This paper presents a new approach to time stamp messages in underwater acoustic communication. Message time stamping is a widely used method for synchronizing two clocks over a cabled or wireless communication, by ...

This is a description of the method used in the OBSEA observatory to obtain a value for the amount of light present in the seafloor using the existing video surveillance camera.

Robotic platforms communication and interoperability is of relevance for marine science and industrial monitoring. We present results of a particle filter study based on underwater Multi-Target Tracking (MTT) using Autonomous ...

This paper describes the development of a low-cost multiparameter acquisition system for volcanic monitoring that is applicable to gravimetry and geodesy, as well as to the visual monitoring of volcanic activity. The ...

The abundance and composition of fish assemblages varies at different temporal scales as a product of diel and annual rhythms. In this study, we used a video-wired observatory (OBSEA, www.obsea.es) to monitor annual rhythms ...

This work presents the last trials of the Guanay II AUV in the Mediterranean Sea. Guanay II is an AUV designed to navigate on the surface of the sea following a path and in some points it carry out a vertical dive to ...