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Point locations of 312 continuous-record streamflow gages, used to estimate runoff and baseflow using six hydrograph-separation methods, in the Northwest Volcanic Aquifer Study Area, USA

Dates

Publication Date
Start Date
1904
End Date
2015

Citation

Curtis, J.A., 2019, Point locations of 312 continuous-record streamflow gages, used to estimate runoff and baseflow using six hydrograph-separation methods, in the Northwest Volcanic Aquifer Study Area, USA: U.S. Geological Survey data release, https://doi.org/10.5066/P9WWKST1.

Summary

The U.S. Geological Survey’s Water Availability and Use Study Program (WAUSP) (https://water.usgs.gov/ogw/gwrp/activities/regional.html) supports quantitative assessments of groundwater availability in areas of critical importance. As part of a WAUSP study in the arid to semi-arid Northwest Volcanic Aquifer Study Area (NVASA), estimates of runoff and baseflow were determined for 312 streamflow-gaging stations from 1904 to 2015. Gages with complete water years (October to September) of continuous-streamflow record were used to partition streamflow into runoff and baseflow, which is that part of streamflow attributed to groundwater discharge. For each water year annual estimates of baseflow, runoff, and a base-flow index were determined [...]

Contacts

Point of Contact :
Jennifer A Curtis
Originator :
Jennifer A Curtis
Metadata Contact :
Jennifer A Curtis, Pacific Region
Publisher :
U.S. Geological Survey
Distributor :
U.S. Geological Survey - ScienceBase

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Shapefile: NVASA_312_SW_gages.zip
NVASA_312_SW_gages.CPG 5 Bytes
NVASA_312_SW_gages.dbf 166.82 KB
NVASA_312_SW_gages.prj 574 Bytes
NVASA_312_SW_gages.sbn 3.3 KB
NVASA_312_SW_gages.sbx 380 Bytes
NVASA_312_SW_gages.shp 8.63 KB
NVASA_312_SW_gages.shx 2.54 KB

Purpose

As part of a U.S. Geological Survey groundwater availability study of the semi-arid to arid Northwest Volcanic Aquifer Study Area (NVASA), stream hydrographs were analyzed to identify patterns in hydrologic response and hypothesize about the influence of climate and geology as controlling factors.

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  • USGS California Water Science Center

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