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Ocean processes are of biological, geological, chemical or physical nature, occurring at micro — to kilometer scales, from less than seconds to centuries, turning the understanding and the sustainable management of the ocean into a multi-scale and multi-disciplinary effort. To address this variability with a cost-effective solution, the European FP7 project NeXOS has developed a new generation of...
The Oceans of Tomorrow (OoT) projects, funded by the European Commission's FP7 program, are developing a new generation of sensors supporting physical, biogeochemical and biological oceanographic monitoring. The sensors range from acoustic to optical fluorometers to labs on a chip. The result is that the outputs are diverse in a variety of formats and communication methodologies. The interfaces with...
This paper describes the development of cost-efficient, innovative and interoperable ocean passive acoustics sensors systems deployable from multiple platforms in the European FP7 project NeXOS (Next generation Low-Cost Multifunctional Web Enabled Ocean Sensor Systems Empowering Marine, Maritime and Fisheries Management). The objective of the NeXOS project is to develop cost-effective, innovative,...
This paper introduces the Smart Electronic Interface for Web Enabled Ocean Sensor Systems of the NeXOS project as example how interoperable standards help, to facilitate the creation of an infrastructure for sharing oceanographic observation data and the integration of sensor into marine installations. A given kind of sensor may be deployed on various platforms such as floats, gliders or moorings,...
The continuous reduction in power consumption of sensing electronics used in underwater applications has led to immense research interests in energy harvesting techniques for self-powered devices. In this paper a new idea is proposed and studied to supply sea bottom low-consumption devices using piezoelectric bimorphs elements. Harvesting this mechanical energy has an important hurdle because of the...
The complexity of installations in the oceans to carry out observations on specific processes and for detecting long-term trends have grown significantly in the past years. This applies also to the type and number of sensors that are in use in observing systems. In these days, sensors shall be compatible to different platforms that are in use like floats, gliders or moorings, and accordingly also...
The objective of the European FP7 project NeXOS (Next generation Low-Cost Multifunctional Web Enabled Ocean Sensor Systems Empowering Marine, Maritime and Fisheries Management) is to develop cost-efficient innovative and interoperable in-situ sensors deployable from multiple platforms to support the development of a truly integrated Ocean Observing System. Therefore, several sensor systems will be...
This paper introduces the Sensor Web architecture of the NeXOS project as example how interoperable standards help, to facilitate the creation of an infrastructure for sharing oceanographic observation data and the integration of sensor data into applications. Important technological foundations of the NeXOS Sensor Web architecture are the concepts of spatial data infrastructures and the Sensor Web...
Development of a new generation of multifunctional sensor systems is underway to address ocean monitoring challenges. These range from more precise monitoring of the marine environment to an improved management of fisheries and, among other things, address improved life cycle cost-efficiency. These advances will be achieved through innovations such as multiplatform integration, greater reliability...
Nowadays, the studies of episodic processes in the ocean is manly done through the innovative facilities called ocean observatories which provide unprecedented amounts of power and two-way bandwidth to access and control sensor networks in the oceans. The most capable ocean observatories are designed around a submarine fiber optic/power cable connecting one or more seafloor science nodes to the terrestrial...
Smart Ocean Environments are currently considered a key factor to connect the physical world with the information world. A Smart Ocean Environment can be defined as the combination of a physical environment, a collection of marine instruments gathering heterogeneous data from the environment, an infrastructure for data management and a connectivity solution to convey data from instruments to the Smart...
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