Table 3.2.
Physiographic and hydrological characteristics of lagoons in southeastern Brazil, including runoff ratio, discharges due to river runoff QR' direct rainfall Qp,
tidal flushing IQTI, inflow from landward lagoons Qx,and flushing half life. Thus the large Qx value for the Patos L. estuary includes the drainage into both Patos L.
and L.Mirim
Lagoon system/lagoon
Lag.
Drain.
Depth
Tide
Rain
Temp
Typical
M/r
QR
Qp
Qr
Qx
Tso%
area
area
range
salinity
(km 2
)
(km 2
)
(m)
(m)
(myr- 1
)
ee)
(%0)
H
(m3 s-1) (m3 s- 1
)
(m 3
s- 1
)
(m3 s- 1
)
(d)
Araruama L.
210
285 3
0.01
0.93
24
52
0.11
47
3
84
Saquarema
Flora L.
7
47
0.04
l.30
24
15
0.20
0
0
6
2
7
Urussanga
L.
13
214
0.01
l.30
24
6
0.20
2
1
3
0
22
Marica-Guarapina
Guarapina
L.
7
70
0.03
l.30
24
17
0.20
1
0
5
2
7
Marica
L.
17
280
0.01
l.30
24
5
0.20
2
1
4
0
28
Piratininga-Itaipu
Itaipu
L.
2
23
0.30
lAO
24
27
0.22
0
0
13
0
1
Piratininga L.
3
22
0.01
lAO
24
17
0.22
0
0
1
0
16
Jacarepagua-Marapendi
L. Jacarepagua
8
287
2
0.10
1.50
15
20
0.26
4
0
18
0
5
Marapendi L.
4
8 1
0.02
l.50
20
15
0.26
0
0
2
0
15
L. Cananeia-Iguape
115
600 4
0.70
2.27
21
20
OA5
19
8
1800
0
2
Concei.;ao
L.
19
45 2
0.05
2.16
21
19
OA3
1
1
21
0
11
Patos-Mirim
Patos estuary
900
100 3
0.10
1.20
20
18
0.24
1
34
2013
3712
3
Patos
L.
9330
136700 5
0.00
1.75
20
0
0.37
3012
518
0
700
82
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