Download Climate Data Records from Environmental Satellites, National by National Research Council, Division on Earth and Life PDF

By National Research Council, Division on Earth and Life Studies, Board on Atmospheric Sciences and Climate, Committee on Climate Data Records from NOAA Operational Satellites

The record outlines key parts to think about in designing a software to create climate-quality information from satellites. It examines ancient makes an attempt to create weather info documents, offers suggestion on steps for producing, re-analyzing, and storing satellite tv for pc weather information, and discusses the significance of partnering among enterprises, academia, and undefined. NOAA will use this document - the 1st in a two-part research - to draft an implementation plan for weather facts documents.

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Additional resources for Climate Data Records from Environmental Satellites, National Academy

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MODIS, onboard Terra and Aqua, also provides ocean color data products. Both MODIS and SeaWiFS require a regular program of vicarious calibration whereby atmospherically corrected satellite radiances are compared with in situ water-leaving radiances. Adjustments are then made to the satellite top-of-atmosphere radiance calibrations to force agreement. SeaWiFS has remained remarkably stable, requiring only one postlaunch adjustment, whereas the MODIS on Terra has experienced a number of abrupt (and in some cases unexplained) changes in its radiometric calibration.

The SIMBIOS project represents a model for generating one class of FCDRs and an associated family of derived TCDRs. Ocean color FCDRs are the calibrated radiances derived by ocean color sensors together with the supporting in situ data used to calibrate the radiances. , Europe, and Japan) for vicarious calibration. Lessons Learned • Algorithms will change over time but will always rely on carefully calibrated, top-of-atmosphere radiances. It is most important to assure that the top-of-atmosphere radiances are well calibrated, geolocated, and preserved for future generations.

This situation, in which multiple trends with nonoverlapping error ranges for supposedly identical products were published in reputable journals, has resulted in considerable confusion to those not closely related to this area of research. This apparent discrepancy therefore motivated much recent research and debate (NRC, 2000d,e), and it is now clear that a number of factors likely contribute to the different trends. Among them are (1) the influence of real changes in the vertical structure of the atmosphere associated with both natural variability and human-induced climate change; FIGURE 2-2 Annual mean anomalies of global average temperature (1979-2002) for the lower troposphere from satellites (T2) and for the surface.

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