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Relações entre chuvas intensas, vazões máximas e sedimentação do ribeirão Itaim, Taubaté,SP

i= n

c t

KT ) (

3

+

0,0 0,2 0,4 0,6 0,8 1,0 1,2 1,4 1,6 1,8 2,0

0,1 1,1 2,1 3,1 4,1 5,1 6,1

Q (m³/s )

H ( m )

10 100 1000 10000

1 10 100 1000 10000

(t+20)min

C (a d m e n s io n a l)

C 7

C 6

C 5

C 4

C 3

C 2

C 1

C = 1709T 0,176 R 2 = 0,98

1000 10000

1 10 100 1000

Tempo de Retorno (anos)

C (a dm en si on al )

Q = 0,0041 h + 0,2317 R 2 = 0,56

n = 27

0,0 0,5 1,0 1,5 2,0 2,5 3,0

0 100 200 300 400

Chuvas totais mensais h (mm)

V az õ es m éd ia s m en sa is Q (m 3 /s )

qs = 101,03 Q +113,7 R 2 = 0,19

n = 29

0 50 100 150 200 250 300 350 400 450

0,0 0,5 1,0 1,5 2,0

Vazão Q (m ³/s )

C o n ce n tr aç ão q s (m g /L )

Qs = 1,4648 Q 1,1015 R 2 = 0,73

n = 63

1000 10000 100000 1000000

100 1000 10000 100000

Vazão líquida Q (m³/h)

V az ão só lid a Q s (k g /d ia )

qs = 3,6097 i + 112,9 R 2 = 0,23

n = 67

0 100 200 300 400 500 600 700 800

0 20 40 60 80

Intensidade de chuva i (m m /h) C o n c e n tr a ç ã o d e s e d im e n to s q s (m g /L )

Q = 0,1455 i + 1,90 R 2 = 0,23

n = 67

0 1 2 3 4 5 6 7 8

0 10 20 30 40 50 60 70

Inte ns idade de chuvas i (m m /h)

V az ão Q (m 3 /s )

i= _n

C = 1709T ^0,176 R ² = 0,98

Q = 0,0041 h + 0,2317 R ² = 0,56

qs = 101,03 Q +113,7 R ² = 0,19

Qs = 1,4648 Q ^1,1015 R ² = 0,73

qs = 3,6097 i + 112,9 R ² = 0,23

Q = 0,1455 i + 1,90 R ² = 0,23