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What is a shape model and which should I choose?

September 23, 2013

For the LISST-100X and LISST-Portable particle sizers, the user has an option to choose between two different shape models for inverting the scattering pattern into a size distribution. The two models are called Spherical and Randomly shaped particles. The...

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LISST-Portable and Stormwater

May 16, 2012

  LISST-Portable used by USGS in stormwater research [Sequoia, May16, 2012] Sequoia’s LISST-Portable is used for stomwater research by Bill Selbig with the USGS Water Science Center in Wisconsin. He is featured in an article...

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Accuracy of Concentration Measured by LISST’s

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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getscat_lp_lss.m

October 31, 2011

getscat_lp_lss.m [Sequoia, October 31, 2011] % Function to get the scattering from LISST-Portable / LISST-StreamSide % data file. Assumes files are in % LISST-Portable or LISST-StreamSide format with zscat data in columns % 41:80 %...

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vdcorr.m

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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