论文部分内容阅读
风翔县位于关中盆地西部,属渭北黄土台原地貌,干旱半干旱气侯区。地势北高南低,北部是海拔1000～1600米的丘陵山地,南部是海拔700～1000米的黄土台原。全县多年平均降水量610毫米,河川径流量0.70亿立方米,地下水资源量1.08亿立方米,其中地下水可开采量为0.59亿立方米。主要河流有雍水(后河)、横水和千河等。全县按人均、亩均水量分别为405和204立方米,为省人均、亩均的1/4。先后建成东风、白荻沟、群力和姚家沟等中小型水库19座,总库容为2589万立方米。建成冯家山总干渠、东风渠和跃进渠等干支渠道、抽水站37处、机井2600多眼,有效灌溉面积达到35.7万亩,使农业生产条件得到了很大的改善。1985年全县工农业生活用水总量达到
Fengxiang County is located in the western Guanzhong Basin, belongs to Weibei Loess Plateau landscape, arid and semi-arid climate zone. The terrain is high in the north and low in the south. The northern part is a hilly mountain area with an elevation of 1000-1600 meters. The southern part is a loess plateau with an elevation of 700-1000 meters. The county’s annual average rainfall of 610 mm, river runoff of 70 million cubic meters, groundwater resources 108 million cubic meters, of which groundwater recoverable amount of 0.59 billion cubic meters. The main rivers have Yong water (after the river), Hengshui and thousands of rivers. According to the per capita average per capita in the county, the average per mu of water is 405 and 204 cubic meters, respectively, which is 1/4 of the average per capita in the province. Has built Dongfeng, Bai Di Gou, Qunli and Yaojiagou 19 small and medium-sized reservoirs, with a total capacity of 25.89 million cubic meters. The construction of Fengjiashan main canal, Dongfeng canal and Yuejin canal and other dry-branch channels, pumping stations 37, more than 2,600 eye wells, effective irrigation area reached 357,000 mu, the agricultural production conditions have been greatly improved. In 1985 the total industrial and agricultural water consumption reached