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SATELLITE REMOTE SENSING  Remote Sensing is defined as the act of obtaining information about an object without being in direct contact with the object. A satellite is an artificial body placed in orbit round the earth or on another planet to collect information or for communication. Satellite remote sensing is a satellite that study the earth’s surface and atmosphere.   APPLICATION OF SATELLITE REMOTE SENSING Satellite remote sensing can be applied in various field of life such as forestry, agriculture, environment, telecommunication, transportation etc.   Energy is the capacity to do work. Energy can take many forms such as light, heat or sound, and it can be transmitted between objects through three processes which are:   Conduction: The objects are in direct physical contact. Energy is transferred from the high energy object to the low energy object until both objects are at the same energy level. Convection: This occurs in… Read More »SATELLITE REMOTE SENSING



WEST AFRICA POPULATION      Population is defined as the number of people living in an area at a particular time. The population of West Africa is not evenly distributed. Some areas are densely populated, some are moderately populated and others are sparsely populated.  AREAS OF DENSE POPULATION: These include Lagos, Kano, Accra, Abidjan, Freetown, Monrovia, Dakar, etc  AREAS OF MODERATE POPULATION: These include Benin, Ashanti Region, Mano River area, Ouagadougou, Niamey, Bamako, etc  AREAS OF SPARSE POPULATION: These include upper Gambia, Middle belt of Nigeria, Northern Niger, Mali and Mauritania.  REASONS / FACTORS RESPONSIBLE FOR THE POPULATION DISTRIBUTION OF WEST AFRICA 1)        Historical factors: Some densely populated areas like Kano have been centers of Trans-Sahara trade. This contributed to it’s high population 2)        Agriculture 3)        Mining 4)        Industrialization i.e. the presence of industries. REASON FOR HIGH POPULATION DENSITIES  1)        Favourable climate                                                2)        Fertile soil 3)        Natural attachment… Read More »WEST AFRICA POPULATION



GIS APPLICATION  Geographic Information System can be applied in different field which include defence, agriculture, mining, transport, urban planning, census, surveying etc.   Some of the problems of GIS in Nigeria are: Inadequate power Inadequate personnel Inadequate capital Poor communication Low level of technology Lack of GIS institutions.   Data representation GIS data represents real objects (such as roads, land use, elevation, trees, waterways, etc.). Real objects can be divided into two abstractions: discrete objects (e.g., a house) and continuous fields (such as rainfall amount, or elevations).   Traditionally, there are two broad methods used to store data in a GIS for both kinds of abstractions.



TOURISM  Tourism is the process which involves the visiting of people to places of interest for pleasure, relaxation, entertainment or education. FACTORS FAVOURABLE FOR TOURISM Presence of wild life Presence of highlands Good accommodation or hotels Easy means of communication Good transportation network or accessibility Availability of fund Adequate security Political stability. IMPORTANCE OF TOURISM Generates foreign exchange Provides educational knowledge Promotes employment opportunities Provision of social amenities Conservation of wild life Promotes local craft industries Diffusion of ideas.

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