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Model files for estimating snow dynamics and stable water isotopes across the East River, CO.

Creators: Carroll R
Year: 2023
DOI: 10.15485/1889747
License: See source for details
Location: These are the edges of the domain which is described by this modeling dataset. This domain describes the contributing watershed area above the USGS stream gage 09112500, East River at Almont, CO.
Temporal extent: 2015-10-01 to 2020-10-01
Bounding box: 38.650°N to 39.040°N, -107.130°W to -106.740°W
Publisher: RMBL
Tags: hydrology, snow, modeling, water isotopes, East River, stable water isotopes, snow dynamics, post-depositional fractionation, CATEGORICAL:NONE Isotopes, Forest Ecology, Hydrology & Watersheds, Snow & Ice, Soil Science, Weather & Atmospheric Science, Geospatial Analysis, Data Science & Modeling, Gunnison Basin

Description

A coupled hydrologic and snowpack stable water isotope model is used to assesses controls on isotopic inputs across the East River, Colorado, a large, mountainous basin. The hydrologic model uses the semi-empirical, spatially distributed and publicly available U.S. Geological Survey numerical code Precipitation-Modelling Runoff System (PRMS). Water and energy are tracked daily through the atmosphere, canopy and subsurface at a 100-m grid resolution. The isotope mass balance model follows previous work by Ala-aho et al. (2017) to track stable isotopes entering the soil system as snowmelt or rain. Water stores and fluxes needed for the isotope model use hydrologic model output for each timestep and model modeled grid location. This data package provides all files related to the hydrologic model (executable, input and output files), the isotopic model calibration and the historic isotopic model (water years 2015-2020). The isotope model source code and executable are provided. The file "readme.txt" includes information on the file structure, steps to run the model, and description of included folders.

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