Year: 2020
Type: article
Abstract: Optical particle measurements are emerging as an important technique for understanding the ocean carbon cycle, including contributions to estimates of their downward flux, which sequesters CO2 in the deep sea. Optical instruments can be used from ships or installed on autonomous platforms, delivering much greater spatial and temporal coverage of particles in the mesopelagic zone of the ocean than traditional techniques, such as sediment traps. Technologies to image particles have advanced greatly over the last two decades, but the quantitative translation of these immense datasets into biogeochemical properties remains a challenge. In particular, advances are needed to enable the optimal translation of imaged objects into carbon contents and sinking velocities. In addition, different devices often measure different optical properties, leading to difficulties in comparing results. Here we provide a practical overview of the challenges and potential of using these instruments, as a step towards improvement and expansion of their applications.
Source: Frontiers in Marine Science
Authors: Sarah Lou Carolin Giering, Emma Louise Cavan, Sünnje Linnéa Basedow, Nathan Briggs, Adrian B. Burd, Louise J. Darroch, Lionel Guidi, Jean-Olivier Irisson, Morten H. Iversen, Rainer Kiko, Dhugal Lindsay, Catarina R. Marcolin, Andrew M. P. McDonnell, Klas Ove Möller, Uta Passow, Sandy Thomalla, Thomas William Trull, Anya M. Waite
Institutions: National Oceanography Centre, Imperial College London, UiT The Arctic University of Norway, University of Georgia, British Oceanographic Data Centre, Centre National de la Recherche Scientifique, Sorbonne Université, Laboratoire d’Océanographie de Villefranche, Alfred-Wegener-Institut Helmholtz-Zentrum für Polar- und Meeresforschung, University of Bremen, GEOMAR Helmholtz Centre for Ocean Research Kiel, Japan Agency for Marine-Earth Science and Technology, Universidade Federal do Sul da Bahia, University of Alaska Fairbanks, Helmholtz-Zentrum Hereon, Memorial University of Newfoundland, University of Cape Town, Council for Scientific and Industrial Research, CSIRO Oceans and Atmosphere, Dalhousie University, Ocean Frontier Institute
Language: English
Subfield: Oceanography
Field: Earth and Planetary Sciences
Domain: Physical Sciences
Open Access status: gold
Estimated APC paid: $2,950
OpenAlex ID: W3008307945