Watershed Biogeochemistry and Hydrologic Modeling
studies how water movement and biogeochemical processes interact in mountain watersheds to understand nutrient cycling, pollution transport, and ecosystem responses to environmental change.
Concept (49) →
nitrogen pollution
Human-induced nitrogen input that has doubled biologically-available nitrogen on Earth
metagenome-assembled genome
Genomic bins reconstructed from metagenomic sequencing data representing individual microbial taxa
integrated hydrologic modeling
Coupled modeling approach simulating surface and subsurface hydrologic processes including groundwater flow and particle tracking
nitrate removal
Removal of nitrate from porewater through denitrification and other biogeochemical processes
stable water isotopes
Naturally occurring isotopes of hydrogen (²H) and oxygen (¹⁸O) in water molecules used to trace water sources and movement through soil-plant systems
pyrite oxidation
Oxidative dissolution of pyrite mineral producing sulfuric acid and iron oxides under oxic conditions
isotopic fractionation
acid-base interactions
electrical conductivity
Soil electrical conductivity measured via electrical resistivity tomography to estimate soil moisture and subsurface properties
biogeochemical heterogeneity
Spatial variability in biogeochemical processes and solute sources within watersheds, particularly between shallow soil zones and deeper groundwater z...
Show 39 more concepts
CO2
topographic wetness index
A proxy for subsurface moisture conditions calculated as the log ratio between upslope contributing area and slope angle
ground-penetrating radar
Geophysical method using electromagnetic waves to measure subsurface properties including snow density through travel-time analysis
drought severity
Standardized measure of water deficit calculated using the Standardized Precipitation Evapotranspiration Index (SPEI) over 12-month periods
hyporheic zone
Redox-stratified and temporally dynamic sediments in river corridors where biological processes mediate sulfur transformations
flow path partitioning
The division of water flow between different hydrological pathways including surface flow, shallow subsurface flow, and deep groundwater flow
temporal partitioning
redox zonation
Spatial organization of aerobic and anaerobic zones based on dissolved oxygen availability that controls biogeochemical reactions
spatial patterns
concentration-discharge relationship
The relationship between solute concentrations and discharge in streams, widely used as a metric for interpreting interaction of hydrological processe...
hysteresis
model performance evaluation
Statistical assessment of how well model outputs match observational data using metrics like correlation and efficiency measures
ensemble learning
Machine learning approach that combines multiple algorithms to improve predictive performance and robustness
transmissivity feedback
shale weathering
Chemical and physical breakdown of sedimentary shale rocks through interactions with water, atmospheric gases, and biological processes
Michaelis-Menten kinetics
sulfate reduction
Microbial reduction of sulfate coupled to organic matter oxidation in anoxic environments resulting in formation of low solubility sulfide minerals
Iron oxidation
drought resilience
Ability of forest ecosystems to maintain function during water-limited conditions through adaptive water use strategies
C-Q relationship
climate change impacts
The effects of long-term warming on hydrological processes, including changes in snowpack dynamics, growing season length, and water demand by vegetat...
root-regolith interactions
The interplay of belowground, microsite-scale biological, physical, and chemical processes that intersect to drive whole-ecosystem functioning
data synthesis
end-member mixing analysis
Statistical approach to quantify proportional contributions of different water sources to mixed samples using tracer concentrations
redox gradients
Spatial variations in oxidation-reduction conditions within floodplain environments that can form within microsites, along textural transitions, or al...
baseflow age distributions
lithologic composition
environmental tracer concentrations
Data Acquisition Layer
N-limited
fracture spacing
mountain-block recharge
nutrient acquisition depth
Vertical distribution of plant nutrient uptake from soil surface through saprolite to bedrock
fractured bedrock
chemostatic behavior
Concentration-discharge pattern where solute concentrations remain relatively constant across flow conditions, indicated by C-Q slope near zero
tritium concentration
resilience
Feature of interest
Feature Types
Protocol (14) →
structure from motion
Integrates multiple spatial data layers including lidar, airborne geophysics, hyperspectral remote sensing, and satellite data to characterize hillslo...
Electrical Resistivity Tomography
Time-lapse electrical resistivity imaging using dipole-dipole array configuration to map subsurface electrical conductivity patterns and estimate soil...
