单词 | hydrograph |
释义 | hydrograph|ˈhaɪdrəgrɑːf, -æ-| [f. hydro- + -graph.] †1. An instrument for transmitting sound under water and recording messages so received. Obs. rare.
1893Westm. Gaz. 19 Oct. 7/3 (heading) Talking through the water. The wonders of the hydrograph. 2. A graph showing the variation of level, speed of flow, or another quantity at some point on a river. orig. U.S.
1897Monthly Weather Rev. (U.S.) XXV. 129/1 Hydrographs for typical points on seven principal rivers are shown on Chart VI. 1936Water-Supply Paper U.S. Geol. Survey No. 771. 71 Among the graphic devices that have been widely used in the study of stream-flow data is the hydrograph of discharge, which depicts the average flows by days,..years, or other time intervals. 1969Stud. & Rep. Hydrol. I. 125 A linear distributed-system model..predicts a flood hydrograph from rainfall information and catchment characteristics. |

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