Tidevågsstasjoner

Tidevågsstasjoner, also known as tide gauges or tide stations, are instrumental facilities used to continuously monitor and record the rise and fall of ocean tides. These stations are crucial for understanding tidal patterns, sea-level changes, and coastal processes. They typically consist of a sensor that measures the water level, often in a well connected to the sea, to dampen wave action and provide a more accurate reading of the mean tidal level. Historically, tide gauges were manual, requiring regular observations. Modern tide gauges are largely automated, utilizing various technologies such as pressure sensors, acoustic sensors, or radar to transmit data in real-time.

The data collected by tidevågsstasjoner is invaluable for a range of applications. It is essential for navigation, particularly in harbors and channels where water depth fluctuates significantly. Scientists use this data to study long-term sea-level rise, a critical indicator of climate change, and to analyze trends in extreme water levels, which can inform coastal flood risk assessments. Furthermore, tidal data aids in the design and maintenance of coastal infrastructure, including bridges, ports, and sea defenses. International networks of tide gauges, often coordinated by organizations like the Permanent Service for Mean Sea Level (PSMSL), ensure that data is collected consistently and can be compared globally.