Groundwater Biogeochemistry and Dissolved Organic Matter Cycling
studies how water moves through soils and sediments and the chemical reactions that occur underground, which is crucial for understanding water quality and ecosystem health.
Concept (42) →
weathering
biogeochemical reactions
dissolved organic matter
Major form of organic carbon across aquatic ecosystems, fueling stream metabolism and mediating key biogeochemical processes
metal concentrations
porewater chemistry
Chemical composition of water occupying soil pore spaces, indicating mobility of dissolved constituents
groundwater-surface water interactions
The bidirectional exchange of water between groundwater aquifers and surface water bodies including streams, with groundwater contributing baseflow to...
dissolved oxygen
CO2 flux
hyporheic zone
Shallow subsurface zone where river and groundwater mix, serving as a source or sink of reactive nitrogen depending on water residence times and nitro...
hydraulic gradient
Show 32 more concepts
pH
specific conductance
porosity
concentration-discharge relationships
hydraulic connectivity
The degree to which water movement is facilitated or impeded through connected flow paths in subsurface sediments
transit time distributions
redox reactions
reactive transport
hypogene mineralization
Mineral formation from ascending hydrothermal solutions
aerobic respiration
petrogenic organic carbon
Organic carbon derived from sedimentary rocks that is often poorly quantified and influences soil organic carbon composition, age, and stability
reactive transport modeling
Modeling approach that couples transport processes with geochemical reactions to understand subsurface flow and chemical interactions
iron redox cycling
metabolomes
sample treatment effects
DIC export
river networks
scattering
sorption
uranium mineralogy
The association of uranium with different solid-phase mineral forms that influences uranium mobility between solid and water phases
ecoregion
Geographic classification system used to reduce complexity and simplify presentation of continental-scale results
turnover times
depth distributions
saturation index
biogeographical patterns
Geographic patterns in biodiversity and chemical diversity across latitudinal and environmental gradients
scaling relationships
retardation processes
solid-phase uranium
physical protection
carbonate
nutrient removal
biolability
Protocol (13) →
drive-point piezometer groundwater sampling
Systematic collection of groundwater samples at regular depth intervals using sediment coring and peristaltic pumping, with immediate field analysis a...
standard water chemistry analysis suite
Standard analytical chemistry methods using ion chromatography for anions and inductively coupled plasma mass spectrometry for cations and trace eleme...
TOC analysis
Comprehensive chemical analysis of water samples including major ions, trace metals, and conservative tracers using multiple analytical techniques. In...
Fourier Transform Ion Cyclotron Resonance Mass Spectrometry
High-resolution mass spectrometry analysis using Fourier Transform Ion Cyclotron Resonance to characterize the molecular composition of organic matter...
Stepped-temperature elemental analysis
Stepped-temperature thermal analysis to quantify readily oxidizable organic carbon (OC400), total inorganic carbon (TIC), and residual organic carbon ...
Solid Phase Extraction
Sample pre-treatment method using PPL cartridges (Bond Elut) after acidifying samples to pH 2 with phosphoric acid to extract organic compounds.
SEM-EDS microanalysis
Quantitative XRD analysis of powdered rock samples using Rietveld refinement to determine mineral concentrations and spatial distribution. Samples ana...
Ferrozine method for iron determination
Colorimetric determination of ferrous iron concentrations using ferrozine reagent with spectrophotometric measurement at 562 nm absorption peak and ca...
Sterivex filtration
Samples filtered through 0.22 μm Sterivex filters with housings made of Eastar co-polyester.
Methylene blue spectrophotometry
Dissolved sulfide concentration determined by reacting H2S with N,N-dimethyl-p-phenylene diamine under acidic conditions to form methylene blue.
