harnessing a real time sensor network for illicit and ...network for illicit and accidental ......
Post on 07-Jun-2020
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Harnessing a Real Time Sensor Network for Illicit and Accidental
Discharge Detection: Case Study Using Charlotte-Mecklenburg’s Sensor Network and the R Programming
Language
Caroline Burgett and Joel Nipper
Historical Workflows
• Work with vendor for online visualizations (available to public)
• Threshold alerts
• Manual dailyish data review
• (Recently) increased interactivity with visualizations
• (More recently) have vendor add USGS flow data
AssessIF NO RAIN AND
TURBIDITY SPIKETHEN
SEND ALERT
Hydromet Cloud(Web Host)
dataRetrieval
RSelenium
USGS-NWIS
NTS
Approach Overview
riem
METAR
Do Nothing
taskscheduleR
gmailr
ELSE DO NOTHING
Results / Lessons Learned
• Don’t dismiss sensor anomalies as malfunctions or natural conditions
• Automate
• Site Selection
• Refinement of signatures, widespread deployment
• Migration of WQ sonde to Contrail® (OneRain Inc)
• Wet weather alerts
Next Steps
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