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  1. Andy Sharpe
  2. General Wetland Topics
  3. Tuesday, January 06 2015, 09:50 PM
I am comparing the hydrographs from shallow monitoring wells upslope and downslope of a linear alteration across a wetland. From my research, I have learned that hydrograph data typically does not have a normal distribution and should be compared using non-parametric statistical tests, such as the Mann-Wilcox. I have examined the data in a number of ways, including: median depth to groundwater, fraction of time with saturation within 30 cm of surface, duration of flooding etc. I am interested in hearing from others on methods to determine what constitutes an ecologically significant change in wetland hydrographs.

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