introduction to wasp7 eutrophication module overview of variables and processes implemented in wasp7...
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![Page 1: Introduction to WASP7 Eutrophication Module Overview of Variables and Processes Implemented in WASP7 Eutrophication Module](https://reader036.vdocuments.site/reader036/viewer/2022082411/5697bfee1a28abf838cb9970/html5/thumbnails/1.jpg)
Introduction to WASP7 Introduction to WASP7 Eutrophication ModuleEutrophication Module
Overview of Variables and Overview of Variables and Processes Implemented in Processes Implemented in
WASP7 Eutrophication ModuleWASP7 Eutrophication Module
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Watershed & Water Quality Modeling Technical Support CenterWatershed & Water Quality Modeling Technical Support Center
Good Reference MaterialsGood Reference Materials
• Rates, Constants, and KineticsRates, Constants, and Kinetics– http://www.epa.gov/ORD/WebPubs/surfaceH2O/surfac
e.html
• Steve ChapraSteve Chapra– Surface Water Quality Modeling
• James MartinJames Martin– Hydrodynamics and Transport for Water Quality
Modeling
• Thomann and MuellerThomann and Mueller– Principles of Surface Water: Quality Modeling
and Control
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Watershed & Water Quality Modeling Technical Support CenterWatershed & Water Quality Modeling Technical Support Center
WASP7 State VariablesWASP7 State Variables
• AmmoniaAmmonia• NitrateNitrate
• OrthophosphateOrthophosphate
• Dissolved OxygenDissolved Oxygen
• SalinitySalinity
• PhytoplanktonPhytoplankton• PeriphytonPeriphyton
• Particulate DetritusParticulate Detritus– Carbon– Nitrogen– Phosphorus
• Dissolved Organic MatterDissolved Organic Matter– CBOD (1)– CBOD (2)– CBOD (3)– DON– DOP
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Watershed & Water Quality Modeling Technical Support CenterWatershed & Water Quality Modeling Technical Support Center
Eutrophication DiagramEutrophication Diagram
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Watershed & Water Quality Modeling Technical Support CenterWatershed & Water Quality Modeling Technical Support Center
Processes ConsideredProcesses Considered
• Phytoplankton KineticsPhytoplankton Kinetics
• Periphyton KineticsPeriphyton Kinetics
• Phosphorus CyclingPhosphorus Cycling
• Nitrogen CyclingNitrogen Cycling
• Dissolved Oxygen BalanceDissolved Oxygen Balance
• Sediment DiagenesisSediment Diagenesis
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Watershed & Water Quality Modeling Technical Support CenterWatershed & Water Quality Modeling Technical Support Center
Name 1 2 3 4 5 6
Ammonia x x x x xNitrate x x x xInorganic Phosphorus x x xPhytoplankton Carbon x x xPeriphyton Carbon xCarbonaceous BOD x x x x x xDissolved Oxygen x x x x x xOrganic Nitrogen x x x xOrganic Phosphorus x x xSediment Diagenesis x x
Level of Complexity
Level Description
1 Streeter-Phelps DO/BOD and Descriptive SOD
2 Modified Streeter-Phelps with NBOD
3 Linear DO Balance with Nitrification
4 Simple Eutrophication with Descriptive SOD
5 Intermediate Eutrophication with Sediment Diagenesis
6 Advanced Eutrophication with Sediment Diagenesis and Periphyton
Levels of Complexity in Implementing Levels of Complexity in Implementing WASP7 Eutrophication ModelWASP7 Eutrophication Model