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Floodflow characteristics at proposed bridge site on Fishkill Creek, Fishkill, New York

Open-File Report 76-595

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Abstract

An evaluation of floodflow characteristics of Fishkill Creek at the proposed bridge site at Fishkill, N.Y., was made for the 50- and 100-year floods. The flood-frequency analysis revealed that the magnitude of the 50- and 100-year floods are 8,000 cubic feet per second (cfs) and 10,000 cfs, respectively. The normal water-surface elevation at the approach cross section was determined by the slope-conveyance method to be 209.8 feet during a 50-year flood and 210.8 feet during a 100-year flood. Also included is an analysis of the effect of the existing bridge and of two alternative bridge designs on the profiles of floods having recurrence intervals of 50 and 100 years. (Woodard-USGS)

Additional Publication Details

Publication type:
Report
Publication Subtype:
USGS Numbered Series
Title:
Floodflow characteristics at proposed bridge site on Fishkill Creek, Fishkill, New York
Series title:
Open-File Report
Series number:
76-595
Edition:
-
Year Published:
1976
Language:
ENGLISH
Publisher:
U.S. Geological Survey,
Description:
iii, 8 leaves :ill., map ;27 cm.; (16 p. - PGS)