Accurate measurements of surface currents are crucial for coastal monitoring, rip current detection, and predicting the path of pollutants. Several methods exist to measure surface currents, some of ...

The measurement technique of an aspheric surface is mainly for the surface form and parameters. The surface form is the three-dimensional distribution of the surface in the spatial domain. The ...

Google Earth allows you to measure the distance between two points on the Earth, as well as the circumference of a circular section of the ground — or even the elevation of a mountain. But in order to ...