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Filters: partyWithName: U.S. Geological Survey (X) > partyWithName: National Research Program (X) > partyWithName: John A Moody (X)

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This data release consist of the annual sediment depositional volume at five floodplain and five point bar sites on Powder River in southeastern Montana from 1979 through 2017. These 10 sites are a subgroup of a larger group of cross-sections established in 1975 and 1977 to monitor the channel changes along a 90-kilometer reach of Powder River. In addition to the sediment deposition data, characteristic of the annual peak flood are listed. The data are in 1 Excel files containing worksheets (10) corresponding to each channel cross-section .
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The consequence of the 1996 Buffalo Creek wildfire disturbance and a subsequent high-intensity summer convective rain storm (~100 mm h-1) was the deposition of a sediment superslug in the Spring Creek basin (26.8 km2) of the Front Range Mountains in Colorado. Changes in the superslug near the confluence of Spring Creek with the South Platte River were monitored by cross-section surveys at 18 nearly equally-spaced cross sections along a 1500 m study reach for 18 years (1996-2014) to understand the evolution and internal stratigraphy of this type of disturbance in response to different geomorphic processes. These data consist of 18 Excel files (one for each cross section) containing worksheets corresponding to each...
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This data release consists of four Excel files (one for each cross section) containing worksheets corresponding to each channel cross-section survey (~25-31) between 1996 and 2014. These worksheets contain the basic survey data (dates, instruments, reference elevations, foresights, distances from reference pins, and elevations). An additional worksheet contains the measured unit-volume (m^3/m) of chronostratigraphic units deposited during the time interval between two sequential surveys and the unit-volumes of each chronostratigraphic unit eroded during the same time interval. A final worksheet contains the age and transit-time distributions for selected surveys.
    map background search result map search result map Eighteen years (1996-2014) of channel cross-sectional measurements made in Spring Creek after the 1996 Buffalo Creek wildfire and subsequent flood Residence Times and Alluvial Architecture of a Sediment Superslug in Response to Different Flow Regimes in Spring Creek (1996-2016) Sediment Deposition on Floodplains and Point Bars of Powder River in Southeastern Montana from 1979 through 2017 Eighteen years (1996-2014) of channel cross-sectional measurements made in Spring Creek after the 1996 Buffalo Creek wildfire and subsequent flood Residence Times and Alluvial Architecture of a Sediment Superslug in Response to Different Flow Regimes in Spring Creek (1996-2016) Sediment Deposition on Floodplains and Point Bars of Powder River in Southeastern Montana from 1979 through 2017