GIS based software solution for ground water studies: GWIS


Non-spatial data in gWIS
Non-spatial data for any ground water study should be very much important and it normally helps to understand the system thoroughly with lot of historic data from meteorology, waterlevel, water quality etc. The amount of data for this analysis is very important. This software enable you to store/update/and modify the data with a very user-friendly interfaces.

Customised database have been designed for the data entry for the following areas:
  1. Basic Information of the study area
  2. Comprehensive meteorological database
  3. Water level database
  4. Water quality database
  5. Resistivity survey database
  6. Pumptest survey database
  7. Well inventory database
  8. Borehole database

Rainfall locations Map


Electrical Conductivity Map


Premonsoon water level fluctuation map


Postmonsoon water level fluctuaton map

The following pictures shows some of the datasheet were by the user enter the field data through the customised screen. These were created by utilising the hard copy formats generally used in government and non-governemnt organisations in India.


Pump test Drawdown data sheet

Functionalities
Following the philosophy that a picture is worth a thousand words, gWIS emphasizes graphics on screen and printed in: maps logs, cross-sections, hydrographs, and various chemical diagrams as shown in the pictures. Major functionalities of this particular software is as follows:
  • Numerical and Graphical Analysis of Water Quality
  • Browsing through tree structure to make more user friendly
  • Complete analytical capabilities in all areas.
  • Report Generation through Wizard
  • Geostatistical analysis capability
  • Linking of map and tables
  • Graphical tool for the better representation of various parameters.
  • Customized administrative hierarchy.
  • Different levels of data storage viz., river basin, watershed, district, taluk, panchayat etc.
  • Complete water classification techniques for various needs.
  • Complete borehole and well designing tools
  • Graph generation through Vizard
  • Fence diagram and penetration diagram preparation
  • VES Data analysis using Schlumberger and Wenner methods
  • Drawdown and Recovery pumptest data analysis using various methods
  • Trend analysis of water level and rainfall
  • Complete well inventory details to analysis the density and growth of wells.
  • Complete Basic Information on different study areas
  • Drainage morphometry studies to understand the surface drainage characteristics.
  • Arc-Info and Map Info spatial data compatibility
  • Integration with any GIS software for Spatial data management
  • Oracle and Access for data storage.
Some of the graphical representation/analytical outputs were given below:

Handa's Classification


USSL Classification

Gibb's Classification

General Pie chart




Conclusion
This software enables you to organize the different aspects of ground water related data viz. hydrological, lithological, meteorological, hydrochemical, geophysical, well inventory, Pumptest etc.. both spatially and non spatially. An easy to use groundwater data management and analysis software that includes everything you need to comprehensively manage and present groundwater related information.

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