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Q: How is the secchi disk used in measuring water clarity?
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What does it mean when a scientist says a lake has high turbidity?

Turbidity is the cloudiness that is sometimes seen in water. It is caused by very small particles of clay, silt or organic material in the water. To say water is highly turbid means it is very cloudy. Turbidity is measured either in the lab by measuring how much light is decreased as it passes through a water sample or in the field by dropping a Secchi disk into the water and measuring how far down it can be seen.


What has the author L M Fuller written?

L. M. Fuller has written: 'Predicting lake trophic state by relating Secchi-disk transparency measurements to Landsat-satellite imagery for Michigan inland lakes, 2003-05 and 2007-08' -- subject(s): Secchi disks, Landsat satellites, Remote sensing, Measurement, Water quality, Lakes 'Predicting water quality by relating secchi-disk transparency and chlorophyll a measurements to satellite imagery for Michigan inland lakes, August 2002' -- subject(s): Environmental aspects of Lakes, Lakes, Remote sensing, Water quality


Is the photic zone two times secchi depth?

Yesterday I measured Secchi disk transparency and compared that with simultaneous photometer measurements in a subtropical estuary. The lower border of the photic zone (1% of surface irradiance) according to my YSI photometer was at a depth of 4.7 m , while Secchi reading was at 1.6 m. Multiplying 1.6 by 2 gives 3.2, which is significantly lower than 4.7 m. Before that observation I believed in the "double-Secchi rule".


Is water a transluscent?

Basically we See that water creates shadow so we conclude that it is opaque but we can c through the water also so it is transparent also .We shadow of water coz when water runs it made up of bubbles and a bubble has a curved surface so when light strikes the curved surface refraction takes place so there is a formation of shadow


Why does your water meter make a loud ticking sound?

Mine doesnt but yours might because the spinning disk inside for measuring water is hitting something.


How do I test the speed of my external hard disk?

You can test the speed of an external hard disk by transferring a large file to it and measuring how long it takes. This will provide an accurate measurement of how fast it can transfer data.


What measuring tools do mechanics use?

Tape measures Calipers Tachometer (measures the rotation speed of a shaft or disk, as in a motor or other machine


Is it OK to wipe a playstation 3 game off with water?

you can but you need to use a special disk cleaner dont apply too much water or it will destroy the disk


What disk limits disk space usage to user?

The disk size is defined by the manufacturer. You can't store more information than the disk can hold, just like you can't store more water in a jar that it can hold.


Is the disk diffusion technique measuring bateriostatic or bactericidal activity?

The disk diffusion technique measures bacteriostatic activity by utilizing certain triggers and tape measures that record whenever there is any noise or wavelengths emitted from the receiving end of the device.


Why is an ocean called an ocean?

Early inhabitants of the world pictured the Earth (Europe and Asia) as a vast continent on a flat disk. The continent was surrounded by water. The Greeks named this water "okeanos", the great stream of water encircling Earth's disk.


How much toothpaste do you put on an Xbox disk?

none you put water!!!