Standardising research on marine biological carbon pathways required to estimate sequestration at Polar and sub-Polar latitudes

Thesis author

Agustín D. Rimondino
Camila Neder
Carla M. de Aranzamendi
Carolina V. Matula
Chester J. Sands
Clara N. Rodríguez-Flórez
Daniela Storch
David K.A. Barnes
Dick Van Oevelen
Diego R. Gimenez
Dolores Deregibus
Facundo Barrera
Gabriela L. Campana
Gisela A. Moran
Gustavo Lovrich
Humberto E. González
Iara D. Rodriguez
Irene R. Schloss
Jacobo Martín
Jens Meyerjürgens
Jochen Wollschläger
Juan Höfer
Kaja Balazy
Katarzyna Błachowiak-Samołyk
Katarzyna Dragańska-Deja
Kerstin Jerosch
Leonardo Saravia
Lucia Bergagna
Luciana Ferrero
Luciana Torre
Marcos Tatián
Maria Liliana Quartino
Maria Piotto
Marleen De Troch
Matthew J. Slater
Mireia Mestre
Narissa Bax
Natalia Servetto
Oliver Zielinski
Patricio A. Díaz
Piotr Balazy
Ricardo Giesecke
Ricardo Sahade
Santiago R. Doyle
Silke Laakmann
Simon A. Morley
Sofia A. Risso
Sofia Becerra
Tomás I. Marina
Ulrike Braeckman

Resumen

Marine biological (‘blue’) carbon pathways are crucial components of the global carbon budget due to the ecosystem services they provide through the fixation of CO 2 from the atmosphere. CO 2 is removed from biosphere through long-term sequestration into seafloor sediments, removing it from the carbon cycle. Coincident with marine ice loss, little studied negative (mitigating) feedbacks to climate change are emerging in polar waters, which is important to quantify and comprehend. Understanding the mechanisms driving these pathways, that could lead to change, is a massive task and to ensure studies are comparable requires standardisation and prioritisation of future research. The expertise of scientists within the EU grant, Coastal ecosystem carbon balance in times of rapid glacier melt (CoastCarb), identified the 23 most important high latitude pathways through a modified Delphi scoring system. Metrics were selected as priorities for future research and for syntheses across broader geographic regions. The metrics with the highest importance scores also scored as the metrics that could be most readily standardised in the next five years. This review provides a definition and description of how each metric is measured, including its central role to blue carbon pathways. It also provides recommendations for standardisation, emphasising the requirement for modelling studies to scale from geographically limited regions where high-resolution data is available. Where methods cannot be standardised, cross calibration between methods is required to ensure reproducibility. An increasing use of remote sensing and innovative technologies will be necessary to scale measurements across this vast and remote region.

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Standardising research on marine biological carbon pathways required to estimate sequestration at Polar and sub-Polar latitudes Artículo académico

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