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GEOGRAPHY EDUCATION

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fluvial

The Tidal Waves of the Qiantang River

For hundreds of years, on the eighth month of the lunar calendar, people have gathered along the shores of China’s Qiantang River at the head of Hangzhou Bay to witness the waves of its famous bore tide. Higher-than-normal high tides push into the harbor, funneling into the river, causing a broad wave that can reach up to 30 feet high. If the waves surge over the banks, spectators can be swept up, pushed along walkways or down embankments. Below, I’ve gathered images from the past few years of the Qiantang bore tides.

Source: www.theatlantic.com

This is an amazing set of images, where a cultural phenomenon is wrapped up in observing the pulsating physical geography of the river.  Usually the tidal bore is impressive (but not dangerous–see video here), but occasionally it can be incredibly violent (see this 2015 video).   

 

Tags: physical, geomorphologywaterChina.

Drought Drains Lake Mead to Lowest Level

“The largest reservoir in the U.S. falls to its lowest water level in history, Nevada State Sen. Tick Segerblom introduced a bill title and issued a press release on July 8 calling for an ‘independent scientific and economic audit of the Bureau of Reclamation’s strategies for Colorado River management.'”

This week’s history-making, bad-news event at Lake Mead has already triggered lots of news stories, but almost all of these stories focus on the water supply for Las Vegas, Phoenix and California. But what about the health of the river itself?

Tags: physicalfluvial, drought, water, environment.

Source: ecowatch.com

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