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What’s Up With Water – December 13, 2022

Circle of Blue

The SWOT mission, as its called, will measure weekly changes in the world’s major rivers, lakes, wetlands, and oceans. For oceans, the satellite will track small-scale currents and eddies that transport nutrients, salt, and heat. Scientists have identified 468 of these transboundary groundwater basins.

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Colorado River Forecasts Not a ‘Crystal Ball’

Circle of Blue

Because Mead is so low, the August results triggered the first-ever Tier 1 shortage on the lower Colorado River, a declaration that means mandatory cuts in water deliveries in 2022 to Arizona, Nevada, and Mexico. But it cannot predict the future. Click To Tweet. Here’s how that works. Their task is to assess what the rivers might do.

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Antarctic extreme events: ‘All-time records are being shattered not from decades ago, but from the last few years and months’

Frontiers

In addition, it stores vast quantities of freshwater that if released to the ocean would rise sea level by tens of meters and interfere with saline-driven ocean currents that transfer heat around the planet. In the ocean, 19 marine heatwaves have been recorded between 2002 and 2018. Prof Martin Siegert in Antarctica.

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Using Clouds to Fight Climate Change

HumanNature

Guest Post by Kathryn Moore , 2022-2023 Sustainability Leadership Fellow, and Ph.D. CCN can come from almost anywhere: smoke from fires or volcanoes, sea spray from the ocean, soil or dust, plants, or human activity such as driving a car. Using satellites, this effect is visible in regions of the ocean where heavy ship traffic exists.

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Science denial is still an issue ahead of COP28

Real Climate

The only region of cooling is the northern Atlantic, where climate models have long predicted just that due to a slowing of the Atlantic Ocean overturning circulation. The heating of the global ocean has been going on at a steady rate of nine zeta Joules per year for decades , which is 15 times the worldwide primary energy consumption.

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Solar Geoengineering in the News — Again and Again

Legal Planet

Highlights include: A tiny startup firm, “Make Sunsets,” launched a couple of weather balloons with a few grams of SO 2 in late 2022 from a private property in Baja California, Mexico. The current spike of news coverage spans a wide range from the serious to the silly.

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Climate warnings: over 200 people die as Germany suffers Europe’s most deadly extreme weather event

A Greener Life

The theme of how aggressively to tackle climate change may well play a key role in deciding who the next Chancellor of Germany will be as Merkel’s term draws to a close at the end of this year. Germany became extra reliant on coal after deciding to decommission its entire nuclear fleet, which delivered low-carbon energy, by 2022. .