Phosphorus Found to Be Another Culprit in Gulf of Mexico's 'Dead Zone'

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A research boat gathers seawater samples in the Gulf of Mexico to test for nutrient levels. Credit: Quay Dortch
A research boat gathers seawater samples in the Gulf of Mexico to test for nutrient levels. Credit: Quay Dortch

Nitrogen is flowing down the Mississippi River and into the Gulf of Mexico faster than it can be consumed by floating microscopic plants called phytoplankton, increasing the size of the "dead zone" off the Louisiana coast. The findings, based on analysis of data gathered in 2001, are published online this week in the journal Environmental Science and Technology.


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All News summaries for November 13, 2006

Using neutron-computed tomography techniques, scientist measure in-situ water content

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Scientists at the University of California in Davis present results from a newly developed non-invasive technique that uses thermal neutron attenuation to measure spatial and temporal distribution of water in soils. The study, ...

Mind the gap: VLT instrument hints at the presence of planets in young gas discs

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Astronomers have been able to study planet-forming discs around young Sun-like stars in unsurpassed detail, clearly revealing the motion and distribution of the gas in the inner parts of the disc. This result, ...

Steins: A diamond in the sky

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(PhysOrg.com) -- The first images from Rosetta's OSIRIS imaging system and VIRTIS infrared spectrometer were derived from raw data this morning and have delivered spectacular results.

Launch of GOCE Satellite delayed

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(PhysOrg.com) -- The preparatory activities for the launch of ESA's GOCE satellite from the Plesetsk cosmodrome in northern Russia had to be stopped yesterday afternoon (Sunday 7 September) by Eurockot due ...

Tracking down the menace in Mexico City smog

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A new report by scientists who are part of the international MILAGRO Campaign indicates that some of the most harmful air pollution in Mexico City may not come from motor vehicles but instead originates with ...