A dam breaks, and stream stage is being monitored just below the dam and several kilometers downstream. Which of the following is true?

Question

Answer

The upstream hydrograph will show a lower, broader peak.

Answer

Overall stream discharge will be unaffected; hydrographs will show no changes.

Answer

The downstream hydrograph will show a lower, broader peak.

Answer

The flood will produce identically shaped peaks on the hydrographs at both places.

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