Science. 1989 Oct 6;246(4926):101-3. doi: 10.1126/science.246.4926.101.
Reconstruction of an 83-year record (1903 to 1985) of the discharge of the Amazon River shows that there has been no statistically significant change in discharge over the period of record and that the predominant interannual variability occurs on the 2- to 3-year time scale. Oscillations of river discharge predate significant human influences in the Amazon basin and reflect both extrabasinal and local factors. Cross-spectrum analyses of Amazon flow anomalies with indicators of the El Niño-Southern Oscillation phenomenon suggest that the oscillations in the hydrograph are coupled to the tropical Pacific climate cycle.
重建亚马孙河（1903 年至 1985 年）的 83 年径流量记录表明，在记录期间，径流量没有出现统计学上的显著变化，且主要的年际变化发生在 2 至 3 年的时间尺度上。亚马孙河径流量的波动早于人类对亚马孙流域的重大影响，反映了流域外和当地的因素。亚马孙河流量异常的互谱分析与厄尔尼诺-南方涛动现象的指标表明，水文学上的波动与热带太平洋气候循环有关。
