CHSE Odisha Elective Geography case studies
CHSE Odisha Elective Geography · Put your knowledge to work in context.
The CHSE Odisha Elective Geography paper is the optional geography subject taken by +2 (Higher Secondary) Arts and Science students under the Council of Higher Secondary Education, Odisha. It suits candidates who want a geography base for undergraduate geography, environmental science, planning, disaster management or civil services preparation, and it is also taken by students who simply want a scoring elective with strong diagram and map components. The CHSE Odisha Elective Geography case studies are 5 cases and about 4,820 words.
1Testing a Retreat Rate on the Kendrapara Coast
A student team surveyed a 3 km stretch of the Kendrapara coast near Satabhaya (Rajnagar block) for its project record. Data collected: (i) the high-water line printed on Survey of India toposheet 74 L/1, surveyed in 1974-75, lies 1,150 m seaward of the high-water line the team fixed by GPS in December 2023; (ii) two erosion stakes set in 2015 show retreat of 6 m/yr at one and 9 m/yr at the other; (iii) a hand-auger core behind the beach ridge shows 0.4 m of coarse sand with shell hash resting on 1.2 m of grey estuarine silt, then a second sand layer, then peat at 2.6 m depth; (iv) the ridge crest is 2.1 m above mean sea level, the mean spring tide range is 2.4 m, and the back-barrier surface stands at 0.9 m; (v) the nearest tide gauge shows mean sea-level rise of about 1.2 mm/yr over the same period.
769 words, about 4 min2What the Age–Sex Tables of a Balangir Block Actually Show
A student tabulated the 2001 and 2011 census figures for one block in Balangir district. 2001: population 1,42,000; sex ratio 987; age 0–14 = 38% of population; 0–6 sex ratio 941; age 60+ = 6.1%; main workers 31.4%, marginal workers 8.2%.
912 words, about 5 min3The Farmer Who Says Cotton Earns More
A 2.0 ha holding in the Bargarh canal command is served by a distributary that runs at full supply only from July to October. Three years of the farmer's records give: Paddy–paddy: water applied 1,850 mm/yr; gross return ₹1,42,000/ha; cost ₹96,000/ha; paddy bought at MSP.
1,056 words, about 5 min4Contours, an Overlong Chain and a Closing Error
A class carries out two exercises. On a 1:50,000 Survey of India sheet a student measures 4.2 cm between spot height 412 and spot height 388; both lie on the same road.
1,041 words, about 5 min5A Cyclone Evacuation Plan That Cannot Be Carried Out
A gram panchayat on the Bhadrak coast has nine villages and 4,200 people living between the embankment and the sea. Three concrete cyclone shelters exist, each certified for 300 people.
1,042 words, about 5 min