Bulgaria DZI Geography case studies
Bulgaria DZI Geography · Put your knowledge to work in context.
The Bulgarian State Matriculation Exam (DZI, държавен зрелостен изпит) in Geography and Economics is a national school-leaving examination taken by students completing secondary education in Bulgaria. It functions both as a graduation requirement option and as a score used in university admission, so candidates often sit it when applying to programmes in geography, economics, tourism, regional development or teaching. The Bulgaria DZI Geography case studies are 5 cases and about 2,893 words.
1Reading a Contour Map for a Reservoir Siting Decision
A municipal team is choosing between two sites for a small irrigation reservoir in a hilly catchment. Site A lies in a broad, gently sloping valley where the 1:25 000 map shows contour lines spaced about 8 mm apart; the valley floor is at 240 m and the nearest contour above the dam line is 280 m.
636 words, about 3 min2Karst Limestone, Slopes, and a Road Alignment
A regional authority must route a 14 km two-lane road across a plateau underlain by thick, well-jointed limestone. The plateau surface is at 700–750 m and drops to a river valley at 480 m over the last 3 km.
593 words, about 3 min3A Rain-Shadow Town and Its Water Supply
A town of 45 000 people sits on the leeward side of a north–south mountain range that peaks at 2 400 m. Prevailing winds are westerly.
523 words, about 3 min4A Coastal Delta: Sediment Starvation and Land Loss
A river delta of 900 square kilometres supports 600 000 people, rice paddies, and a fishing industry. Upstream, three dams built since 1990 trap an estimated 60 percent of the sediment that once reached the coast.
530 words, about 3 min5Ageing Population and a Shrinking Rural Region
A rural district has 120 000 people, down from 160 000 in 1990. Its fertility rate is 1.3, life expectancy has risen to 78, and the share aged over 65 is 28 percent and climbing.
611 words, about 3 min