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Response of the Equatorial Thermocline to Extratropical Buoyancy Forcing
Publisher: American Meteorological Society
Abstract: The GFDL Modular Ocean Model and the Miami Isopycnal Ocean Model are used to investigate the response of the equatorial thermocline to extratropical buoyancy forcing. Passive tracers and analytical theories are also used ...
Optimal Tropical Sea Surface Temperature Forcing of North American Drought
Publisher: American Meteorological Society
Abstract: The optimal anomalous sea surface temperature (SST) pattern for forcing North American drought is identified through atmospheric general circulation model integrations in which the response of the Palmer drought severity ...
Tropical Climate Regimes and Global Climate Sensitivity in a Simple Setting
Publisher: American Meteorological Society
Abstract: Multiple tropical climate regimes are found in an atmospheric general circulation model (AGCM) coupled to a global slab ocean when the model is forced by different values of globally uniform insolation. Even in this simple ...
Assessing Atmospheric Response to Surface Forcing in the Observations. Part II: Cross Validation of Seasonal Response Using GEFA and LIM
Publisher: American Meteorological Society
Abstract: he authors compared the assessment of the seasonal cycle of the atmospheric response to surface forcing in three statistical methods, generalized equilibrium feedback analysis (GEFA), linear inverse modeling (LIM), and ...
The Effect of Subtropical Cooling on the Amplitude of ENSO: A Numerical Study
Publisher: American Meteorological Society
Abstract: The effect of an enhanced subtropical surface cooling on El Niño?Southern Oscillation (ENSO) through the ?ocean tunnel? is investigated using a coupled model. Here, the term ?ocean tunnel? refers to the water pathway that ...
Understanding the Mid-Holocene Climate
Publisher: American Meteorological Society
Abstract: Paleoclimatic evidence suggests that during the mid-Holocene epoch (about 6000 yr ago) North America and North Africa were significantly drier and wetter, respectively, than at present. Modeling efforts to attribute these ...
Impact of Annual Cycle on ENSO Variability and Predictability
Publisher: American Meteorological Society
Abstract: Low-order Linear Inverse Models (LIMs) have been shown to be competitive with comprehensive coupled atmosphere-ocean models at reproducing many aspects of tropical oceanic variability and predictability. This paper presents ...