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RISMulti-Frequency Analysis of Simulated versus Observed Variability in Tropospheric Temperature
Publisher: American Meteorological Society
The Mid-1970s Climate Shift in the Pacific and the Relative Roles of Forced versus Inherent Decadal Variability
Publisher: American Meteorological Society
Abstract: A significant shift from cooler to warmer tropical Pacific sea surface temperatures (SSTs), part of a pattern of basinwide SST anomalies involved with a transition to the positive phase of the Interdecadal Pacific Oscillation ...
A Bivariate Time Series Approach to Anthropogenic Trend Detection in Hemispheric Mean Temperatures
Publisher: American Meteorological Society
Abstract: A bivariate time series regression approach is used to model observed variations in hemispheric mean temperature over the period 1900?96. The regression equations include deterministic predictor variables and lagged values ...
Influences of the Antarctic Ozone Hole on Southern Hemispheric Summer Climate Change
Publisher: American Meteorological Society
Abstract: ver the past three decades, Antarctic surface climate has undergone pronounced changes. Many of these changes have been linked to stratospheric ozone depletion. Here linkages between Antarctic ozone loss, the accompanying ...
Detecting Greenhouse-Gas-Induced Climate Change with an Optimal Fingerprint Method
Publisher: American Meteorological Society
Abstract: A strategy using statistically optimal fingerprints to detect anthropogenic climate change is outlined and applied to near-surface temperature trends. The components of this strategy include observations, information about ...
Projections of Future Drought in the Continental United States and Mexico
Publisher: American Meteorological Society
Abstract: sing the Palmer drought severity index, the ability of 19 state-of-the-art climate models to reproduce observed statistics of drought over North America is examined. It is found that correction of substantial biases in the ...
External Influences on Modeled and Observed Cloud Trends
Publisher: American Meteorological Society
Abstract: nderstanding the cloud response to external forcing is a major challenge for climate science. This crucial goal is complicated by intermodel differences in simulating present and future cloud cover and by observational ...
Relative Contributions of Mean-State Shifts and ENSO-Driven Variability to Precipitation Changes in a Warming Climate
Publisher: American Meteorological Society
Abstract: l Niño?Southern Oscillation (ENSO) is an important driver of regional hydroclimate variability through far-reaching teleconnections. This study uses simulations performed with coupled general circulation models (CGCMs) to ...
Sources of Intermodel Spread in the Lapse Rate and Water Vapor Feedbacks
Publisher: American Meteorological Society
Abstract: AbstractSources of intermodel differences in the global lapse rate (LR) and water vapor (WV) feedbacks are assessed using CO2 forcing simulations from 28 general circulation models. Tropical surface warming leads to ...
Competing Influences of Anthropogenic Warming, ENSO, and Plant Physiology on Future Terrestrial Aridity
Publisher: American Meteorological Society
Abstract: AbstractThe 2011?16 California drought illustrates that drought-prone areas do not always experience relief once a favorable phase of El Niño?Southern Oscillation (ENSO) returns. In the twenty-first century, such an ...