渭河河道及滩地对宝鸡环境及灾害影响初探

首次提出了“渭河河道及滩地自然区”是宝鸡综合自然地理区划中关于盆地半湿润区的一个独立自然区；分析了渭河宝鸡境内，林家村至扶风牛蹄河段，９０ｋｍ长河道及滩地自８０年代中后期以来的环境变化状况，并运用生态学的基本原理及涨落－耗散定理分析了其发展态势，指出渭河河道及潍地区自然区已成为关中盆地半湿润区的一个脆弱生境，初步探讨了这一脆弱生境及其演化对宝鸡地理环境产生的影响，致灾的可能性及其机制，提出了对该自

On effect of Weihe river bed and its flooding land on Baoji geographical environment and causing disaster factors

This paper first points out that Weihe river bed and its flooding bed physical area is an independent physical area in Baoji synthesized physical graphieal division and in half-moisture area in the Guanzhong basin. The paper analyzes the environment changes within 90km along Weihe river bed and its flooding land from Linjia village to Niuti, Fufeng section since late 1980s, and uses basic biology and physical law to deduce its development cendenly, pointing out the Weihe river bed and the flooding land physical region has become a fragile habitant in Guanzhong half-moisture area, first inquiving into this fragile habitant and its evolution will affect the environment, the possibility of causing disaster and its mechanism in Baoji. At last, the author points out the directions and measures to preserve and take advangtage of this fragile habitant.