Assessing the Requirements for Sustained Ocean Color Research and Operations (2011) / Chapter Skim
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Without the ability to sustain high-quality ocean color measurements or to launch next generation sensors with new THE OCEAN COLOR TIME-SERIES IS AT RISK Currently, the continuous ocean color data record col 1 Climate-quality observations are a time-series of measurements of suf lected by satellites since the launch of the Sea-viewing Wide ficient length, consistency, and continuity to assess climate variability and Field-of-view Sensor (SeaWiFS, in 1997) and the Moderate change (following NRC, 2004b)
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At least six months of sensor overlap are needed to minimum requirements to sustain ocean color observations transfer calibrations between space sensors and to produce of a quality equivalent to the data collected from SeaWiFS. continuous climate data records.
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In particular, the committee will assess the sensor and system requirements necessary to produce high-quality global ocean color climate data records that are consistent with those from SeaWiFS/MODIS. The committee will also review the operational and research objectives, such as described in the Ocean Research Priorities Plan and Implementation Strategy, for the next generation of global ocean color satellite sensors and provide guidance on how to ensure both operational and research goals of the oceanographic community are met.
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Future sensors are shown having 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.
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, and thus will help the discussions about full exchange of MERIS mission data, international user community understand the potential of this including raw satellite data and calibration data. The Indian approach, including the capability to view the same ocean space agency launched the OCM-2 sensor in 2009.
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Because academic, and private-sector scientists. both agencies have a strong interest in climate and climate Recommendation: To sustain current capabilities, NOAA impacts, they share a common interest in climate data and NASA should identify long-term mechanisms that can: records.If NOAA builds its own data processing/reprocessing group, two independent federal groups will then be developing ocean color products and climate data records.
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the long term, international partnerships will be needed to Conclusion: U.S. scientists and operational users of satel- sustain the climate-quality global ocean color time-series, lite ocean color data will need to rely on multiple sources, and at the same time, to advance ocean color capabilities including sensors operated by non-U.S.
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