Concepts

Spatial variations in oxidation-reduction conditions within floodplain environments that can form within microsites, along textural transitions, or along the capillary fringe

The amount of water stored in soil and subsurface compartments that responds dynamically to hydrological inputs and outputs

The study of the complete set of RNA transcripts produced by the genome under specific circumstances

The association of uranium with different solid-phase mineral forms that influences uranium mobility between solid and water phases

Formation of coordination complexes between Fe(II) ions and natural organic matter ligands

Mathematical equation describing water flow in partially saturated soils by relating volumetric soil water content to constitutive relations

The downward movement of water from surface water to groundwater, occurring through infiltration and percolation processes and declining under warming due to increased evapotranspiration

Rate laws governing the chemical breakdown of primary minerals as functions of temperature, pH, and saturation state

Vertical distribution of plant nutrient uptake from soil surface through saprolite to bedrock

Zone of active mineral dissolution and precipitation reactions that advances through bedrock over time

Statistical approach using prior distributions and likelihood functions to make probabilistic inferences about model parameters

Fourier-transform ion cyclotron resonance mass spectrometry for ultrahigh-resolution molecular characterization

The proportionality relationship between partial pressure of a gas in air and its aqueous concentration used to measure dissolved CO2

A collaborative research infrastructure where multiple institutions conduct coordinated measurements and experiments

The process of combining data from different sources to provide a unified view

High spatial resolution climate modeling at sub-kilometer scales for hydrological applications

Different trajectory of C-Q relationships during rising and falling limbs of hydrographs that indicate differences in timing of hydrological response from surface and subsurface compartments

Measurements spanning multiple spatial and temporal scales within a watershed