These activities result in such areas have increased the slope changes flow pattern of surface water and groundwater-level changes. That can cause landslide or avalanche wind. Drilling or cutting hill slopes in the area of the road may pose a greater area. Mine and quarry excavation often causes soil slope is increased. Agriculture in the slope area farmers need weeding, and may adjust the space to resemble a ladder, or deforestation business. These events cause changes to flow patterns, water surface area, i.e., the water will flow through the soil quickly. And causing it to wash soil due to forest destruction. Missing root soil restraint also, changing water flow patterns of surface areas also affect groundwater levels. In the irrigation water quantity will be made part of the Canal from the ooze and into underground. Groundwater levels cause increased Have more weight and soil mass can cause landslide in the end. To increase the level of ground water may be caused by a leak of water pipes. Pond or reservoir, or wastewater.
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