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NATURAL
TERRAIN IN HONG KONG
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Detailed mapping of
boulder fields on Happy Valley
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| NAME |
AREA (m²) |
BOULDER DENSITY
|
BOULDER SIZE
|
BOULDER TYPE
|
BOULDER SHAPE
|
CORESTONE
OR TOR
|
COLLUVIAL
BOULDER FIELD
|
CLIFF
OR ROCK OUTCROP
|
SCREE
OR TALUS DEPOSIT
|
556
|
121295.891
|
20-50%
|
<2m
wide
|
0%
|
0%
|
20%
|
80%
|
angular
|
439
|
83937.094
|
20-50%
|
<2m
wide
|
0%
|
0%
|
30%
|
70%
|
angular
|
441
|
25719.098
|
20-50%
|
<2m
wide
|
0%
|
0%
|
20%
|
80%
|
angular
|
440
|
28685.965
|
10-20%
|
2-5mwide
|
0%
|
20%
|
30%
|
50%
|
angular
|
442
|
22972.184
|
10-20%
|
2-5m
wide
|
0%
|
0%
|
50%
|
50%
|
angular
|
522
|
52211.871
|
50-75%
|
>5m
wide
|
0%
|
0%
|
0%
|
100%
|
angular
|
518
|
14216.853
|
<10%
|
<2m
wide
|
0%
|
0%
|
30%
|
70%
|
angular
|
448
|
25725.613
|
10-20%
|
2-5m
wide
|
0%
|
0%
|
50%
|
50%
|
angular
|
521
|
25640.650
|
50-75%
|
>5m
wide
|
0%
|
0%
|
10%
|
90%
|
angular
|
427
|
43701.066
|
10-20%
|
<2m
wide
|
0%
|
0%
|
30%
|
70%
|
angular
|
449
|
53517.516
|
<10%
|
<2m
wide
|
0%
|
0%
|
100%
|
0%
|
angular
|
435
|
52757.371
|
<10%
|
2-5m
wide
|
0%
|
0%
|
70%
|
30%
|
angular
|
519
|
30715.998
|
10-20%
|
<2m
wide
|
0%
|
0%
|
30%
|
70%
|
angular
|
438
|
93869.133
|
10-20%
|
<2m
wide
|
0%
|
0%
|
0%
|
100%
|
angular
|
249
|
24212164.000
|
>75%
|
>5m
wide
|
0%
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0%
|
0%
|
100%
|
angular
|
|
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© Copyright 2004 Civil Engineering and Development Department. All rights reserved. |
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