Develop Documentation/Prepare Remedial Action Concept Plan for Building 24 Contamination Plume at Picatinny Arsenal Appendices

Develop Documentation/Prepare Remedial Action Concept Plan for Building 24 Contamination Plume at Picatinny Arsenal Appendices

The NODFLOW model calculates the head in the node with a pumping well. This head is not the actual head in the well, however. The head losses caused by ground water flowing to a small diameter withdrawal point are not accounted for. It is typically necessary to predict drawdown in the well as well a...

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Bibliographische Detailangaben
1. Verfasser: ENGINEERING TECHNOLOGIES ASSOCIATES INC ELLICOTT CITY MD
Format: Report
Sprache:eng
Schlagworte:
ALPHANUMERIC DATA
ANISOTROPY
APPENDICES
AQUIFERS
Computer Programming and Software
COMPUTER PROGRAMS
COMPUTERIZED SIMULATION
CONVERGENCE
DRAWDOWN
EFFICIENCY
Electricity and Magnetism
FLOW CONVERGENCE
GROUND WATER
HYDRAULIC CONDUCTIVITY
INPUT
LOSSES
MILITARY FACILITIES
NODES
ORDNANCE
PUMPING
PUMPING WELLS
RATIOS
TRANSMISSIVITY
WATER FLOW
Water Pollution and Control
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Zusammenfassung:The NODFLOW model calculates the head in the node with a pumping well. This head is not the actual head in the well, however. The head losses caused by ground water flowing to a small diameter withdrawal point are not accounted for. It is typically necessary to predict drawdown in the well as well as drawdown in the aquifer. For this reason, several new routines were written for the MODFLOW model. These routines allow the user to calculate drawdowns in the wells. These drawdowns include the effects of flow convergence and well efficiency. It is also possible to create a file of time versus drawdown at a well and have the output show an alphanumeric well name. Prepared in cooperation with Peer Consultants, Inc., Rockville, MD.