Reactive transport modeling
Integrated groundwater flow and reactive transport modeling using PHT-USG coupled with MODFLOW-USG for geochemical reactions and PHREEQC for reaction ...
stable isotope analysis (Plantae)
Collection and isotopic analysis of xylem and soil water to determine plant water sources using δ18O and δ2H signatures combined with Bayesian mixing ...
Snow pit stable isotope sampling
Systematic collection of snowpack samples across elevation gradients using snow pits dug at 10 cm increments to obtain SWE-weighted composite isotopic...
metaSPAdes assembly pipeline
Standard metagenomics pipeline involving assembly with MEGAHIT, binning with multiple tools, dereplication, and taxonomic classification using GTDB-tk...
SNOTEL and cooperative observer networks
Comprehensive deployment of precipitation, atmospheric, and surface energy budget sensors across elevation and topographic gradients in complex terrai...
16S rRNA gene sequencing
Systematic collection of sediment samples from floodplain sites at regular depth intervals followed by DNA extraction and metagenomic sequencing to ch...
Endmember splitting and mixing analysis
Uses stable isotope ratios (δ²H and δ¹⁸O) of precipitation and streamflow to quantify the relative contributions of snow versus rain to streamflow and...
Random Forest
Random Forest regression to predict ecosystem drought sensitivity from hydrological and topographic variables. Uses bootstrapped subsampling with mult...
Show 4 more protocols
Sanford et al. dissolved gas tracer method
Sampling of 3H and 4He environmental tracers from screened groundwater wells to constrain groundwater age distributions and validate numerical model p...
Three-phase meteorological QA/QC workflow
A comprehensive statistical framework for quality assurance and quality control of meteorological time series data involving preliminary data explorat...
Strontium isotope source tracing in plant tissues
Sequential extraction and ICP-MS analysis of soil pools and plant tissues to trace nutrient sources using 87Sr/86Sr ratios. Includes mixing model calc...
DI water extractable organic carbon and nutrient extraction
Deionized water extraction of sediments following Gregorich and Carter (2007) to measure dissolved nutrients and organic carbon. Designed to minimize ...
Place (31) →
Author (62) →
Kenneth Hurst Williams
S. S. Hubbard
Wenming Dong
Baptiste Dafflon
Dipankar Dwivedi
W. S. Brown
Carl I. Steefel
P. S. Nico
Markus Bill
Haruko M. Wainwright
Show 52 more authors
Amanda Henderson
Charuleka Varadharajan
Curtis A. Beutler
Nicola Falco
Alexander W. Newman
Eoin L. Brodie
Deb Agarwal
Tetsu Tokunaga
Patricia Fox
Boris Faybishenko
Jiamin Wan
Nicholas J. Bouskill
Madison Burrus
Bhavna Arora
Michelle Newcomer
Erica R. Siirila-Woodburn
Roelof Versteeg
D. S. Christianson
Valerie Hendrix
Reed M. Maxwell
Jillian F. Banfield
M. E. Conrad
Sebastian Uhlemann
Heidi Steltzer
Matthias Sprenger
C. G. Anderson
Yuxin Wu
Marco Keiluweit
Sergio Carrero
Scott Fendorf
Utkarsh Mital
P. James Dennedy-Frank
J. N. Christensen
Christian Dewey
Benjamin Gilbert
J. B. Brown
Jiancong Chen
Chelsea Wilmer
Langlang Li
Patrick O. Sorensen
Andrew H Manning
Nicholas Thiros
Craig Ulrich
John Peterson
William Payton Gardner
Chen Wang
Jonathon O. Sharp
Ulas Karaoz
Laura T. Leonard
Lijing Wang
Shi Wang
Chunwei Chou
Publication (11) →
BASIN-3D: A brokering framework to integrate diverse environmental data
Probabilistic Evaluation of Geoscientific Hypotheses With Geophysical Data. Application to Electrical Resistivity Imaging of a Fractured Bedrock Zone
A tale of two catchments: causality analysis and isotope systematics reveal mountainous watershed traits that regulate the retention and release of nitrogen
Beaver dams overshadow climate extremes in controlling riparian hydrology and water quality
A comparison of lodgepole and spruce needle chemistry impacts on terrestrial biogeochemical processes during isolated decomposition
The role of snowmelt and subsurface heterogeneity in headwater hydrology of a mountainous catchment in Colorado: A model-data integration approach
Significant stream chemistry response to temperature variations in a high-elevation mountain watershed
Depth of nutrient uptake by deep-rooted plants is regulated by water availability
Challenging problems of quality assurance and quality control (QA/QC) of meteorological time series data
Estimation of Evapotranspiration Rates and Root Water Uptake Profiles From Soil Moisture Sensor Array Data
Dataset (55) →
Data for "Depth of nutrient uptake by deep-rooted plants is regulated by water availability"
The data set consists of strontium (Sr) isotope ratios (87Sr/86Sr), water isotopes, soil cation concentrations, soil water potential sensor data, and ...
