Bringing real world applications for wireless sensor networks into the classroom: Telemetric monitoring of water quality in an artificial stream [2012]
Page:
25
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Runoff
Creeks in urban areas are vulnerable to impacts of urban runoff. Chemical contaminants can be toxic to aquatic organisms, such as; algae, macro-invertebrates and fish. Without macro- invertebrates, fish have no food. Whether impacts are from chemical toxicity, sediment, urban runoff dramatically alters the food web, ultimately causing collapse of the stream ecosystem. The Role of Chemical Analysis Chemical analysis seeks to identify the concentrations of selected chemicals found in the water. By testing such factors as pH, dissolved oxygen, temperature and conductivity, ecologists can assess a stream's health. Preventing Pollution Education can go a long way toward improving runoff quality. Some examples: * Cleaning up trash along streams * Stenciling storm drains with "No Dumping Flows to River" * Removing invasive, non-native plants from stream corridors * Conducting water quality monitoring of local streams * Reporting illegal dumping into storm drains or creeks Procedure: A. River System Set Up 1. Cut gutter in three two ft. sections, cut notches in your plastic tubs to fit gutter. You will cut notches in tubs to account for a 1" gradient from tub 1 to 2 to 3 and 3 to 4. So each notch will be 1" deeper. Epoxy the gutter in the notches in the tubs. Let dry and test for leaks. Use the waterproof tape to seal any leaks. 2. Cut the plastic tubing to fit the pump and to go from tub 1 to tub four. 3. Clean gravel and put gravel in the riffles and the tubs(at least three inches in tubs) 4. Fill tubs with water using tub 4 as a gauge to see it doesn't overflow. 5. Add air pump with tubing to provide air and circulation for your system. 6. Condition the water and introduce fish and plants to your system 7. Monitor water quality and use this as your base line. 8. Monitor water quality on Monday, Wednesday and Friday. Record your data and the factors that were manipulated. B. Water Quality Journal Quantitative Data: 1. Set up data tables in your journal- one for water quality (a column for each water condition measured) and one for manipulated factor. 2. Take initial water samples and test for pH, temperature, and DO. 3. Take initial data on fish (number, length and which tank they are in) 4. Feed fish regularly and take water quality data. 5. When changes an environmental factor take readings ad record data. 6. Graph your data
This poster discusses research on bringing real world applications for wireless sensor networks into the classroom and covers the use of a wireless sensor network (WSN) using the ZigBee protocol to remotely monitor an artificial aquatic ecosystem.
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Bunn, Zac; Guerrero, Jose; Wolf, Lori; Fu, Shengli; Hoeinghaus, David; Driver, Luke et al.Bringing real world applications for wireless sensor networks into the classroom: Telemetric monitoring of water quality in an artificial stream [2012],
report,
2012;
(https://digital.library.unt.edu/ark:/67531/metadc155617/m1/25/:
accessed April 18, 2024),
University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu;
crediting UNT College of Engineering.