Brief communication: The potential use of low-cost acoustic sensors to detect rainfall for short-term urban flood warnings

Abstract. Floods in urban areas are one of the most common natural hazards. Due to climate change enhancing extreme rainfall and cities becoming larger denser, frequency, magnitude, impact these events expected increase. Pluvial floods can occur within minutes. A fast reliable detection system should thus be implemented flood-prone warn public upcoming save lives reduce damage. The purpose this brief communication is discuss potential implementation low-cost acoustic sensors short-term flood warning systems.