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World Ocean Day: photos; tide info; rip tide danger; oceans' oxygen contribution [View all]
EarthSky
Your best ocean photos
Thank you for these beautiful images, in celebration of World Oceans Day 2015!
More
http://earthsky.us1.list-manage.com/track/click?u=e56e7a92b1c5790f7343ef95a&id=65e11207ca&e=dc13e7b006
Tides, and the pull of the moon and sun
The sun and moon, shape of a beach, angle of a seabed and prevailing ocean currents, and the winds, all affect the height of the tides.
http://earthsky.us1.list-manage1.com/track/click?u=e56e7a92b1c5790f7343ef95a&id=5ab96dd77f&e=dc13e7b006
Video: Perpetual ocean
A beautiful video visualization of ocean currents around the world.
NASA: Perpetual Ocean
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http://earthsky.us1.list-manage.com/track/click?u=e56e7a92b1c5790f7343ef95a&id=3b4dedd081&e=dc13e7b006
How much do oceans add to world's oxygen?
Most of Earth’s oxygen comes from tiny ocean plants – called phytoplankton – that live near the water’s surface and drift with the currents.
http://earthsky.us1.list-manage.com/track/click?u=e56e7a92b1c5790f7343ef95a&id=9f0b81563f&e=dc13e7b006
Video: Rip currents #1 danger for beach-goers
These currents can flow faster than humans can swim. If you're going to the beach this summer, this is one video you and your kids need to watch.
http://earthsky.us1.list-manage2.com/track/click?u=e56e7a92b1c5790f7343ef95a&id=c9ac9519ed&e=dc13e7b006
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