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why is there less drinking water from glaciers

By November 27, 2020 No Comments

As these glaciers contain more water (69%) than all the earth’s rivers and lakes together (.3%) it is a tempting thought that we might be able to ferry water from icebergs to different countries. The project is being highlighted to coincide with International Mountain Day 2019. When flows in these rivers begin to decline, the region’s farmers could face a crisis. What’s happening in the mountains of southeastern Kazakhstan is occurring all over the globe. A new project underway at the University of Alberta will provide never-before-seen insight into the current and future quality of drinking water in western Canada, with a focus on how the melting glaciers will affect these systems. As one of the longest-studied glaciers anywhere, the Tuyuksu helps gauge the impact of climate change on the world’s ice. Flows from Kazakhstan’s glaciers will eventually decline. There is the same amount of freshwater on earth as there always has been, but the population has exploded, leaving the world's water resources in crisis. That’s adding urgency to the researchers’ work. Across the Tibetan Plateau and in the Himalayan and Karakoram ranges, the glaciers number in the thousands and the people who rely on them in the hundreds of millions, along rivers like the Indus in Pakistan, the Ganges and Brahmaputra in India, the Yellow and Yangtze in China and the Mekong in Southeast Asia. In Central Asia, a warming climate is shrinking the Tuyuksu glacier. JAN. 16, 2019. A melting glacier can at first increase stream flow, but eventually the glacier reaches a tipping point, called peak flow, and meltwater begins to taper. It’s losing ice every year. The University of Alberta is a Top 5 Canadian university located in Edmonton, Alberta, and home to 40000 students in a wide variety of programs. Maps by Jeremy White. JAN. 15, 2019. Determining the mix of water sources is important for forecasting how the rivers will fare over time. “This project will fill an important knowledge gap,” said Tank. The Little Almaty and several other glacier-fed rivers flow through and around the city. Satellite image for glacial retreat from DigitalGlobe, 3D model and animation by The New York Times. At the road’s end sits a Soviet-era research station that, like the Tuyuksu itself, has seen better days. Adapted from Huss and Hock (2018) and Rowan et al. On a summer day in the mountains high above Almaty, Kazakhstan’s largest city, the Tuyuksu glacier is melting like mad. Henry Fountain, a New York Times reporter, and Ben C. Solomon, a Times multimedia reporter, traveled to Kazakhstan to see the effects of climate change on mountain glaciers. Near future work will include collaboration with local indigenous communities, such as the Stony Nation and others adjacent to the glaciers and downstreams. The CMN was established in 2019 to support the resilience and health of Canada’s mountain peoples and places through research partnerships based on Indigenous and Western ways of knowing that inform decision-making and action. It would also save him money in the long run by making his fields more productive. They are old, run-down and inefficient. A new project underway at the University of Alberta will provide never-before-seen insight into the current and future quality of drinking water in western Canada, with a focus on how the melting glaciers will affect these systems.. But it is expensive. This research is conducted in collaboration with Alberta Environment and Parks and Parks Canada. Much of the water from the Tuyuksu and other glaciers eventually reaches the lowlands north of Almaty where it irrigates crops. It alters rivers and ecosystems, affecting the organisms that inhabit them. In the mountains of Kazakhstan, the decline may start sooner. Warmer, more humid air means more rain and less snow, which leads to melting and less accumulation of glacier ice. “We are curious to understand how the amount of water will change as well as the chemistry of water and the subsequent effects on the food web and water quality into the future.”, St Louis described an example of one of the subsequent effects of glacial melt on water chemistry: chemicals that are no longer in use could resurface as the glaciers melt. But more efficient water management is what Kazakhstan needs to prepare for the days when the flow from glacier-fed rivers starts to drop off. Project takes a multifaceted look at water sources in the Canadian Rocky Mountains. Melting glaciers alone are expected to threaten the drinking water supply for millions of people. As the Tuyuksu melts, the rivulets turn into torrents, carving channels in the surface. Rivulets of water stream down the glacier’s thin leading edge. They supply some of the drinking water for the region’s two million people and irrigation water for fields of corn and other crops outside the city.

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