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This landing page contains peak-flow frequency analyses by the U.S. Geological Survey Wyoming - Montana Water Science Center. Sets of analyses are published as data releases which are child items to this landing page.
Types: Map Service,
OGC WFS Layer,
OGC WMS Layer,
OGC WMS Service;
Tags: Beaverhead River,
Clark Fork,
Montana,
Wyoming,
annual exceedance probability, All tags...
hydrology,
magnitude and frequency of peak discharges,
streamflow, Fewer tags
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The USGS Wyoming-Montana Water Science Center (WY–MT WSC) completed a report (Sando and McCarthy, 2018) documenting methods for peak-flow frequency analysis following implementation of the Bulletin 17C guidelines. The methods are used to provide estimates of peak-flow quantiles for 50-, 42.9-, 20-, 10-, 4-, 2-, 1-, 0.5-, and 0.2-percent annual exceedance probabilities (AEPs) for selected streamgages operated by the WY–MT WSC. This data release presents peak-flow frequency analyses for 11 selected streamgages in Jefferson County, Montana, that were based on methods described by Sando and McCarthy (2018).
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This file (wymt_ffa_2018D_WATSTORE.txt) contains peak flow data for peak-flow frequency analyses for selected streamgages in and near the Milk River Basin, Montana, based on data through water year 2018. The file is in a text format called WATSTORE (National Water Data Storage and Retrieval System) available from NWISWeb (http://nwis.waterdata.usgs.gov/usa/nwis/peak).
Tags: Land,
Lower Milk,
Middle Milk,
Milk,
Milk Headwaters, All tags...
Montana,
North America,
USGS-CC Natural Hazards,
United States,
Upper Milk,
annual exceedance probability,
computational methods,
floods,
hazard preparedness,
hazards,
hydrologic processes,
hydrology,
inlandWaters,
peak-flow frequency,
statistical analysis,
stream-gage measurement,
streamflow,
streamflow,
time series analysis,
watershed management, Fewer tags
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This file (wymt_ffa_2021B_WATSTORE.txt) contains peak-flow input data for PeakFQ for peak-flow frequency analyses for selected streamgages based on data through water year 2021. The file format is called WATSTORE (National Water Data Storage and Retrieval System) available from NWISWeb (http://nwis.waterdata.usgs.gov/usa/nwis/peak).
Types: Map Service,
OGC WFS Layer,
OGC WMS Layer,
OGC WMS Service;
Tags: Bighorn,
Bighorn County,
Land,
Little Bighorn,
Lower Bighorn, All tags...
Lower Yellowstone,
Montana,
North America,
Rosebud,
Rosebud County,
Tongue,
Treasure County,
USGS-CC Natural Hazards,
United States,
Yellowstone,
Yellowstone County,
annual exceedance probability,
computational methods,
floods,
hazard preparedness,
hazards,
hydrologic processes,
hydrology,
inlandWaters,
peak-flow frequency,
statistical analysis,
stream-gage measurement,
streamflow,
streamflow,
time series analysis,
watershed management, Fewer tags
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