Calculating catchment characteristics
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A nice paper I came across recently (Latron et al., 2008), uses some simple indicators to determine rainfall–runoff relationship for a catchment. The R code for deriving them from time series is very simple and left as an excercise.
- Rainfall depth (mm)
- Mean rainfall intensity (mm)
- Maximum rainfall intensity (mm)
- Storm-flow (mm)
- Storm-flow coefficient (%)
- Base-flow specific discharge (at the start of the flood) (l/s/km2)
- Peak-flow specific discharge (l/s/km2)
- Specific discharge increment (l/s/km2)
References
- J. Latron, M. Soler, P. Llorens and F. Gallart, 2008. Spatial and temporal variability of the hydrological response in a small Mediterranean research catchment (Vallcebre, Eastern Pyrenees). Hydrol. Process. 22, 775-787.