Quick Search:    advanced search

GSW Home   GeoRef Home   My GSW Alerts   Contact GSW   About GSW   Journals List   Help

This Article Free via Open Access: OA OA Abstract OA Full Text Full Text (PDF) Alert me when this article is cited Alert me if a correction is posted Services Email this article to a friend Similar articles in this journal Alert me to new issues of the journal Download to citation manager Citing Articles Citing Articles via Google Scholar Google Scholar Articles by Dai, Z. Articles by Ritzi, R. Search for Related Content GeoRef GeoRef Citation

Identifying geochemical processes by inverse modeling of multicomponent reactive transport in the Aquia aquifer

¹ Earth and Environmental Sciences Division, Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA
² Escuela Técnica Superior de Ingenieros de Caminos, Canales y Puertos, Universidad de La Coruña, La Coruña 15192, Spain
³ Department of Geological Sciences, Wright State University, Dayton, Ohio 45435, USA

View larger version (24K): [in this window] [in a new window]   Figure 1. Outline of the Aquia aquifer in Maryland showing the estimated prepumping head distribution and flow path (adapted from Chapelle and Knobel, 1983; Appelo, 1994).

View larger version (25K): [in this window] [in a new window]   Figure 2. Schematic cross section of the Aquia aquifer. Recharge occurs at the outcrop, while discharge takes place evenly in the downstream part of the aquifer (adapted from Appelo, 1994).

View larger version (24K): [in this window] [in a new window]   Figure 3. Measured (symbols) and computed concentrations (lines) of Na+, K+, Ca2+, Mg2+, HCO3–, and pH of the Aquia aquifer obtained in step 7 of the inverse problem of Aquia.

View larger version (14K): [in this window] [in a new window]   Figure 4. Measured concentrations (symbols) of exchanged Na reported and computed results (lines) for the Aquia aquifer.

View larger version (11K): [in this window] [in a new window]   Figure 5. Cumulative calcite dissolution (negative values) or precipitation (positive values) in the Aquia aquifer at different times.