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CMEMS SST and Chl-a indicators for two Pacific Islands: a co-construction monitoring framework for an integrated, transdisciplinary, multi-scale approach

Ganachaud, Alexandre and von Schuckmann, Karina and Whiteside, Andra and Dupouy, Cecile and Le Meur, Pierre-Yves and Monier, Maeva and van Wynsberge, Simon and De Ramon N'Yeurt, Antoine and Costa, Maria and Aucan, Jérome and Breckwoldt, Annette and Cellier, Louis and Douillet, Pascal and Ferse, Sebastian C. A. and Holland, Elisabeth A. and Kelsey, Heath and Kumar, Vandhna and Nicol, Simon and Riechers, Maraja and Singh, Awnesh M. and Varillon, David (2022) CMEMS SST and Chl-a indicators for two Pacific Islands: a co-construction monitoring framework for an integrated, transdisciplinary, multi-scale approach. Journal of Operational Oceanography, 16 . pp. 1-15. ISSN 1755-876X

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The ocean is an integral part for the three pillars of sustainable development which are environment, society and economy. Pressures on the ocean from climate change, pollution, and over exploitation have increased over the past decades, posing unprecedented challenges, particularly for vulnerable communities such as the Large Ocean Island States, and these pressures need to be monitored. This study analyses time series of Essential Ocean Variables surface seawater water temperature and chlorophyll-a in coastal reefs of two pilot regions in Fiji and New Caledonia. In situ measurements represent true local conditions, with a necessarily limited coverage in time and space. Remote sensing data have a broad coverage but are necessarily limited in terms of resolution and accuracy in the coastal zone. Our analysis points to the advantage in using these complementary data types for the same geographical areas at small spatial scales close to the coast, and in particular, for high frequencies and extreme events. We discuss the way forward for a co-constructed monitoring framework , drawing on a recently funded transdisciplinary project for Oceania (PACPATH) and advocate a methodology for the use of ocean data to support society and economy that goes well beyond the challenge of combining large-scale to local-scale ocean data . Stakeholder involvement is paramount for this framework, including local communities, policy- and decision-makers, industry, scientists, indigenous organisations, and governmental and non-governmental organisations, all of whom need sound, multi-disciplinary science advice, targeted expertise, and reliable evidence-based information to make informed timely decisions for the right timescale. We propose an approach based on transdisciplinary co construction, that includes scientific, traditional, administrative, technical, and legal knowledge repertories.

Item Type: Journal Article
Uncontrolled Keywords: Chlorophyll-a, surface seawater temperature, monitoring, Fiji, New Caledonia, climate change, climate modeling, climate variability, remote sensing
Subjects: G Geography. Anthropology. Recreation > GE Environmental Sciences
Q Science > QC Physics > QC980-999 Climatology and weather
Divisions: Pacific Centre for Environment and Sustainable Development (PACE-SD)
Depositing User: Antoine N'Yeurt
Date Deposited: 20 Apr 2022 00:47
Last Modified: 20 Apr 2022 00:47

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