In Brief: Anoxic ``dead zones'' in oceans; Some Mars rocks likely formed in water

Details In Brief: Anoxic ``dead zones'' in oceans; Some Mars rocks likely formed in water In Brief: Anoxic ``dead zones'' in oceans; Some Mars rocks likely formed in water

Apr 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004eostr..85r.134s&link_type=abstract

EOS Transactions, AGU, Volume 85, Issue 14, p. 134-134

Physics

General News

Scientific paper

The number of oxygen-starved ``dead zones'' in the world's oceans and seas is rising, according to a report of the United Nations Environment Programme published 29 March-the result of excessive nutrients, mainly nitrogen, from the use of synthetic fertilizers in agriculture, as well as vehicle and factory air emissions. NASA's Opportunity Rover has found that some rocks on Mars probably formed as deposits in a shallow salt flat, or playa, rover science team members announced on 23 March. When scientists announced on 2 March that they had found strong evidence that a rock outcrop in Mars' Meridiana Planum region once was a wet and habitable environment, they had still been uncertain about whether the rocks had been laid down in liquid water. (See Eos, 16 March 2004.)

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