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Mixing Zones (n):1. Mixing zones are
limited regions in rivers, lakes and coastal areas where the initial dilution (dispersion) of point-source wastewater discharges occur
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CORMIX Licensing
Technical Support
Mixing Zone Field
Studies
Consulting
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CTD Conductivity, Temperature,
Depth Used to find plumes
ADCP Acoustic Doppler Current Profiler Uses sonar to determine water
velocities DGPS
Differential Global Positioning System
Provides sub-meter location data
Source: rdinstruments
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Location ±15m from satellites
Differential GPS
Station broadcasts offset between
known coordinates and satellite coordinates.
Illustration: Nathan Hinkle
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Forward Looking InfraRed Uses infrared to measure spot
temperatures
Source: mixzon.com
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FLIR system on a telescoping mast
FLIR system on a tethered balloon
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Photos: mixzon.com
Internally developed software
Internally developed software
Commercial Processing Software
Commercial Processing Software
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RiverboatRiverboat
Sensors
Sensors
GPSGPS
WiFi BridgeWiFi
BridgeWiFi
Access Point
WiFi Access Point
Laptop
Laptop
Internally developed processin
g tools
Internally developed processin
g tools
Source: mixzon.com
Commercial
processing tools
Commercial
processing tools
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CTD = Conductivity, Temperature, Depth sensor
Used to find plumes and determine mixing zones
Data collected as text files Photo: mixzon.com
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Sensor is dropped in Downcast
…then pulled up Upcast
We only want upcast data
We only want the data points for the maximum values
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Data saved as raw text
Interns and employees manually find upcast
Maximum values manually found Slow, inefficient
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Designed an algorithm
Wrote an application to implement algorithm
Used C++/CLI programming language
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Output as smaller text files
Output to GIS shapefile GPS coordinates
make points Attribute data
attached to coordinate points
Maps can be created from these points
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User can select multiple
files
User can select multiple
files
Output is shown while processing
Output is shown while processing
Graph is shown for each of the
measurements
Graph is shown for each of the
measurements
Maximum values are shown with lines and in text
Maximum values are shown with lines and in text
User can select which file’s graph
to look at
User can select which file’s graph
to look at
Status strip shows sensor informationStatus strip shows sensor information
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Helped with field data collection
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Redesigned MixZon’s intranet site New UI Platform-independent, w3c-compliant code Used PHP, HTML, CSS
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Microsoft C++/CLI New programming language
Mixing zone terminology Understanding of GPS/GIS Environmental science in the field Experiencing a professional work
situation
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Other interns’ sections of the ppt have been redacted
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Thank you to all of the people who made our internships such a great experience:
Dr. Robert Doneker – MixZon’s PresidentOur mentors
Adi Ramachandran Dr. Todd Sanders Frank Opila Kent Thompson Thomas “Legacy” Lovett
The ASE staff