NIC J&K has developed ‘Kashmir Flood Alert’ mobile app for Real-time Monitoring of water levels of River Jehlum and its Tributaries. This app helps the Administration to monitor critical situations and alerts the general public about any emergency arising out of heavy rainfall, cloudburst or breach, etc.
The IoT (Internet of Things) based “Kashmir Flood Alert” Mobile App provides Real-time monitoring of water levels of River Jehlum and its Tributaries. Devices installed at various guage sites are using Radar Level Sensor technology for Automatic Water Level Recorders (AWLR) which provide periodic (Hourly) data in real-time.
The operation of the radar level sensor is based on pulse radar technology. The transmitting antenna emits short radar pulses. The separate receiver antenna receives the pulses reflected from the water and uses them to determine the distance between sensor & water surface, the time taken by the radar pulses from the transmission to reception is proportional to the distance between sensor & water surface.
The actual water level of the waterway is then calculated automatically by the radar sensor. Approximately 16 individual measurements are conducted per second & averaged after 20 seconds to minimize wave influences. Data can be viewed, analyzed & applied through various software solutions for data visualization, network management, modeling & decision support. Reliable data aids in identifying long-term trends, managing the risk of critical events like flooding. For crucial decision-making, threshold values can be programmed to transmit alarm messages to concerned departments & Administration.