Channel geometry of Piedmont streams as related to frequency of floods

Kilpatrick, F.A.; Barnes, H.

doi:10.3133/pp422e

Cited by 57 publications

(50 citation statements)

References 1 publication

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The importance of channel gradient in most aspects of fluvial hydrogeomorphic processes has been indicated by Hack (1957), Lane (1957), Leopold, Wolman, and Miller (1964), Hack (1973), and Osterkamp (1978). Kilpatrick and Barnes (1964) suggested that channel gradient had a great influence on the character, elevation, and extent of 'benches' along southern Piedmont streams. They found that deposition as an agent in the formation of floodplains was strongly related to channel gradient.…”

Section: Resultsmentioning

confidence: 99%

The headward extent of fluvial landforms and associated vegetation on massanutten mountain, Virginia

Hupp

1986

Earth Surf Processes Landf

View full text Add to dashboard Cite

Variation in fluvial landforms and associated vegetation in the headward (upstream) direction has received little study and the controlling factors are not well understood. The relations among channel gradient, basin area, stream order, and the headward extent of fluvial landforms and vegetation was studied in 18 small basins and larger nearby stream reaches in the Massanutten Mountain area, northern Shenandoah Valley, Virginia. Low-order streams were traversed to their basin heads. Notice was made of the point or region of the disappearance of fluvial landforms. Indicator species were used to confirm landform identification. The studied landforms include the channel bar, channel shelf, floodplain, and terraces. Basin geomorphic characteristics were determined from topographic and geologic maps and ground surveys. Results suggest that gradient is the most important factor controlling the development of fluvial landforms. Floodplains have not developed along stream reaches where average channel gradients exceed 0.15. Channel shelves and associated vegetation occur farther upstream than floodplains.

show abstract

Section: Resultsmentioning

confidence: 99%

The headward extent of fluvial landforms and associated vegetation on massanutten mountain, Virginia

Hupp

1986

Earth Surf Processes Landf

View full text Add to dashboard Cite

show abstract

“…Although this may be true for most streams, the concept of a universally applicable recurrence interval for bankfull dis charge has been questioned by several investigators (Knighton, 1998;Richards, 1982;Williams, 1978). Some studies (Emmett and Wolman, 2001;Grant and others, 1990;Kilpatrick and Barnes, 1964;Lisle, 1987) have found that the recurrence interval of bankfull discharge tends to increase with an increase in channel slope; that is, high-gradient streams having coarse bed material tend to overtop their banks less frequently than low-gradient streams do.…”

Section: Frequency Of Bankfull Stagementioning

confidence: 99%

Bankfull characteristics of Ohio streams and their relation to peak streamflows

Sherwood¹,

Huitger²

2005

Scientific Investigations Report

View full text Add to dashboard Cite

“…The peak annual sample is constructed by extracting the maximum peak discharge of each year from a series of flows. This recurrence interval has been questioned in many studies (Kilpatrick and Barnes, 1964;Harvey, 1969;Hey andDavies, 1975, Woodyer, 1968;Williams, 1978;Petit and Pauquet, 1997), as the AMF approach mathematically always gives recurrence intervals of more than one year. For lower recurrence intervals, the bankfull discharge frequency can only be analysed with the partial duration series (PDS).…”

Section: Determination Of Bankfull Discharge Frequency and Durationmentioning

confidence: 99%

“…The bankfull discharge corresponds to the river level just before it starts to flow out of its main channel and over its floodplain (Wolman and Leopold, 1957;Kilpatrick and Barnes, 1964;Riley, 1972;Pickup and Reiger, 1979;Williams, 1978;Harrelson et al, 1994;McCandless and Everett, 2002).…”

Section: Introductionmentioning

confidence: 99%

Determination of bankfull discharge magnitude and frequency: comparison of methods on 16 gravel‐bed river reaches

Navrátil¹,

Albert²,

Herouin³

et al. 2006

Earth Surf Processes Landf

101

View full text Add to dashboard Cite

International audienceBankfull discharge is identified as an important parameter for studying river morphology, sediment motion, flood dynamics and their ecological impacts. In practice, the determination of this discharge and its hydrological characteristics is not easy, and a choice has to be made between several existing methods. To evaluate the impact of the choice of methods, five bankfull elevation definitions and four hydrological characterizations (determination of duration and frequency of exceedance applied to instantaneous or mean daily data) were compared on 16 gravel-bed river reaches located in France (the catchment sizes vary from 10 km2 to 1700 km2). The consistency of bankfull discharge estimated at reach scale and the hydraulic significance of the five elevation definitions were examined. The morphological definitions (Bank Inflection, Top of Bank) were found more relevant than the definitions based on a geometric criterion. The duration of exceedance was preferred to recurrence intervals (partial duration series approach) because it is not limited by the independency of flood events, especially for low discharges like those associated with the Bank Inflection definition. On average, the impacts of the choice of methods were very important for the bankfull discharge magnitude (factor of 1·6 between Bank Inflection and Top of Bank) and duration of exceedance or frequency (respectively a factor 1·8 and 1·9 between mean daily and instantaneous discharge data). The choice of one combination of methods rather than another can significantly modify the conclusions of a comparative analysis in terms of bankfull discharge magnitude and its hydrological characteristics, so that one must be cautious when comparing results from different studies that use different methods

show abstract

Channel geometry of Piedmont streams as related to frequency of floods

Cited by 57 publications

References 1 publication

The headward extent of fluvial landforms and associated vegetation on massanutten mountain, Virginia

The headward extent of fluvial landforms and associated vegetation on massanutten mountain, Virginia

Bankfull characteristics of Ohio streams and their relation to peak streamflows

Determination of bankfull discharge magnitude and frequency: comparison of methods on 16 gravel‐bed river reaches

Contact Info

Product

Resources

About