May 2013
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Water & Wastewater E-Zine May 2013 |
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| This Month´s Featured Articles, Papers & Reports |
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Can nutrient trading shrink the Gulf of Mexico`s dead zone?
The Gulf of Mexico has the largest dead zone in the United States and the second-largest in the world. Dead zones form when excessive amounts of nitrogen and phosphorous wash into waterways and spur algal blooms, depleting the water of oxygen and killing fish, shrimp, and other marine life. The Gulf of Mexico dead zone can range between an astounding 3,000 and 8,000 square miles. At its largest, it’s about the size of Massachusetts. Reducing this growing dead zone problem is a huge scientific, ... | ||
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The water-energy-climate nexus in Mexico`s agricultural use of groundwater
Human water use is a main driver of the spatial distribution and temporal availability of water resources globally (Vörösmarty et al. 2000). In the specific case of groundwater sources there are three interlinked processes that drive water balances in diverse regions globally: 1) intensification of groundwater irrigation, 2) electrical energy supply for agriculture, and 3) climatic variability. These combined conditions make groundwater management highly challenging for policy makers. ... | ||
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