Paleoflood Hydrology on the lower Green River, Upper Colorado River Basin, USA: An example of a naturalist approach to flood-risk analysis. 2019, Liu et al.
SUMMARY OF FINDINGS
Approach: analysis of physical evidence from past flood phenomena
Physical evidence: slackwater deposits (sediment) and paleostage indicators (perched driftwood is an example)
Year of obtaining samples: 2012
Dating techniques: Accelerator Mass Spectrometry, radiocarbon, optically stimulated luminescence
Number of sites: 6
Location of sites: Stillwater Canyon; lower Green River, Utah. Beginning 21 miles above confluence with the Colorado River, in Canyonlands National Park.
Basin: Colorado River in southwest USA
Time-frame: the last seven centuries
Total number of floods: 27
Magnitude (range in cubic meters per second): 500 to 7,500 Magnitude (range in cubic feet per second): 17,657 to 264,860
Highest peak from gage record: 68,122 cubic feet per second
Number of floods greater than gage record: 14