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Showing 1 to 7 of 7 for “"water quality parameter"”.
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Pairing Quality and Quantity in a Mass Balance of Water in California
Whether there is enough water in California to meet the needs of residents, businesses, agriculture, and the natural environment, now and in the future, is important to Californians. One of the tools used to assess water availability in California is the water budget, which quantifies how much …
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A Comparative Analysis of Three Biofilter Types Treating Wastewater Produced in Recirculating Aquaculture Systems
… began. To evaluate filter performance, water quality parameters tested were temperature (°C), pH, dissolved oxygen (DO), total ammonia-nitrogen (TAN), nitrite-nitrogen (NO₂⁻-N), nitrate-nitrogen (NO₃⁻-N), alkalinity (as CaCO₃), water hardness (as CaCO₃), carbonaceous biochemical oxygen …
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Relationships Between Land Use, Land-Use Change, and Water-Quality Trends in Virginia
… the relationships between land use and surface water quality trends in Virginia. Data from 168 surface water quality monitoring stations throughout Virginia were analyzed for trends for the period of 1978 to 1995. Water-quality data available at these stations included dissolved oxygen …
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An Investigation of Spatial and Temporal Variability in Several of Montana's Reference Streams: Working Toward a More Holistic Management Strategy
Water temperature is a physical property that fundamentally affects stream ecology and is considered an important water quality parameter from scientific and legal view points. On global, catchment and reach scales, anthropogenic activities have substantially altered natural stream temperature …
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An Investigation of Spatial and Temporal Variability in Several of Montana's Reference Streams: Working Toward a More Holistic Management Strategy
Water temperature is a physical property that fundamentally affects stream ecology and is considered an important water quality parameter from scientific and legal view points. On global, catchment and reach scales, anthropogenic activities have substantially altered natural stream temperature …
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Jakost povrchových vod v ČR a jejich upravitelnost
Práce pojednává o jakosti povrchových vod v ČR a o vývoji její kvality v tocích a nádržích. O problémech spojených s vypouštěním odpadních vod do recipientu (často bez čištění) a splachy ze zemědělských půd. V závěru se zabývá ukazateli kvality vody, jejich získávání a posuzování na základě …
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The impact of environmental change on the Tualatin River cleanup — a case study of policy responses to climate change
"Since 1986, water quality in the Tualatin River basin outside of Portland, Oregon has been managed to prevent unsightly algal blooms, improve conditions for recreation and to improve salmonid habitat. These efforts were shaped by EPA's ""watershed approach,"" developed to improve non-point source …