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El Niño, Walker Circulation Anomaly
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Title: El Niño, Walker Circulation Anomaly
Caption: Generalized Walker Circulation (December-February) anomaly during El Niño events, overlaid on map of average sea surface temperature anomalies. Anomalous ocean warming in the central and eastern Pacific (orange) help to shift a rising branch of the Walker Circulation to east of 180°, while sinking branches shift to over the Maritime continent and northern South America. The Walker circulation, also known as the Walker cell, is a conceptual model of the air flow in the tropics in the lower atmosphere (troposphere). According to this model, parcels of air follow a closed circulation in the zonal and vertical directions. This circulation, which is roughly consistent with observations, is caused by differences in heat distribution between ocean and land. It was discovered by Gilbert Walker.
Category: WEATHER • ILLUSTRATION
Credit: Album / Science Source / NOAA/Fiona Martin
Releases: ? Model Release: No - ? Property Release: No
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Image size: 4800 × 2400 px | 33.0 MB
Print size: 40.6 × 20.3 cm | 1889.8 × 944.9 in (300 dpi)
Keywords: 2010S • 2014 • 21ST CENTURY • 21ST • 21TH CENTURY • AIR FLOW • AIRFLOW • ART • ARTIST CONCEPT • ARTWORK • ATMOSPHERIC PHENOMENA • ATMOSPHERIC PHENOMENON • CLIMATE • CLIMATOLOGY • CONCEPT • CONCEPTUAL ART • CONCEPTUAL • CYCLICAL • DIAGRAM • DRAWING • EL NINO • EL NIñO • ENSO • ENSO-NEUTRAL CONDITIONS • GENERALIZED WALKER CIRCULATION • GILBERT WALKER • GLOBAL WEATHER PATTERN • GRAPHIC • ILLUSTRATION • ILLUSTRATIONS • ILUSTRATION • INFO GRAPHIC • INFO-GRAPHIC • INFOGRAPHIC • LA NINA • LA NIñA • LOWER ATMOSPHERE • METEOROLOGICAL • METEOROLOGY • METEOROLOGY • OCEAN, PACIFIC • OCEANOGRAPHIC • OCEANOGRAPHICAL • OCEANOGRAPHY • PACIFIC OCEAN • RESEARCH • SCIENCE • SOUTHERN OSCILLATION • TROPOSPHERE • WALKER CELL • WALKER CIRCULATION • WEA • WEATHER PATTERN • WEATHER • WEATHER: WEA
