Environmental Monitoring Applications
Some environmental applications of sensor networks include, monitoring of environmental conditions for crops, observing effects of environmental changes on animal life, ocean monitoring, forest fire and flood detection, and glacier monitoring.
Glacier monitoring
To understand changes in sea level owing to global warming, WSN are used to monitor how glaciers contribute by releasing fresh water into sea because this can cause great disturbances to the thermohaline circulation of water. Currently they are being used to monitor movement of sub glacial bed at Briksdalsbreen , Norway
Ocean Water Monitoring
Sensor nodes equipped with temperature and salinity sensors are dropped from an airplane. They are used to observe the temperature and salinity of the upper ocean. Data measurement in this case is available in real time.
Vineyard monitoring
WSN monitor moisture, rainfall, and air and soil temperature to observe the affect of these conditions on plant growth. This gives vine growers better ways to monitor their crop and anticipate problems such as frost in timely manner to avoid crop loss.
Health and home applications
Some health applications of WSN include monitoring of blood oxygen, breathing, heart rate (sleep apnea); diagnosis of rheumatic disease, monitoring abnormal changes in heartbeat, observing side effects of medicine and little sleep, drug administration in hospitals and tracking doctors and patients in a hospital.
Future will see integration of wireless sensor networks with existing specialized medical technology. Medical systems which can benefit from WSN are smart homecare. They extend traditional clinic to patients’ home and make In-home tasks easier for example using remote device control, medicine reminders, object location, emergency communications.
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