving him a once-in-a-lifetime tour of the glaciers and rivers that make up the landscape. “Bottom line, the glacial rivers are growing and the glaciers are retreating and diminishing,” Mark Vail, a resident since 1977 told Jenkins. “The Kennicott Glacier has retreated over half a mile since I first came here. Ablation has shrunk the height of the glacier by hundreds of feet in the last century.” Jenkins found the most obvious signs of these changes when he visited the nearby mining town of Kennecott. Photographs from Kennecott’s heyday a century ago show the massive Kennicott Glacier towering over the mill, but today the glacier sits below the mill. Jenkins talked to glaciologist Michael Loso while dining in McCarthy’s Potato restaurant. He told Jenkins about Iceberg Lake, which suddenly vanished in 1999. Loso explained that the resulting open land left by the lake allowed scientists to determine what the lake looked like even during warming periods in the past. The news was grim: “They’re an archival record that proves there was no catastrophic lake drainage, no jokulhlaup, even during the Medieval Warming Period,” he said. “When Iceberg Lake vanished, it was a big shock. It was a threshold event, not incremental, but sudden. That’s nature at a tipping point.” To read the rest of the story, and to view the astonishing photos that Nathaniel Wilder took on his journey with Jenkins, check out Smithsonian magazine . + Smithsonian Images courtesy of Nathaniel Wilder for Smithsonian Magazine , Google Maps and the NPS  

Read more from the original source:
An adventurer just journeyed into Americas largest national park – and here’s what he found

The world’s tallest active geyser in Yellowstone keeps erupting – and scientists don’t know why

April 30, 2018 by  
Filed under Eco, Green

Comments Off on The world’s tallest active geyser in Yellowstone keeps erupting – and scientists don’t know why

Something strange is happening at the tallest geyser in the world in  Yellowstone  park  – and scientists can’t explain it. Steamboat Geyser can shoot up to 300 feet in the air when it erupts, which isn’t often, but over the past six weeks, the geyser has erupted three times. Even though scientists may be baffled as to why the geyser has suddenly become so active, don’t panic. They don’t believe it is an indication that Yellowstone’s supervolcano is getting ready to erupt. ? The last time Steamboat Geyser was this active was in 2003. Normally, it can go a year or more between eruptions. The park is still covered in deep snow, but a brave visitor reported seeing the geyser erupt on Friday around 6:30 am. This is the third time it has erupted since March 15. Before that, it’s last major eruption was in 2014. Related: Scientists just learned what makes Yellowstone’s supervolcano tick Scientists say that there is no reason to think that this activity is an indication that the supervolcano that Yellowstone sits on is getting ready to blow. “There is nothing to indicate that any sort of volcanic eruption is imminent,” said Michael Poland, lead scientist at the Yellowstone Volcano Observatory . It could just be the “randomness” of geysers, he added. What would be concerning is if the hydrothermal systems in Yellowstone started drying up. That could indicate that the magma boiling in the volcanoes core was making its way to the surface. Via Reuters Images via Wikimedia and Deposit Photos

Continued here: 
The world’s tallest active geyser in Yellowstone keeps erupting – and scientists don’t know why

National Parks Service maps show noise levels across the US—with and without humans

March 13, 2015 by  
Filed under Eco, Green

Comments Off on National Parks Service maps show noise levels across the US—with and without humans

The National Parks Service (NPS) has published a map that shows the average sound levels across the lower 48 U.S. states on a typical summer’s day. While the map was produced as part of the NPS’s work monitoring and controlling noise pollution in park ecosystems, it also incorporates data gathered in urban areas. At a glance you can see that the eastern half of the country is much noisier than the west, but if you really want to get away from it all, the NPS website has hi-res maps available to download so you can zoom in and find some peace and quiet among all that ruckus. Read on for details. Read the rest of National Parks Service maps show noise levels across the US—with and without humans Permalink | Add to del.icio.us | digg Post tags: acoustics , data gathering , map , map of noise pollution in US , national parks service , noise levels , noise pollution , noise pollution map , NPS , soundscape map , US noise pollution

Read more from the original source: 
National Parks Service maps show noise levels across the US—with and without humans

Bad Behavior has blocked 2026 access attempts in the last 7 days.