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Baseflow Dominant Periods


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Created: Sep 09, 2025 at 4:47 a.m. (UTC)
Last updated: Sep 09, 2025 at 5:01 a.m. (UTC)
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Abstract

This dataset contains hand-labeled classifications of baseflow-dominant (BFD) periods from 182 USGS stream gages across the continental United States, representing the first systematically developed ground-truth dataset for baseflow period identification. The dataset encompasses daily streamflow records spanning from 1890-2024, with each record classified as either baseflow-dominant (BFD=1) or non-baseflow-dominant (BFD=0) based on expert hydrological analysis using graphical hydrograph separation principles. BFD periods were identified as flow conditions occurring without quickflow contributions, focusing on streamflow magnitude relative to long-term averages, hydrograph stability during recession periods, and characteristic slope patterns of baseflow behavior. Quality assurance included independent labeling by multiple experts to ensure consistency and reliability. This benchmark dataset enables systematic evaluation of automated BFD identification algorithms, supports machine learning model development, and facilitates continental-scale hydrological research for improved low-flow forecasting and groundwater-surface water interaction assessments.

Subject Keywords

Coverage

Spatial

Coordinate System/Geographic Projection:
WGS 84 EPSG:4326
Coordinate Units:
Decimal degrees
North Latitude
49.6783°
East Longitude
-65.0391°
South Latitude
24.4622°
West Longitude
-127.0898°

Content

How to Cite

Aghababaei, A. (2025). Baseflow Dominant Periods, HydroShare, http://www.hydroshare.org/resource/57c67185b49d41ff936884e98d201299

This resource is shared under the Creative Commons Attribution CC BY.

http://creativecommons.org/licenses/by/4.0/
CC-BY

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