3295abe0-bbd2-437e-b05a-25312ab1fa93 Sextant Ifremer ZI Pointe du Diable Plouzane Brittany 29280 France sextant@ifremer.fr https://sextant.ifremer.fr/eng pointOfContact 2025-05-15T21:54:54.635705Z ISO 19115-3 - SEXTANT 1.0 Atlantic Multi-decadal Oscillation (AMO) 2021-06-05 revision 3295abe0-bbd2-437e-b05a-25312ab1fa93 The Atlantic Multi-decadal Oscillation (AMO) has been identified as a coherent mode of natural variability occurring in the North Atlantic Ocean with an estimated period of 60-80 years. It is based upon the average anomalies of sea surface temperatures (SST) in the North Atlantic basin, typically over 0-80N. To remove the climate change signal from the AMO index, users typically detrend the SST data at each gridpoint or detrend the spatially averaged time series. Trenberth and Shea (2006) recommend that the detrending be done by subtracting the global-mean SST anomaly time series from the spatially averaged time series. See the Expert Guidance by Dr. Kevin Trenberth for the rationale for the global-mean detrending approach. The Expert Guidance by Dr. Rong Zhang discusses the impacts and mechanisms of the AMO. National Center for Atmospheric Research (USA) National Center for Atmospheric Research (NCAR) author https://sextant.ifremer.fr/geonetwork/srv/api/records/3295abe0-bbd2-437e-b05a-25312ab1fa93/attachments/179_NCAR.png /Physical Environment/Hydrodynamics/Water Column Thèmes Sextant 2022-01-25 publication geonetwork.thesaurus.local.theme.sextant-theme Oceanographic geographical features GEMET - INSPIRE themes, version 1.0 2018-07-27 publication geonetwork.thesaurus.external.theme.httpinspireeceuropaeutheme-theme Data Mission Atlantic - Resources 2021-12-08 publication geonetwork.thesaurus.local.theme.mission-atlantic-resources Celtic Seas Mission Atlantic - Case Studies 2021-11-30 publication geonetwork.thesaurus.local.theme.mission-atlantic-case-studies /Physical oceanography/Water column temperature and salinity Mission Atlantic - BODC Parameters 2022-01-25 publication geonetwork.thesaurus.local.theme.mission-atlantic-bodc-parameters Modelling data Mission Atlantic - Data type (DMP) 2021-11-30 publication geonetwork.thesaurus.local.theme.mission-atlantic-data-type WP5 Assessing state, drivers and tipping points Mission Atlantic - Work Package 2021-08-10 publication geonetwork.thesaurus.local.theme.mission-atlantic-work-package CC-BY (Creative Commons - Attribution) grid utf8 oceans -180.00 180.00 -90.00 90.00 NetCDF https://climatedataguide.ucar.edu/climate-data/atlantic-multi-decadal-oscillation-amo WWW:LINK ATLANTIC MULTI-DECADAL OSCILLATION (AMO)