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4 Capabilities of Current and Planned Ocean Color Sensor Missions
Pages 46-57

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From page 46...
... satellite ocean color data streams for (1) coastal and other a nd Moderate Resolution Imaging Spectroradiometer applications, (2)
From page 47...
... Future sensors are shown having bitmap or are added to changes in funding either a five- or seven-year lifetime, according to their individual specifications. CZCS: Coastal Zone Color Scanner; OCTS: Ocean Color and Temperature Scanner; SeaWiFS: Sea-viewing Wide Field-of-view Sensor; OCM/OCM-2: Ocean Colour Monitor; MODIS-Terra/MODISAqua: Moderate Resolution Imaging Spectroradiometer on Terra/Aqua, respectively; MERIS: Medium Resolution Imaging Spectrometer; GLI: Global Imager; VIIRS: Visible Infrared Imager Radiometer Suite; OLCI: Ocean Land Colour Instrument onboard Sentinel-3; PACE: Pre-Aerosol-Clouds-Ecosystem; GCOM-C: Global Change Observation Mission for Climate Research; JPSS: Joint Polar Satellite System.
From page 48...
... at 10 nm sensors of that type and because our goal is to assess options sensing of coastal and shallow water habitats. For example, to ensure continuity in global ocean color data.
From page 49...
... agencies are listed in white fields, from the European Space Agency in purple, from India in teal-colored fields, and from the Japanese space agency in blue. SOURCE: Adapted from National Oceanic and Atmospheric Administration's Report, Ocean Color Satellite Continuity Mitigation Plan Revision 2, Final Report .
From page 50...
... Although the MERIS mission is not designed to use MERIS data have been used in particular in producing lunar looks for stability monitoring, its approach of using the multi-sensor global GlobColour merged data products dual solar diffusers appears to be adequate to monitor the (Maritorena et al., 2010)
From page 51...
... that has not exceeded its design life, negotiating data access (Siegel and Yoder, 2007) from the Indian Space Agency is the only option to avoid losing near-term access to ocean color data, if the older sensors The second option was not pursued.
From page 52...
... It is our expectation that the optical cross-talk that is Although the committee is pleased that JPSS plans a a result of defects in the VIIRS Integrated Filter Assembly vicarious calibration program to address ocean color issues (IFA) will be corrected for the second VIIRS sensor.
From page 53...
... Besides calibrating the sensor with for obtaining ocean color CDRs from VIIRS/NPP is to solar and lunar views and MOBY match-ups, it collected and i mplement a vicarious calibration program based on archived a global dataset of in situ data to ground-truth the MOBY match-ups and to monitor sensor stability with a satellite products. In addition, the program was very successmonthly lunar look.
From page 54...
... program to cover the full range of global ocean conditions. Conclusion: The VIIRS sensor on NPP continues to ENSURING GLOBAL HIGH-QUALITY OCEAN have problems with the filter cross-talk and out-of-band COLOR DATA FOR THE NEXT FIVE TO TEN YEARS response.
From page 55...
... fuser stability monitoring system and deep space looks. The Based on what we have learned to date, all recommendacommittee hopes this will include a vicarious calibration of tions for VIIRS on NPP need to be implemented for VIIRS/ sensor gains, as is being done now for MERIS.
From page 56...
... scientists. MERIS data access is much improved, and as of March 2011, discussions are under way between NASA and ESA for a bulk data exchange to include MERIS Level 1B data.
From page 57...
... When merging data from multiple shown in Figure 4.1 does not necessarily represent the current sensors, it is impossible to generate climate-quality data and future availability of ocean color data, because several products without full access to Level 0 and Level 1 datasets of the sensors have unusable and/or inaccessible data. For and without complete information on calibration, characterexample, as a result of uncertainties and instabilities in the ization, and processing details.


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