River Discharge into the Mediterranean Sea: Climatology and Aspects of the Observed Variability

River Discharge into the Mediterranean Sea: Climatology and Aspects of the Observed Variability
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DOI:
10.1175/jcli-3225.1
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发表时间:
2004-12
期刊:
影响因子:
4.9
通讯作者:
M. Struglia;A. Mariotti;A. Filograsso
M. Struglia;A. Mariotti;A. Filograsso
中科院分区:
地球科学2区
文献类型:
--
作者:
M. Struglia;A. Mariotti;A. Filograsso

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摘要:通过一个广泛的历史月时间序列数据集来研究地中海流域的河流流量,以代表进入海洋的最佳流量。结果表明,年平均流入地中海的河流流量为8.1 × 103 m3 s - 1,最多不应超过10.4 × 103 m3 s - 1。季节周期幅值为5 × 103 m3 s−1,盛夏为旱季,早春为高峰。主要贡献来自欧洲,其气候年平均值为5.7 × 103 m3 s−1。亚得里亚海、狮子湾和爱琴海的排放量占地中海排放量的62%,主要发生在亚得里亚海(2.7 × 103 m3 s−1)。北大西洋涛动(North Atlantic Oscillation, NAO)主要在冬季影响地中海流域的流量,大部分地中海流域的河流流量与北大西洋涛动呈负相关。相关冬季距平约为冬季平均值的10%-20%。在1960 - 1990年期间,地中海…
Abstract River discharge across the Mediterranean catchment basin is investigated by means of an extensive dataset of historical monthly time series to represent at-best discharge into the sea. Results give an annual mean river discharge into the Mediterranean of 8.1 × 103 m3 s−1, or at most a value that should not exceed 10.4 × 103 m3 s−1. The seasonal cycle has an amplitude of 5 × 103 m3 s−1, with a dry season in midsummer and a peak flow in early spring. Dominant contributions are from Europe with a climatological annual mean of 5.7 × 103 m3 s−1. Discharge in the Adriatic Sea, the Gulf of Lion, and the Aegean Sea together account for 62% of Mediterranean discharge, which mostly occurs in the Adriatic (2.7 × 103 m3 s−1). The North Atlantic Oscillation (NAO) impacts Mediterranean discharge primarily in winter, with most river discharges across the Mediterranean catchment being anticorrelated with the NAO. Related winter anomalies are about 10%–20% of the winter means. During the period 1960–90, Mediterra...