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Update on CostUpdate on Cost--Effective Water Quality Effective Water Quality Monitoring Systems for DelawareMonitoring Systems for Delaware

STAC Meeting4 November 2005Lewes, DE

J. GlanceyD. Brown

University of Delaware

Sergio HuertaRobin Tyler

Edythe HumphriesMark Crane

DNREC

Project OverviewReal-Time Measurement & Transmission of Water Quality Data

Many researchers currently using YSI, Inc. Data Sondes

Integrated, multi-sensor, commercially available device.Temperature, DO, pH, turbidity, salinity, etc.Up to 15 parameters measured.Serial communication Not intended to integrate with other monitoring equipment and systems.

Project Goals:Whole-water column samplingReal-time data transmission and displayAffordable

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Typical ResultDissolved Oxygen

15:3

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0:30

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22-2420-2218-2016-1814-16

Time (hh:mm)

Depth (ft)

SummaryWhat we know so far . . .

Prototype device still in service.Hardware costs less than expected. ($4,000)Power consumption higher than expected.Real-time data transmission and whole water column sampling systems robust.YSI Data Sonde the weak link . . .The platform provides users the ability to remotely troubleshootproblems with the sonde.May need to consider building an additional device used for all sonde deployments:

Simple communication device Facilitate remote dialog with data sondesAllows for remote troubleshooting

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Vision:Real-Time Interactive Monitoring Systems

CPU

Host Computer and Web Server in Newark