When rain falls, it picks up pollution from streets, farms and other manmade features as it winds toward the ocean.
Earth Sciences
Jan 28, 2022
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39
Prior to urbanization, the natural landscape and climate determined how much water flowed into streams and rivers. Urban development now dramatically affects how much and where water flows, but Civil and Environmental Engineering ...
Earth Sciences
Aug 25, 2020
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4
In a sampling of fish from a creek that flows into San Diego Bay, nearly a quarter contain microplastics, according to a new study published in the journal PLOS ONE. The study, which examined plastics in coastal sediments ...
Ecology
Mar 18, 2020
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63
Watersheds channel water from streams to oceans, and more than $450 billion in food, manufactured goods and other economic factors depend on them, according to the Environmental Protection Agency. Watersheds also are crucial ...
Environment
Jul 18, 2018
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9
New research from the University of Minnesota points to lawn fertilizers and pet waste as the dominant sources of nitrogen and phosphorus pollutants in seven sub-watersheds of the Mississippi River in Saint Paul, Minnesota.
Environment
Apr 4, 2017
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37
Where a stream ends is clear, but where it begins can be more difficult to discern. Researchers from the University of Maryland Center for Environmental Science have developed a new method to solve this problem, resulting ...
Environment
Oct 3, 2013
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0
Dissolved organic matter in streams and rivers can be broken down by sunlight or bacteria, providing a fuel source for aquatic ecosystems and affecting carbon dioxide and carbon monoxide concentrations as the organic matter ...
Environment
Apr 15, 2013
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0
Plants need nitrogen to grow, and nitrate is a common fertilizer ingredient, but high levels of nitrate contamination in drinking water sources can cause health problems. It is generally known that nitrogen flows through ...
Environment
Mar 15, 2013
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0
Aging sewer systems are spilling a considerable amount of nitrogen into urban watersheds, diminishing both the quality of water and ecosystems' habitats. However, many studies documenting the impacts of nitrogen on urban ...
Environment
Mar 11, 2013
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0
U.S. Department of Agriculture (USDA) scientists have identified sources of Escherichia coli bacteria that could help restore the reputation of local livestock. Studies by Agricultural Research Service (ARS) scientist Mark ...
Cell & Microbiology
Nov 29, 2012
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