Developed by:

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WCMS For ArcMap
Developed by
John B. Churchill Michael P. Strager Jerald J.
Fletcher
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Overview of Presentation

• History of WCMS
• Requirements
• Goals of System
• Major Components
• Study Area Def.
• Basic Tools (Improvements)
• Watershed Tools
• Ranking Model
• Water Quality Modeling

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History of WCMS

• Originally done in ArcInfo with AML
• Made into a project file in ArcView 3.x
• Many tools were implemented in the CHIA
  extension for ArcView 3.x
• Currently implemented as an extension for ArcMap
  (ArcGIS 8.3).

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Goals of System

• Access and view data by bringing it to the
  desktop with ArcMap.
• Customized interface for ease of use.
• Answer common questions related to water
  quality modeling and stream flow for use in CHIA
  analysis.
• Assist efforts to implement Hydrologic
  Simulation Program Fortran (HSPF) modeling.

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Requirements

• ArcGIS (the extension runs in ArcMap) and
  Spatial Analyst.
• PC-Intel platform and Windows NT 4.0 with
  Service Pack 6a (or) Windows 2000 (or) Windows XP
  (Home Edition and Professional).
• 128 MB Ram and 450 MHz processor (recommended
  at least 256 MB Ram and 650 MHz or higher
  processor).
• Basic ArcMap Skills.
• Data that is specific to WCMS.

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Major Components
1. Define study area from a list or display.
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Major Components
2. Various Customizations / Tools
a. Tabulate Landcover
b. Get Coordinates of Point Clicked
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Major Components

• Watershed Tools
• (Overland Flow)

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Major Components

• Watershed Tools
• (Watershed Delineation)

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Major Components

• Watershed Tools
• (Stream Distance)

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WVGIS, 2004
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Major Components
4. Ranking Model (Multiple Criteria)
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Major Components
5. Water quality modeling

• A landscape based advection dispersion water
  quality model that models in-stream and
  off-stream data points.

• Ability to estimate concentrations and loadings
  from pollutants and event mean concentrations

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Major Components

• Water quality modeling
• (Potentially Affected Streams Results)

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Major Components

• Water quality modeling
• (Expected Mean Concentration Results)

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Major Components

• Water quality modeling
• (Fate Transport Method Results)

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Future Direction

• Work is ongoing to create tools for use with the
  Hydrologic Simulation Program Fortran (HSPF)
  model.
• 124,000 scale Segment Level Watersheds and
  NHD will provide higher resolution data for
  better analysis.

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Conclusions

• WCMS can make CHIA analysis easier by using a
  customized interface with advanced watershed and
  water quality tools.
• Newer Tools being developed for HSPF modeling
  will provide a powerful tool for CHIA.
• Being an extension makes it possible to use it
  outside of West Virginia with the appropriate
  data sets.

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