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Marine photochemistry from space. Al...

Fichot, Cedric G.

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Marine photochemistry from space. Algorithms for the retrieval of diffuse attenuation and CDOM absorption coefficients (320-490 nm) from ocean color and estimation of depth-resolved photoproduction rates of carbon monoxide at global scales using SeaWiFS imagery.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Marine photochemistry from space. Algorithms for the retrieval of diffuse attenuation and CDOM absorption coefficients (320-490 nm) from ocean color and estimation of depth-resolved photoproduction rates of carbon monoxide at global scales using SeaWiFS imagery./
Author:	Fichot, Cedric G.
Description:	217 p.
Notes:	Source: Masters Abstracts International, Volume: 43-06, page: 2161.
Contained By:	Masters Abstracts International43-06.
Subject:	Physical Oceanography. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=MR00885
ISBN:	9780494008850

Marine photochemistry from space. Algorithms for the retrieval of diffuse attenuation and CDOM absorption coefficients (320-490 nm) from ocean color and estimation of depth-resolved photoproduction rates of carbon monoxide at global scales using SeaWiFS imagery.
Fichot, Cedric G.

Marine photochemistry from space. Algorithms for the retrieval of diffuse attenuation and CDOM absorption coefficients (320-490 nm) from ocean color and estimation of depth-resolved photoproduction rates of carbon monoxide at global scales using SeaWiFS imagery. - 217 p.

Source: Masters Abstracts International, Volume: 43-06, page: 2161.

Thesis (M.Sc.)--Dalhousie University (Canada), 2005.

A description of depth-resolved photoproduction rates within the surface layer of natural waters requires knowledge of the coefficients of diffuse attenuation, Kd(lambda), and CDOM absorption, ag(lambda), in the UV and blue domains of natural light. For this reason, first we develop, test and validate two improved and ready-to-use algorithms for monitoring these quantities from measurements of remote sensing reflectance Rrs(lambda) measured at SeaWiFS compliant wavebands (= ocean color). A principal component analysis performed on the Rrs(lambda) data allows us to define four new orthogonal dimensions of ocean color which are used as predictors in multiple linear regressions of Kd(lambda) at 320, 340, 380, 412, 443 and 490nm.

ISBN: 9780494008850Subjects--Topical Terms:

1019163
Physical Oceanography.

Marine photochemistry from space. Algorithms for the retrieval of diffuse attenuation and CDOM absorption coefficients (320-490 nm) from ocean color and estimation of depth-resolved photoproduction rates of carbon monoxide at global scales using SeaWiFS imagery.
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100 1 $a Fichot, Cedric G. $3 1913088
245 1 0 $a Marine photochemistry from space. Algorithms for the retrieval of diffuse attenuation and CDOM absorption coefficients (320-490 nm) from ocean color and estimation of depth-resolved photoproduction rates of carbon monoxide at global scales using SeaWiFS imagery.
300 $a 217 p.
500 $a Source: Masters Abstracts International, Volume: 43-06, page: 2161.
500 $a Adviser: William Miller.
502 $a Thesis (M.Sc.)--Dalhousie University (Canada), 2005.
520 $a A description of depth-resolved photoproduction rates within the surface layer of natural waters requires knowledge of the coefficients of diffuse attenuation, Kd(lambda), and CDOM absorption, ag(lambda), in the UV and blue domains of natural light. For this reason, first we develop, test and validate two improved and ready-to-use algorithms for monitoring these quantities from measurements of remote sensing reflectance Rrs(lambda) measured at SeaWiFS compliant wavebands (= ocean color). A principal component analysis performed on the Rrs(lambda) data allows us to define four new orthogonal dimensions of ocean color which are used as predictors in multiple linear regressions of Kd(lambda) at 320, 340, 380, 412, 443 and 490nm.
520 $a On top of revealing the spatio-temporal variability in CO photoproduction we also provide some new insights regarding its correlation to causative underlying optical properties. Finally, we estimated that the global yearly depth-integrated CO photoproduction is of the order of &sim;38--57TgC - CO.yr-1, in excellent agreement with the results of Zafiriou et al. (2003) (30--70TgC - CO.yr-1) and confirming marine photochemistry as a minor source of CO to the atmosphere. (Abstract shortened by UMI.)
590 $a School code: 0328.
650 4 $a Physical Oceanography. $3 1019163
650 4 $a Remote Sensing. $3 1018559
690 $a 0415
690 $a 0799
710 2 0 $a Dalhousie University (Canada). $3 1017625
773 0 $t Masters Abstracts International $g 43-06.
790 1 0 $a Miller, William, $e advisor
790 $a 0328
791 $a M.Sc.
792 $a 2005
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=MR00885