Geoscience Reference
In-Depth Information
Table 9.16 Parameters of the Nuoc Ngot Lagoon
Parameter
Parameter value
Area (km
2
)
14.7
Wind speed (m/s)
Average
1.9
Maximal
39.6
Air temperature (
°
C)
Average
27.0
Minimal
15.8
Maximal
39.9
Relative humidity (mb)
Average
27.9
Minimal
20.0
Maximal
32.7
Sun radiation (Kcal/cm
2
)
144
Radiation balance (Kcal/cm
2
)
92.5
Precipitation (mm/year)
Average
1692.9
Minimal
778.0
Maximal
2587.0
River runoff (average annual, m
3
/s)
5.6
Daily range of water flow rate across the boundary
Г
with sea (m
3
/s)
-
380 to +470
Upper layer temperature (
°
C)
Dry season
26
Rainy season
29
Water salinity (
‰
)
Dry season
23.5
Rainy season
33
Mouths
2.5
Tide conditions
Number of days with daily tide during month
18
−
22
0.3
−
2.0
Levels of tide (m)
Tide frequency (hours)
6
−
7
Distribution of depths (m)
Average depth
1.6
Maximal depth
9.8
Figure
9.21
explains the tide process in lagoon. It is worth to note that the values
O
1
¼ t
lhw
t
shw
and O
2
¼ t
shw
t
hwl
play signi
cant role in the lagoon evolution
(T
1
≈
13 h).
The use of ESECEZ system enables to realize the following simulation
experiments:
T
2
≈
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