Table 9 Data dictionary for the ground penetrating radar measurements (dataset vi-b).

From: Plant traits and associated ecological data from Afromontane grasslands of Maloti-Drakensberg, South Africa

Variable name

Description

Variable type

Variable range or levels

Units

How measured

scan_file

Name of DZT file generated by the GPR

character

ROOT_PFTC7_SITE1_(nogp)_plot_e -ROOT_PFTC7_SITE4_(nogp)_plot_w

 

defined

type

The type of measurement that was taken (detect was a direct measurement; marker signals the start and end of a plot)

categorical

detect, marker

 

recorded

variable

position (m), depth (m), amplitude (dB), pixel_count (count)

character

position - pixel_count

 

defined

value

Value of root biomass mapping

numeric

0–9902

m, dB, count

measured

unit

Unit for variable values

character

m - count

 

defined

  1. Sampled on plots at different aspects on an elevation gradient in Witsieshoek, South Africa. Variable names, description, variable type, range or levels, units and short description are given for all variables. Note that variables that are shared across datasets are reported in Table 2.
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