摘要
提出了农牧防护林网区域性防风效应的新概念,同时,根据风洞实验资料和野外系留气球观测资料提出了新的防风效应评价方法和评价模型,并给出了应用实例。
The new conception of regional wind protection effect of agricultural andanimal husbandry windbreak networks is suggested in this paper. In addition,new evaluation meathod and model are presented based on the data fromwind tunnel experiment and tethered balloon observtion. The example ofapplying it is also given in the paper. The evaluation model can be expressedas■
出处
《林业科学》
EI
CAS
CSCD
北大核心
1993年第6期509-514,共6页
Scientia Silvae Sinicae
基金
国家自然科学基金项目
国家科研重点(攻关)专题研究内容之一
关键词
农田防护林
防风效应
评价
Regional wind protection effect
Aerodynamic velocity
Structure of boundary layer