首页|Variations in the Summer Monsoon Rainbands Across Eastern China over the Past 300 Years
Variations in the Summer Monsoon Rainbands Across Eastern China over the Past 300 Years
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NETL
NSTL
万方数据
Based on reconstructions of precipitation events from the rain and snowfall archives of the Qing Dynasty (1736-1911),the drought/flood index data mainly derived from Chinese local gazettes from 1736-2000,and the observational data gathered since 1951,the spatial patterns of monsoon rainbands are analyzed at different time scales.Findings indicate that monsoon rainfall in northern China and the middle-lower reaches of the Yangtze River have significant inter-annual (e.g.,5-7-yr and 2-4-yr) as well as inter-decadal (e.g.,20-30-yr and quasi-10-yr) fluctuation signals.The spatial patterns in these areas also show significant cycles,such as on a 60-80-yr time scale,a reversal phase predominates the entire period from 1736-2000; on a quasi-30-yr time scale,a consistent phase was prevalent from 1736 to 2000; and on a 20-yr time scale,the summer monsoon rains show different spatial patterns before and after 1870.
NETL
NSTL
万方数据
