Title South China Sea hydrological changes and Pacific WalkerCirculation variations over the last millennium
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South China Sea hydrological changes and Pacific Walker Circulation variations over the last millennium
The relative importance of north-south migrations of the intertropical convergence zone (ITCZ) versus El Niño-Southern Oscillation and its associated Pacific Walker Circulation (PWC) variability for past hydrological change in the western tropical Pacific is unclear. Here we show that north-south ITCZ migration was not the only mechanism of tropical Pacific hydrologic variability during the las...
متن کاملGeochemical evidence from corals for changes in the amplitude and spatial pattern of South Pacific interdecadal climate variability over the last 300 years
In the Pacific Ocean, the coherent pattern of interdecadal variations in sea surface temperature (SST) over the last 3100 years has been termed the Interdecadal Pacific Oscillation (IPO). To examine past variations in the IPO we have generated time series of Sr/Ca and oxygen isotopes (dO) from South Pacific Porites coral colonies growing at Rarotonga (1997 to 1726) and Fiji (1997 to 1780). At b...
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Using a semi-balloon otter trawl, crab fisheries in the main bays of Guangdong Province, China, were carried out seasonally . A total of 70 species were found, all belonging to the South China Sea Faunal sub region in the tropical India-West-Pacific Faunal Region. The clustering and nMDS ordination analysis revealed the existence of three groups. Group 1 included Hailing Bay and four bays to ...
متن کاملInterannual and Interdecadal Variations of the East Asian Summer Monsoon and Tropical Pacific SSTs. Part II: Meridional Structure of the Monsoon
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 monso...
متن کاملAnticorrelated intensity change of the quasi-biweekly and 30–50-day oscillations over the South China Sea
[1] Over the South China Sea, the year-to-year variations in the intensity of the quasi-biweekly (QBW) and 30–50-day oscillations during June–July are anti-correlated. An explanation is offered for the out-of-phase relationship. We found during strong QBW years, the June–July mean convection and easterly vertical shear are enhanced over the equatorial western-central Pacific, with corresponding...
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