Estimation of the maximum wind fetches in Ilha Solteira, state of Sao Paulo, reservoir

被引:0
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作者
Marques, Marcelo [1 ]
Maciel, Geraldo de Freitas [2 ]
Sobrinho, Milton Dall'Aglio [3 ]
机构
[1] Univ Estadual Maringa, Ctr Tecnol, BR-87508210 Umuarama, Parana, Brazil
[2] Univ Estadual Paulista, Fac Engn Ilha Solteira, Dept Engn Mecan, Sao Paulo, Brazil
[3] Univ Estadual Paulista, Fac Engn Ilha Solteria, Dept Civil Engn, Sao Paulo, Brazil
关键词
wave; wind fetch; wave in lake; reservoir; lake;
D O I
暂无
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
Most methods employed to estimate the height of waves generated by the wind require the surface length over which the wind blows. The choice of method depends on the nature of the water body, being applicable to ocean areas or interior water bodies, such as bays, lakes and reservoirs. One of the usual solutions has been the direct usage of the method validated in ocean waters for interior waters, therefore, not taking into consideration the effect of the restriction imposed by the shores. Nevertheless, the excessive quantity of operations of the method applied to interior water bodies (where the shore is a restraint condition) may not assure a satisfactory precision degree, unless an accurate enough graphic base of the shore with the addition of the operator's subjectivity is used. Thus, this scientific community brings this discussion to light, proposing a classic solution based on the application of the adequate method to interior waters (Saville et al., 1954) via automatized processing. Therefore, a program in AutoLISP, a computational language, has been developed. The application of the program has determined the maximum wind fetches in Ilha Solteira, state of Sao Paulo, reservoir as being between 9.5 and 12.5 km, in contrast with a previous study which has predicted far longer fetches (factor of three).
引用
收藏
页码:79 / 84
页数:6
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