Methods
The following macro modeler depicts the creation of three factors that will be used in the final analysis: (i) exposure, (ii) ocean_dist, and (iii) floodplain. 
Exposure to the dominant wind direction with low values equating to a high exposure.
Distance from the ocean in meters
Fraser River floodplane as defined by a cost analysis in meaningless units
Temperature, precipitation, and snowfall factors were converted from point data to being representative of the whole region by using linear regression equations. These equations were created based on there conditions that were elevation, distance from the ocean, and distance from the mountains (defined as any area over 1000m). Elevations are given in the gvrd_dem, distance from the ocean was created above, and distance from the mountains was created using the following steps.
The location of each weather station was then overlayed on each of the conditions to obtain values using the curser inquiry mode. Elevation values were previously obtained from the Enviornment Canada website.
Distance from ocean with weather stations
Distance from mountains with weather stations
Using the 'multireg' and 'image calculator' features in Idrisi, the following equations and images were then produced
Temperature
Precipitation
Snow
ID |
Elevation (m) |
Location |
Distance from ocean (m) |
Distance from mountains (m) |
1 |
365.8 |
SFU |
997 |
9403 |
2 |
50 |
Cloverdale |
21395 |
26286 |
3 |
2.4 |
Tsawwassen |
218 |
218 |
4 |
76 |
Fort Langley |
41966 |
15335 |
5 |
147 |
Haney |
19362 |
7599 |
6 |
1127.8 |
Grouse mtn |
6219 |
510 |
7 |
182.9 |
N.Vancouver |
5118 |
2131 |
8 |
5 |
Pitt Meadows |
13226 |
14131 |
9 |
129.5 |
Port Moody |
1274 |
7972 |
10 |
0 |
Sandheads |
0 |
30563 |
11 |
4.3 |
YVR |
1860 |
20164 |
12 |
168 |
W.Vancouver |
1505 |
3537 |
13 |
13 |
White Rock |
21675 |
35501 |