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The term "first flush effect" refers to rapid changes in water quality (pollutant concentration or load) that occur after early season rains. Soil and vegetation particles wash into streams; sediments and other accumulated organic particles on the river bed are re-suspended, and dissolved substances from soil and shallow groundwater can be flushed into streams.
In 2012, the publication of Water Quality Research Journal of Canada was passed from the Canadian Association on Water Quality (CAWQ) to IWA Publishing. The first open access article was published in 2006 in the Journal of Water & Health and in 2016 the H2Open Journal became the first fully open access journal. [21]
Water Science and Technology is a monthly peer-reviewed scientific journal covering all aspects of the management of water quality. It was established in 1969 and is published by IWA Publishing . The editor-in-chief is Wolfgang Rauch ( University of Innsbruck ).
Raw sewage discharges primarily during floods, and PCB contaminants from the Washington Navy Yard. [132] [133] [133] Public health threat because of fecal coliform bacteria and other pathogens; it also impairs water quality and can create hypoxic conditions that lead to large fish kills and sickness of people who get water in their mouth. [133 ...
"The potential floods that California may receive in the future could be magnitudes worse than recent floods,” Samuel Hippard, a Cal State Fullerton student and one of the study’s co-authors ...
Water research during the late 1970s and 1980s indicated that stormwater runoff was a significant cause of water quality impairment in many parts of the US. [25] Research on stormwater pollution continues in the 21st century, with findings that urban runoff is an ongoing source of water quality problems nationwide.
Modesto has closed its parks along Dry Creek and the Tuolumne River because of flooding and erosion and the anticipation of more rain this week. The city announced the closures Tuesday afternoon ...
Historically, at least in the US, works were built to certain design specifications (for example, the 100-year flood, or 1% flood). In instances where the design specifications were exceeded (in the case of a 150-year flood, etc.), they failed, thus causing catastrophic loss in overdeveloped floodplains (White et al. , 1958).