arctic-oscillation catalog ISO19115 2003/Cor.1:2006 Arctic Oscillation The Arctic Oscillation (AO) is the dominant pattern of non-seasonal sea-level pressure (SLP) variations north of 20N, and it is characterized by SLP anomalies of one sign in the Arctic and anomalies of opposite sign centered about 37-45N. Additional information is available for the Arctic Oscillation (AO) and for the North Atlantic Oscillation (NAO), a close relative of the AO (http://jisao.washington.edu/ao/) ../../catalog.json application/json Open Science Catalog Open Science Catalog https://gcmd.earthdata.nasa.gov/KeywordViewer/scheme/Earth%20Science/98e5a7e4-b946-474a-8214-c1b7b3e5f976?gtm_keyword=ARCTIC%20OSCILLATION&gtm_scheme=Earth%20Science text/html Description Description ../catalog.json application/json Variables Variables