Floods in North Carolina, magnitude and frequency

Forrest, W.; Speer, P.R.

doi:10.3133/ofr6247

Cited by 4 publications

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“…Riggs (1955) prepared a flood-frequency report for North Carolina using streamflow records to October 1953. Forrest and Speer (1961) revised and extended the earlier analysis by Riggs~ and presented in one volume the flood data collected to October 1960. Later floodfrequency reports Gamble~ 1964a~ 1964b~ 1965) cover major river basins, each report being generally applicable to a part of North Carolina.…”

Section: Introductionmentioning

confidence: 85%

“…Records from 257 gaging stations were used. These data are published in annual reports of the Geological Survey, and compilations have been made in several reports (Riggs, 1955;Forrest and Speer, 1961;Speer and Gamble;1964a, 1964b, 1965. Streamflow records used in this report were restricted to gaging stations with less than 150 square miles of drainage area and with annual peaks for 5 or more years.…”

Section: Data Usedmentioning

confidence: 99%

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Floods on small streams in North Carolina, probable magnitude and frequency

Hinson¹

1965

Circular

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Section: Introductionmentioning

confidence: 85%

Section: Data Usedmentioning

confidence: 99%

Floods on small streams in North Carolina, probable magnitude and frequency

Hinson¹

1965

Circular

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Floods in Nebraska on small drainage areas, magnitude and frequency

Beckman¹,

Hutchison²

1962

Circular

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Flood hazard information is needed for small streams as well as for large ones. This report explains methods of defining the magnitude and frequency of floods in Nebraska on uncontrolled and unregulated streams which have about 300 square miles or less of drainage area contributing to surface runoff. Composite frequency curves defined for two flood regions express a ratio of floods with recurrence intervals ranging from 1.1 to 25 years to the mean annual flood. Curves for 10 hydrologic areas were defined to show the relation of the mean annual flood to the contributing drainage area. A flood-frequency curve can be drawn from these two sets of curves for any site in the State within the range of drainage area and recurrence interval that is defined by the base data and not materially affected by the works of man. The two sets of curves are based on all available pertinent data from records of 5 or more years' duration. This report includes a tabulation of maximum flood peaks at gaging stations used and at a number of miscellaneous sites which have less than 300 square miles of contributing drainage area. Geological Survey, under the direction of Floyd F. LeFever, district engineer, Surface Water Branch, in cooperation with the Nebraska Department of Roads. Financial assistance in the preparation of the report was given by the Bureau of Public Roads. DESCRIPTION OF AREA PHYSIOGRAPHY Nebraska has an expansive, gently rolling to rough topography, broken in places by low hills, a few isolated buttes, mesas, ravines, and several relatively shallow, major streams which flow in an easterly direction. CLIMATE The climate of Nebraska is typical of large interior continental areas in the middle latitude; it is characterized by light average annual precipitation, a great range of precipitation from season to season and year to year, and frequent and abrupt changes in temperature and other weather conditions. The average annual rainfall shows a gradual progressive increase from 14 inches in the extreme western part of the State to 34

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Summary of floods in the United States during 1956

Hendricks¹

1964

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Floods in North Carolina, magnitude and frequency

Cited by 4 publications

References 0 publications

Floods on small streams in North Carolina, probable magnitude and frequency

Floods on small streams in North Carolina, probable magnitude and frequency

Floods in Nebraska on small drainage areas, magnitude and frequency

Summary of floods in the United States during 1956

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