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SEAWIFSSea-viewing Wide Field of View Sensor
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To assess using SeaWiFS and MODIS data for validation of NNs trained on VIIRS data and evaluate the differences between the two sensors, we compared MODIS data with VIIRS data during their overlap period (2012 to 2014) and MODIS data with SeaWiFS data during that overlap period (2005 to 2010).
[9] Eplee RE, Robinson WD, Bailey SW, Clark DK, Werdell PJ, Wang M, Barnes RA, McClain CR (2001) Calibration of SeaWiFS. II.
In addition, the area of greatest productivity of the HCLME (Northern Central Peru) and the simulated distribution of the 1 mg Chl/[m.sup.3] isoline, used as a proxy to define the upwelling area (Nixon & Thomas 2001), follows the annual pattern observed in SeaWiFS data.
SeaWIFS images have the advantage of high spatial resolution of about 1 km.
Satellite derived (4 km and 9 km spatial resolution SeaWIFS and MODIS Aqua) monthly Level-3 products for sea surface temperature and chlorophyll-n concentration are avail able from the National Aeronautics and Space Administration (NASA) Ocean Color Group (
SeaWiFS satellite sensing shows that the global conversion of C[O.sub.2] to biomass is ~2 x [10.sup.17] g annually (i.e., about twice 105Gtons of C net primary production [107]), so Earth's entire biosphere uses energy at the rate of ~[10.sup.21] erg/s [108, 109].
Eiras Garcia, "Chlorophyll-a variability off Patagonia based on SeaWiFS data," Journal of Geophysical Research C: Oceans, vol.
As a proxy of local eutrophication in the study area, the long-term average and maximum of surface chlorophyll a values obtained from SeaWiFS chlorophyll composites were used.
The ocean data was collected in late September and early October 1997 by NASA's Seaviewing Wide Field-of-view Sensor (SeaWiFS) satellite.