Subsurface water can be mainly divided into two zones viz.: 1. Zone of Aeration 2. Zone of Saturation. 1. Zone of Aeration: In this zone the soil pores are partially filled with water. The space between the ground surface and the water table is the zone of aeration. Zone of aeration can be further divided […]
Classification of Subsurface Water | Hydrogeology
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Classification of Geophysical Techniques | Hydrogeology
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Based on the property on which the method depends the geophysical techniques can be broadly classified as: 1. Gravity Prospecting 2. Magnetic Prospecting 3. Electrical and Electro-Magnetic Prospecting 4. Seismic Prospecting 5. Well Logging Techniques. 1. Gravity Prospecting Method: The gravity method of geophysical prospecting is based on the fact that the gravitational attraction of […]
Top 10 Uses of Aerial Photographs | Photo Geology
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This article throws light upon the top ten uses of aerial photographs in civil engineering projects. The uses are: 1. Preliminary Surveys 2. Acquisition of Land 3. Water Supply and Power Schemes 4. Transmission Lines 5. Road and Railway Engineering 6. Town and Country Planning 7. Land Drainage and Flood Prevention 8. Navigation Channels, Harbours […]