Advanced optical technologies for monitoring estuaries and coastal environments

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