ESRI
These ramps can be used to symboliqe continuous data that relates to environmental events such as active events like fires; gradual events like desertification, seasonal event shifts and water events related to water direction currents and velocity.
current dir 0
current dir 1
current dir 2
current dir 3
current dir 4
current velocity 1
current velocity 2
current velocity 3
desertification 0
desertification 1
desertification 2
desertification 3
desertification 4
desertification 5
dry wet 1
dry wet 2
dry wet 3
dry wet 4
fire active 1
fire active 2
fire active 3
global warming