Home Expertise News Software Projects Publications About Contact Careers The Columbia Basin Groundwater Management Area SSP&A is assisting a grass-roots organization in developing water resource tools to support assessment of water management alternatives within the 8,000 square mile Columbia River Basalt Group aquifer. Image: Link: The Columbia Basin Groundwater Management Area Home Expertise News Software Projects Publications About Contact Careers Site Map © 2011-2021 S.S. Papadopulos & Associates, Inc., all rights reserved Web Design by Blue Water Media

Home Expertise News Software Projects Publications About Contact Careers ATRANS ATRANS A 3D analytical solution for transport from a patch boundary condition with time varying concentration. Chris Neville has developed exact three-dimensional analytical solutions for transport from a patch boundary condition in a semi-infinite aquifer. The solution considers the following transport processes: advection, dispersion, sorption, and first-order transformation reactions. The solution assumes the groundwater flow field is steady and uniform. The ATRANS package of solutions can represent four inflow concentration histories: Constant concentration; Exponentially decaying concentration; Arbitrary inflow concentration specified as a set of points; and Arbitrary inflow concentration specified as a set of steps. ATRANS for Microsoft Excel - Updated for MS Office 2010 Marinko Karanovic has developed an Excel version of ATRANS. All parameters are input within the spreadsheet and output in either graphical or tabular presentation for quick model runs. Both ATRANS packages include complete documentation, Fortran source codes, and executable codes that run within DOS boxes (Command Prompt). Download: Download Fortran Program (3MB) Download the Excel Program (4MB) Disclaimer: These programs are provided FREE of charge. The authors request only that application of the software and production of results using the code is accompanied by a suitable acknowledgment. The software is provided "AS IS", without warranty of any kind, including without limitation the warranties of merchantability, fitness for a particular purpose and non-infringement. The entire risk and responsibility as to the quality and performance of the Software is borne by the user. The author(s) disclaim all other warranties. Software mod-PATH3DU Decay OneD Open Excavation Flow Calculator GroundWater Desktop ATRANS MT3D PATH3D V4.6 MPNE1D BIOSCREEN-AT PEST KT3D_H2O SSM Source Screening Module Applied Contaminant Transport Training Home Expertise News Software Projects Publications About Contact Careers Site Map © 2011-2021 S.S. Papadopulos & Associates, Inc., all rights reserved Web Design by Blue Water Media