Show 3 more protocols
Resazurin-based aerobic respiration assay
Measurement of oxygen consumption rates in pore water samples using resazurin as an indicator dye. Samples preserved at 4°C for 24 hours before spectr...
jar method
Standardized wet sieving method using Yoder device to determine soil aggregate size distributions. Measures water-stable aggregates across multiple si...
gravimetric soil moisture analysis
Standard gravimetric determination of soil moisture content using oven-drying method at 100°C for 24 hours with 2mm sieving to remove rocks and organi...
Publication (11) →
Seasonal Manganese Transport in the Hyporheic Zone of a Snowmelt-Dominated River (East River, Colorado)
Quantifying Subsurface Flow and Solute Transport in a Snowmelt-Recharged Hillslope With Multiyear Water Balance
Molecular diversity of dissolved organic matter reflects macroecological patterns in river networks
Seasonal manganese transport in the hyporheic zone of a snowmelt-dominated river (East River, Colorado)
A molecular investigation of soil organic carbon composition across a subalpine catchment
Single-Well Push–Pull Tracer Test Analyses to Determine Aquifer Reactive Transport Parameters at a Former Uranium Mill Site (Grand Junction, Colorado)
Column-Test Data Analyses and Geochemical Modeling to Determine Uranium Reactive Transport Parameters at a Former Uranium Mill Site (Grand Junction, Colorado)
Relationships between CO2, thermodynamic limits on silicate weathering, and the strength of the silicate weathering feedback
Using Fission-Track Radiography Coupled with Scanning Electron Microscopy for Efficient Identification of Solid-Phase Uranium Mineralogy at a Former Uranium Pilot Mill (Grand Junction, Colorado)
Quantifying the effect of petrogenic carbon on SOC turnover for two Rocky Mountain soils: when are petrogenic carbon corrections required?
Dataset (72) →
East River Pore Water FTICR-MS Data associated with "Geomorphic and Hydrogeochemical Controls on Fine-Scale Hyporheic Microbiome Assembly and Function"
Pore water samples were collected from distributed locations around Meander A in East River (Crested Butte, CO, USA) during the summer of 2018. This d...
2016 Floodplain Geochemistry from the East River Watershed, Colorado
This dataset includes groundwater geochemistry data from floodplain piezometers collected as a part of the Watershed Function Scientific Focus Area (S...
Depth-resolved seasonal porewater chemistry measurements from 3 locations around Meander A of the East River, Colorado
Depth-resolved pore water samples were recovered from 3 locations around Meander A in the East River near Crested Butte, CO, USA for a suite of physio...
Kinetics Data of Iron(II), Manganese(II), Dissolved Organic Carbon and Nitrate from Batch Incubation Experiments Using Hyporheic Sediments from the East River Watershed, Colorado.
Hyporheic zones act as critical ecological links between terrestrial and aquatic systems where redox-sensitive metals of iron (Fe) and manganese (Mn) ...
East River Surface and Pore Water FTICR-MS Data Associated with “Implications of sample treatment on characterization of the riverine environmental metabolome”
Surface and pore water samples were collected from distributed locations around Meander A in East River (Crested Butte, CO, USA) during the summer of ...
2019 Meander C and Meander Z floodplain groundwater chemistry from the East River Watershed, CO, USA
This dataset includes groundwater geochemistry data from floodplain piezometers collected as a part of the Watershed Function Scientific Focus Area (S...
In-situ electrochemical and water quality data; Slate River and East River floodplains, Crested Butte, CO; May 2022-September 2022.
This data package includes a time-series of field measurements from May to September 2022 in groundwater and surface water from the Slate River and Ea...
Surface Water Disinfection Byproducts and Organic Matter Characterization Data Associated with: “Disinfection byproducts formed during drinking water treatment reveal an export control point for dissolved organic matter in a subalpine headwater stream”
This dataset is associated with the publication “Disinfection byproducts formed during drinking water treatment reveal an export control point f...
Surface Water Quality Data from Beaver-Impacted Streams; Trail Creek and East River, Colorado 2025
This data package contains surface water chemistry measurements collected in 2025 to evaluate how beaver damming and low-tech process-based stream res...
