Reading/Reflection exercise on case study, potential of using RS for WP analysis

Based on the paper by Karimi et al. (2019) below, discuss the following topics:

  1. Which of the performance indicators discussed in the paper are you familiar with? is there an unfamiliar indicator? 
  2. Define the bright spots and hot spots.
  3. How do the authors identify the bright spots?
  4. What additional indicators or criteria do you suggest identifying bright spots? or which indicator/s would you consider dropping?

The reference by Karimi et al. (2019) is on Global Satellite-Based ET Products for the Local Level Irrigation Management: An Application of Irrigation Performance Assessment in the Sugarbelt of Swaziland. Download it from here