Sediment data for mid-Arkansas and upper-Red River basins through 1980

Blumer, S.P.

doi:10.3133/ofr83692

Cited by 1 publication

(6 citation statements)

References 0 publications

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“…1981 1983 Downstream from many large Do. l 1952 1953 1954 1956 1957 1958 1959 1960 1961 1962 1963 1964 1965 1966 1967 1968 1969 WRD-KS, 19781979, 198019821983 vol . vol.…”

Section: Inadequatementioning

confidence: 99%

“…2 WRD-KS, 1980, vol. 2 WRD-KS, 1981WRD-KS, 1982WRD-KS, 1983 194D 1969 1974 1978 1980 1982 1983 4 7 6 1 5 4 2 3 1 6 2 3 1 6 2 12 1 14 3 10 15 2 20 21 22 1 14 1 16 1 9 4 13 8 1 1 2 1 2 1 2 6 3 6 12 12 1 2 2 2 1 WRD-KS, 1971, 1972, 1973, 1974, 19751976197719781979, 19801982 WRD-KS, 1980, vol. 2 Do.…”

Section: Inadequatementioning

confidence: 99%

“…2 WRD-KS, 1981WRD-KS, 1982WRD-KS, 1983 at Great Bend. 1971, 1972, 1973, 1974, 1975 1976 1977 1978 1979, 1980, 1981 1982 WRD-KS, 1977;1978;1979, 198019821983 Blu 1971, 1979, 1980, 1981 1982 1971; 1972, 1973, 1974, 1975; 1976; 1977; 1978; 1979, 1980, 1981 1982 1983 . Blu.l WSP 1944, Blu.l WSP 1950, Blu.l WSP 1957, Blu.l WSP 1964, Blu.l WSP 1994WSP 2014WSP 2096, Blu.l WSP 2146WSP 2156WRD-KS, 1971, part 2 WRD-KS, 1972, part 2 WRD-KS, 1973, part 2 WRD-KS, 1974, part 2 WRD-KS, 1975Blu.l WRD-KS, 1976;Blu.l 2 WRD-KS, 1977;Blu.l;WRD-KS, 1978;Blu.l WRD-KS, 1979, vol.…”

Section: Inadequatementioning

confidence: 99%

“…2;Blu.l WRD-KS, 1980, vol. 2;Blu.l WRD-KS, 1981WRD-KS, 1982WRD-KS, 1983 Little WRD-KS, 1971, 1972, 1973, 1974, 19751976;1977;1978;1979, 19801982 1971, 1972, 1973, 1974, 1975; 1976; 1977; 1978; 1979, 1980, 1981 1982 1983 1950 WSP 1944, WSP 1950, WSP 1957, WSP 1964, WSP 1994 Blu WRD-KS, 1979, vol. 2;Blu.l WRD-KS, 1980, vol.…”

Section: Inadequatementioning

confidence: 99%

“…2;Blu.l 1 WRD-KS, 1980, vol. 2;Slu.l WRD-KS, 1981WRD-KS, 19821 WRD-KS, 1983 DeGraff, Kansas publications 3/: Blu.l, Ost.4 WSP 1944, Blu.l WSP 1950, Blu.l WSP 1957, Blu.l WRD-KS, 1971 Blu.l WSP 1944, Blu.l WSP 1950, Blu.l WSP 1957, Blu.l WSP 1964, Blu.l WSP 1994WSP 2014WSP 2096, WSP 2146, Blu.l WSP 2146WSP 2156 WRD-KS, 1976;1977;1978;1979, 198019821983 81 u. WSP 1884, WSP 1944, Blu.l WSP 1944, Blu.l WSP 1950, Blu.l WSP 1957, Blu.l, USCE-T WSP 1964, Blu.l, USCE-T 1 WSP 1994WSP 2014WSP 2096, WSP 1968, Blu.l, WSP 2146WSP 2156WRD-KS, 1971, part 2 WRD-KS, 1972Blu.l WRD-KS, 1973, part 2;Blu.l WRD-KS, 1974, part 2;Blu.l WRD-KS, 1975WRD-KS, 1976…”

Section: Inadequatementioning

confidence: 99%

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Design of a sediment data-collection program in Kansas as affected by time trends

Jordan¹

1985

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Data-collection programs need to be reexamined periodically in order to insure their usefulness, efficiency, and applicability. The possibility of time trends in sediment concentration, in particular, makes the examination with new statistical techniques desirable. After adjusting sediment concentrations for their relation to streamflow rates and by using a seasonal adaptation of Kendall's nonparametric statistical test, time trends of flow-adjusted concentrations were detected for 11 of the 38 sediment records tested that were not affected by large reservoirs. Ten of the 11 trends were toward smaller concentrations; only 1 was toward larger concentrations. Of the apparent trends that were not statistically significant (0.05 level) using data available, nearly all were toward smaller concentrations. Because the reason for the lack of statistical significance of an apparent trend may be inadequacy of data rather than absence of trend and because of the prevalence of apparent trends in one direction, the assumption was made that a time trend may be present at any station. This assumption can significantly affect the design of a sediment data-collection program. Sudden decreases (step trends) in flow-adjusted sediment concentrations were found at all stations that were short distances downstream from large reservoirs and that had adequate data for a seasonal adaptation of Wilcoxon's nonparametric statistical test. Examination of sediment records in the 1984 data-collection program of the Kansas Water Office indicated 12 stations that can be discontinued temporarily because data are now adequate. Data collection could be resumed in 1992 when new data may be needed because of possible time trends. New data are needed at eight previously operated stations where existing data may be inadequate or misleading because of time trends. Operational changes may be needed at some stations, such as hiring contract observers or installing automatic pumping samplers. Implementing the changes in the program can provide a substantial increase in the quantity of useful information on stream sediment for the same funding as the 1984 level.

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“…1981 1983 Downstream from many large Do. l 1952 1953 1954 1956 1957 1958 1959 1960 1961 1962 1963 1964 1965 1966 1967 1968 1969 WRD-KS, 19781979, 198019821983 vol . vol.…”

Section: Inadequatementioning

confidence: 99%

Section: Inadequatementioning

confidence: 99%