However, Benson said Johnston will be returning to the lake to gather more data to increase AquaEye's ability to scan in much murkier conditions. Acoustic well probes use ultrasonic sensors or transducers. Normal-resistivity logging devices are calibrated on the surface using fixed. Acoustic well probes operate on the same theory as sonar or similar sonic depth-finding devices. "And it is becoming more adopted with fire departments and police," he said. the test well but mostly by using a simple drawdown versus pumping rate and. He said AquaEye is deployed at some camps and city life-guarding stations in Canada and the United States. "It was originally a tool for lifeguards but it has quickly grown into a tool used by fire departments and police as well," he said. Johnston said the product was originally dreamed up by an engineer and lifeguard who recognized a gap in life-saving tools. The drawdown test, or pressure drawdown test, refers to the process during which the changes of flowing pressure are observed when new wells or wells that maintain stable formation pressure after a long period of being shut-in produce at a constant rate. "It uses sonar so it's bouncing sound waves off of objects and reading the reflections and then it uses AI to process those signals and determine what is a human," he explained. "It'll scan those, it'll come up with anomalies and it'll differentiate between what it feels is a body versus another anomaly and then we can just go deal with that anomaly rather than taking all the extra time that's put into grids," Benson said.ĭeclan Johnston, product engineer at VodaSafe, the company that designed the device, was on site to help search and rescue services test the product. The Well Sounder 2010 PRO is a sonic water level meter, designed and manufactured by Eno Scientific, to measure static water level in wells, piezometers or boreholes. Members of Pigeon Lake Search and Rescue testing AquaEye, a handheld sonar device used to locate human bodies underwater. But the AquaEye cuts that time considerably as it can scan about five acres in a couple of minutes. He said the process can take hours to days depending on the size of the water body. "At the beginning our SAR Sea-Doo did grids on the surface, looking for the opportunity to see anything in the water, and then normally the divers would go in," he said. On Tuesday, three family members lost their lives after being swept under Crescent Falls in western Alberta.īenson said it can take searchers hours to locate a body underwater using what is referred to as the grid system. The bodies of a man and woman were found on the shoreline of the lake on Aug. The product is a work in progress and the company and rescue services will continue testing to make sure AquaEye works in murkier conditions as well.Īlberta has seen more than a dozen drownings this year, including at Pigeon Lake. Alberta search and rescue crews busy as incidents on the rise this year.
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