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RISSoutheast Australia Autumn Rainfall Reduction: A Climate-Change-Induced Poleward Shift of Ocean–Atmosphere Circulation
Publisher: American Meteorological Society
Abstract: ince the 1950s annual rainfall over southeastern Australia (SEA) has decreased considerably with a maximum decline in the austral autumn season (March?May), particularly from 1980 onward. The understanding of SEA autumn ...
Trends in Southern Hemisphere Circulation in IPCC AR4 Models over 1950–99: Ozone Depletion versus Greenhouse Forcing
Publisher: American Meteorological Society
Abstract: Simulations by the Intergovernmental Panel on Climate Change (IPCC) Fourth Assessment Report (AR4) models on the Southern Hemisphere (SH) circulation are assessed over the period 1950?99, focusing on the seasonality of the ...
Rainfall Teleconnections with Indo-Pacific Variability in the WCRP CMIP3 Models
Publisher: American Meteorological Society
Abstract: The present study assesses the ability of climate models to simulate rainfall teleconnections with the El Niño?Southern Oscillation (ENSO) and the Indian Ocean dipole (IOD). An assessment is provided on 24 climate models ...
Interactions of ENSO, the IOD, and the SAM in CMIP3 Models
Publisher: American Meteorological Society
Abstract: Simulations of individual global climate drivers using models from the Coupled Model Intercomparison Project phase 3(CMIP3) have been examined; however, the relationship among them has not been assessed. This is carried ...
Influence of Global-Scale Variability on the Subtropical Ridge over Southeast Australia
Publisher: American Meteorological Society
Abstract: n recent decades, southeast Australia (SEA) has experienced a severe rainfall decline, with a maximum reduction in the austral autumn season. The cause(s) of this decline remain unclear. This study examines the interaction ...
Autumn Precipitation Trends over Southern Hemisphere Midlatitudes as Simulated by CMIP5 Models
Publisher: American Meteorological Society
Abstract: n recent decades, Southern Hemisphere midlatitude regions such as southern Africa, southeastern Australia, and southern Chile have experienced a reduction in austral autumn precipitation; the cause of which is poorly ...
Asymmetry in ENSO Teleconnection with Regional Rainfall, Its Multidecadal Variability, and Impact
Publisher: American Meteorological Society
Abstract: An asymmetry, and its multidecadal variability, in a rainfall teleconnection with the El Niño?Southern Oscillation (ENSO) are described. Further, the breakdown of this relationship since 1980 is offered as a cause for a ...
Simulations of Processes Associated with the Fast Warming Rate of the Southern Midlatitude Ocean
Publisher: American Meteorological Society
Abstract: Significant warming has occurred across many of the world?s oceans throughout the latter part of the twentieth-century. The increase in the oceanic heat content displays a considerable spatial difference, with a maximum ...
The Association of Tropical and Extratropical Climate Modes to Atmospheric Blocking across Southeastern Australia
Publisher: American Meteorological Society
Abstract: elationships of the Indian Ocean dipole (IOD), El Niño?Southern Oscillation (ENSO), and the southern annular mode (SAM) with atmospheric blocking are investigated using a linear framework over the austral autumn?spring ...
An Asymmetry in the IOD and ENSO Teleconnection Pathway and Its Impact on Australian Climate
Publisher: American Meteorological Society
Abstract: ecent research has shown that the climatic impact from El Niño?Southern Oscillation (ENSO) on middle latitudes west of the western Pacific (e.g., southeast Australia) during austral spring (September?November) is conducted ...