Hydrological control of chemical weathering and rock-carbon fluxes: East River, Colorado
This data package is used in the manuscript entitled “Hydrological control of chemical weathering and rock-carbon fluxes”. The field study was conduct...
Meteorological and Soil Data from Ecohydrology Sensor Towers at Pump House and Snodgrass Mountain in East River Watershed, Colorado, 2019-2025
This data package includes hourly meteorological and soil sensor data at eight ecohydrology monitoring sites in East River Watershed, Colorado as part...
Depth-resolved sagebrush root metabolomics, rhizosphere microbial communities, and geochemistry at the East River Watershed
This data set consists of results from soil nutrient profile, untargeted metabolomics, mass spec imaging, and amplicon sequencing. Data for soil nutri...
Gap-filled water quality, Normalized Differenced Vegetation Index, total nitrogen (nitrate and ammonia) deposition, and land cover data trends for the Continental United States
The purpose of this work was to quantify trends in water quality, total nitrogen deposition, vegetation, and land-use trends for the Continental Unite...
2D reactive transport model of shale chemical weathering and biogeochemical fluxes along a mountainous hillslope, East River Watershed, Colorado: Input files and simulation results
This data package contains input files and simulation results for a two-dimensional (2D) reactive transport model used to quantitatively analyze the c...
Influence of hydrological, biogeochemical and temperature transients on subsurface carbon fluxes in a flood plain environment, Biogeochemistry: Dataset
Data tables used in Arora et al. 2016b Influence of hydrological, biogeochemical and temperature transients on subsurface carbon fluxes in a flood pla...
Metagenome-assembled genomes measured at 3 depths during snowmelt period in East River, CO (March, May, and June, September 2017)
Snowmelt is a critical biogeochemical period that accounts for large nitrogen (N) export events from high-elevation watersheds. Soil microbial populat...
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...
Metagenome-assembled genomes from topsoils collected during NEON campaign in East River, CO (06/14/2018-06/28/2018)
The Watershed Function Science Focus Area (WF SFA) at Lawrence Berkeley National Lab is working to build a mechanistic understanding of the distributi...
Show 45 more datasets
Radon Isotopes and Stable Water Isotopes from Coal Creek Watershed, Colorado (2021)
The radon isotope and stable water isotope data for Coal Creek Watershed, Colorado, consists of d2H, d18O, and 222Rn values from samples collected at ...
Geophysical and Environmental Monitoring Data, and Subsurface Flow Modelling Results for Chicken Bone Meadow, Mt. Snodgrass, Crested Butte, CO
This dataset includes geoelectrical monitoring data acquired between October 2021 and November 2022, soil moisture and temperature data, groundwater d...
Sulfur x-ray absorption spectroscopy data from bedrock shale, soil, and floodplain sediment from the East River, Colorado watershed.
This dataset includes sulfur x-ray absorption near edge spectroscopy (XANES) data collected on solid samples as a part of the Watershed Function Scien...
Montane Conifer, Aspen, Meadow, and Sagebrush Metagenome Resolved Genomes and Traits in East River Watershed, Colorado, USA
Climate change is driving vegetation shifts in mountain watersheds, with unknown impacts on biogeochemical cycles. We hypothesize that these shifts wi...
Geochemistry and Strontium Isotopes for Coal Creek Watershed, Colorado, 2021-2022
The geochemistry and strontium isotope data for Coal Creek Watershed, Colorado, consists of cation, anion, and 87Sr/87Sr isotope values from samples c...
Using strontium isotopes to evaluate the spatial variation of groundwater recharge, Science of The Total Environment: Dataset
Data tables used in Christensen et al. 2018 Using strontium isotopes to evaluate the spatial variation of groundwater recharge, Science of The Total E...
Geophysical survey associated with NEON AOP survey, East River, CO 2018
The package contains data layers developed and used in Falco et al. 2024: “EcoImaging: Advanced Sensing to Investigate Plant and Abiotic Hierarchical ...
