PMID: 12236551Sep 19, 2002

Transverse vertical dispersion in groundwater and the capillary fringe

Journal of Contaminant Hydrology
I D Klenk, Peter Grathwohl


Transverse dispersion is the most relevant process in mass transfer of contaminants across the capillary fringe (both directions), dilution of contaminants, and mixing of electron acceptors and electron donors in biodegrading groundwater plumes. This paper gives an overview on literature values of transverse vertical dispersivities alpha(tv) measured at different flow velocities and compares them to results from well-controlled laboratory-tank experiments on mass transfer of trichloroethene (TCE) across the capillary fringe. The measured values of transverse vertical dispersion in the capillary fringe region were larger than in fully saturated media, which is credited to enhanced tortuosity of the flow paths due to entrapped air within the capillary fringe. In all cases, the values observed for alpha(tv) were < 1 mm. The new measurements and the literature values indicate that alpha(tv) apparently declines with increasing flow velocity. The latter is attributed to incomplete diffusive mixing at the pore scale (pore throats). A simple conceptual model, based on the mean square displacement and the pore size accounting for only partial diffusive mixing at increasing flow velocities, shows very good agreement with measured and pub...Continue Reading


Apr 10, 2003·Journal of Contaminant Hydrology·Christina Eberhardt, Peter Grathwohl
Oct 31, 2013·Environmental Engineering Science·Rui ShenEric M Suuberg
Dec 3, 2014·Journal of Contaminant Hydrology·Donato CitarellaAndrea Zanini
Dec 18, 2007·Journal of Contaminant Hydrology·Robert D BauerChristian Griebler
Jun 15, 2007·Journal of Contaminant Hydrology·P A S HamPeter Grathwohl
May 2, 2007·Ground Water·Marco MassabòOmbretta Paladino
Mar 25, 2006·Ground Water·Olaf A CirpkaPeter Grathwohl
Mar 7, 2012·Environmental Toxicology and Chemistry·Sara PiconeHuub Rijnaarts
Sep 8, 2011·Ground Water·Amanda MarruffoCharles J Werth
Feb 15, 2013·Ground Water·Christina M HabererPeter Grathwohl
Nov 28, 2015·The Science of the Total Environment·Kerstin E ScherrManfred Nahold
Feb 28, 2006·Journal of Contaminant Hydrology·U Maier, Peter Grathwohl
Aug 24, 2005·Journal of Contaminant Hydrology·Md Arifur RahmanOlaf A Cirpka
Jul 12, 2005·Journal of Contaminant Hydrology·Olaf A Cirpka
Dec 18, 2013·Ground Water·Christina M HabererPeter Grathwohl
Jun 18, 2016·Ground Water·Grant R CareyStan Feenstra
Aug 17, 2005·Journal of Contaminant Hydrology·Mette ChristophersenPeter Kjeldsen
Nov 10, 2009·Journal of Contaminant Hydrology·Massimo RollePeter Grathwohl
Dec 24, 2011·Journal of Contaminant Hydrology·Alexandre BontonRené Therrien
Nov 2, 2018·Ground Water·Alraune ZechGedeon Dagan
Jun 24, 2008·Journal of Environmental Science and Health. Part A, Toxic/hazardous Substances & Environmental Engineering·Svenja T LohnerAndreas Tiehm

Related Concepts

Water Movements
Landfill Leachate
Water Supply
Water Treatment

Trending Feeds


Coronaviruses encompass a large family of viruses that cause the common cold as well as more serious diseases, such as the ongoing outbreak of coronavirus disease 2019 (COVID-19; formally known as 2019-nCoV). Coronaviruses can spread from animals to humans; symptoms include fever, cough, shortness of breath, and breathing difficulties; in more severe cases, infection can lead to death. This feed covers recent research on COVID-19.

Systemic Juvenile Idiopathic Arthritis

Systemic juvenile idiopathic arthritis is a rare rheumatic disease that affects children. Symptoms include joint pain, as well as fevers and skin rashes. Here is the latest research on this disease.

Chronic Fatigue Syndrome

Chronic fatigue syndrome is a disease characterized by unexplained disabling fatigue; the pathology of which is incompletely understood. Discover the latest research on chronic fatigue syndrome here.

Cell Atlas Along the Gut-Brain Axis

Profiling cells along the gut-brain axis at the single cell level will provide unique information for each cell type, a three-dimensional map of how cell types work together to form tissues, and insights into how changes in the map underlie health and disease of the GI system and its crosstalk with the brain. Disocver the latest research on single cell analysis of the gut-brain axis here.

Myocardial Stunning

Myocardial stunning is a mechanical dysfunction that persists after reperfusion of previously ischemic tissue in the absence of irreversible damage including myocardial necrosis. Here is the latest research.

Pontocerebellar Hypoplasia

Pontocerebellar hypoplasias are a group of neurodegenerative autosomal recessive disorders with prenatal onset, atrophy or hypoplasia of the cerebellum, hypoplasia of the ventral pons, microcephaly, variable neocortical atrophy and severe mental and motor impairments. Here is the latest research on pontocerebellar hypoplasia.

Central Pontine Myelinolysis

Central Pontine Myelinolysis is a neurologic disorder caused most frequently by rapid correction of hyponatremia and is characterized by demyelination that affects the central portion of the base of the pons. Here is the latest research on this disease.


Trichotillomania is an impulse control disorder characterized by the recurrent pulling of one's hair resulting in noticeable hair loss. Here are the latest discoveries in this field.

DDX3X Syndrome

DDX3X syndrome is caused by a spontaneous mutation at conception that primarily affects females due to its location on the X-chromosome. DDX3X syndrome has been linked to intellectual disabilities, seizures, autism, low muscle tone, brain abnormalities, and slower physical developments. Here is the latest research.