News
July 24, 2014
Scintillation is what makes stars twinkle. It is what causes mirage in deserts or on hot surfaces. It is what causes shimmer underwater in the vicinity of hot vents in oceans. These effects result from temperature fluctuations in air or water. The same...
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November 11, 2013
How to Compute the Mean Particle Diameter from a LISST Volume Distribution
[Sequoia, March 26, 2010]
In the table below, the computation of the mean particle size from a LISST volume distribution is outlined.Column A is the size class...
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October 11, 2013
Is there a low velocity threshold for the LISST-SL? Does it need a minimum flow speed in order to sample? What is that?
Absolutely! The internal pump in the SL will adjust the intake velocity to match the ambient flow speed in order to make the sample...
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April 24, 2012
Updated 29 April, 2016
The loss of accuracy, i.e. error in concentration can be caused by a number of factors. Overall, the accuracy of LISST instruments is demonstrated by this vertical profile taken in a river by USGS scientists. The black points are...
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October 31, 2011
vdcorr.m
[Sequoia, October 31, 2011]
% MATLAB script to correct
% 1) vd from invert.p for the correct VCC (can be found in the
% InstrumentData.txt file or in the .LOG file for LISST-Portable and LISST-StreamSide)
% 2) vd to the laser...
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