Update of the Quasi-Analytical Algorithm (QAA v6) - IOCCG

Update of the Quasi-Analytical Algorithm (QAA_v6)

rrs() = Rrs()/(0.52 + 1.7 Rrs())

u() g0

g0 2

2g1

4g1 *

rrs ()

,

where

g0=0.089

and

g1=0.1245

IF Rrs(670) < 0.0015 sr-1 (QAA_v5)

(else)

2

log

rrs (443) rrs (490)

rrs

(55x)

5

rrs rrs

(670) (490)

rrs

(670)

a(0) a(55x) aw(0) 10h0h1 h2 2

a(0) a(670)

aw

(670)

0.39

Rrs(670) Rrs(443) Rrs(490)

1.14

3 4 5 6 7 & 8

bbp (0 )

bbp (55x)

u(0 ) a(0) 1 u(0 )

bbw (55x)

bbp (0 )

bbp (670)

u(0 ) a(0 ) 1 u(0 )

bbw (670)

2.0

1 1.2

exp

0.9

rrs rrs

(443) (55x)

bbp

bbp

0

0

a 1 ubbw bbp/ u

0.74

0.8

rrs

0.2

443

/

rrs

55x

9 & 10

eS442.5415.5, S 0.015

0.002

0.6 rrs (443) / rrs (55x)

a g

443

a412 a443

aw

412aw 443

adg ag 443 eS(443) , aph a adg aw443

1

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