log (H/U 3
)
H 2 .0 ~< 2.5
H
U

E d 4 ¨l2 /
¬ 2
E
¨
l
Ä C
Ä uC
Ä vC
Ä xC
Ä
Ä C
+ + + = (k )
Ä t
Ä x
Ä y
Ä z
Ä x
x
Ä x
Ä
Ä C
Ä
Ä C
+ (k ) + (k ) + C + C + C
Ä y
y
Ä y
Ä z
z
Ä z
s
b
k

kx
ky
kz
x

y
z
C s

C b

C k

Ä u
Ä v
Ä w
+ + = 0
Ä x
Ä y
Ä z
Ä u
Ä uu
Ä uv
Ä uw
1
Ä p
+ + + = fv -
Ä t
Ä x
Ä y
Ä z
-
Ä x

1
 Ä ®x x
Ä ¯x y
Ä ¯x z
 +  + + 
= 0
-
 Ä x
Ä y
Ä z
 Ä v
Ä v u
Ä v v
Ä v w
1
Ä p
+ + + = - fu -
O
Ä t
Ä x
Ä y
Ä z
-
Ä y
2

1
 Ä ¯y x
Ä ®y y
Ä ¯y z
 +  + + 
= 0
-
 Ä x
Ä y
Ä z
 Ä p
+ -g = 0
Ä z

t
x
y
z
N1
u
v
w
x
y
z
p
g
-
f
D O2
H
*






= K2
(O2
- O2
) H - K1
L H - K4
- 5
ž1
N1
H
®x x
¯x y
¯x z
¯y x
®y y
¯y z
D t
x - z
y - z

-
O 2
H

K 2
L

- = -0
(1 + S )
K 1

*
O 2

S

-0
K 4

5

C
N 1
K 4
5

K 2

0 .5
(D m
U )
K 2
=
H 1 .50

K 2
U
H

D m

3
T -20
D m
= 1.91 × 10 (1.037 )

T

*
2
O 2
= 14.6244 - 0.367134T + 0.0044972 T - 0.0966S
+ 0.00205 S T + 0.0002739 S 2

T
S

D A H
= (¨ - R - G ) A H
D t

A
¨
R
G

×
ˆx
ˆy

1

1

2 2 OBSERVED T1 T3 OBSERVED SIMULATED 1.5 1.5 SIMULATED

1 1 ) ) m m ( (

0.5 0.5 N N O O I I T 0 T 0 A A V V E -0.5 E -0.5 L L E E -1 -1

-1.5 -1.5

-2 -2 10 20 30 40 50 10 20 30 40 50 ELAPSED TIME (hrs) ELAPSED TIME (hrs)

2 2 T4 OBSERVED T6 OBSERVED 1.5 SIMULATED 1.5 SIMULATED

1 1 ) ) m m ( (

0.5 0.5 N N O O I I

T 0 T 0 A A V V

E -0.5 E -0.5 L L E E -1 -1

-1.5 -1.5

-2 -2 10 20 30 40 50 10 20 30 40 50 ELAPSED TIME (hrs) ELAPSED TIME (hrs)

NORTH COMP. (cm/s) NORTH COMP. (cm/s) 40 40 1/2 DIURNAL 1/2 DIURNAL C2 : OBSERVED DIURNAL C2 : SIMULATED DIURNAL 30 RESIDUAL 30 RESIDUAL

20 20 E E A A S S

10 T 10 T

C C O O 0 M 0 M P P . .

-40 -30 -20 -10 0 10 20 30 40 ( -40 -30 -20 -10 0 10 20 30 40 ( c c m m -10 -10 / / s s ) )

-20 -20

-30 -30

-40 -40

NORTH COMP. (cm/s) NORTH COMP. (cm/s) 10 10 1/2 DIURNAL 1/2 DIURNAL C4 : OBSERVED DIURNAL C4 : SIMULATED DIURNAL RESIDUAL RESIDUAL

5 5 E E A A S S T T

C C O O 0 M 0 M P P . .

-10 -5 0 5 10 ( -10 -5 0 5 10 ( c c m m / / s s ) )

-5 -5

-10 -10 CHANGWON CHANGWON

MASAN MASAN

0 5 10km JINHAE 0 5 10km JINHAE

0.5 m/s 0.5 m/s

GOSEONG GOSEONG

GEOJEDO GEOJEDO TONG TONG YEONG YEONG

CHANG WON

M ASAN

0 5 10km JINHAE

0.1 m/s

GOSEONG

GEOJEDO TONG YEONG CHANGW ON

MASAN 5.2 m/s

0 5 10km JINHAE

0.1 m/s

GOSEONG

GEOJEDO TONG YEON G

CHANG WON

MASAN 5.6 m/s

0 5 10km JIN HAE

0.1 m/s

GOSEONG

GEOJEDO TONG YEON G Season Source Spring Summer Autumn Winter JH_1 495.3 790.7 323.0 219.3 CW_1 553.7 884.3 360.7 245.3 MS_1 334.0 517.7 211.3 143.3 MS_2 200.0 200.0 200.0 200.0 MS_3 896.0 1430.3 584.0 396.7 GS_1 879.7 1741.0 639.7 443.3 TY_1 171.7 339.0 124.7 86.3 GJ_1 1220.0 2037.2 542.7 424.0

