Web-based GIS mapping
Springs over NGI topographic maps
Google Map
KML boreholes with attributes
Digital Elevation Model
DEM creation in GIS systems
Web-based GIS mapping
Geosites over OpenTopoMap
Data distribution
Available data over different periods
Web-based GIS mapping
Groundwater harvest potential
GIS calculations
Creation of new GIS layers from calculations
GIS Heatmaps
Heatmap of water levels
Software Development
Aquabase water resources management software development

This website was created and is maintained by me, Immo Blecher, to present my skills, knowledge and experience with Geographic Information Systems, database systems, software development, business management, geohydrological and chemical laboratory consulting.

You will also be able to obtain information on the Aquabase Water Resources Management software (Aquabase), which is at an advanced stage of development after many years of neglect and zero-development. Aquabase has been, and is still used by many consultants and government organisations in the water management sectors, not only in South Africa, but also in many parts of Africa. The software package is available for free (the freedom to use), but that obviously comes without any support with installation or database setup. Please visit the Aquabase link under Projects on this website for more information. Otherwise just go to https://aquabase.blecher.co.za/wp and download the latest version from there!

Personal Data:

Present Position: Team Leader Network Documentation and Senior Geospatial Analyst

Current Employer: Mobilfunkinfrastrukturgesellschaft mbH in Naumburg (Saale), Germany

Born in: Windhoek / Namibia

Nationality: South African / German

Residence/Office: Gleichen - Klein Lengden, Germany

Languages: English, Afrikaans, German, Dutch (fluent), Portuguese, French (basic understanding and communication)

Education and Professional Status:

  • MSc Geology (Diplom-Geologe) Georg-August University Göttingen, Germany, 1990
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