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 ...
2017 Meander C sediment characterization from the East River, Colorado
This dataset includes characterization data collected on sediment samples from Meander C as part of the Watershed Function Scientific Focus Area (SFA)...
Metagenome-assembled genomes from topsoils along a hillslope water gradient across early snowmelt to late summer in East River, CO
Drought is changing the American Mountain West at unprecedented rates with unknown consequences to soil microbiome composition and function. As a part...
Groundwater elevation data for monitoring wells within the East and Taylor River basins, Colorado (USA)
This dataset is comprised of temporal variations in groundwater elevation data for the 24 monitoring wells located throughout the East River watershed...
Surface soil temperature and water content from warming experiment located at the Rocky Mountain Biological Laboratory, Colorado, 2015 to 2019
This data package consists of soil temperature and soil water content sensor data from the warming experiment near the Rocky Mountain Biological Labor...
Raw Data published in PeerJ, 2021 for Crested Butte decomposition field study 2017-2019
This data package contains text files that describe geochemical measurements collected from 2017-2019 during isolated conifer needle decomposition fie...
Continuous sensor suite measurements of weather, energy, soil and flux at four PumpHouse sites at the East River, Colorado.
The purpose of this package is to monitor energy and water fluxes using a comprehensive set of sensors integrated on a tripod set up at 4 locations ...
Microclimate observations associated with snowmelt experiment gradient sites, East River, Colorado, 2017 to 2020
The timing of snowmelt in mountain systems is a main driver of vegetation phenology and production, as well as recharge of soil moisture and ground wa...
Data From: "Warming and snow loss increase reliance on old groundwater in a Colorado River headwater"
This repository contains the data and code associated with the paper titled "Warming and snow loss increase reliance on old groundwater in a Colorado ...
Quality Assurance and Quality Control (QA/QC) of Meteorological Time Series Data for Billy Barr, East River, Colorado USA
A comprehensive Quality Assurance (QA) and Quality Control (QC) statistical framework consists of three major phases: Phase 1—Preliminary raw data set...
River and hyporheic zone water geochemical data from OsmoSamplers, East River Pumphouse, Colorado, Nov 2017-Sept 2018
This data package contains geochemical and river water temperature data from OsmoSamplers deployed at East River, Colorado pump house. There are thr...
Meteorological and hydrological parameters for 17 locations of meteorological stations of the East River Watershed
The Data Package includes a set of csv files of input meteorological parameters for locations of 17 meteorological stations within the East River wate...
Additional file 2 of Virus diversity and activity is driven by snowmelt and host dynamics in a high-altitude watershed soil ecosystem
Additional file 2: Supplementary Table 1. Description of the 46 IMG metagenomes and 43 metatranscriptomes (related to Fig. 1A). Supplementary Table 2....
Snow Depth Datasets for Snodgrass Catchment, Colorado, Water Year 2022-2023
This data package presents snow depths data from distributed temperature probes at 18 locations near Snodgrass catchment, Colorado. These data show th...
Mineralogy of floodplain sediments from Meanders C, O, and Z in the East River Watershed, CO, USA
This dataset includes bulk X-ray diffraction data from floodplain sediments collected as a part of the Watershed Function Scientific Focus Area (SFA) ...
Constraining Bedrock Groundwater Residence Times in a Mountain System with Environmental Tracer Observations and Bayesian Uncertainty Quantification: Modeling and Data Package
Groundwater residence times provide fundamental descriptions of hydrologic dynamics and mixing processes in mountainous watersheds. Yet, few observati...
Model Scripts for "Old-Aged Groundwater Contributes to Mountain Hillslope Hydrologic Dynamics"
The partitioning of water inputs between deep and shallow groundwater flow paths is a fundamental processes, yet is challenging to observe. Numerical ...
Bedrock weathering rates, reactive nitrogen influxes and effluxes, and nitrous oxide emissions rates from the Pumphouse Hillslope, East River Watershed, Colorado.
Atmospheric nitrous oxide contributes directly to global warming, yet models of the nitrogen cycle do not account for bedrock, the largest pool of ...
Environmental tracer data from surface water and groundwater samples collected in Redwell Basin near Crested Butte, Colorado, 2017-2019
This dataset contains environmental tracer data from surface water and groundwater samples collected by the U.S. Geological Survey in Redwell Basin, a...
