UNO experimental dataset for: Multiscale bedform reorganization at the onset of substantial suspended sediment transport

We collected data from three experiments that tracked bedform evolution in a 22-m-long, 0.56-m-wide, and 0.9-m-deep flume at the University of New Orleans' Dynamics of Sedimentation laboratory. Each experiment was run at equilibrium conditions under steady, uniform, normal flow in a fully closed system recirculating flume. All three experiments were run at 20cm mean flow depth, the same bed material sediment, but with varied discharge: 20cm 30Hz experiment at 45 L/s, 20cm 35Hz experiment at 51 L/s, 20cm 40Hz experiment at 56 L/s. We measured topography using a 3D laser scanning system along an approximately 5.5-m-long test section, with scans repeated approximately every 165 seconds. We analyzed bed topography for the 2D centerline profile at 1 mm horizontal resolution.
, , # UNO experimental dataset for: Multiscale bedform reorganization at the onset of substantial suspended sediment transport

Dataset DOI: [10.5061/dryad.gtht76j06](10.5061/dryad.gtht76j06)

## Description of the data and file structure

#### Files and variables

* 20cm_30Hz_experiment.zip
* 20cm_35Hz_experiment.zip
* 20cm_40Hz_experiment.zip
* Grain_size_analysis_reports

The data folder has three folders- one for each experiment condition (‘20cm 30Hz experiment’, ‘20cm 35Hz experiment’, and ‘20cm 40Hz experiment’) with one subfolder each titled ‘[experiment name] csvs’ in which individual variables from the .mat array are exported as .csv files. 

**Description of the data and file structure:**

20cm<experiment name>centerline.mat

This mat file contains four variables:

* *t_minutes_sorted* - vector representing the time at which the scan was captured in seconds. 
* *x *- vector representing coordinates in the longitudinal or downstream direction along the study section at 1 mm resolut...,