Man-Environment relationships in tropical desert. F. 6 geography. 1. Climatic impact on man. Affect human eyes Mirages ( 海市蜃樓 )may form on hot and windless days lower mental ability 減低思考能力 upset metabolism 阻礙新陳代謝 Sandstorm may reduce visibility 減低能見度. 2. Use of underground.
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F. 6 geography
There are seven basins with great capacities :
Atmospheric recycling cause wind to bring salt into the area from sea and other bodies of water 大氣循環將鹽份由海帶入內陸
Man made rain
- Experiment have been carried out in the Hoggar Mountains 阿哈加爾山脈
For reference of artesian well ,can see :
Underground water is lost in various way
Effects: decline in artesian pressure, lowering
of water table, increase in salinity,
artesian water become sub-artesian
- groundwater pollution
- inefficient irrigation
Irrigation may lead to various problems: