Tool Name	Wind Exposition Index
Tool ID	27
Library ID	ta_morphometry
Version	1.0
Author(s)	J.Böhner, O.Conrad (c) 2015

Description

This tool calculates the average 'Wind Effect Index' for all directions using an angular step. Like the 'Wind Effect Index' it is a dimensionless index. Values below 1 indicate wind shadowed areas whereas values above 1 indicate areas exposed to wind.

Parameters

Name	Type	Identifier	Description	Constraints
Input
Elevation	grid, input	DEM
Output
Wind Exposition	grid, output	EXPOSITION
Options
Search Distance [km]	floating point number	MAXDIST		Minimum: 0.000000 Default: 300.000000
Angular Step Size (Degree)	floating point number	STEP		Minimum: 1.000000 Maximum: 45.000000 Default: 15.000000
Old Version	boolean	OLDVER	use old version for constant wind direction (no acceleration and averaging option)	Default: 0
Acceleration	floating point number	ACCEL		Minimum: 1.000000 Default: 1.500000
Elevation Averaging	boolean	PYRAMIDS	use more averaged elevations when looking at increasing distances	Default: 0