Table 2 The input data for the first phase of the fuzzy model.

From: Applying the fuzzy distinction method to analyze the precautionary area of the wind farm along the western coast of Taiwan

Parameters

(Units)

Description

Values

Membership functions

Wind speed

(m/s)

The min, average, and max wind speed.

2.62

Light

5.75

Moderate

6.85

Gale

Wind direction

(degrees)

The min, average, and max wind direction (Based on the vessel’s heading, the range extends from 0 to 90 degrees).

0

Small

44.61

Medium

89.32

Large

Ocean depth

(meters)

The min, average, and max ocean depth.

2

Shallow

42.11

Moderate

63

Deep

Ocean currents

(knots)

The min, average, and max ocean currents.

0.3

Light

0.44

Moderate

0.6

Fresh

Protected area

(meters)

The min, average, and max distance to ecological protected area.

304.6

Close

14924.2

Moderate

41579.6

Far

Fishery

(classes)

The min, average, and max fishery data (Use the KDE function in MGIS to classify the data).

1

Sparse

3.79

Moderate

23

Dense

Traffic density

(classes)

The min, average, and max traffic density (Use the KDE function in MGIS to classify the data).

1

Sparse

2.35

Moderate

23

Dense

Distance to OWF

(meters)

The min, average, and max distance to OWF.

47.7232

Close

7675.17

Moderate

23786.3

Far