العلوم والبيئة
Patchier permafrost is linked to more intense hillslope erosion in Alaska
المصدر: Phys.org - latest science and technology news stories · نُشر
The Arctic is warming four times faster than the rest of the globe, and scientists are racing to understand how that fact affects the region's landscapes and ecosystems. Permafrost thaw is one of the most visible signs of climate change, with whole hillslopes of previously frozen
The Arctic is warming four times faster than the rest of the globe, and scientists are racing to understand how that fact affects the region's landscapes and ecosystems. Permafrost thaw is one of the most visible signs of climate change, with whole hillslopes of previously frozen ground slumping off and coastlines falling into the ocean. It's disrupting ecosystems, releasing carbon, and threatening Indigenous communities in the far north.
أخبار ذات صلة
Earth's mantle was 'breathing' oxygen a billion years before it hit the atmosphere, mineral time capsules reveal
Why is there life on Earth? It's one of the oldest questions humans have asked, and as far as we know, our planet is the only one that holds the answer.
Phys.org - latest science and technology news stories ·
Bering Land Bridge base camp reveals what life was like nearly 14,000 years ago
The area of water between Russia and North America and the Pacific and Arctic oceans is now known as the Bering Strait. Yet it was once what we call the Bering Land Bridge, an exposed land and maritime region that connected Asia to North America.
Phys.org - latest science and technology news stories ·
Europe's new Sentinel-3C satellite just sent back spectacular images of Earth
Europe's Sentinel-3C satellite has returned breathtaking images of Earth just two weeks after launch, revealing the snowy Alps, frozen Arctic islands, and brilliant turquoise Caribbean waters. Its first measurements also show promising results for tracking rising seas, melting ic
All Top News -- ScienceDaily ·
Aboard an icebreaker, a writer got a closer look at the Arctic's 'Sea Change'
Sea Change. '/> As polar ice melts in the Arctic, shipping lanes are opening up, making the region a new zone of superpower competition. Writer Rana Foroohar explains the stakes in Sea Change.
NPR Topics: World ·
As a TV enthusiast, I was hoping for more from the Apple TV 4K
The new Apple TV 4K and remote look just like the old ones and mostly have the same features. It's been four long years since the last Apple TV 4K was released, and in that time there have been lots of hopes and dreams for features in whatever comes next. A new chip, 4K/120Hz sup
The Verge ·