Groundwater Age and Residence Time in Mountain Watersheds
Combines isotopic tracer sampling, particle tracking models, and Bayesian inference to characterize how long water resides in subsurface flow paths across montane hillslopes.
Knowledge Graph (139 nodes, 1200 connections)
Concept (15) →
streamflow
counterflow
groundwater residence time distributions
Distributions that provide fundamental insights on hydrological processes within watersheds by describing how long water spends underground
mountain-block recharge
baseflow age distributions
environmental tracer concentrations
tritium concentration
noble gas recharge temperature
chronological age
logistic growth
Mathematical model describing sigmoidal population growth with carrying capacity constraints
Show 5 more concepts
matrix diffusion
Process controlling environmental tracer and groundwater age distributions in fractured rock systems through diffusive exchange between fractures and ...
flux-weighted age distributions
noble gas recharge parameters
Parameters including recharge temperature, elevation, and excess-air conditions that control dissolved noble gas concentrations in groundwater
piston-flow model
excess-air conditions
Protocol (4) →
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...
Coupled ParFlow-CLM EcoSLIM groundwater age modeling with matrix diffusion
Coupled integrated hydrologic and particle tracking modeling approach that simulates groundwater flow using ParFlow-CLM and age distributions using Ec...
Bayesian MCMC groundwater residence time inference
Bayesian framework using Markov-chain Monte Carlo to infer groundwater residence time distributions from environmental tracer observations while quant...
Dissolved noble gas groundwater sampling
Collection of dissolved noble gases from groundwater wells using copper tubes with down-hole pumps and back-pressure valves to prevent degassing durin...
Dataset (4) →
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...
High Resolution Current and Future Climate SnowModel Simulations in the Upper Colorado River Basin
This data release contains SnowModel snow evolution simulation output on a 100-meter (m) geospatial grid for a 311 kilometer (km) � 300 km model domai...
Basin Characteristic Layers for the Upper Colorado & Gunnison Rivers Pilot Project for StreamStats 2020
The U.S. Geological Survey (USGS) calculated multiple basin characteristics as part of preparing the Upper Colorado & Gunnison Rivers Pilot Stream...
Contiguous U.S. annual snow persistence and trends from 2001-2020
Snow persistence (SP) or the snow cover index (SCI), is the fraction of time that snow is present on the ground for a defined period. Cloud covered in...