The source of groundwater is that after the rain falls on the ground, a part of it infiltrates into the ground and accumulates in the cracks of the soil and rocks, and becomes groundwater. The amount of groundwater is related to lithologic structure, topographical conditions and sources of recharge. Therefore, we will introduce the experience of the people in finding water, and find water sources for farmers in areas prone to drought.
According to the characteristics of the terrain to find water: 1, "squatting, looking for water is most beneficial." The depression on the three sides of the mountain, the groundwater is concentrated to the mouth, so the well is drilled near the mouth of the mouth, and the amount of water is more.
2. “The two mountains are sandwiched by a ditch, and the ditch has a water flowâ€. The valley between the two mountains is easy to find in the rock formations on the lower reaches of the river valley.
3, "the two ditch intersect, the spring water 滔滔". Under the mountain mouth where the two ditch meet, there may be spring water, where the well is drilled and the water source is more reliable.
4, "The mouth of the mountain to the mouth of the mountain, there is good water under the mouth." The two mountain mouths are opposite and close to each other. The terrain beneath the two mountain passes is flat. It is easy to hit the water at the lock.
5, "Two mountains and mountains, often water does not dry." If the rock formation under the lonely mountain becomes a water-repellent layer due to local variation of lithology, it can block the flow of groundwater, and when the well is drilled upstream of the lonely mountain, water can be discharged.
6, "Two trenches with a mouth, there is spring water." The mountains on both sides are long, and there is a short mountain in the middle. In the mountain mouth of the middle mountain, if there is a water-permeable layer on the top, there is an impervious layer underneath, and if the well is drilled in a low position, water can be produced.
7, "Dashan low mouth, the amount of water digging wells." The mountains are connected very far and are tilted to one end, and groundwater can be found in the aquifer where it is properly placed at the dumping end.
8, "The mountain turns, there is water flow." The lower part of the mountain bay caused by the twisting of the mountain, blocking the groundwater flowing from the mountain, enriched in the aquifer, and drilled well with water.
9. "The mountain is on the concave mountain, and the water is in the concave." The shape of one mountain protrudes from the opposite side, and the shape of the other mountain is recessed into the inside. The convex and concave are directly opposite. The water source is very good in the lower part of the concave mountain, and the amount of well water is much.
10. “There is a lot of water in the well.†A short mountain is projected in the middle of the Changshan Mountain. Wells are drilled in the lower part of the mountain slope, and water is generally available.
11, "Bay to the Bay, the water is not dry." The two mountain bays are opposite each other. In the middle of the bay, water or water plants are found. It is the performance of the backwater in the mountains. Wells are drilled here and there are good springs.
12. “Two mountain joints, there is spring water flowâ€. Generally, there is a lack of perennial flow between mountains and mountains. During the rainy season, floods may be discharged at the joints. In the dry season, groundwater may be exposed at the joints.
13. “There are many pebbles on the floodplain, and underground diving is like a dark riverâ€. Although the winter river has dried up, there are submersible flows under the floodplain, which can intercept water storage and pump wells.
14. Look for ancient rivers along the banks of the river. Although the ancient river channel is now buried, the aquifer is gravel and there is still diving flow, which is a good place to drill wells.
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