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Failu krātuve :: MT3D-USGS/


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Icon  Name                                  Last modified      Size  Description
[PARENTDIR] Parent Directory - [TXT] about.txt 2017-10-25 01:31 1.9K Text, ASCII format [TXT] adrese.txt 2017-10-25 01:31 38 Addresses, URL [   ] mt3d-usgs_1.0.zip 2017-10-25 01:34 11M Compressed archive [TXT] Readme.txt 2017-10-25 01:32 9.7K Text, ASCII format [TXT] Release.txt 2017-10-25 01:32 876 Text, ASCII format [TXT] Summary_MT3D-USGS.txt 2017-10-25 01:32 5.1K Text, ASCII format [   ] tm06a53.pdf 2017-10-25 01:33 5.0M Digital document (Acrobat)
MT3D-USGS: Groundwater Solute Transport Simulator for MODFLOW

MT3D-USGS is a USGS updated release of the groundwater solute transport code MT3DMS. MT3D-USGS includes new transport modeling capabilities to accommodate flow terms calculated by MODFLOW packages that were previously unsupported by MT3DMS and to provide greater flexibility in the simulation of solute transport and reactive solute transport.

MT3D-USGS capabilities and features include:

	unsaturated-zone transport;

	transport within streams and lakes, including solute exchange with 
	connected groundwater;

	capability to route solute through dry cells that may occur in the 
	Newton-Raphson formulation of MODFLOW (that is, MODFLOW-NWT);

	new chemical reaction package options that include the ability to 
	simulate interspecies reactions and parent-daughter chain 
	reactions;

	new pump-and-treat recirculation package that enables the 
	simulation of dynamic recirculation with or without treatment for 
	combinations of wells that are represented in the flow model, 
	mimicking the above-ground treatment of extracted water;

	reformulation of the treatment of transient mass storage that 
	improves conservation of mass and yields solutions for better 
	agreement with analytical benchmarks;

	separate specification of the partitioning coefficient (Kd) within 
	mobile and immobile domains;

	capability to assign prescribed concentrations to the top-most 
	active layer;

	change in mass storage owing to the change in water volume now 
	appears as its own budget item in the global mass balance summary;

	ability to ignore cross-dispersion terms;

	definition of Hydrocarbon Spill-Source Package (HSS) mass loading 
	zones using regular and irregular polygons, in addition to the 
	currently supported circular zones; and

	ability to specify an absolute minimum thickness rather than the 
	default percent minimum thickness in dry-cell circumstances.

Lapas adrese: priede.bf.lu.lv/ftp/pub/TIS/datu_analiize/WaterFlow/MT3D-USGS

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