Calibration‐free image analysis method for grain‐size distribution of small natural sand samples
Vah Mélanie,
Jarno Armelle,
Marin François
Abstract:Natural sand samples collected from bedload or suspension transport can be too small to be sieved. However, related transported mass to sediment size is crucial to calibrate sediment transport models. Image analysis technique can be an easy and cheap alternative. The present study proposes a general law valid for natural sand grains and small gravels that statistically relates elongation to flatness of particles and gives after some assumptions on grain shape and orientation of grains at the sieve mesh passage… Show more
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