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RISThe Role of the Ocean in the Seasonal Cycle of the Hadley Circulation
Publisher: American Meteorological Society
Abstract: The influence of ocean heat transport on the seasonal cycle of the Hadley circulation is investigated using idealized experiments with a climate model. It is found that ocean heat transport plays a fundamental role in ...
The Sensitivity of the Tropical-Mean Radiation Budget
Publisher: American Meteorological Society
Abstract: A key disagreement exists between global climate model (GCM) simulations and satellite observations of the decadal variability in the tropical-mean radiation budget. Measurements from the Earth Radiation Budget Experiment ...
Why Are There Tropical Warm Pools?
Publisher: American Meteorological Society
Abstract: Tropical warm pools appear as the primary mode in the distribution of tropical sea surface temperature (SST). Most previous studies have focused on the role of atmospheric processes in homogenizing temperatures in the warm ...
Spatial Patterns and Frequency of Unforced Decadal-Scale Changes in Global Mean Surface Temperature in Climate Models
Publisher: American Meteorological Society
Abstract: he causes of decadal time-scale variations in global mean temperature are currently under debate. Proposed mechanisms include both processes internal to the climate system as well as external forcing. Here, the robustness ...
Glacial Cooling in the Tropics: Exploring the Roles of Tropospheric Water Vapor, Surface Wind Speed, and Boundary Layer Processes
Publisher: American Meteorological Society
Abstract: This paper is a modeling study of possible roles for tropospheric water vapor, surface wind speed, and boundary layer processes in glacial cooling in the Tropics. The authors divide the Tropics into a region of persistent ...
The Contribution of Radiative Feedbacks to Orbitally Driven Climate Change
Publisher: American Meteorological Society
Abstract: adiative feedbacks influence Earth's climate response to orbital forcing, amplifying some aspects of the response while damping others. To better understand this relationship, the GFDL Climate Model, version 2.1 (CM2.1), ...
Detectability of Changes in the Walker Circulation in Response to Global Warming
Publisher: American Meteorological Society
Abstract: hanges in the gradients in sea level pressure (SLP) and sea surface temperature (SST) along the equatorial Pacific are analyzed in observations and 101 numerical experiments performed with 37 climate models participating ...
An Orbitally Driven Tropical Source for Abrupt Climate Change
Publisher: American Meteorological Society
Abstract: Paleoclimatic data are increasingly showing that abrupt change is present in wide regions of the globe. Here a mechanism for abrupt climate change with global implications is presented. Results from a tropical coupled ...
Variable External Forcing Obscures the Weak Relationship between the NAO and North Atlantic Multidecadal SST Variability
Publisher: American Meteorological Society
Abstract: AbstractNorth Atlantic sea surface temperatures (SST) exhibit a lagged response to the North Atlantic Oscillation (NAO) in both models and observations, which has previously been attributed to changes in ocean heat transport. ...
Cloud Radiative Feedbacks and El Niño–Southern Oscillation
Publisher: American Meteorological Society
Abstract: AbstractCloud radiative feedbacks are disabled via ?cloud-locking? in the Community Earth System Model, version 1.2 (CESM1.2), to result in a shift in El Niño?Southern Oscillation (ENSO) periodicity from 2?7 years to decadal ...