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Cumulative Frequencies of Landslide Events
Number of days before or after first yearly occurrence of trial threshold temperature

Figure 3.--Cumulative frequency of landslide events associated with first yearly occurrence of even numbered trial threshold temperatures in the 50°F to 70°F range. Trial threshold temperatures are 6-day moving averages of daily maximum temperature. Note the high percentage of landside events that occur within 3 weeks after the arrival of trial thresholds in the 56°F to 60°F range.

Comments to Alan Chleborad (USGS): email logo