Topic
Monsoon
About: Monsoon is a research topic. Over the lifetime, 16087 publications have been published within this topic receiving 599888 citations.
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TL;DR: Wang et al. as discussed by the authors investigated spatial and temporal patterns of trends of the precipitation maxima (defined as the annual/seasonal maximum precipitation) in the Yangtze River basin for 1960-2005 using Mann-Kendall trend test, and explored association of changing patterns of precipitation maximima with large-scale circulation using NCEP/NCAR reanalysis data.
321 citations
TL;DR: In this article, the authors analyzed the upper-tropospheric summertime circulation over South America using a GCM (with and without South American topography), a linear model, and observational data.
Abstract: The climatological structure in the upper-tropospheric summertime circulation over South America is diagnosed using a GCM (with and without South American topography), a linear model, and observational data. Emphasis is placed on understanding the origin of observed features such as the Bolivian high and the accompanying “Nordeste low” to the east. Results from the linear model indicate that these two features are generated in response to precipitation over the Amazon basin, central Andes, and South Atlantic convergence zone, with African precipitation also playing a crucial role in the formation of the Nordeste low. The direct mechanical and sensible heating effects of the Andes are minimal, acting only to induce a weak lee trough in midlatitudes and a shallow monsoonal circulation over the central Andes. In the GCM, the effects of the Andes include a strengthening of the Bolivian high and northward shift of the Nordeste low, primarily through changes in the precipitation field. The position of ...
320 citations
TL;DR: In this article, five summer-monsoon proxies from the Northern Arabian Sea are combined using stacking and principal components analysis (PCA) to create two very similar multi-proxy records of summer monsoon variability, which allow evaluation of relative monsoon strength through time as well as the relative concentration of variance within orbital bands; these two parameters are less reliable when estimated from individual proxy records.
320 citations
TL;DR: In this article, rainfall in the southeastern coastal area of China (SEC) during 1951-96 is used to composite the tropical SST, 850-hPa wind, and 500hPa height.
Abstract: The relationship between the interannual variations of the East Asian summer monsoon and that of the tropical SST shows considerable variations. In this study, rainfall in the southeastern coastal area of China (SEC) during 1951–96 is used to composite the tropical SST, 850-hPa wind, and 500-hPa height. The results relative to the May–June rainfall, which represents most of the SEC summer monsoon rainfall, are compared to the Yangtze River Valley (YRV) rainfall composites. It is shown that strong interdecadal changes in the Pacific may account for the observed variations in the meridional structure of the monsoon–SST relationship. The western Pacific 500-hPa subtropical ridge, which is influenced by the equatorial eastern Pacific SST, is crucial to these variations. During 1951–77 the SEC wet phase is produced by an anomalous anticyclone in the northern South China Sea, which tends to make the monsoon pre-Mei-yu and Mei-yu fronts quasi-stationary in the general area of both SEC and YRV, and also ...
318 citations
TL;DR: In this paper, the authors examined the evolution of Miocene climate (both moisture and temperature) within five separate regions of Eurasia to help understand the large scale controls of long-term moisture in Central Asia.
317 citations