A graph which display specific hydrological measurements over time including water levels and discharges.
A chart or graph that depicts changes in water quantity over time.
Why is the hydrograph important?
The hydrograph is an important tool in tracking climate variability over the course of a year and beyond. In catchments that are not heavily managed with dams and reservoirs, the hydrograph shows an annual climate signature generated by the seasonal runoff pattern of streams and rivers in a region.