Search
Search Results
-
Tracer Test Method to Confirm Hydraulic Connectivity Between Goafs in a Coal Mine
Improving utilization of mine water in underground reservoirs requires determining the hydraulic connectivity between goafs. In this study, a new...
-
Multi-time scale control of Southern Ocean diapycnal mixing over Atlantic tracer budgets
Oceanic cross-density (diapycnal) mixing helps sustain the ocean density stratification and its Meridional Overturning Circulation (MOC) and is key...
-
A Long-Time-Step-Permitting Tracer Transport Model on the Regular Latitude–Longitude Grid
If an explicit time scheme is used in a numerical model, the size of the integration time step is typically limited by the spatial resolution. This...
-
Combining harmonic pum** with a tracer test for fractured aquifer characterization
Identifying the location, orientation and characteristics (e.g. aperture and density) of fractures in aquifers is crucial for the simulation of flow,...
-
Effects of macro-scale heterogeneity on the kinetic interface-sensitive tracer test for measuring the fluid–fluid interfacial area in dynamic two-phase flow in porous media
A novel reactive smart tracer method, termed the kinetic interface-sensitive (KIS) tracer test, has been demonstrated in laboratory column...
-
Flow and tracer transport in a single fracture at non-isothermal conditions
Assessing preferential flow that occurs through small fractures or permeable connected pathways of other kinds is important to many processes but is...
-
Experimental sandbox tracer tests to characterize a two-facies aquifer via an ensemble smoother
Estimating aquifer properties and their spatial variability is the most challenging part of groundwater flow and transport simulations. In this work,...
-
Quantifying stream-loss recovery in a spring using dual-tracer injections in the Snake Creek drainage, Great Basin National Park, Nevada, USA
Simultaneous short-pulse injections of two tracers (sodium bromide [Br – ] and fluorescein dye) were made in a losing reach of Snake Creek in Great...
-
Truncation effect on estimation of transport parameters for slug-injection tracer tests
For slug-injection tracer tests, tracer concentrations below the detection limit of the measurement instrument can cause truncation of the observed...
-
Tracer Diffusion in the Lower Boundary Layer
This chapter is concerned with the advection and dispersion of materials released in the atmospheric boundary layer. Historical interest in the...
-
Two-Phase Flow, Heat and Mass Transfer and Tracer Transport to the Atmosphere from Underground Nuclear Cavities Through Fractured Porous Media
Underground nuclear explosions generate non-isothermal two-phase flow, heat and mass transfer, and tracer transport through fractured porous media....
-
Combining Quantitative Analysis Tools (Cross-Correlation Analysis and Dye Tracer Tests) to Assess Response Times in Karst Aquifers. The Ubrique Karst System (Southern Spain)
In this work, a preliminary conceptual model of the hydrogeological functioning of a binary karst aquifer located in southern Spain is presented,...
-
Mass transport of a mesoscale eddy in the South China Sea identified by a simulated passive tracer
To quantitatively investigate the water mass transport of mesoscale eddies, the mass transport induced by a simulated anticyclonic eddy in the South...
-
-
Electrical Signatures of Diffusion-Limited Mixing: Insights from a Milli-fluidic Tracer Experiment
We investigate how diffusion-limited mixing of a layered solute concentration distribution within a porous medium impacts bulk electrical...
-
Inverse estimation of diffusivity coefficients from salinity distributions on isopycnal surfaces using Argo float array data
Distributions of diapycnal, isopycnal, and thickness diffusivity coefficients were estimated using long-term (2001–2015) mean salinity distributions...
-
Quantification of the temporal–spatial distributions characteristics of streambed hyporheic exchange fluxes with the seasonal variation using heat as a tracer
Groundwater–surface water interaction, particularly on exchange fluxes between streams and aquifers, plays a large role in the prerequisite...
-
Anthropogenic 129I in seawaters along the north-central part of the English Channel: Levels and tracer applications
The English Channel (the Channel) represents a major sink and transport pathway of anthropogenic radioactive 129 I. Despite this important role, data...
-
Stable isotopes of water as a tracer for revealing spatial and temporal characteristics of groundwater recharge surrounding Qinghai Lake, China
Studying spatial and temporal characteristics of regional groundwater recharge will guide the scientific management and sustainable development of...
-
Characterizing temporal behavior of a thermal tracer in porous media by time-lapse electrical resistivity measurements
Thermal tracer has been widely used as a substitute for salt tracers when investigating the subsurface, since NaCl may cause environmental pollution...
