Anhui Province 20 13 Geography Examination Paper Answers

34.(2 1)

(1) The southwest river is high in the southeast, with a high pressure center, sparse isobars and small pressure gradient; The air pressure in the north of the central part is low, the air pressure center is low, the isobars are dense, and the air pressure gradient is large. (2) Sandstorm

Weather conditions: rising temperature leads to thawing of topsoil, enhanced evaporation, dry surface and abundant sand sources; The warm air mass before the cold front is dry and it is difficult to form precipitation; The cyclone is strong and the airflow rises, forming sand blowing; The west wind is strong, forming a large-scale sandstorm. 35.(35 points)

(1) Vegetation destruction, soil erosion, land degradation, land productivity decline, water resources shortage and ecological environment deterioration.

(2) Conditions: wide platform, deep soil layer and loose texture; The altitude is higher, the continental monsoon climate is remarkable, the sunshine time is long, the temperature difference between day and night is large, and the precipitation is moderate.

Benefits: it is conducive to restoring vegetation, maintaining soil and water, and improving the ecological environment; It is beneficial to adjust the agricultural industrial structure, promote the development of fruit processing industry and increase the added value of agriculture; It is conducive to increasing farmers' employment, increasing farmers' income and realizing poverty alleviation. (3) Scheme 1 (written expression): Planting grass under fruit trees, using grass and pomace as feed, developing animal husbandry and solving the problem of pomace pollution; The pomace and feces are put into biogas digesters, and biogas is used as domestic energy to solve the problem of fuel shortage; Biogas residue and biogas slurry are used to fertilize orchards to solve the problem of excessive application of chemical fertilizers.