Preprints
https://doi.org/10.5194/essd-2020-350
https://doi.org/10.5194/essd-2020-350

  02 Dec 2020

02 Dec 2020

Review status: this preprint is currently under review for the journal ESSD.

A climate index for the Newfoundland and Labrador shelf

Frédéric Cyr1,2 and Peter S. Galbraith3 Frédéric Cyr and Peter S. Galbraith
  • 1Northwest Atlantic Fisheries Centre, Fisheries and Oceans Canada, St. John’s, NL, Canada
  • 2Memorial University of Newfoundland, St. John’s, NL, Canada
  • 3Maurice Lamontagne Institute, Fisheries and Oceans Canada, Mont-Joli, QC, Canada

Abstract. This study presents in detail a new climate index for the Newfoundland and Labrador (NL) shelf. The NL climate index aims to describe the environmental conditions on the NL shelf and in the Northwest Atlantic as a whole. It consists of annual normalized anomalies of 10 subindices with equal contribution: Winter North Atlantic Oscillation, air temperature, sea ice season severity, iceberg count, sea surface temperature, vertically-averaged temperature and salinity at the Atlantic Zone Monitoring Program (AZMP) Station 27, cold intermediate layer (CIL) core temperature at AZMP Station 27, CIL area on 3 AZMP hydrographic sections and bottom temperature on the NL shelf. This index runs from 1951 to 2019, is open-access, and will be updated annually. This index and the subindices are available at https://doi.org/10.20383/101.0301 (Cyr and Galbraith, 2020).

Frédéric Cyr and Peter S. Galbraith

 
Status: open (until 15 Feb 2021)
Status: open (until 15 Feb 2021)
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Frédéric Cyr and Peter S. Galbraith

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Newfoundland and Labrador climate index Cyr, Frédéric and Galbraith, Peter S. https://doi.org/10.20383/101.0301

Frédéric Cyr and Peter S. Galbraith

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Latest update: 25 Jan 2021
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Short summary
Climate indices are often regarded as simple ways to relate the mean environmental conditions to the state of an ecosystem. Such indices are often used to inform fisheries scientists and managers or used fisheries resources assessment and ecosystem studies. The Newfoundland and Labrador (NL) climate index aims to describe the environmental conditions on the NL shelf and in the Northwest Atlantic as a whole. It consists of annual normalized anomalies of 10 subindices relevant for the NL shelf.