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RISUnderstanding Key Roles of Two ENSO Modes in Spatiotemporal Diversity of ENSO
Publisher: American Meteorological Society
Abstract: El Niño–Southern Oscillation (ENSO) events exhibit a diversity of amplitudes, spatial patterns, and life cycles, with the main ENSO periods concentrated in the 3–7-yr [low-frequency (LF)] and 2–3-yr [quasi-biennial (QB)] ...
Recharge Oscillator Mechanisms in Two Types of ENSO
Publisher: American Meteorological Society
Abstract: he El Niño?Southern Oscillation (ENSO) tends to behave arguably as two different ?types? or ?flavors? in recent decades. One is the canonical cold-tongue-type ENSO with major sea surface temperature anomalies (SSTA) ...
Contrasting Impacts of the Arctic Oscillation on Surface Air Temperature Anomalies in Southern China between Early and Middle-to-Late Winter
Publisher: American Meteorological Society
Abstract: n the boreal winter, the Arctic Oscillation (AO) evidently acts to influence surface air temperature (SAT) anomalies in China. This study reveals a large intraseasonal variation in the relationship between the winter AO ...
Diagnosing Relationships between Mean State Biases and El Niño Shortwave Feedback in CMIP5 Models
Publisher: American Meteorological Society
Abstract: AbstractThe rate of damping of tropical Pacific sea surface temperature anomalies (SSTAs) associated with El Niño events by surface shortwave heat fluxes has significant biases in current coupled climate models [phase 5 ...
Low-Frequency Variability in the Real-Time Multivariate MJO Index: Real or Artificial?
Publisher: American Meteorological Society
Low-Frequency Variability in the Real-Time Multivariate MJO Index: Real or Artificial?
Publisher: American Meteorological Society
Anatomy of Synoptic Eddy–NAO Interaction through Eddy Structure Decomposition
Publisher: American Meteorological Society
Abstract: method of eddy structure decomposition is proposed to detect how low-frequency flow associated with the North Atlantic Oscillation (NAO) organizes systematically synoptic eddy (SE) activity to generate in-phase and upstream ...
Eddy-Induced Growth Rate of Low-Frequency Variability and Its Mid- to Late Winter Suppression in the Northern Hemisphere
Publisher: American Meteorological Society
Abstract: ynoptic eddy and low-frequency flow (SELF) feedback plays an important role in reinforcing low-frequency variability (LFV). Recent studies showed that an eddy-induced growth (EIG) or instability makes a fundamental ...
Interdecadal Variations in the Relationship between the Winter North Atlantic Oscillation and Temperature in South-Central China
Publisher: American Meteorological Society
Abstract: nterdecadal variations in the relationship between the winter North Atlantic Oscillation (NAO) and surface air temperature in China are investigated using observational and reanalysis data. Focus is on south-central China, ...
A Coupled Dynamic Index for ENSO Periodicity
Publisher: American Meteorological Society
Abstract: AbstractEl Niño?Southern Oscillation (ENSO) is the most active interannual climatic mode, with great global impacts. The state-of-the-art climate models can simulate this dominant mode variability to a large extent. ...