the soc. sci., 14 (10): 356-360,...
TRANSCRIPT
The Soc. Sci., 14 (10): 356-360, 2019
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542950 543000 543050 543100
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1 746
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Unmanned aerial vehicle map area Sam Phan Bok, Ubon
Ratchathani province
Legend
Sample points
Sample grid size 10×10 m
N
W E
S
Projection ……….. UTM Zone 48N Datum ……..WGS 1984
0 20 40 80
m
(a) (b)
(a) (b)
A
B
A
C
A
B
C
C