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News Release 11-100
After Japan Nuclear Power Plant Disaster: How Much Radioactivity in the Oceans?
National Science Foundation awards rapid-response grants to establish ocean radionuclide levels from Fukushima
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Radiation level in the oceans in 1990, mostly from nuclear weapons testing, measured in Becquerels.
Credit: Woods Hole Oceanographic Institution
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Gamma-spectrum of a 20-liter seawater sample from Guam collected on April 11, 2011.
Credit: Henrieta Dulaiova, University of Hawaii
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Hundreds of liters of seawater are sampled for radioactivity from the central Pacific Ocean.
Credit: Henrieta Dulaiova, University of Hawaii
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Satellite image from 160 kilometers (100 miles) north of the Fukushima nuclear power plant in Japan. Japan's two large ocean currents--the Kuroshio and the Oyashio--converge here.
Credit: NASA
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A single frame from an animation showing the path of ocean currents off Japan.
Credit: SIROCCO coastal ocean modeling program
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Human sources of radiation in the atmosphere, compared with natural radionuclides in the ocean.
Credit: Jack Cook, Woods Hole Oceanographic Institution
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