Data from Stewart et al. 2026 "Organic Colloid Composition in Variable-Redox Porewaters within a Mountainous Floodplain"
Redox gradients, often driven by changes in sediment moisture levels in porous, heterogeneous groundwater systems, create dynamic conditions that may ...
Show 62 more datasets
Foliar element determination from field survey in association with the National Ecological Observatory Network Airborne Observation Platform survey, East River, Colorado 2018
The purpose of this dataset is to support research aimed at understanding the coupling between hydrologic and biogeochemical processes at watershed sc...
2017 Meander C and O floodplain groundwater chemistry from the East River, Colorado.
This dataset includes groundwater geochemistry data from floodplain piezometers collected as a part of the Watershed Function Scientific Focus Area (S...
Total metal, carbon, anion, iron speciation, and sulfide concentrations; Slate River, East River, and Trail Creek surface water and floodplains, Crested Butte, CO; May 2023–August 2023
This data package comprises analytical results and metadata from stream and groundwater samples collected from the Slate River, East River, Trail Cree...
WHONDRS Summer 2019 Sampling Campaign: Global River Corridor Sediment FTICR-MS, Dissolved Organic Carbon, Aerobic Respiration, Elemental Composition, Grain Size, Total Nitrogen and Organic Carbon Content, Bacterial Abundance, and Stable Isotopes (v9)
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Specific conductivity, pH, dissolved oxygen, water temperature, alkalinity and sulfide in-situ data; Slate River floodplain, Crested Butte, CO; May 2020-October 2020
This data package includes a time-series of field measurements from May to October 2020 in groundwater and surface water from the Slate River floodpla...
Kinetics Data of Iron(II), Manganese(II), Dissolved Organic Carbon and Nitrate from Batch Incubation Experiments Using Hyporheic Sediments from the East River Watershed, Colorado.
Hyporheic zones act as critical ecological links between terrestrial and aquatic systems where redox-sensitive metals of iron (Fe) and manganese (Mn) ...
Total metals, carbon, nitrogen & anion concentration data; Slate River & East River floodplains, Crested Butte, CO; May 2022-October 2022
This data package includes processed and undiluted measurements for metal, total carbon, total nitrogen, and anion concentrations from pore water (gro...
Bulk density, grain size, carbon, and nitrogen content of floodplain fine sediment along the East River, Colorado collected from 2014 to 2017
The dataset is comprised of grain size, bulk density, carbon and nitrogen content of soils sampled on the floodplain of the East River 4 to 11 km down...
Total metals & anion concentration data; Slate River floodplain, Crested Butte, CO; May 2020-September 2020
This data package includes processed and undiluted measurements for metal and anion concentrations from pore water (groundwater) samples from the Slat...
Kinetics Data of Iron(II), Manganese(II), Dissolved Organic Carbon and Nitrate from Batch Incubation Experiments Using Hyporheic Sediments from the East River Watershed, Colorado.
Hyporheic zones act as critical ecological links between terrestrial and aquatic systems where redox-sensitive metals of iron (Fe) and manganese (Mn) ...
East River Surface and Pore Water FTICR-MS Data Associated with “Implications of sample treatment on characterization of the riverine environmental metabolome”
Surface and pore water samples were collected from distributed locations around Meander A in East River (Crested Butte, CO, USA) during the summer of ...
Rhizosphere Soil Biogeochemical Data and Photosynthetic Data of Vicia Faba in a Rhizobox
Here we share the data in column format via csv files for pH, redox, and dissolved oxygen collected at hourly resolution from microelectrodes. Dissolv...
East River Surface and Pore Water FTICR-MS Data Associated with “Implications of sample treatment on characterization of the riverine environmental metabolome”
Surface and pore water samples were collected from distributed locations around Meander A in East River (Crested Butte, CO, USA) during the summer of ...
East River Surface and Pore Water FTICR-MS Data Associated with “Implications of sample treatment on characterization of the riverine environmental metabolome”
Surface and pore water samples were collected from distributed locations around Meander A in East River (Crested Butte, CO, USA) during the summer of ...
