Dictionary definition: dissolved oxygen level

Dictionary definition: dissolved-oxygen level
A Dictionary of Earth Sciences;      283 words ...dissolved-oxygen level The concentration of oxygen held in solution in water. Usually ... percentage of the saturation value for a given water temperature. The dissolved-oxygen level is an important first indicator of water quality. In general ...

Article: Rosemount Analytical Saves Money and Makes Fish Farming Easy With ...
Business Wire;  July 21, 1999 ;     700+ words ... ... Controlling the level of dissolved oxygen and other dissolved ... if the level of dissolved oxygen gets too low, all ... measure changes in dissolved oxygen and correct a possible ... employed for maintaining oxygen level are one of the highest ...

Article: DROP IN OXYGEN LEVEL KILLS FISH IN SPIRIT LAKE
US Fed News Service, Including US State News;  August 15, 2009 ;     464 words ... ... the investigation points to a sag in the level of dissolved oxygen. This can be caused by decomposing vegetation or algae, lack of wind, and elevated water temperatures. Dissolved oxygen typically reaches its lowest levels early in the morning ...

Article: Oxygen level decreases spur Hood Canal closure: ...
National Fisherman;  December 1, 2003 ;     700+ words ... ... Washington Department of Fish and Wildlife in mid-September banned most fishing in Hood Canal because of low levels of dissolved oxygen. The closure came more than a month earlier than last year. The only fishing allowed was for salmon, trout and crab ...

Article: WIND MOVES LOW DISSOLVED OXYGEN PROBLEM AROUND IN ...
US Fed News Service, Including US State News;  October 29, 2007 ;     700+ words ... ... water circulation and low dissolved oxygen patterns in South Puget ... where human impacts on low dissolved oxygen are most critical. The ... affect where areas of low dissolved oxygen occur in South Sound ...

Article: ECOLOGY LAUNCHES DISSOLVED OXYGEN STUDY FOR SOUTH ...
US Fed News Service, Including US State News;  October 10, 2006 ;     700+ words ... ... concerned that depleted levels of dissolved oxygen in some areas of South Puget Sound ... potential pollution sources and solve dissolved oxygen problems in the region. The study ... Pierce, Thurston and Mason counties. Dissolved oxygen is crucial to sustain fish and aquatic ...

Article: Simultaneous Nitrification, Denitrification, and Phosphorus ...
Water Environment Research;  August 1, 2007 ;     700+ words ... ... denitrification (SND or SNdN) may occur at low dissolved oxygen concentrations. In this study, bench ... effects of solids retention time and low dissolved oxygen concentration, under cyclic aeration ... repeated cycles of 1 hour at a higher dissolved oxygen concentration (HDO) and 30 ...