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Nonlinear Resonance and Instability of Planetary Waves and Low-Frequency Variability in the Atmosphere
Publisher: American Meteorological Society
Abstract: It is demonstrated in this work that linearly unstable planetary waves can be resonantly excited to finite amplitude in a nonlinear barotropic atmosphere with vorticity forcing and dissipation. In a weakly forced/dissipated ...
Relations between Northward Ocean and Atmosphere Energy Transports in a Coupled Climate Model
Publisher: American Meteorological Society
Abstract: The Third Hadley Centre Coupled Ocean?Atmosphere General Circulation Model (HadCM3) is used to analyze the relation between northward energy transports in the ocean and atmosphere at centennial time scales. In a transient ...
Oceanic Influence on North Atlantic Climate Variability
Publisher: American Meteorological Society
Abstract: The role of ocean dynamics in low-frequency climate variability in the North Atlantic is investigated using the Hadley Centre coupled climate model (HadCM3). An ensemble of three 100-yr experiments, in which low-frequency ...
Low-Latitude Freshwater Influence on Centennial Variability of the Atlantic Thermohaline Circulation
Publisher: American Meteorological Society
Abstract: Variability of the thermohaline circulation (THC) has been analyzed in a long control simulation by the Met Office's Third Hadley Centre Coupled Ocean?Atmosphere General Circulation Model (HadCM3). It is shown that internal ...
Toward an Understanding of Deep-Water Renewal in the Eastern Mediterranean
Publisher: American Meteorological Society
Abstract: This paper presents a scenario for understanding the unexpectedly large changes of deep waters and thermohaline circulation in the Eastern Mediterranean during the past decade. It is demonstrated as a possible deep-water ...
Large-Scale Atlantic Salinity Changes over the Last Half-Century: A Model–Observation Comparison
Publisher: American Meteorological Society
Abstract: Large-scale freshening of the northern Atlantic, and concurrent salinity increases in the low-latitude Atlantic upper layers, have been widely reported for the second half of the twentieth century. The role of anthropogenic ...
Changes in Soil Moisture Persistence in China over the Past 40 Years under a Warming Climate
Publisher: American Meteorological Society
Abstract: Variability in soil moisture has implications for regional terrestrial environments under a warming climate. This paper focuses on the spatiotemporal variability in the intra-annual persistence of soil moisture in China ...
Potential Underestimation of Future Mei-Yu Rainfall with Coarse-Resolution Climate Models
Publisher: American Meteorological Society
Abstract: AbstractThe amount of rainfall during June and July along the mei-yu front contributes about 45% to the total summer precipitation over the Yangtze River valley. How it will change under global warming is of great concern ...
ENSO Transition from La Niña to El Niño Drives Prolonged Spring–Summer Drought over North China
Publisher: American Meteorological Society
Abstract: AbstractPersistent drought is a major meteorological disaster causing vast agricultural damage and long-term regional water crises. Over north China, this type of drought tends to begin in spring and to persist until summer ...
Disentangling the Driving Mechanisms of the Tripole Mode of Summer Rainfall over Eastern China
Publisher: American Meteorological Society
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