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Interesting little things…

GIFs: California Reservoirs From Drought to Deluge

A five-year drought in California ended spectacularly this winter, with the state emerging from one of its driest periods on record by enduring one of its wettest. Reservoirs, lakes, and mountainsides are now brimming with water and snow, though scientists caution that the unseen reservoirs—underground aquifers—are a long way from having the same bounty that is visible on the land surface. [Full post on NASA Earth Observatory]

Trinity Lake, the third largest reservoir in the state (after Lake Oroville and Shasta Lake). The artificial lake in northern California connects to the Trinity River and is part of the Sacramento basin. On April 29, 2015, Trinity stood at 59 percent of its historical average level for that date; by April 2, 2017, it stood at 114 percent.

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GIFs: Shanghai Sticks Tongue Out to the Sea

The number of people living in Shanghai is not the only thing about the city that has increased dramatically since the 1980s. The amount of land available to its residents has grown as well. By building seawalls just off the coast to capture outflowing sediment, and by using dredging equipment that sucks up and moves large volumes of sand, Shanghai has added well over 580 square kilometers (220 square miles) of land to its shorelines since 1985.

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GIFs: Spanish Peaks Turn Tan (by NASA)

来自非洲撒哈拉大沙漠的沙尘千里迢迢洒在了西班牙的雪山上,山舞银蛇的景象不再,在滑雪爱好者眼中尤其大煞风景。【原文见NASA Earth Observatory

Two days after it was lofted into the air over the Sahara Desert on February 20, dust blew north into Spain and Europe. As dust particles settled down en masse on the snow-covered peaks of Spain’s Sierra Nevadas, they left the mountains a very different color. [GIF shows Feb. 18 – Feb. 27, 2017. Original post on NASA Earth Observatory]

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Numbers in January 2017

Share of time spent by US social media users by, respectively, smartphone | desktop/laptop | tablet (Nielsen, Q3 2016):

18-34 (millennials): 78% | 12% |10%
35-49:                         69% | 18% | 13%
50+:                            63% | 25% | 12%

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