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Random - Sampling Techniques
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Sampling Techniques
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A Secchi disk can be used to measure the transparency of a lake, river, or ocean. Here, the Secchi disk is being used to measure transparency in the upper reaches of Lake Powell near the Colorado River.
Photo Details
Wayne Wurtsbaugh
Limnologist
See all User Photos
Registered: January 2000
Posts: 577
Date:
April 2, 2003
Views:
41,087
Filesize:
17.2kb, 20.0kb
Dimensions:
766 x 1199
Keywords:
secchi
transparency
water
clarity
lake
powell
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