夏县白沙河城区段河道及两岸生态系统构建

Construction of River Channel and Ecological System on Both Sides of Baisha River in Xia County

夏县是华夏民族发祥地之一,历史悠久、文化源远流长。为解决白沙河水库溢洪道消力池出口至临夏线拟建白沙河桥下游,长4.85 km,面积约37.45万m2的河岸区美化绿化问题,充分利用自然山水植被和地域文化,打造一个以生态景观河道为主题的人文公园。确立以“黄河根祖文化区、忠义文化区、治国文化区、革命教育文化区”为核心灵魂的白沙河景观工程分区。以绿色生态为手段,演绎一个美轮美奂、缤纷绚丽的生态景观;以生态植被和本地植物物种为基本种植单元,营建多种立地生态环境,最大限度地尊重河道自然地形地貌,结合河道水利措施,尽可能减少土方工程,减少雨水的对外排放,达到生态环保、节约工程造价的目的,展现夏县的新城风貌、客厅形象、文化特色和生活品质的新形象。

Xia County is one of the birthplaces of the Chinese nation,with a long history and a long history of culture.In order to solve the problem of beautifying and greening the riparian area with a length of 4.85 km and an area of about 374,500 m2 from the outlet of stilling basin of spillway of Baishahe Reservoir to the downstream of the proposed Baisha River Bridge on Linxia Line.This paper makes full use of natural landscape vegetation and regional culture to create a humanistic park with the theme of ecological landscape river.Establish the landscape engineering division of Baisha River with“Yellow River Genzu Cultural Area,Loyalty Cultural Area,Governing the Country Cultural Area and Revolutionary Education Cultural Area”as the core soul.Deduct a beautiful and colorful ecological landscape by means of green ecology;Taking ecological vegetation and local plant species as the basic planting units,we will build a variety of site ecological environments,respect the natural topography of the river to the maximum extent,and combine river water conservancy measures to minimize earthwork and reduce the external discharge of rainwater.It has achieved the purpose of eco-environmental protection and saving the project cost,and displayed the new image of Xiaxian's new town style,living room image,cultural characteristics and quality of life.