Abstract: Urban flooding remains a critical challenge, exacerbated by inadequate drainage systems and the lack of timely early warning mechanisms. This paper presents a sustainable urban flood ...

IIHR research associate Tom Stoeffler checks the sensor unit for a nitrate sensor at Waterworks Prairie Park in Iowa City on Sept. 11, 2025. The state’s automated network of sensors allows for ...

Ultrasonic energy is widely used to sense the presence of nearby objects and even determine their distance if needed, as well as to measure fluid flow rates in industrial and scientific applications.