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News
Sand overextraction weakening riverbanks as concrete demand soars
2+ week, 3+ day ago (245+ words) The Guardian Sand overextraction weakening riverbanks as concrete demand soars Research finds demand has more than doubled since 2000 and 80% of current demand comes from Asia A booming demand for concrete has resulted in sand and gravel being extracted from riverbeds…...
Using thunderquakes to X-ray earth – a new study shows urban seismology in action
2+ week, 5+ day ago (720+ words) Updated - August 24, 2026 02:18 pm IST When lightning strikes, it superheats the air around it and creates a shock wave that we hear as thunder. But thunder doesn’t just travel through the atmosphere to our ears. When that energy reaches the ground,…...
Using Thunderquakes To X-Ray Earth: A New Study Shows Urban Seismology In Action
3+ week, 2+ hour ago (723+ words) Published: August 23, 2026 at 10:47 AM IST Pennsylvania: When lightning strikes, it superheats the air around it and creates a shock wave that we hear as thunder. But thunder doesn’t just travel through the atmosphere to our ears. When that energy reaches…...
eHandbook: Flow Measurement
3+ week, 3+ day ago (86+ words) controlglobal.com Flow measurement is in the middle of a decisive shift. For example, differential pressure flowmeters—long saddled with complex, Reynolds-number-dependent calculations—are getting simpler. In this E-handbook, we discuss a new "Energy Correlation Method" that strips out discharge…...
Scientists warn of global depletion of river sand reserves
1+ mon, 5+ day ago (298+ words) Scientists have warned of the global depletion of river sand reserves, saying it is being extracted around the world far faster than natural processes can replenish it, according to a comprehensive review of 411 studies published in Reviews of Geophysics. The…...
THE SECRET LIFE OF MOUNTAIN WATER
1+ mon, 2+ week ago (688+ words) Long before water emerges through an aflaj channel or flows from a mountain spring, it begins an invisible journey deep beneath Omanâs rugged landscapes.Hidden beneath the dramatic peaks of Al Jabal Al Akhdhar, Jabal Shams and the Al…...
Forest Service hydrologist breaks down post-Pocket Fire flood risk
1+ mon, 3+ week ago (898+ words) Scientists with the Burned Area Emergency Response Team have finished their work to determine the impacts of the 27,000-acre Pocket Fire on the Mogollon Rim and in canyons along Oak Creek and north of Sedona. They say the fire increased…...
Geologists have taught for decades that rivers needed plants to form their distinctive S-shaped meanders, but Stanford University researchers published a study in August 2025 showing that rivers were carving those curves long before vegetation existed on land
1+ mon, 3+ week ago (957+ words) For most of Earth’s history, no trees, grasses or roots held riverbanks together. The familiar geological picture has been that these barren continents were...
The Lakes That Sit Below Sea Level
1+ mon, 4+ week ago (848+ words) Essentially giant collectors of water, most lakes are associated with low-lying landscapes. But a small number occupy basins that go even further, sitting below the level of the ocean. These unusual bodies of water form in places often shaped by…...
UNM-led study traces the origins of the Colorado River through Grand Canyon
2+ mon, 3+ day ago (403+ words) For more than 150 years, scientists have debated when and how the Colorado River first carved its way through the Grand Canyon. Now, a new study led by researchers at The University of New Mexico offers compelling evidence that the river…...