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Science Snippets: Water Disappears as Earth Warms

Science Snippets: Water Disappears as Earth Warms

Draft script:

The title of this video makes an obvious statement. As Earth or any part of Earth warms, evaporation accelerates. As a result, surface water evaporates and goes into the atmosphere. Considering Earth is in the midst of the most rapid environmental change in planetary history, we must accept evaporation to be at an all-time high. This short video describes examples of our rapidly drying planet.

From CNN comes a story titled The world’s highest navigable lake is drying out. The story was published 3 September 2023. Here’s the lede: “Water levels at Lake Titicaca – the highest navigable lake in the world and South America’s largest – are dropping precipitously after an unprecedented winter heat wave.” The first paragraph concludes with this sentence: “The shocking decline is affecting tourism, fishing and agriculture, which locals rely on to make a living.”

The article published by CNN goes on: “Visitors have long been attracted to the blue waters and open skies of South America’s largest lake, which straddles more than 3,200 square miles across the border of Peru and Bolivia.

Sometimes described as an ‘inland sea,’ it is home to Aymara, Quechua, and Uros indigenous communities and sits at an altitude of around 3,800 meters (12,500 feet) in the central Andes mountain range, making it the highest navigable lake in the world. The extreme altitude also exposes the lake to high levels of solar radiation, which enhances evaporation and constitutes most of its water losses.

More than three million people live around the lake, relying on its waters to fish, farm and attract tourists who boost the economy of an otherwise marginalized region.

Now the lake is at risk of losing some of that magic.”

…click on the above link to read the rest of the article…

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