GIS Application SS3 Geography Lesson Note

SPECIFIC OBJECTIVES: At the end of the lesson, pupils should be able to

1. Explain the various applications of GIS
2. Examine the problems militating against GIS implementation in Nigeria

INSTRUCTIONAL TECHNIQUES: 

• Identification, 
• explanation, 
• questions and answers,
• demonstration, 
• videos from the source

INSTRUCTIONAL MATERIALS: 

• Videos, 
• loudspeaker, 
• textbook, 
• pictures

NOTE

GIS APPLICATION

Geographic Information Systems (GIS) have diverse applications across various fields:

1. GIS helps in city planning, land-use mapping, and infrastructure development by providing spatial data for informed decision-making.
2. GIS aids in monitoring and managing natural resources, tracking environmental changes, and planning conservation efforts.
3. GIS is used for mapping disease patterns, analysing healthcare accessibility, and optimising the location of healthcare facilities.
4. GIS supports disaster response and preparedness by mapping vulnerable areas, assessing risks, and coordinating emergency services.
5. GIS plays a crucial role in route optimization, traffic management, and logistics planning, enhancing efficiency in transportation systems.
6. Farmers use GIS for precision farming, optimising crop yields, and managing resources like water and fertilisers based on spatial data.
7. GIS is employed in forestry, water resource management, and mining to monitor and manage natural resources sustainably.
8. GIS assists in disease surveillance, epidemiology, and public health planning by mapping the spread of diseases and identifying high-risk areas.
9. GIS aids in planning and optimising the placement of telecommunication infrastructure such as cell towers, improving network coverage and efficiency.
10. GIS is used in educational settings for teaching geography, and spatial analysis, and providing hands-on experience with real-world data.

Problems limiting GIS implementation in Nigeria

Several challenges impede the smooth implementation of Geographic Information Systems (GIS) in Nigeria:

1. Inadequate technological infrastructure, including reliable power supply and internet connectivity, poses challenges for the effective functioning of GIS systems.
2. Limited access to accurate and up-to-date spatial data hampers GIS implementation. Inconsistent data quality and insufficient coverage can hinder the reliability of GIS applications.
3. There is a shortage of skilled GIS professionals in Nigeria. Adequate training and education programs are needed to build a workforce proficient in GIS technology and its applications.
4. Acquiring GIS software, and hardware, and conducting necessary training can be costly. Many organisations in Nigeria, especially smaller ones, may find it challenging to invest in GIS technology.
5. The absence of clear policies and regulations governing GIS data sharing, access, and usage can impede its widespread adoption. Establishing a robust regulatory framework is crucial.
6. Regular maintenance of GIS systems is essential to ensure their longevity and optimal performance. However, a lack of funding and technical expertise can impede proper system maintenance.

EVALUATION: 

1. Mention 5 applications of GIS across various fields that you know.
2. Identify 5 factors militating against GIS implementation in Nigeria

CLASSWORK: As in evaluation

CONCLUSION: The teacher commends the students positively