Rivers
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World
Astronomers get detailed image of ancient rivers on Mars
(ORDO NEWS) — The European space agency ESA has demonstrated the first detailed image of the surface of Mars. The image clearly shows complex geological formations, which, according to the authors of the study, are traces of ancient rivers and streams. The picture and its brief description can be found on the official ESA website. It was obtained using the high resolution stereo camera (HRSC) installed aboard the Mars Express…
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Rare ice pancakes formed on rivers in Scotland and England
(ORDO NEWS) — Dozens of amazingly perfect circles of ice, known as “ice pancakes”, have appeared on the surface of a Scottish river after the temperature in the UK unexpectedly plummeted. Callum Sinclair, project manager for the Scottish Invasive Species Initiative (SISI), spotted the stunning circular ice floes on Dec. 9 on the River Bladnoch in Wigtownshire, Scotland. Photos of the unusual ice pancakes taken by Sinclair were posted on…
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People violated the most important functions of rivers
(ORDO NEWS) — Over the past 40 years, humans have caused unprecedented changes in the formation of river sediment. River sediments – mainly sand, silt and clay – play an important ecological role, providing a habitat for various organisms. They also benefit humans by providing nutrients to agricultural soils and curbing climate change-driven sea level rise by delivering sand to deltas and coastlines. However, now all these features are under…
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Researchers think they have figured out the cause of the strange behavior of the rivers
(ORDO NEWS) — Throughout human history, the world‘s most important cities have thrived on the banks of rivers. But rivers can also be a destructive force. They regularly overflow, and in rare cases they can change course dramatically. These “leaps” of the channel, called avulsions, caused some of the deadliest floods in human history. In the late 19th and early 20th centuries, more than 6 million people died as a…
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Rivers around the world are flooded with colossal amounts of antibiotics
(ORDO NEWS) — A few years ago, scientists at the University of York conducted a study in which they took water samples in seven hundred rivers in 72 countries. The analysis showed that all of them are heavily contaminated with antibiotics. According to experts, a few years ago they recorded a huge concentration of antibiotics, and in some reservoirs it was many times higher than the norm. A new study…
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Traces of drugs have been found in rivers around the world. Some levels exceed safety standards
(ORDO NEWS) — A new study has pointed to high concentrations of potentially toxic substances in rivers around the world. According to scientists, pharmaceuticals are present in more than a quarter of the world’s rivers. A person leaves a trace. including chemical… A new study led by the University of York, UK, examined 258 rivers around the world, including the Thames in London and the Amazon in Brazil. The scientists…
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Climate change could open ‘rivers in the sky’ over East Asia
(ORDO NEWS) — We know the climate crisis is already having a profound impact on global weather systems, changing temperatures, rainfall, wind patterns and more, and a new study predicts likely downpours over East Asia’s mountains in the future. According to scientists, heavy rains will be caused by atmospheric rivers. These narrow corridors of concentrated moisture can quickly cause flooding when they hit a barrier like a mountain range, releasing…
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Where are rivers and oceans in the solar system?
(ORDO NEWS) — Some moons of Jupiter and Saturn are so rich in water that it forms whole seas there. On the surface of Titan, in turn, liquid hydrocarbons flow in channels, and the largest reservoir of liquid exceeds the Caspian Sea in area. Gazeta.Ru talks about extraterrestrial oceans in which, hypothetically, life can exist, and in some you can even swim. In 2021, Russian scientists discovered huge reserves of…