Measurement data and station information: Recording, administrating, analyzing. The environmental data management system, the Hydrographical Information System, the database system for administrating and evaluating environmental data.

Data Sources

  • from highly frequent data series of one parameter (quantity) up to singular environment reports of some hundred parameters (quality)
  • online measurement, data collectors, digitised data values, files in different formats
  • e.g. water stage and flow, chemical, biological values, meteorology, profiles (geodesy), etc.

Measurement Station Information

  • stored in the database with timing information
  • e.g. station name, coordinates, contact person, as well as public orders, maps, plans

User Access Rights

  • in several privilege steps
  • saves data before unwanted access
  • protects from unintentional data changes

Data Access

  • using thegroup system SPT: station, parameter, time
  • cycle time: presentation and evaluation
  • are independent from the data sampling interval
  • easy access to data values
  • presentation in dialogue boxes
  • exportable to formatted lists


  • numerical and graphical
  • data series: move, turning around a point, copying, adding of values by interpolation and regression with stations in the neighbourhood
  • protocol of changes (who/when/why)

Import/Export Of Data Values

  • freely formatable; manual and automatic import
  • is fault tolerant and learnable against wrong spelled words
  • MS-Excel and ASCII tables with data values are simply dragged into the application
  • automatic testing during import (e.g. plausibility) and export (e.g. cell formatting at values with boundary value violations, drinking water codex)
  • XML for logically formatted exports


  • widely formatable, storable layout
  • 2D-pictures (curve), 3D-surface
  • colour intensity plots, isolines

Analysing Methods

  • independent from samping interval (e.g. only 700 values)
  • all results are output to a file, a graphic, or the database
  • Script language (C) for criteria and analysis
    • statistics (mean, sliding mean, minimum/maximum, variance, median)
    • regression (over time and data series), trend, histogram
    • arbitrary algebraic combining of data series (movable over time)
    • double sum, flow-duration curve
    • polygonalisation (data reduction)
    • method and plausibility check

The System Environement

  • User Desktop
    • The client is available for different operating systems, like MS-Windows (drag-and-drop, clipboard, DDE, OLE, context help).
    • adaptable to the user's needs
  • Database
    • runs on a server or on the same single workstation
    • e.g. Oracle or MS-Access

HIS'3D® is an open system

  • expandable by new methods
  • extendable by new data sources and parameters
  • open to other packages, e.g.: MS-Excel, MS-Word, ArcInfo, ArcView
  • operating system (MS-Windows NT/2000, Linux, Unix) and database independent

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