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Machine Learning Assisted Gap-Filled Discharge Data for the East River Community Watershed, Colorado, for Water Years 2014-2021

Creators: Michelle NewcomerORCID, Carroll Rosemary, Kenneth Williams
Year: 2022
DOI: 10.15485/1868939
Location: The East River (ER) is a snow‐dominated, headwater basin of the Upper Colorado River Basin (UCRB) located in the western United States. The ER is the designated testbed of Lawrence Berkeley National Laboratory's Watershed Function Scientific Focus Area (WFSFA). Through WFSFA, observational networks have been established to measure stream discharge and precipitation chemistry. The ER is considered representative of many snow‐dominated headwaters of the Rocky Mountains. The study domain encompasses nearly 85 square km, a 1.4‐km vertical drop in elevation (4,120 to 2,760 m) and pristine alpine, subalpine, montane, and riparian ecosystems. The ER contains high‐energy mountain streams to low‐energy meandering floodplains and is eroding primarily into the Cretaceous, carbon‐rich, marine shale of the Mancos Formation. Additional metadata on specific locations within the watershed are provided in the following related data package: Varadharajan C. et al. (2020) doi:10.15485/1660962
Temporal extent: 2014-09-01 to 2021-09-30
Bounding box: 38.880°N to 39.034°N, 106.880°W to 107.050°W
Publisher: RMBL
Tags: discharge/flow, machine learning, gap-fill, river stage/discharge, Discharge, CATEGORICAL:NONE River stage/discharge, Alpine & Subalpine Ecology, Forest Ecology, Hydrology & Watersheds, Snow & Ice, Geology & Tectonics, Weather & Atmospheric Science, Data Science & Modeling, Gunnison Basin, Research Programs

Description

This dataset contains a collection of machine learning assisted gap-filled discharge data created for all discharge stations across the East River Watershed, Colorado. This data was generated by using raw discharge data collected by Rosemary Carroll, and conducting a random forest machine learning analysis to gap-fill discharge data across all years at the hourly time level. Discharge data with gaps creates problems for analysis of measured and modeled fluxes of carbon and nitrogen exported out of each sub-watershed. Gap-filled data is also required as an input to surface water models, which helps to address our main research question related to how snowmelt timing impacts the timing and magnitude of nitrogen exports. Data is provided in one csv file.

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