East River Surface and Pore Water FTICR-MS Data Associated with “Implications of sample treatment on characterization of the riverine environmental metabolome”
Surface and pore water samples were collected from distributed locations around Meander A in East River (Crested Butte, CO, USA) during the summer of ...
East River Surface and Pore Water FTICR-MS Data Associated with “Implications of sample treatment on characterization of the riverine environmental metabolome”
Surface and pore water samples were collected from distributed locations around Meander A in East River (Crested Butte, CO, USA) during the summer of ...
East River Surface and Pore Water FTICR-MS Data Associated with “Implications of sample treatment on characterization of the riverine environmental metabolome”
Surface and pore water samples were collected from distributed locations around Meander A in East River (Crested Butte, CO, USA) during the summer of ...
Total metal, carbon, anion, iron speciation, and sulfide concentrations; Slate River, East River, and Trail Creek surface water and floodplains, Crested Butte, CO; May 2023–August 2023
This data package comprises analytical results and metadata from stream and groundwater samples collected from the Slate River, East River, Trail Cree...
Total metal, carbon, anion, iron speciation, and sulfide concentrations; Slate River, East River, and Trail Creek surface water and floodplains, Crested Butte, CO; May 2023–August 2023
This data package comprises analytical results and metadata from stream and groundwater samples collected from the Slate River, East River, Trail Cree...
Total metal, carbon, anion, iron speciation, and sulfide concentrations; Slate River, East River, and Trail Creek surface water and floodplains, Crested Butte, CO; May 2023–August 2023
This data package comprises analytical results and metadata from stream and groundwater samples collected from the Slate River, East River, Trail Cree...
Total metal, carbon, anion, iron speciation, and sulfide concentrations; Slate River, East River, and Trail Creek surface water and floodplains, Crested Butte, CO; May 2023–August 2023
This data package comprises analytical results and metadata from stream and groundwater samples collected from the Slate River, East River, Trail Cree...
Specific conductivity, pH, dissolved oxygen, water temperature and alkalinity in-situ data; Slate River floodplain, Crested Butte, CO; March 2021-October 2021.
This data package includes a time-series of field measurements from March to October 2021 in groundwater and surface water from the Slate River floodp...
Data from: “Significant stream chemistry response to temperature variations in a high-elevation mountain watershed”
High-elevation mountain regions, central to global freshwater supply, are experiencing more rapid warming than low-elevation locations. High-elevation...
Waterlevel, geochemical, and borehole data from Rifle, Colorado from 2006-2016
The files included in this data package provide site wide water level data, geochemical data, and borehole information associated with the Rifle site ...
Waterlevel, geochemical, and borehole data from Rifle, Colorado from 2006-2016
The files included in this data package provide site wide water level data, geochemical data, and borehole information associated with the Rifle site ...
East River Surface and Pore Water FTICR-MS Data Associated with “Implications of sample treatment on characterization of the riverine environmental metabolome”
Surface and pore water samples were collected from distributed locations around Meander A in East River (Crested Butte, CO, USA) during the summer of ...
East River Surface and Pore Water FTICR-MS Data Associated with “Implications of sample treatment on characterization of the riverine environmental metabolome”
Surface and pore water samples were collected from distributed locations around Meander A in East River (Crested Butte, CO, USA) during the summer of ...
East River Surface and Pore Water FTICR-MS Data Associated with “Implications of sample treatment on characterization of the riverine environmental metabolome”
Surface and pore water samples were collected from distributed locations around Meander A in East River (Crested Butte, CO, USA) during the summer of ...
East River Surface and Pore Water FTICR-MS Data Associated with “Implications of sample treatment on characterization of the riverine environmental metabolome”
Surface and pore water samples were collected from distributed locations around Meander A in East River (Crested Butte, CO, USA) during the summer of ...
