BlogArena

General blog about anything and everything of everyday's life.

20. Sep 2019

June 9, 2014
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Hydrologists Find Mississippi River’s Buffering System for Nitrates is Overwhelmed

AUSTIN, Texas — A new method of measuring the interaction of surface water and groundwater along the length of the Mississippi River network adds fresh evidence that the network’s natural ability to chemically filter out nitrates is being overwhelmed. The … Continue reading

August 26, 2013
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Real-time Monitoring Pays Off for Tracking Nitrate Pulse in Mississippi River Basin to the Gulf of Mexico

Cutting edge optical sensor technology is being used in the Mississippi River basin to more accurately track the nitrate pulse from small streams, large tributaries and ultimately to the Gulf of Mexico. Excessive springtime nitrate runoff from agricultural land and … Continue reading

February 8, 2012
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Global Extinction: Gradual Doom as Bad as Abrupt

*In “The Great Dying” 250 million years ago, the end came slowly* The deadliest mass extinction of all took a long time to kill 90 percent of Earth’s marine life–and it killed in stages–according to a newly published report. It … Continue reading

June 16, 2011
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Gulf of Mexico Dead Zone Severely Impairs Reproduction in Atlantic Croaker, Researchers Find

AUSTIN, Texas — Atlantic croaker living in the large Gulf of Mexico “Dead Zone” exhibit severe reproductive impairment with potential long-term impacts on the fish’s population abundance, researchers from The University of Texas at Austin’s Marine Science Institute have found. … Continue reading

January 8, 2011
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Widespread Ancient Ocean “Dead Zones” Challenged Early Life

*Persistent lack of oxygen in Earth’s oceans affected animal evolution* The oceans became oxygen-rich as they are today about 600 million years ago, during Earth’s Late Ediacaran Period. Before that, most scientists believed until recently, the ancient oceans were relatively … Continue reading

July 2, 2010
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Reseachers Predict Larger-than-average Gulf ‘Dead Zone’; Impact of Oil Spill Unclear

ANN ARBOR, Mich.—University of Michigan aquatic ecologist Donald Scavia and his colleagues say this year’s Gulf of Mexico “dead zone” is expected to be larger than average, continuing a decades-long trend that threatens the health of a $659 million fishery.