Results 31 to 40 of about 1,026,844 (99)

ENSO-Related Precipitation and Its Statistical Relationship with the Walker Circulation Trend in CMIP5 AMIP Models

open access: yesAtmosphere, 2016
Observational evidence shows that the Walker circulation (WC) in the tropical Pacific has strengthened in recent decades. In this study, we examine the WC trend for 1979–2005 and its relationship with the precipitation associated with the El Niño ...
Bo Young Yim   +2 more
doaj   +1 more source

Revealing the hidden link of the Walker circulation on heavy rainfall patterns in the Eastern Pacific

open access: yesCommunications Earth & Environment
Understanding the relationship between tropical heavy rainfall and large-scale circulation provides valuable insights for improving the climate models. Here we use Gaussian Mixture Model to identify two distinct types of heavy rainfall over the tropical ...
Byung-Ju Sohn   +5 more
doaj   +1 more source

Transition to Double‐Cell Mock Walker Circulations With Surface Warming Explained by Periodic Convection

open access: yesGeophysical Research Letters
Idealized mock Walker simulations are widely used to study the interactions between overturning circulation and convection in the tropics. Previous studies documented a transition from a single‐cell to a double‐cell mock Walker circulation when the ...
Heng Quan   +3 more
doaj   +1 more source

Seasonal predictability of Kiremt rainfall in coupled general circulation models

open access: yesEnvironmental Research Letters, 2017
The Ethiopian economy and population is strongly dependent on rainfall. Operational seasonal predictions for the main rainy season (Kiremt, June–September) are based on statistical approaches with Pacific sea surface temperatures (SST) as the main ...
Stephanie Gleixner   +5 more
doaj   +1 more source

Robert Sparks Walker diary, 1941

open access: yes, 1941
Diary authored by Chattanooga author and naturalist, Robert Sparks ...
Walker, Robert Sparks, 1878-1960
core   +3 more sources

Coupled orbital and sea-level forcing on the Pacific Walker Circulation during the past 800 kyrs

open access: yesCommunications Earth & Environment
Over recent decades an anomalous El Niño–Southern Oscillation (ENSO) configuration became more frequent, characterized by central Pacific temperature anomalies and a split-Pacific Walker Circulation.
Daniela Eichner   +5 more
doaj   +1 more source

A change in the relationship between tropical central Pacific SST variability and the extratropical atmosphere around 1990

open access: yesEnvironmental Research Letters, 2012
A newly released reanalysis dataset covering the period 1979–2009 is analyzed to show that the sea surface temperature (SST) variability in the tropical central Pacific is more closely related to the SST variability in the tropical eastern Pacific before
Jin-Yi Yu, Mong-Ming Lu, Seon Tae Kim
doaj   +1 more source

Local meridional circulation changes contribute to a projected slowdown of the Indian Ocean Walker circulation

open access: yesnpj Climate and Atmospheric Science, 2022
The weakening of zonal atmospheric circulation, a widely accepted projection of climate change in response to global warming, features a weakening of the Indian Ocean Walker circulation (IWC), with an anomalous ascending motion over the western and ...
Sahil Sharma   +4 more
doaj   +1 more source

Robert Sparks Walker diary, 1945

open access: yes, 1945
Diary authored by Chattanooga author and naturalist, Robert Sparks ...
Walker, Robert Sparks, 1878-1960
core   +3 more sources

Tropical Atlantic and Pacific sea surface temperature gradients modulate the summer Atlantic Niño-winter ENSO connection

open access: yesThe Innovation
The relationship between the boreal summer Atlantic Niño and subsequent winter El Niño-Southern Oscillation (ENSO) has strengthened in recent decades, but the underlying mechanism remains unclear.
Ji Ma   +9 more
doaj   +1 more source

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