Principles Of Gis

Land Survey · Level 6  ·  3 Chapters

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What Principles Of Gis covers

Collecting, processing and archiving GIS data is the work of Principles Of Gis in Land Survey Level 6. Collection looks at sources of GIS data, collection methods, the tools and equipment used to store data, and recording. Processing covers processing tools, pre-processing, cleaning, formatting, integration and presenting the processed data. Archiving sets up a cataloguing system, categorises the data and stores cadastral maps.

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Careers after Principles Of Gis

Land-based GIS work is at the heart of many Kenyan development projects, from mapping new housing estates to protecting wildlife corridors. The abilities you master in this unit let you turn raw location data into clear, actionable information that decision-makers rely on every day.

  • County land registration offices in Nakuru, Kiambu and Kisumu - you decide which GIS data type (vector parcels, raster imagery) best fits cadastral updates, record field measurements accurately, and store the finished maps so land titles can be issued; you earn a regular salary as a GIS officer or cadastral technician.
  • Utility mapping teams for electricity and water supply in Nairobi and Mombasa - you choose the most efficient collection method (drone surveys, RTK-GPS) and the right equipment, then preprocess and clean the data before integrating it into the network database; you are paid per project or as a full-time GIS specialist.
  • Agricultural extension services in western Kenya (e.g., Kakamega, Vihiga) - you record farm-boundary and soil-moisture data using handheld GPS units, format the information to the ministry’s specifications, and present clear maps that help farmers plan crop rotations; you earn as a field data collector or contract consultant.
  • Environmental impact assessment firms working on road, rail or pipeline projects in central Kenya - you select appropriate GIS processing tools, perform pre-processing of satellite images, clean and integrate land-use layers, and produce polished impact maps for client review; you receive consultancy fees for each assessment.
  • Mining companies in Kitui, Turkana and Kakamega - you integrate geological and topographic GIS data, clean and format the layers for mine-planning software, and store the final cadastral maps according to corporate procedures; you are employed as a GIS analyst or hired on a contract basis.
  • Urban planning departments handling informal settlements in Nairobi’s Eastlands - you catalogue and categorise spatial data, apply the city’s metadata standards, and present processed maps that guide zoning and service delivery; you earn a civil-service salary or a grant-based position with a planning NGO.
  • Tourism and wildlife conservancies in Maasai Mara, Tsavo and Aberdare - you collect GPS tracks of animal movements, clean the data, integrate it with habitat layers, and produce visitor-friendly maps and management reports; you are paid per contract or as part of a conservation team.
  • Disaster risk management units in coastal counties (Kwale, Kilifi) - you integrate flood-risk and elevation data, perform thorough data cleaning, and create clear evacuation-route maps for emergency responders; you work on government or humanitarian project contracts.
  • Private GIS consulting studios in Kiambu, Eldoret and Nakuru - you set up GIS data cataloguing systems, categorise client datasets, and store cadastral maps for multiple land-use clients, charging hourly or project-based fees.
  • Real-estate development firms developing new estates in Nairobi’s suburbs - you store and manage cadastral maps, ensure boundary accuracy for each plot, and present the final layout to investors; you earn as an in-house GIS data manager or as a freelance mapping contractor.
  • Freelance mobile-GIS entrepreneur serving smallholder cooperatives and local NGOs - you choose the right data collection method (smartphone GIS apps), record and clean the data on-site, and deliver formatted maps that help clients plan irrigation, market routes or community facilities; you earn per assignment or through subscription services.

Your GIS expertise opens doors across the public, private and informal sectors - whether you join a county office, work on a multinational infrastructure project, or launch your own mapping service. Master these skills, and you’ll be the person who turns geographic data into the plans that shape Kenya’s future.

Chapters

What Principles Of Gis covers: 14 main topics in 3 chapters

1. Collect GIS data

  1. 1.1 Sources of GIS data data
  2. 1.2 Methods of GIS data collection
  3. 1.3 Tools and equipment for GIS data storage
  4. 1.4 GIS data recording

2. Process GIS data

  1. 2.1 GIS data processing tools
  2. 2.2 GIS data pre-processing
  3. 2.3 Pre-processed GIS data
  4. 2.4 GIS data cleaning
  5. 2.5 GIS data formatting
  6. 2.6 GIS data integration
  7. 2.7 Processed GIS data presentation

3. Archive GIS data

  1. 3.1 GIS data cataloguing system
  2. 3.2 GIS data is categorising
  3. 3.3 Cadastral map Storage

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Beyond the syllabus

Other units in Module IV