NDLI: Deuterium composition and flow path analysis as additional calibration targets to calibrate groundwater flow simulation in a coastal wetlands system

Content Provider	Springer Nature Link
Author	Reylds, D. A. Marimuthu, S.
Copyright Year	2006
Abstract	A conceptual model of the Lake Warden coastal wetlands system, Western Australia, was developed using hydraulic, chemical and stable isotopic data, and formed the basis for a groundwater flow model using the finite element numerical code (FEFLOW). The system to be modeled is complex. The surface water and groundwater within the wetlands system show varying salinity and isotopic composition over short distances and time frames. As a first step, the flow model was calibrated to observed groundwater levels measured since 2001 for both steady state and transient stresses. Particle tracking analysis was conducted to test the source areas of water discharging to the lakes within the wetlands system. The analysis was able to delineate the connectivity between the lakes in the wetland and the flow path. Enrichment of isotopic concentration is evident along a NE–SW transect and the data set provides a means for calibrating a detailed transport model. The study incorporates the varying deuterium composition of the water bodies directly into a transport model and a good match between observed and simulated temporal variations along the transect indicates that the model closely simulated the dynamics of water exchange between the lakes and groundwater within the system.Un modèle conceptuel du système Lac Warden, marécage côtier situé dans l’Ouest de l’Australie, a été réalisé à partir de données hydrauliques et chimiques dont les isotopes stables. Il a été utilisé comme base pour un modèle d’écoulement souterrain, réalisé avec un code numérique aux éléments finis (FEFLOW). Le système à modéliser est complexe. Dans le marécage, la salinité et la composition isotopique de l’eau de surface et de l’eau souterraine varient sur des distances et des pas de temps courts. Le modèle hydrogéologique a tout d’abord été calibré en régimes permanent et transitoire à partir des niveaux piézomètriques mesurés depuis 2001. Un suivi de trajectoire de particules, réalisé pour vérifier les zones de décharge des eaux souterraines dans les lacs du système marécageux, a permis d’identifier les connexions entre les lacs et de tracer les trajectoires d’écoulement. Une augmentation de la concentration isotopique le long d’une coupe transversale NE–SW est évidente et les données constituent un support pour la calibration d’un modèle de transport détaillé. La variation de la composition en deutérium dans les hydrosystèmes est prise en compte dans l’étude et directement intégrée dans le modèle de transport. Une bonne adéquation entre les variations temporelles simulées et observées le long de la coupe transversale indique que la dynamique des échanges d’eau entre les lacs et l’eau souterraine dans ce système a été assez bien simulée par le modèle.Se ha desarrollado un modelo conceptual del sistema de humedales costero del Lago Warden en el Occidente de Australia usando datos hidráulicos, químicos, y de isótopos estables el cual sirvió de base para un modelo de flujo de agua subterránea que usa el código numérico de elemento finito (FEFLOW). El sistema para el cual se elabora el modelo es complejo. El agua subterránea y superficial dentro del sistema de humedales muestra salinidad y composición isotópica variable en distancias y marcos de tiempo cortos. Como primer paso se calibró el modelo de flujo con niveles de agua subterránea medidos desde el año 2001 para regimenes permanentes y transitorios. Se llevó a cabo un análisis de búsqueda de partículas para evaluar las áreas fuente del agua que descarga a los lagos dentro del sistema de humedales. El análisis permitió delimitar la conectividad entre los lagos en el humedal y la trayectoria de flujo. El enriquecimiento de la concentración isotópica es evidente a lo largo de un levantamiento NE–SW y el grupo de datos aporta medios para calibrar un modelo detallado de transporte. El estudio incorpora la variación en composición de deuterio de los cuerpos de agua directamente en un modelo de transporte y una buena consistencia entre variaciones temporales, simuladas y observadas, a lo largo del levantamiento indican que el modelo simuló bastante bien la dinámica de intercambio de agua entre los lagos y el agua subterránea dentro del sistema.
Starting Page	515
Ending Page	535
Page Count	21
File Format	PDF
ISSN	14312174
Journal	Hydrogeology Journal
Volume Number	15
Issue Number	3
e-ISSN	14350157
Language	English
Publisher	Springer-Verlag
Publisher Date	2006-11-14
Publisher Institution	International Association of Hydrogeologists
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Conceptual model Groundwater flow Coastal wetlands system FEFLOW Deuterium composition Waste Water Technology Water Pollution Control Water Management Aquatic Pollution Geology Hydrogeology
Content Type	Text
Resource Type	Article
Subject	Earth and Planetary Sciences Water Science and Technology

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

A hydrogeological conceptual approach to study urban groundwater flow in Bucharest city, Romania

Relating groundwater to seasonal wetlands in southeastern Wisconsin, USA

Alternative conceptual models and the robustness of groundwater management scenarios in the multi-aquifer system of the Central Veneto Basin, Italy

Hydrodynamic modeling for groundwater assessment in Sana’a Basin, Yemen

Heat transport in a coastal groundwater flow system near De Panne, Belgium

Use of alternative conceptual models to assess the impact of a buried valley on groundwater vulnerability

Groundwater pumping by heterogeneous users

Changes to the groundwater system, from 1888 to present, in a highly-urbanized coastal area in Hong Kong, China

Compartmented flow at the Bátaapáti site in Hungary

Deuterium composition and flow path analysis as additional calibration targets to calibrate groundwater flow simulation in a coastal wetlands system

Similar Documents

A hydrogeological conceptual approach to study urban groundwater flow in Bucharest city, Romania

Relating groundwater to seasonal wetlands in southeastern Wisconsin, USA

Alternative conceptual models and the robustness of groundwater management scenarios in the multi-aquifer system of the Central Veneto Basin, Italy

Hydrodynamic modeling for groundwater assessment in Sana’a Basin, Yemen

Heat transport in a coastal groundwater flow system near De Panne, Belgium

Use of alternative conceptual models to assess the impact of a buried valley on groundwater vulnerability

Groundwater pumping by heterogeneous users

Changes to the groundwater system, from 1888 to present, in a highly-urbanized coastal area in Hong Kong, China

Compartmented flow at the Bátaapáti site in Hungary

Deuterium composition and flow path analysis as additional calibration targets to calibrate groundwater flow simulation in a coastal wetlands system