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RISComment on “Climate Drift in a Global Ocean General Circulation Model”
Publisher: American Meteorological Society
Abstract: In a recent study it was found that the GFDL modular ocean model showed a small drift and very little variability when stochastically forced under mixed boundary conditions. This is in contrast to earlier studies that found ...
Thermohaline Oscillations in the LSG OGCM: Propagating Anomalies and Sensitivity to Parameterizations
Publisher: American Meteorological Society
Abstract: New experiments are reported that extend previous studies of the internally generated variability found when the Hamburg LSG Ocean General Circulation Model is integrated under mixed boundary conditions. All model integrations ...
The Vertical Component of Epineutral Diffusion and the Dianeutral Component of Horizontal Diffusion
Publisher: American Meteorological Society
Abstract: Observations of the time-mean thermohaline state of the world oceans are used to identify temperature gradients (and implied diffusive heat fluxes) both horizontally and on density surfaces. Two types of density surface ...
Causes of Robust Seasonal Land Precipitation Changes
Publisher: American Meteorological Society
Abstract: istorical simulations from phase 5 of the Coupled Model Intercomparison Project (CMIP5) archive are used to calculate the zonal-mean change in seasonal land precipitation for the second half of the twentieth century in ...
The Influence of Atlantic Variability on Asian Summer Climate Is Sensitive to the Pattern of the Sea Surface Temperature Anomaly
Publisher: American Meteorological Society
Abstract: We simulate the response of Asian summer climate to Atlantic multidecadal oscillation (AMO)-like sea surface temperature (SST) anomalies using an intermediate-complexity general circulation model (IGCM4). Experiments are ...
Climate Variability and Change of Mediterranean-Type Climates
Publisher: American Meteorological Society
Abstract: AbstractMediterranean-type climates are defined by temperate, wet winters, and hot or warm dry summers and exist at the western edges of five continents in locations determined by the geography of winter storm tracks and ...
A Comparison of the Variability of a Climate Model with Paleotemperature Estimates from a Network of Tree-Ring Densities
Publisher: American Meteorological Society
Abstract: Validation of the decadal to centennial timescale variability of coupled climate models is limited by the scarcity of long observational records. Proxy indicators of climate, such as tree rings, ice cores, etc., can be ...
Performance of Pattern-Scaled Climate Projections under High-End Warming. Part I: Surface Air Temperature over Land
Publisher: American Meteorological Society
Abstract: AbstractPattern scaling is widely used to create climate change projections to investigate future impacts. We consider the performance of pattern scaling for emulating the HadGEM2-ES general circulation model (GCM) paying ...
Mechanisms of Winter Precipitation Variability in the European–Mediterranean Region Associated with the North Atlantic Oscillation
Publisher: American Meteorological Society
Abstract: The physical mechanisms whereby the mean and transient circulation anomalies associated with the North Atlantic Oscillation (NAO) drive winter mean precipitation anomalies across the North Atlantic Ocean, Europe, and the ...
Estimating changes in global temperature since the pre-industrial period
Publisher: American Meteorological Society
Abstract: tter defining (or altogether avoiding) the term ?pre-industrial? would aid interpretation of internationally agreed global temperature limits and estimation of the required constraints to avoid reaching those limits.