Information regarding solute and water transport as affected by soil properties, topography, and climatic conditions is required to improve and validate transport models. This study evaluated the dissipation of bromide applied to the soil surface in the fall and spring to undisturbed (eroded) and rehabilitated landforms, in which topsoil was moved from depositional areas to the eroded upper slo...

We investigated the role of increasingly well-constrained geologic structures in the subsurface (i.e., subsurface architecture) in predicting streambed flux and hyporheic residence time distribution (RTD) for a headwater stream. Five subsurface realizations with increasingly resolved lithological boundaries were simulated in which model geometries were based on increasing information about flow...

BACKGROUND Patients on peritoneal dialysis (PD) with high small solute peritoneal membrane transport have an increased risk of morbidity and mortality. The membrane transport is currently assessed by peritoneal equilibration test (PET), usually performed after the first month of PD because of the early increase of membrane transport after the start of PD. The aim of this study was the assessmen...

Estimating pesticide leaching risks at the regional scale requires the ability to completely parameterise a pesticide fate model using only survey data, such as soil and land-use maps. Such parameterisations usually rely on a set of lookup tables and (pedo)transfer functions, relating elementary soil and site properties to model parameters. The aim of this paper is to describe and test a comple...

INTRODUCTION: Solute transport within the intervertebral disc is critical for the disc functions. Small molecular-weight solutes, such as glucose, lactate and oxygen, are the components of the nutrient supply and the metabolic waste removal. Molecular weight of enzymes and chemical drugs for the disc therapy are usually within the order of thousands of Dalton. Larger solutes such as cytokines (...

This paper describes development and testing of the components of a distributed eco-hydrological modelling framework CLASS (Catchment Scale Multiple-Landuse Atmosphere Soil Water and Solute Transport Model). The CLASS modelling framework, its components and their algorithms are described in a detailed technical report (Tuteja et al., 2004; available for download from Catchment Modelling Toolkit...

Abstract. We present a method to simulate fluid flow with reactive solute transport in structured, partially saturated soils using Lagrangian perspective. In this context, we extend the scope of Soil Water and Solute Transport Model (LAST) (Sternagel et al., 2019) by implementing vertically variable, non-linear sorption first-order degradation processes during substances through soil matrix mac...

Predicting the mobility of heavy metals in soils requires models that accurately describe metal adsorption in the presence of competing cations. They should also be easily adjustable to specific soil materials and applicable in reactive transport codes. In this study, Cd adsorption to an acidic soil material was investigated over a wide concentration range (10(-8) to 10(-2) M CdCl2) in the pres...

Previous studies of hyporheic zone focused largely on the net mass transfer of solutes between stream and streambed. Solute transport processes within the bed has attracted less investigation. In this study, we combined flume experiments and numerical simulations to examine solute transport processes in a streambed with periodic bedforms. Solute originating from the stream was subjected to adve...