PAR transmittance through thick, clear freshwater ice

被引：11

作者：

Bolsenga, SJ

Evans, M

Vanderploeg, HA

Norton, DG

机构：

[1] GREAT LAKES ENVIRONM RES LAB,ANN ARBOR,MI 48105

[2] NATL HYDROL RES INST,SASKATOON,SK S7N 3H5,CANADA

来源：

HYDROBIOLOGIA | 1996年 / 330卷 / 03期

关键词：

ice PAR transmittance; freshwater ice; winter ecology;

D O I：

10.1007/BF00024210

中图分类号：

Q17 [水生生物学];

学科分类号：

071004 ;

摘要：

Measurements of photosynthetically active radiation through clear freshwater ice 154-158 cm thick varied from 14.8 to 24.8% depending, in this case, primarily on the amount of flocullent material trapped within the ice. Transmittance in one area dropped to less than 1% with the presence of a 3 cm thick snow cover. Extinction coefficients varied from 0.014 to 0.010 cm(-1).

引用

页码：227 / 230

页数：4

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