Compara mètodes

	Model de Loció Activada	Modelització de la contaminació de les aigües subterrànies
Camp	Enginyeria ambiental	Enginyeria ambiental
Família	Process / pipeline	Process / pipeline
Any d'origen	1976	1988
Autor original	Marais and Ekama	USGS and hydrogeology researchers
Tipus	mathematical simulation pipeline	numerical simulation pipeline
Font seminal	Henze, M., Grady, C. P. L., Gujer, W., Marais, G. V. R., & Matsuo, T. (1987). Activated Sludge Model No. 1. IAWQ, Scientific and Technical Report No. 1.	Fetter, C. W., Boving, T. B., & Kreamer, D. K. (2018). Contaminant Hydrogeology (3rd ed.). Waveland Press. ISBN: 978-1478625315
Àlies	ASM, conventional activated sludge, suspended growth treatment	groundwater transport, contaminant plume modeling, subsurface flow and transport, GWHC modeling
Relacionats	5	3
Resum	The Activated Sludge Model (ASM) is a standardized mathematical framework for simulating biological wastewater treatment processes, developed by the International Association on Water Quality (IAWQ) beginning in 1987. It represents the transport, transformation, and fate of organic matter and nutrients in suspended-growth treatment systems. ASM is widely used to design, optimize, and predict the performance of wastewater treatment plants under varying influent and operational conditions.	Groundwater contamination modeling is a quantitative approach to predict the migration of dissolved and suspended contaminants (chemical spills, landfill leachate, petroleum, radionuclides) through subsurface aquifers and toward receptors (drinking water wells, surface water bodies, ecosystems). Developed systematically in the 1980s–1990s by the USGS and hydrogeologists, these models couple flow equations (Darcy's law) with advection-dispersion transport and geochemical reactions to forecast contaminant arrival times and plume extent.