Sando, S.K., Chase, K.J., and McCarthy, P.M., 2020, Peak-flow frequency analyses for selected streamgages in Missoula and Granite Counties, Montana, based on data through water year 2018

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 selected streamgages in Missoula and Granite Counties, Montana, that were based on methods described by Sando and McCarthy (2018).

Data e Risorse

Campo Valore
accessLevel public
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identifier http://datainventory.doi.gov/id/dataset/usgs-5e13dd3ce4b0ecf25c53b569
metadata_type geospatial
modified 2020-08-31T00:00:00Z
old-spatial -115.0869, 45.7248, -112.7426, 47.3018
publisher U.S. Geological Survey
resource-type Dataset
source_datajson_identifier true
source_hash 4844a60360a4d39a1df372aa1c5c33519763045e53d208d264470906c4e12e92
source_schema_version 1.1
spatial {"type": "Polygon", "coordinates": [[[-115.0869, 45.7248], [-115.0869, 47.3018], [ -112.7426, 47.3018], [ -112.7426, 45.7248], [-115.0869, 45.7248]]]}
theme {geospatial}
Gruppi
  • AmeriGEOSS
  • National Provider
  • North America
Tag
  • AmeriGEO
  • AmeriGEOSS
  • CKAN
  • GEO
  • GEOSS
  • National
  • North America
  • United States
  • annual-exceedance-probability
  • granite-county
  • hydrology
  • missoula-county
  • montana
  • peak-flow-frequency
  • streamflow
  • usgs-5e13dd3ce4b0ecf25c53b569
isopen False
license_id notspecified
license_title License not specified
maintainer Katherine Chase
maintainer_email kchase@usgs.gov
metadata_created 2025-09-24T06:04:19.569784
metadata_modified 2025-09-24T06:04:19.569794
notes 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 selected streamgages in Missoula and Granite Counties, Montana, that were based on methods described by Sando and McCarthy (2018).
num_resources 2
num_tags 16
title Sando, S.K., Chase, K.J., and McCarthy, P.M., 2020, Peak-flow frequency analyses for selected streamgages in Missoula and Granite Counties, Montana, based on data through water year 2018