Validation of SeaWiFS data from around New Zealand

The near-surface concentration of chlorophyll- a ( C a ) was measured during 11 research voyages around New Zealand between 1998 and 2000. Over 400 measurements of spectral normalised water-leaving radiance were made using a high precision profiling spectroradiometer. The data were used to assess th...

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Bibliographic Details
Published inAdvances in space research Vol. 33; no. 7; pp. 1160 - 1167
Main Authors Richardson, K.M., Pinkerton, M.H., Boyd, P.W., Gall, M.P., Zeldis, J., Oliver, M.D., Murphy, R.J.
Format Journal Article
LanguageEnglish
Published Elsevier Ltd 2004
Subjects
Bio-optical algorithm
Chlorophyll- a
Ocean colour
Remote sensing
Subtropical Front
Validation
PSE, New Zealand
Validation
Subtropical Front
Chlorophyll- a
Bio-optical algorithm
Ocean colour
Remote sensing
Online AccessGet full text
ISSN0273-1177
1879-1948
DOI10.1016/S0273-1177(03)00367-3

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Summary:The near-surface concentration of chlorophyll- a ( C a ) was measured during 11 research voyages around New Zealand between 1998 and 2000. Over 400 measurements of spectral normalised water-leaving radiance were made using a high precision profiling spectroradiometer. The data were used to assess the quality of remotely sensed measurements of C a by the NASA ocean colour sensor, SeaWiFS, in New Zealand waters. The results in the open-ocean regions are consistent with a combination of negative biases in the C a algorithm of ca. 20% (some regional dependency), and positive biases due to under-estimation of water reflectance towards the blue end of the spectrum by SeaWiFS.
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ISSN:0273-1177
1879-1948
DOI:10.1016/S0273-1177(03)00367-3