Elusive dead zone tracked in the Pacific

Jeff Barnard, MSNBC.com

This MSNBC newspaper article provides general information about poor water quality off the Oregon coast. The article recounts how scientists are hunting for very low levels of oxygen, a sign of what is called the dead zone. The article includes possible causes of the dead zone and how it may relate to climate cycles. This site also features a related story about the Mississippi River delta dead zone.

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Subject: Geoscience:Geology:Geochemistry, Biology:Ecology:Principles, Biology:Microbiology, Geoscience:Hydrology:Surface Water:Water Quality/Chemistry , Biology:Ecology:Habitats:Water Column, Marine
Resource Type: Scientific Resources:Overview/Reference Work
Grade Level: General Public, College Lower (13-14), Middle (6-8), High School (9-12)
Theme: Teach the Earth:Course Topics:Geochemistry, Teach the Earth:Teaching Topics:Water, Teach the Earth:Course Topics:Hydrology/Hydrogeology, Ecology
Extreme Environments: Altered by Humans, Anoxic
Ocean Environments: Coastal and Estuarine, Surface Waters
Topics: Biosphere:Ecology:Habitats:Water Column, Marine, Biosphere:Microbiology, Solid Earth:Geochemistry, Biosphere:Ecology:Food Webs, Hydrosphere/Cryosphere:Surface Water:Water Quality/ChemistryKeywords: hypoxia, eutrophication