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| | CO2 Science |
 | | However, as Haque (2000) reports, although this particular flood was indeed the largest experienced by the Red River over the past century, it was not the largest to occur in historic times. |
 | | Their analysis indicated that six prominent flood events occurred at approximately AD 212, 440, 603, 1029, 1418 and 1605, "suggesting," in their words, "a quasi-periodicity of ~200 years," with "skipped" flooding just after AD 800, 1200 and 1800. |
 | | Once again doubling the length of time investigated, Campbell (2002) analyzed the grain sizes of sediment cores obtained from Pine Lake, Alberta, Canada, to provide a non-vegetation-based high-resolution record of streamflow variability for this part of North America over the past 4000 years. |
| www.co2science.org /scripts/CO2ScienceB2C/subject/f/summaries/floodsnortham.jsp (1796 words) |
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