THE FIXED-OPEN OCEAN OBSERVATORIES NETWORK

Melchor González-Dávila & J. Magdalena Santana-CasianoUniversidad de Las Palmas de Gran Canaria- SPAIN

ULPGCD12.4 pH sensors deployed in real time in two Atlantic sites (ESTOC, PAP) and one Mediterranean (AEGEAN) site February 2015

D12.5 Conclusion on the capabilities of the different pH sensors. Inputs from the inter-comparison exercises February 2017

THE FIXED-OPEN OCEAN OBSERVATORIES NETWORKULPGCD12.4 pH sensors deployed in real time in two Atlantic sites (ESTOC, PAP) and one Mediterranean (AEGEAN) site February 2015

SensorLab – ULPGC (spectrophotometric – colourmetric sensor)

FIRST DEVELOPMENT

ESTOC SITE

The PAP observatory site: in the inter-gyre region of the North Atlantic where convective mixing ranges from 25 m in the summer to over 400 m in winter when nutrients are supplied to the surface.

SST ranges from 12-13ºC during March to 18-19ºC in September

 http://www.eurosites.info/pap/data.php

http://data.plocan.eu/thredds/catalog.html

June

2, 2

014

Oct 11, 2014

SARONIKOS BUOY*

JERICO TNA

FixO3

Buoy

THE FIXED-OPEN OCEAN OBSERVATORIES NETWORK

SENSOR EVOLUTION

1ST DESIGN 19 60 cm

2ST DESIGN 21 50 cm

3ST DESIGNÆ21 35 cmNew lamp design

4ST DESIGNÆ14 30 cmNew mixing chamberNew detection designHalf power consumptionDepth: 0 - 150 m **