Assessing Avian-Wind Turbine Collision Risk: An Approach Angle Dependent Model

被引:13
作者
Holmstrom, Lars A. [1 ]
Hamer, Thomas E. [1 ]
Colclazier, Erin M. [1 ]
Denis, Nathalie [1 ]
Verschuyl, Jacob P. [2 ]
Ruche, Delphin [3 ]
机构
[1] Hamer Environm, POB 2561,1510 South 3rd St, Mt Vernon, WA 98273 USA
[2] NCASI Western Wildlife Program, Anacortes, WA 98221 USA
[3] Azimut, F-44620 La Montagne, France
关键词
Compendex;
D O I
10.1260/0309-524X.35.3.289
中图分类号
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号
0807 ; 0820 ;
摘要
A site specific model of avian-turbine collision risk is an important component of assessing environmental impacts from wind power projects. Existing models assume, however, that avian flight paths are either parallel or perpendicular to the turbine orientation and that other orientations do not significantly affect the predicted collision probability. We describe a mathematical model which estimates the probability of a collision between a bird passing through a wind turbine and one of the turbine components. Our model improves significantly upon the reference "Tucker Model", and Band model, by accounting for different angles of avian approach other than perpendicular or parallel to the turbine rotor plane. We demonstrate, using a case study of fall raptor migration data, that the angle of approach between the flight path and the turbine orientation has a significant effect on the collision probability and resulting mortality estimates. We conclude that the angle of approach should be considered when estimating avian-turbine collision risk.
引用
收藏
页码:289 / 312
页数:24
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