Quasi-Analytical Processor

Specification

The Quasi-Analytical Algorithm (QAA) was developed to derive the absorption and backscattering coefficients by inverting the spectral remote-sensing reflectance (R_rs(λ)).

The Quasi-Analytical Algorithm is a 10 step process.

Constants:

MERIS spectral ranges
Band 1	Band 2	Band 3	Band 4	Band 5	Band 6
412nm	443nm	490nm	510nm	560nm	620nm

IOPs
	410	440	450	490	510	560	620
a_w	0.00473	0.00635	0.00922	0.015	0.0325	0.0619	0.2755
bb_w	0.0033978	0.0024484	0.0022486	0.001549	0.0012992	0.0008994	0.0005996

Step 0

step 0

Step 1

step 1

Step 2

step 2

Step 3

step 3

Step 4

step 4

Step 5

step 5

Step 6

step 6

Step 7

step 7

Step 8

step 8

Step 9

step 9

Step 10

step 10