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On the Assessment of Nonlocal Climate Feedback. Part II: EFA-SVD and Optimal Feedback Modes
Publisher: American Meteorological Society
Abstract: The equilibrium feedback assessment (EFA) is combined with the singular value decomposition (SVD) to assess the large-scale feedback modes from a lower boundary variability field onto an atmospheric field. The leading ...
On the Assessment of Nonlocal Climate Feedback. Part I: The Generalized Equilibrium Feedback Assessment
Publisher: American Meteorological Society
Abstract: A statistical method is developed to assess the full climate feedback of nonlocal climate feedbacks. The method is a multivariate generalization of the univariate equilibrium feedback assessment (EFA) method of Frankignoul ...
Observational Assessment of Nonlocal Heat Flux Feedback in the North Atlantic by GEFA
Publisher: American Meteorological Society
Abstract: ost previous studies have proven the local negative heat flux feedback (the surface heat flux response to SST anomalies) in the midlatitude areas. However, it is uncertain whether a nonlocal heat flux feedback can be ...
Assessing Atmospheric Response to Surface Forcing in the Observations. Part I: Cross Validation of Annual Response Using GEFA, LIM, and FDT
Publisher: American Meteorological Society
Abstract: hree statistic methods [generalized equilibrium feedback analysis (GEFA), linear inverse modeling (LIM), and fluctuation?dissipation theorem (FDT)] are compared for their assessment of the atmospheric response to sea surface ...
Impact of La Niña on the Following-Summer East Asian Precipitation through Intermediate SST Anomalies
Publisher: American Meteorological Society
Observed Atmospheric Responses to Global SST Variability Modes: A Unified Assessment Using GEFA
Publisher: American Meteorological Society
Abstract: The authors present a comprehensive assessment of the observed atmospheric response to SST variability modes in a unified approach using the Generalized Equilibrium Feedback Analysis (GEFA). This study confirms a dominant ...
Assessing the Influence of Regional SST Modes on the Winter Temperature in China: The Effect of Tropical Pacific and Atlantic
Publisher: American Meteorological Society
Abstract: his study investigates the influence of different sea surface temperature (SST) modes on the winter temperature in China using the generalized equilibrium feedback assessment (GEFA). It is found that the second EOF mode ...
Rethinking Tropical Ocean Response to Global Warming: The Enhanced Equatorial Warming
Publisher: American Meteorological Society
Abstract: The response of tropical Pacific SST to increased atmospheric CO2 concentration is reexamined with a new focus on the latitudinal SST gradient. Available evidence, mainly from climate models, suggests that an important ...