Coastal currents from observations VLab

This VLab provides a service to generate integrated ocean surface current maps from direct and indirect current measurements derived from different sources, High Frequency (HF) radar; drifter data; and geostrophic currents from altimetry data, using the DIVAnd (Data Interpolating Variational Analysis in n dimensions) method. The merging and analysis of these datasets is performed using various constraints, in particular the presence of the coastline, constraints on horizontal divergence as well as a momentum balance (between acceleration, Coriolis force and surface pressure gradient).