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Earth Expeditions

    A Day in the Life of the Ocean Currents

    A whiteboard lists the day's schedule.

    By Mara Freilich, Postdoctoral Fellow at the Scripps Institution of Oceanography. // ABOARD THE SALLY RIDE // While doing oceanographic fieldwork, we live and work on the ship. This is the second week that we have been at sea. While there is a rhythm to life at sea, every day is different. Since we are …

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    In Dust and Clouds Over Africa, Scientists Find Clues to How Hurricanes Form

    A layer of dust, which appears brown, layered atop a cloud, as seen from the window of the DC-8 aircraft.

    By Kathryn Cawdrey, Science writer for NASA's Earth Science News Team //OVER THE ATLANTIC OCEAN NEAR CABO VERDE// When the dust that wafts off the Sahel and Sahara regions of Africa mixes with tropical clouds, it creates what's known as a rainy "disturbance" in the eastern Atlantic. These disturbances are hurricanes in their youngest form, …

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    Elation Through Filtration: An Oceanographer’s Sensations at Sea

    Different interpretations of the filtration rack aboard the R/V Sally Ride

    By Dante Capone, Ph.D. student at the Scripps Institution of Oceanography // ABOARD THE SALLY RIDE // Being a biological oceanographer on a physical oceanographic voyage has highlighted a key distinction between the two disciplines. Physical oceanographers rely on sensing – deploying instrumentation that measures properties of the water: temperature, velocity, oxygen, etc. Those data …

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    A Nervous Flier’s Guide to Riding the Snowy Skies

    View out a plane window over the wing. The sky is entirely gray as the plane flies through a storm cloud.

    By Erica McNamee, Science Writer at NASA's Goddard Space Flight Center //OVER NEW YORK STATE// I grew up flying in planes. I'm comfortable in them. But there's one part of flying I've never gotten used to: turbulence. It's common on commercial flights, so over the years I've learned a few tips and tricks on how …

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    The Adventures of NASA Scientists through the Florida Marshes

    By Erica McNamee, science writer for NASA's Goddard Space Flight Center // GREENBELT, MARYLAND // Look up to the blue skies, look right to the boats floating out at sea, look left to the deep green marshes of the Everglades and Big Cypress National Parks in Florida. This mangrove ecosystem contributes to the larger cycle …

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    Following the Ocean Fronts

    A pink and purple sunrise over the ocean.

    By Audrey Delpech, postdoc in the Atmospheric and Oceanic Sciences department at UCLA Being part of the NASA S-MODE oceanographic mission was a great experience for me. It was only my second oceanographic mission and my first one on a US research vessel. I learned a lot about how to use the different instruments, interpret …

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    Life at Sea: Books of the Bold Horizon

    By Kelly Luis, NASA Postdoctoral Program Fellow at the Jet Propulsion Laboratory, California Institute of Technology // Aboard the Bold Horizon // ʻAʻohe o kahi nana o luna o ka pali; iho mai a lalo nei; ʻike ke au nui ke au iki, hea lo a he alo. The top of the cliff isn't the …

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    Cloudy with a Chance for Whirlpools: Ocean Models Guide NASA’s S-MODE Mission

    By Joseph D'Addezio, oceanographer with the U.S. Naval Research Laboratory // NASA's Stennis Space Center in southern Mississippi // NASA's S-MODE mission faces quite the challenge: robustly observe, for the first time, ocean features spanning up to about 6.2 miles (10 kilometers) across. Currently, the oceanographic community routinely observes and studies very large ocean features, …

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