Stable isotopes of carbon dioxide (CO2), dissolved inorganic carbon (DIC), water and concentrations of greenhouse gases in a mountainous watershed (Crested Butte, Colorado).
Temperature and precipitation variability in response to climate change affects water cycling of watersheds and can potentially impact water quality, ...
Identifying geochemical hot moments and their controls on a contaminated river floodplain system using wavelet and entropy approaches, Environmental modelling & software: Dataset
We used entropy and wavelet techniques to identify temporal variability in geochemical constituents and their controls along three transects within a ...
East River Watershed Stable Water Isotope Data in Precipitation, Snowpack and Snowmelt 2016-2020
Stable water isotopes (d18O, d2H and d-excess) are important tracers in hydrologic research to understand water partitioning between vegetation, groun...
Data for "Depth of nutrient uptake by deep-rooted plants is regulated by water availability"
The data set consists of strontium (Sr) isotope ratios (87Sr/86Sr), water isotopes, soil cation concentrations, soil water potential sensor data, and ...
QA/QC of the East River, Colorado, discharge and geochemical time series datasets (Almont, BCC, and Pump House) to be used for modeling of hydrogeochemical balance.
The following datasets were QA/QC-ed (Quality Assurance/Quality Control): 1. Brush Creek Confluence (BCC) discharge data (from Helen Malenda, USGS, Co...
Data from the assessment of sediment-retention ponds near Delta, Colorado, 2019
In 2019, soil samples were collected at selected sediment-retention ponds in the Gunnison Gorge National Conservation Area, near Delta, Colorado. This...
1 m Resolution Multiscale Height-above-stream Wetness Index for the Upper Gunnison Domain
<p>This map is a soil moisture proxy derived from analysis of the UG 1m hydrologically corrected digital elevation model. The intuition behind this ma...
A field-validated ensemble species distribution model of Eriogonum pelinophilum, an endangered subshrub in Colorado, USA
Understanding the suitable habitat of endangered species is crucial for agencies such as the Bureau of Land Management to plan management and conserva...
Time-lapse imagery in 2017 and 2018 at the Lower Montane site in the East River Watershed, Colorado
Time-lapse imagery was collected using an automated RGB camera mounted on a pole at the base of the northeast-facing hillslope at the Lower Montane si...
Stream bed topography in 2016 at the Lower Montane site in the East River Watershed, Colorado
This dataset contains stream bed topography data from the Lower Montane site in the East River Watershed, Colorado. It is intended to support hydro-bi...
Metagenome-assembled genomes from Slate River floodplain sediments near Crested Butte, CO, USA (June to October 2020)
Microorganisms play a key role in cycling nutrients and contaminants in the terrestrial environment depending on their genetic potential. Here we pres...
Strontium isotopic data from the Mount Emmons-Redwell area, Crested Butte, Colorado
This U.S. Geological Survey (USGS) data release contains strontium isotopic data from water and rock samples collected between 2000 and 2019 from the ...
Genome-resolved metagenomics and metatranscriptomics of microbial communities in three meander-bound floodplain soils along the East River, Colorado.
This dataset comprises paired environmental and genomic data for soil samples collected across meander-bound floodplains G (ERMG), L (ERML) and Z (ERM...
Sapflow and xylem water isotopes from Snodgrass Mountain, East River Watershed, Colorado USA.
This dataset includes sapflux and stable water isotopes of soil water and xylem water for aspen, fir and spruce trees along the Snodgrass Mountain tra...
Natural abundance nitrate isotopes from Rifle and the East River Watershed, Colorado
This data package provides data on the natural abundance isotopes of nitrate from various sources, including porewater, stream, and precipitation. The...
Natural abundance nitrate isotopes from Rifle and the East River Watershed, Colorado
This data package provides data on the natural abundance isotopes of nitrate from various sources, including porewater, stream, and precipitation. The...
Stream carbon dioxide in the East River watershed, Crested Butte, CO, USA
Saccardi and Winnick Data contains the East River sample data including chemistry and corrected pCO2 data (n=162) with the included column denoting wh...
Cement Creek Cave specimen stable isotope (CEMENT) Faunal Isotope Database (Neotoma)
Cement Creek Cave specimen stable isotope (CEMENT) Faunal Isotope Database (Neotoma)
Stream carbon dioxide in the East River watershed, Crested Butte, CO, USA
Saccardi and Winnick Data contains the East River sample data including chemistry and corrected pCO2 data (n=162) with the included column denoting wh...