Some Sediment Aspects of Tropical Storm Agnes

by Harold P. Guy, (M.ASCE), Res. Hydro.; U.S. Geological Survey, Reston, VA,
Terry L. Clayton, Hydrologic Technician; U.S. Geological Survey, Fairfax, VA,

Serial Information: Journal of the Hydraulics Division, 1973, Vol. 99, Issue 9, Pg. 1653-1658

Document Type: Journal Paper


This note documents the runoff and sediment aspects of hurricane Agnes (June 1972) on the drainage basin of Stave Run in Reston, Vir. The total drainage basin area contributing to the runoff was 49.1 acres (19.87 x 104m²) composed of 13.7 acres (5.5 x 104m²) of a wooded (hardwood) area, 8.6 acres (3.48 x 104m²) of asphalt paving, and 2.7 (1.09 x 104m²) of the main Geological Survey building. The remaining area, termed the construction area, is in various states of stability relative to sediment yield. Tables and graphs are presented showing the amount of rainfall, the amount of runoff, and the amount of sediment eroded, site deposited, and transported.

Subject Headings: Drainage basins | Runoff | Sediment | Tropical regions | Hurricanes and typhoons | Wood structures | Pavements | Geological surveys

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