Skip to main content Link Menu Expand (external link) Document Search Copy Copied

Global Surface Water Occurrence Change Intensity visualisation script

Download Script

General description of the script

This script visualizes the Occurrence Change Intensity layer from the Global Surface Water dataset according to the official symbology (Table 1). The Occurrence Change Intensity layer visualises changes in water occurrence between two different epochs, the first ranging from March 1984 to December 1999, and the other covering the period from January 2000 to December of the selected review year.

Table 1: Occurrence Change Intensity Symbology

Value Symbol Colour Label
0 0xff0000 -100% loss of occurrence
100 0x000000 No change
200 0x00ff00 100% increase in occurrence
253 0xffffff Not water
254 0x888888 Unable to calculate a value due to no homologous months
255 0xcccccc No data

Description of representative images

Occurrence Change Intensity layer visualisation in EO Browser for a section of the Padma River, the main distributary of the Ganges, in Bangladesh.

Occurrence Change Intensity Ganges in Bangladesh