Andrew J. Neverman

4 Questions 5 Answers 0 Followers

Questions related from Andrew J. Neverman

Quantifying turbulence from instantaneous velocity?

Hi, I am looking for a metric to use to quantify turbulence in a gravel-bed reach. I have recorded instantaneous point velocities at 1 second intervals with an ultrasonic sensor, so there is no...

04 April 2017 5,268 2 View

What software is available for the segmentation and delineation of gravel clasts from 3D point clouds?

I would like to use 3D point clouds to derive the a, b, and c axis length of clasts on a gravel bar. What software is available to delineate clast boundaries, and measure the delineated...

02 February 2015 4,659 5 View

Where can I find a pressure differential sensor for stream flows?

I'm after a sensor to measure the difference in pressure between two areas of flow. Can anyone direct me to a sensor I can buy, or schematics to construct one? I want to measure the difference in...

12 December 2014 5,500 8 View

Where can I buy geophones?

I am after some cheap geophones. They do not need to be highly accurate, and can be horizontal or vertical. Looking for 10 Hz geophones in particular. Thanks

12 December 2014 3,776 7 View