Wind speed and its direction for four seasons 4.6 m/s 5.2 m/s 4.2 m/s 5.6 m/s Spring Summer Autumn Winter (157.5°) (135.0°) (292.5°) (315.0°) Initial values for each season at each grid in the computational domain Temp. Sal. DO COD NH +－N NO -－N NO －－N Chl_a Season 4 2 3 (℃) (psu) (mg･l-1) (mg･l-1) (mg･l-1) (mg･l-1) (mg･l-1) (mg･l-1) Spring 18.2 29.6 9.0 2.78 0.018 0.010 0.125 0.00961 Summer 26.7 22.1 8.3 2.56 0.087 0.018 0.230 0.01370 Autumn 15.8 31.9 9.4 1.75 0.078 0.010 0.080 0.00319 Winter 5.3 32.5 10.6 1.88 0.068 0.010 0.130 0.00142 Pollutant loads from the source + - － Temp. Sal. DO COD NH4 －N NO2 －N NO3 －N Chl_a Source (℃) (psu) (mg･l-1) (mg･l-1) (mg･l-1) (mg･l-1) (mg･l-1) (mg･l-1) JH_1 23.6 8.5 7.2 1.80 1.913 0.001 8.471 0.001 CW_1 21.8 8.5 4.2 56.90 1.955 0.790 29.437 0.015 MS_1 21.4 8.5 6.0 30.57 0.678 0.140 19.994 0.015 MS_2 24.0 8.5 9.8 19.30 0.988 0.001 21.412 0.015 MS_3 24.1 8.5 3.1 12.10 0.540 0.800 20.450 0.001 GS_1 25.1 8.5 11.0 33.40 0.887 0.001 3.418 0.001 TY_1 21.0 8.5 9.9 4.40 0.444 0.033 3.352 0.001 GJ_1 22.3 8.5 10.4 8.10 0.311 0.053 4.371 0.015 ST UDY ARE A MS_1 GW_1 CHANGWON

10' N MASAN A

B JINHAE JH_1 MS_3 MS_2

GS_1

D GOSEONG C 35캮 Chilchundo E

F Gajodo

G

TY_1 GJ_1

C6 GEOJEDO 50' N TONG YEONG

40' N Observed Station 0 5 10km

128? 0' N 45' N

Items Case/Station A B C D E F G DO Observed 7.3 7.0 9.0 6.4 7.3 8.2 4.2

(mg l-1) Computed 2.8 2.9 9.1 5.8 6.9 3.6 4.0

Chl_a Observed 1.3 1.7 0.008 0.12 0.05 0.25 6.0 (mg l-1) Computed 1.5 0.6 0.007 0.14 0.05 0.28 5.0 CHANGWON

MASAN 5.2 m/s Unit (mg/l) 0 5 10km JINHAE 15 14 13 12

GOSE ONG 11 10 9 8 7 6 GEOJE DO 5 TON G 4 YEONG 3 2 1 0 CHANGWON

MASAN 5.2 m/s Unit (mg/l) 0 5 10km JINHAE 15 14 13 12

GOSE ONG 11 10 9 8 7 6 GEOJE DO 5 TON G 4 YEONG 3 2 1 0

CHANGWON

MASAN 5.6 m/s Unit (mg/l) 0 5 10km JINHAE 15 14 13 12

GOSE ONG 11 10 9 8 7 6 GEOJE DO 5 TON G 4 YEONG 3 2 1 0 CHANGWON

MASAN 5.2 m/s Unit (mg/l) 0 5 10km JINHAE 5 1 0.5 0.1 GOSEONG 0.09 0.08 0.07 0.06 0.05 0.04 G EOJED O 0.03 TONG 0.02 YEONG 0.01 0.005 0.003 0.001

CHANGWON

MASAN 5.6 m/s Unit (mg/l) 0 5 10km JINHAE 0.5

0.1

0.09

GOSEONG 0.08 0.07

0.06

0.05

0.04

0.03 G EOJED O TONG 0.02 YEONG 0.01 0.005

0.003

0.001 CHANGWON

MASAN 5.2 m/s Unit (mg/l) 0 5 10km JINHAE 5 1 0.5 0.1 GOSEON G 0.09 0.08 0.07 0.06 0.05 0.04 G EOJED O 0.03 TONG 0.02 YEONG 0.01 0.005 0.003 0.001

CHANGWON

MASAN 5.6 m/s Unit (mg/l) 0 5 10km JINHAE 0.5

0.1

0.09

GOSEONG 0.08 0.07

0.06

0.05

0.04

0.03 G EOJED O TONG 0.02 YEONG 0.01 0.005

0.003

0.001