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Down in the slumps: Tracing erosion cycles in arctic permafrost

In the Arctic, landslide-like features known as mega retrogressive thaw slumps are threatening infrastructure, altering regional biogeochemistry, and emitting carbon......»»

Category: topSource:  physorgOct 21st, 2024

Past warm period reveals limited near-surface permafrost extent

An international research team led by Dr. Guo Donglin from the Institute of Atmospheric Physics of the Chinese Academy of Sciences has revealed the extent of near-surface (about 3–4 m depth) permafrost during the mid-Pliocene warm period (about 3.2.....»»

Category: topSource:  physorgRelated NewsAug 29th, 2023

Earth"s "third pole" and its role in global climate

Located at the intersection of South, Central, and East Asia, the massive Tibetan Plateau is often considered to be Earth's "third pole." A land of large glaciers, permafrost, and heavy snow, the plateau feeds a vast network of rivers, including majo.....»»

Category: topSource:  physorgRelated NewsAug 25th, 2023

Nvidia announces a community-made RTX remaster of Half-Life 2

PBR materials, full ray-tracing, and DLSS are coming to Half-Life 2. A teaser for Half-Life 2's RTX conversion. First it came to Portal, now it's coming to the Source engine's other big classic: Half-Life 2 is getting a ray-tracing.....»»

Category: topSource:  arstechnicaRelated NewsAug 23rd, 2023

Nvidia’s DLSS 3.5 update flips ray tracing on its head

Nvidia is already making a major update to its storied DLSS feature, and it promises to take ray tracing to the next level......»»

Category: topSource:  digitaltrendsRelated NewsAug 22nd, 2023

New research provides unprecedented look at what influences sea ice motion in the Arctic

A new study led by researchers at Brown University offers fresh insights into the forces above and beneath the ocean surface that influence how sea ice moves and disperses in the Arctic Ocean, which is warming at over twice the rate of the global ave.....»»

Category: topSource:  physorgRelated NewsAug 16th, 2023

Scientists say deepening Arctic snowpack drives greenhouse gas emissions

Human-caused climate change is shortening the snow cover period in the Arctic. But according to new research led by Earth system scientists at the University of California, Irvine, some parts of the Arctic are getting deeper snowpack than normal, and.....»»

Category: topSource:  theglobeandmailRelated NewsAug 16th, 2023

Ray tracing vs. path tracing — which is the best dynamic lighting technique?

Ray tracing and path tracing are two advanced lighting effects that are making modern games look amazing, but which is better and how do they work?.....»»

Category: topSource:  digitaltrendsRelated NewsAug 14th, 2023

Arctic monitoring program plays vital role in global pollution reduction efforts

Historically, the Arctic was considered a pristine region, but scientific research spanning the last three decades has revealed the harsh reality of long-range transported pollutants reaching the Arctic from different corners of the world. In respons.....»»

Category: topSource:  physorgRelated NewsAug 11th, 2023

Rye the right crop for "nabbing" nitrates, capturing carbon and generating bioenergy

Winter rye is prized for its versatility. It is a source of grain and also a forage and ground cover that protects the soil from erosion by wind and rain. But the benefits of winter rye don't stop there......»»

Category: topSource:  theglobeandmailRelated NewsAug 10th, 2023

Tiny "ice mouse" survived Arctic cold in the age of dinosaurs

Paleontologists working in northern Alaska have discovered a tiny fossil mammal that thrived in what may have been among the coldest conditions on Earth about 73 million years ago......»»

Category: topSource:  theglobeandmailRelated NewsAug 10th, 2023

Mars rover finds signs of seasonal floods

It's an exciting find because wet/dry cycles may be central to pre-life chemistry. Enlarge / The newly described deposits (left) have their shapes highlighted in red at right. (credit: NASA/JPL-Caltech/MSSS/IRAP) The pro.....»»

Category: topSource:  arstechnicaRelated NewsAug 10th, 2023

Telecommunications cable used to track sea ice extent in the Arctic

A telecommunications fiber optic cable deployed offshore of Oliktok Point, Alaska recorded ambient seismic noise that can be used to finely track the formation and retreat of sea ice in the area, researchers report in The Seismic Record......»»

Category: topSource:  physorgRelated NewsAug 9th, 2023

Gray whales feeding along the Pacific Northwest coast are smaller than their counterparts who travel farther to forage

Gray whales that spend their summers feeding off the coast of Oregon are shorter than their counterparts who travel north to the Arctic for food, new research from Oregon State University's Marine Mammal Institute shows......»»

Category: topSource:  physorgRelated NewsAug 9th, 2023

Public interest vs. private homes: Climate change and erosion fuel disputes along Lake Michigan"s shoreline

Steve Coombs' lakefront home used to quake when waves crashed along Ogden Dunes' receding shoreline......»»

Category: topSource:  physorgRelated NewsAug 7th, 2023

Great Barrier Reef decline could impact Queensland"s coastal erosion

Coastal wave action occurs due to complex interactions between offshore ocean conditions and the local landscape of the coastline, in addition to the effects of currents, tides and storms. It is an important process that affects the transport of sedi.....»»

Category: topSource:  physorgRelated NewsAug 7th, 2023

Researchers reveal mechanism triggering Arctic daily warming

Prof. Ren Baohua and his team from the School of Earth and Space Sciences, the University of Science and Technology of China (USTC) of the Chinese Academy of Sciences (CAS), uncovered the connection between Arctic daily warming and the equator region.....»»

Category: topSource:  physorgRelated NewsAug 7th, 2023

New research shows the complexity of bacterial circadian clocks

Bacteria make up more than 10% of all living things but until recently we had little realization that, as in humans, soil bacteria have internal clocks that synchronize their activities with the 24-hour cycles of day and night on Earth......»»

Category: topSource:  physorgRelated NewsAug 4th, 2023

Plankton evidence reveals a seasonally ice-free ocean during the Last Interglacial

A subpolar species associated with Atlantic water expanded far into the Arctic Ocean during the Last Interglacial, analysis of microfossil content of sediment cores reveals. This implies that summers in the Arctic were ice free during this period. Th.....»»

Category: topSource:  theglobeandmailRelated NewsAug 4th, 2023

AMD fixes another hiccup with ray tracing support

It appears that gamers who are eager to play Ratchet & Clank: Rift Apart on PC may have to play without ray tracing if they're using an AMD GPU......»»

Category: topSource:  digitaltrendsRelated NewsAug 1st, 2023

Bangladesh is undertaking the world"s largest resettlement program—and the climate is making it harder

Bangladesh is particularly vulnerable to climate extremes. The nation's topography lays its citizens bare to cyclones, flash floods, erosion and drought—not to mention the significant socio-economic impact these bring......»»

Category: topSource:  physorgRelated NewsJul 31st, 2023