East River Surface and Pore Water FTICR-MS Data Associated with “Implications of sample treatment on characterization of the riverine environmental metabolome”
Surface and pore water samples were collected from distributed locations around Meander A in East River (Crested Butte, CO, USA) during the summer of ...
East River Surface and Pore Water FTICR-MS Data Associated with “Implications of sample treatment on characterization of the riverine environmental metabolome”
Surface and pore water samples were collected from distributed locations around Meander A in East River (Crested Butte, CO, USA) during the summer of ...
Inverted resistivity and IP models
This data release consists of 1,984 line-kilometers of airborne electromagnetic (AEM), magnetic data and radiometric data collected from October to No...
Minimally processed AEM, magnetic and radiometric data
This data release consists of 1,984 line-kilometers of airborne electromagnetic (AEM), magnetic data and radiometric data collected from October to No...
Processed AEM data
This data release consists of 1,984 line-kilometers of airborne electromagnetic (AEM), magnetic data and radiometric data collected from October to No...
DWCZ - CO - Coal Creek - Soil Collection ICP - (DWCZ-MEF-CC-SoilSample-Transect-AWinkler) - (2022-2023)
Locations: Coal Creek, which serves as the drinking water source for the town of Crested Butte, CO, receives both acid mine and acid rock drainage as ...
East River Surface and Pore Water FTICR-MS Data Associated with “Implications of sample treatment on characterization of the riverine environmental metabolome”
Surface and pore water samples were collected from distributed locations around Meander A in East River (Crested Butte, CO, USA) during the summer of ...
East River Surface and Pore Water FTICR-MS Data Associated with “Implications of sample treatment on characterization of the riverine environmental metabolome”
Surface and pore water samples were collected from distributed locations around Meander A in East River (Crested Butte, CO, USA) during the summer of ...
East River Surface and Pore Water FTICR-MS Data Associated with “Implications of sample treatment on characterization of the riverine environmental metabolome”
Surface and pore water samples were collected from distributed locations around Meander A in East River (Crested Butte, CO, USA) during the summer of ...
East River Surface and Pore Water FTICR-MS Data Associated with “Implications of sample treatment on characterization of the riverine environmental metabolome”
Surface and pore water samples were collected from distributed locations around Meander A in East River (Crested Butte, CO, USA) during the summer of ...
Total metals, sulfur and organic carbon data; Slate River floodplain, Crested Butte, CO; March 2021-October 2021
This data package includes processed and undiluted measurements for metal, sulfur and organic carbon concentrations from pore water (groundwater) samp...
Data and scripts associated with “Riverine dissolved organic matter transformations increase with watershed area, water residence time, and Damköhler numbers in nested watersheds” (v2)
This data package is associated with the publication “Riverine dissolved organic matter transformations increase with watershed area, water resi...
Aerobic respiration controls on shale weathering, Geochimica et Cosmochimica Acta, 2023: Dataset
This data package was generated in order to support the development of a deep-time weathering model and to assess the coupling between shale weatherin...
Aerobic respiration controls on shale weathering, Geochimica et Cosmochimica Acta, 2023: Dataset
This data package was generated in order to support the development of a deep-time weathering model and to assess the coupling between shale weatherin...
Geochemistry of East River, Colorado floodplain sediments from Meander Z and Meander Y collected in 2017.
This dataset includes sediment geochemical characterization data from floodplain sediments collected as a part of the Watershed Function Scientific Fo...
WHONDRS Surface Water Dissolved Organic Carbon and FTICR-MS across Stream Orders in Four United States Watersheds in 2019 and 2020.
This dataset supports the broader Watershed Rules of Life (WROL) study examining spatial and temporal biogeochemical and microbial relationships acros...
Dataset for Quantifying Dissolved Organic Matter Scaling Relationships and Trends in Watersheds
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Upper Colorado River Basin: Monitoring sites and water chemistry data used to develop a specific conductance - salinity proxy model
Salinity levels in streams and tributaries of the Colorado River Basin have been a major concern for years. Recently, the United States Geological Sur...
