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Presented by: Steve S. Di Lonardo & James C. Alair September 15 th , 2009 West Point, New York

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Water Information System for the Management and Storage of Time Series Data. Presented by: Steve S. Di Lonardo & James C. Alair September 15 th , 2009 West Point, New York. Water Quality. New York City Department of Environmental Protection. Bureau of Water Supply. Outline.

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Water Information System for the Management and Storage of Time Series Data

Presented by: Steve S. Di Lonardo & James C. Alair

September 15th, 2009

West Point, New York

Water Quality

New York City Department of Environmental Protection

Bureau of Water Supply

outline
Outline
  • Challenges associated with time series data
  • WISKI software as a solution
  • Improvements to NYC DEP time series data quality and access?
  • Case studies
  • Other potential applications

Water Quality

New York City Department of Environmental Protection

Bureau of Water Supply

challenges of time series data
Challenges of time-series data
  • Government & environmental agencies produce large amounts of data
    • Requires the establishment of information systems to acquire and store data
    • Limited or no built-in QA/QC capabilities
    • Often results in data silos
    • Limited data sharing / access between groups

Water Quality

New York City Department of Environmental Protection

Bureau of Water Supply

time series data
Time series data
  • As part of DEP efforts to improve and facilitate the availability of time series data:
    • Pilot study using WISKI software
    • Database manager software
    • Designed by Kisters North America Inc.

Water Quality

New York City Department of Environmental Protection

Bureau of Water Supply

slide5
WISKI database manager
  • Infrastructure to automatically IMPORT, PROCESS, COMPUTE, STORE, and REPORT all time series data
  • Unlimited sites, stations, parameters and data storage (only limited by hardware)
  • Based on MS-SQL, Oracle, etc….
  • Scalable from a single user to hundreds of users

Water Quality

New York City Department of Environmental Protection

Bureau of Water Supply

slide6
WISKI database manager
  • Data file importing (current and archival)
    • All major data loggers formats
    • Telemetry data acquisition systems
    • SCADA systems
    • XML, ZRXP, & Comma delimited files
    • User defined time-series data

Water Quality

New York City Department of Environmental Protection

Bureau of Water Supply

who uses wiski
Who uses WISKI?

Water Quality

New York City Department of Environmental Protection

Bureau of Water Supply

applications types of data
Surface water (temperature)

Ground water (salinity)

Meteorological (precipitation)

Water quality (O2)

Stream discharge (flood management)

Any time-series data!

Applications – Types of Data

Water Quality

New York City Department of Environmental Protection

Bureau of Water Supply

how where does wiski fit at dep
How/Where does WISKI fit at DEP?
  • LIMS – lab/field data
  • SAS – historical lab/field data
  • SCADA – real-time data (operations)
  • WISKI
    • Compatible with LIMS, SCADA, SAS, ARCGIS
    • Organization of high frequency data files into a manageable user-friendly format

Water Quality

New York City Department of Environmental Protection

Bureau of Water Supply

wiski software at dep
WISKI software at DEP
  • Purchased by NYC DEP (2005)
    • Used primarily by EOH Hydrology - Kensico streams
  • Advancements 2007 - Present
    • Kensico Streams
    • USGS gauge stations
    • Weather stations
    • Keypoints
    • Reservoir Elevation/Capacity
  • Water Security Initiative (EPA Grant)
    • Integral part of keypoint data acquisition and storage

Water Quality

New York City Department of Environmental Protection

Bureau of Water Supply

wiski as a software solution
WISKI as a software solution
  • Access via BWS intranet to all DEP employees
  • Automated data imports (excel, html, asci)
  • Reduce need for data requests
  • Data available in a working format

Water Quality

New York City Department of Environmental Protection

Bureau of Water Supply

slide12
NYC Watershed & Distribution

Water Quality

New York City Department of Environmental Protection

Bureau of Water Supply

slide14
Water Quality

New York City Department of Environmental Protection

Bureau of Water Supply

data computations
WISKI Data Management SystemData Computations
  • Data Conversions
    • By Formula
    • Through Rating Tables
  • Creates Summary Data
    • Min, Max, Mean, Total
    • Daily, Monthly, & Yearly

Water Quality

New York City Department of Environmental Protection

Bureau of Water Supply

slide16
WISKI Data Reports
  • Standard Reports
    • Year End Reports
    • Monthly Reports
    • Rating Curve Reports
    • Discharge Measurement Summary
    • User-defined Reports

Water Quality

New York City Department of Environmental Protection

Bureau of Water Supply

slide17
WISKI Data Management System
  • Time and user stamped data QA/QC
  • Original imported time-series data cannot be edited
  • Altered data maintains history
  • User-defined plausibility flags (eg. Turbidity)
  • Restrict sensitive data to certain user groups

Water Quality

New York City Department of Environmental Protection

Bureau of Water Supply

slide18
WISKI Data Management System

Tabular presentation of the Flags

Graphical presentation of the Flags

Comments and Remarks

Water Quality

New York City Department of Environmental Protection

Bureau of Water Supply

slide19
Case Studies & Potential Applications at NYC DEP

Water Quality

New York City Department of Environmental Protection

Bureau of Water Supply

slide20
Case Study: Sewage Spill Warning & Prevention

Water Quality

New York City Department of Environmental Protection

Bureau of Water Supply

water budgets storm monitoring
Water Budgets / Storm Monitoring

Water Quality

New York City Department of Environmental Protection

Bureau of Water Supply

event detection
Event Detection

Water Quality

New York City Department of Environmental Protection

Bureau of Water Supply

operational shutdown monitoring
Operational Shutdown Monitoring
  • Reservoir elevation
  • Discharge and turbidity
  • Plausibility checks for out of range values

Water Quality

New York City Department of Environmental Protection

Bureau of Water Supply

flood forecasting
Flood forecasting
  • Create a flood forecasting system using existing gage data
  • Establish a web-based warning network for towns

Flood warning

Flood watch

Water Quality

New York City Department of Environmental Protection

Bureau of Water Supply

slide25
Data Modeling
  • Nodes: represent catchments, junctions or recording sites
  • Links: define how the information flows in the model

Water Quality

New York City Department of Environmental Protection

Bureau of Water Supply

data analysis trends
Data analysis - Trends

Water Quality

New York City Department of Environmental Protection

Bureau of Water Supply

water meter information
Water Meter Information
  • Efforts have been made by NYC to automate water meter data acquisition
  • WISKI could interface with the data stream and auto-generate reports
  • Provide a historical database for data analysis

Water Quality

New York City Department of Environmental Protection

Bureau of Water Supply

summary
Summary
  • WISKI Software represents a state of the art tool for dealing with any time series data
  • Does not require special infrastructure – can interface with any data source
  • Significant improvement in QA/QC & data access
  • Success requires collaboration

Water Quality

New York City Department of Environmental Protection

Bureau of Water Supply

acknowledgements
Acknowledgements
  • Kisters North America
  • Kerri Alderisio
  • Lorraine Janus
  • DEP Management

Water Quality

New York City Department of Environmental Protection

Bureau of Water Supply

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