The following graphs show comparative differences between a range of physical, hydrometric and meteorological properties of the various catchments and sub-catchments being used in the study.

Mharcaidh = Allt a' mharcaidh (Feshie tributary); WC = Wolf Creek; HJA = HJ Andrews; HB = Hubbard Brook.


Catchment Altitude


Catchment Relief

Mean Annual Air Temperature

Mean Annual Precipitation


Mean Annual Discharge


Mean Streamwater δ18O


Standard Deviation of Streamwater δ18O


Precipitation, Discharge and Evapotranspiration Characteristics within Catchments