hydrograph Maven July 19, 2013 0 28 « Back to Glossary IndexA hydrograph is a graph that shows some property of groundwater or surface waters over a period of time. Related Articles: TED GRANTHAM: The evolution of environmental flows in CaliforniaWESTERN GROUNDWATER CONGRESS: Utilizing excess winter stormwater flows for groundwater rechargeFEATURE: The state of the salmonids in CaliforniaGUEST COMMENTARY: How to Use Climate Change in California Water Resource LitigationWatersheds 101« Back to Glossary Index