Advanced optical technologies for monitoring estuaries and coastal environments

• Type: Article in International Scientific Journal
• Date: 2005

Authors

Pereira, D (Author) Other; Frazao, O (Author) Other; Ferreira, J (Author) Other; Dias, I (Author) Other; Dias, JM (Author) Other; Teixeira, M (Author) Other; Vaz, N (Author) Other; Quintela, A (Author) Other; Lopes, JF (Author) Other; Santos, JL (Author) FCUP

Journal

Title: Ciencias Marinas

Vol. 31

Pages: 275-284

ISSN: 0185-3880

Publisher: Universidad Autonoma de Baja California

Indexing

ISI Web of Knowledge - 2 Citations

Scopus - 2 Citations

Scientific classification

FOS: Natural sciences > Earth and related Environmental sciences

Other information

Authenticus ID: P-000-3G9

Abstract (EN): In recent years the need to monitor different parameters has led to the development of several architectures able to make real time, un-attended measurements. Particularly in regard to environmental issues, it is very important that the equipment and measuring systems be small and light to avoid maximum interference of the ecosystems Studied. In this context, optical fibre sensors have become extremely attractive for use in natural environments to monitor different parameters of biological interest, due to their intrinsic small weight and size and low reactivity to chemical and biological parameters. In this paper we present an innovative and technologically advanced system for the simultaneous measurement of temperature and salinity based on optical fibre Bragg grating sensors and on an optical sensing cable especially designed for large-scale and distributed or quasi-distributed measurements. A prototype of this optical cable was installed in the Mira Channel at Ria de Aveiro, Portugal. Temperature variation during three weeks from 4 to 23 June 2002 is investigated and presented here.

Language: Spanish

Type (Professor's evaluation): Scientific