Laboratory Optical Measurements Collected for Surface Water Samples Collected within Fraser River in the Upper Colorado River Basin from September 2021 through August 2023
Optical spectra reported here are collected from 17 surface water sampling sites within the Fraser River, a headwaters drainage of the Upper Colorado ...
Total dissolved-solid loads in the Upper Colorado River Basin during high-flow hydrologic events from 2021 to 2023
This U.S. Geological Survey (USGS) data release contains data that allows for calculation of total dissolved-solid loads for high-flow and baseflow co...
Foliar element determination from field survey in association with an Analytical Spectral Device Fieldspec3 survey, East River, CO 2023
Foliar elements were determined for samples collected in the field during a 2023 survey in Gunnison County, CO that also included paired data collecti...
Geochemistry and Environmental Tracer Data for Groundwater, Stream Water, and Sediment from the East Mancos River, Colorado, 2023
This U.S. Geological Survey (USGS) data release contains data from stream water, groundwater, and stream sediment samples collected in August 2023 in ...
Whole rock major, minor, and trace element geochemistry of the upper part of the Mount Emmons-Redwell porphyry molybdenum (Climax-type) deposit, Redwell Basin, Crested Butte, Colorado
This U.S. Geological Survey (USGS) data release provides whole rock major, minor, and trace element geochemical data from the fluorine-rich Mount Emmo...
WHONDRS Surface Water Sampling for Metabolite Biogeography (Geochemistry and Aligned FTICR-MS).
This dataset is from an ongoing global survey of surface water metabolites to provide understanding of the character of organic matter that may be del...
Total dissolved-solid loads in the Upper Colorado River Basin during high-flow hydrologic events from 2021 to 2023
This U.S. Geological Survey (USGS) data release contains data that allows for calculation of total dissolved-solid loads for high-flow and baseflow co...
Lead isotopic compositions of airborne particulates collected from snow and from dry deposition in the East River Watershed, Colorado and at the Southern Sierra Critical Zone Observatory, California.
The data set consists of lead (Pb) isotopic ratios (206Pb/207Pb and 208Pb/207Pb, as well as 206Pb/204Pb, 207Pb/204Pb, 208Pb/204Pb) for particulate sam...
Soil bulk density and texture data collected during field survey associated with NEON AOP survey, East River, CO 2018.
The purpose of soil core sampling was to determine soil bulk density, volumetric water content, and soil texture across the sites that were sampled in...
DWCZ - CO - Coal Creek - Soil Collection ICP - (DWCZ-MEF-CC-SoilSample-Transect-AWinkler) - (2022-2023)
Locations: Coal Creek, which serves as the drinking water source for the town of Crested Butte, CO, receives both acid mine and acid rock drainage as ...
Digital Data from Mineral Investigation of Sangre de Cristo Wilderness Study Area, Alamosa, Custer, Fremont, Huerfano, and Saguache Counties, Colorado, USA
This Data Release provides tabular and geospatial data digitized by the U.S. Geological Survey (USGS) from a U.S. Bureau of Mines (USBoM) report title...
Petrogenic organic carbon estimates for two Rocky Mountain soils underlain by Cretaceous Mancos Shale
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Electrical Resistivity Tomography (ERT) Data
Surface geophysical surveys were conducted from 2016 to 2018 in the greater East River Watershed near Crested Butte Colorado with a focused effort in ...
LAS Digital logs for the Mancos Shale, Candy Lane 1 (CL-1) Core in Montrose County, Colorado
The Candy Lane 1 (CL-1) core was acquired in November 2005 as part of a multidisciplinary effort by the U.S. Geological Survey, the Bureau of Land Man...
Supplemental Data for "Using Fission-Track Radiography Coupled with Scanning Electron Microscopy for Efficient Identification of Solid-Phase Uranium Mineralogy at a Former Uranium Pilot Mill (Grand Junction, Colorado)"
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