hydrograph
A graph of flow past a point in a river versus time.
Noun
- A graph of flow past a point in a river versus time.
- A graph of water table versus time.
- A comparison of Silurian dolomite aquifer water-level hydrographs and pumpage graphs indicates that in general water-level decline is directly proportional to pumpage and suggests that recharge balances discharge. -...
Origin
From hydro- + -graph.