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This data collection consists of a synthetic stream network and associated catchments developed as the foundation for a Spatially Referenced Regressions on Watershed Attributes (SPARROW) dissolved-solids source and transport model for the Upper Colorado River Basin (UCRB). The SPARROW model requires a hydrologically connected representation of a stream network through which loads are transported from an upstream reach to the next reach downstream (Schwarz and others, 2006; Moore and others, 2004). Each stream reach or segment within this synthetic stream network has an associated local drainage area or catchment used to calculate catchment characteristics that may have an effect on loads being modeled. The synthetic...
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This dataset contains the predicted probability of occurrence for modeled distributions of smallmouth bass.
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Our objective was to model specific mean daily flow (mean daily flow divided by drainage area [cubic feet per second per square mile]) on small, ungaged streams in the Upper Colorado River Basin. Modeling streamflows is an important tool for understanding landscape-scale drivers of flow and estimating flows where there are no gaged records. We focused our study in the Upper Colorado River Basin, a region that is not only critical for water resources but also projected to experience large future climate shifts toward a drier climate.We used a random forest modeling approach to model the relation between specific mean daily flow on gaged streams (115 gages) and environmental variables. We then projected specific mean...
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Our objective was to model specific minimum flow (mean of the annual minimum flows divided by drainage area [cubic feet per second per square mile]) on small, ungaged streams in the Upper Colorado River Basin. Modeling streamflows is an important tool for understanding landscape-scale drivers of flow and estimating flows where there are no gaged records. We focused our study in the Upper Colorado River Basin, a region that is not only critical for water resources but also projected to experience large future climate shifts toward a drier climate. We used a random forest modeling approach to model the relation between specific minimum flow on gaged streams (115 gages) and environmental variables. We then projected...
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This dataset contains the predicted probability of occurrence for modeled distributions of longnose sucker.
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This dataset contains the predicted probability of occurrence for modeled distributions of fathead minnow.
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This dataset contains the predicted probability of occurrence for modeled distributions of cutthroat trout.
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This dataset contains the predicted probability of occurrence for modeled distributions of humpback chub.
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This dataset contains the predicted probability of occurrence for modeled distributions of common carp.
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This dataset contains the predicted probability of occurrence for modeled distributions of mountain sucker.
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This dataset contains the predicted probability of occurrence for modeled distributions of flannelmouth sucker.
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This dataset contains the predicted probability of occurrence for modeled distributions of brown trout.
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Our objective was to model the risk of becoming intermittent under drier climate conditions on small, ungaged streams in the Upper Colorado River Basin. Modeling streamflows is an important tool for understanding landscape-scale drivers of flow and estimating flows where there are no gaged records. We focused our study in the Upper Colorado River Basin, a region that is not only critical for water resources but also projected to experience large future climate shifts toward a drier climate. We used a conditional inference modeling approach to model the relation between intermittency status on gaged streams (115 gages) and selected mean and minimum flow metrics. We then projected intermittency status and if a stream...
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These data were compiled to study mercury and selenium concentrations in fish species and assemblages in lotic waterbodies across the Upper Colorado River Basin. Data were compiled from State and Federal agencies. This data table contains raw concentration data, as well as standardized concentrations corrected for differences based on sample type (i.e., tissue type), species-specific bioaccumulation rates (Table S1), and fish size (Table S2). The data were used in linear mixed effects models to estimate average mercury and selenium concentration in fish species and in fish assemblages, including fish total length (cm), sampling location (Sub basin name and GPS coordinates), and sampling year (Figures 2,3, and 4...
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This dataset contains the predicted probability of occurrence for modeled distributions of striped bass.
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This dataset contains the predicted probability of occurrence for modeled distributions of sand shiner.
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This dataset contains the predicted probability of occurrence for modeled distributions of western mosquitofish.
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In the drier, mid- and low-elevation portions of the Southern Rockies LCC, Fremont cottonwood represents the only native vegetation of tall stature, and cottonwood-dominated woodlands provide critical habitat for a large array of neotropical migratory birds and other animals. These woodlands likely dominated alluvial reaches of all streams where a snowmelt-driven spring flood was the major factor driving geomorphic and vegetation dynamics. These woodlands were also among the first habitats to undergo transformation as the regions land and water resources were developed.The PI coauthored a paper (Andersen et al. 2007) on assessing the amount of native Fremont cottonwood forest remaining on floodplains in 26 subbasins...
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This dataset contains the predicted probability of occurrence for modeled distributions of northern pike.
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This dataset contains the predicted probability of occurrence for modeled distributions of black crappie.


map background search result map search result map A GIS-Based Evaluation of Fremont Cottonwood Stand Dynamics in the SRLCC Longnose Sucker Predicted Probability of Distribution Flannelmouth Sucker Predicted Probability of Distribution Mountain Sucker Predicted Probability of Distribution Common Carp Predicted Probability of Distribution Northern Pike Predicted Probability of Distribution Western Mosquitofish Predicted Probability of Distribution Humpback Chub Predicted Probability of Distribution Smallmouth Bass Predicted Probability of Distribution Striped Bass Predicted Probability of Distribution Sand Shiner Predicted Probability of Distribution Cutthroat Trout Predicted Probability of Distribution Fathead Minnow Predicted Probability of Distribution Black Crappie Predicted Probability of Distribution Brown Trout Predicted Probability of Distribution Predicted specific mean daily flow Predicted specific minimum flow Predicted hydrology (intermittency) under drier climate conditions Upper Colorado River Basin SPARROW model catchments and synthetic stream network - 2017 Fish tissue mercury and selenium concentrations in Upper Colorado River Basin: 1962-2011 Fish tissue mercury and selenium concentrations in Upper Colorado River Basin: 1962-2011 A GIS-Based Evaluation of Fremont Cottonwood Stand Dynamics in the SRLCC Longnose Sucker Predicted Probability of Distribution Flannelmouth Sucker Predicted Probability of Distribution Mountain Sucker Predicted Probability of Distribution Common Carp Predicted Probability of Distribution Northern Pike Predicted Probability of Distribution Western Mosquitofish Predicted Probability of Distribution Humpback Chub Predicted Probability of Distribution Smallmouth Bass Predicted Probability of Distribution Striped Bass Predicted Probability of Distribution Sand Shiner Predicted Probability of Distribution Cutthroat Trout Predicted Probability of Distribution Fathead Minnow Predicted Probability of Distribution Black Crappie Predicted Probability of Distribution Brown Trout Predicted Probability of Distribution Upper Colorado River Basin SPARROW model catchments and synthetic stream network - 2017 Predicted hydrology (intermittency) under drier climate conditions Predicted specific mean daily flow Predicted specific minimum flow