Fig. 1 shows a simplified land-use map produced by students during a fieldwork enquiry in the city of Kaduna, Nigeria. They walked from the central business...
Question 1 Report
Fig. 1 shows a simplified land-use map produced by students during a fieldwork enquiry in the city of Kaduna, Nigeria. They walked from the central business district to the urban fringe and recorded the dominant land use in each zone. The study figure is not drawn to scale, but the arrows show the route used by the students.
(a) State the land-use zone shown at the start of the route. [1]
(b) State two reasons why the CBD is a suitable location for many shops and offices. [2]
(c) State one likely conflict caused when housing expands onto land at the urban fringe. [1]
Fig. 1 shows an annotated cross-section through a low-lying area of Jakarta. A new housing development has replaced permeable fields with roofs and roads. After heavy rainfall, residents reported that water reached homes close to the canal more quickly than before development took place.
(a) State the process represented by the arrow in Fig. 1. [1]
(b) State two reasons why replacing fields with roads can increase flood risk. [2]
Answer Details
Urban land use
(a) The route starts in the central business district (CBD). [1]
(b) The CBD is accessible from many routes and usually has high pedestrian numbers. It is also close to other services and businesses and is well served by public transport. These factors provide customers and make it convenient for shops and offices. Any two valid reasons gain credit. [2]
(c) Housing expansion at the urban fringe can cause loss of farmland and conflict with farmers. Increased traffic or pressure on rural services are also valid. [1]
Urban flooding
(a) The arrow represents surface runoff. [1]
(b) Roads are impermeable, so replacing fields reduces infiltration. Water reaches drains and canals more quickly, less water is stored in soil, and drainage systems may be overloaded. Any two valid reasons gain credit. [2]
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