The objectives of this FINAL science team member proposal are: (1) Modest refinements to achieve maximal returns with minor investment, (2) Scientific data analysis, (3) Characterizing the uncertainty of Collection 6 LAI/FPAR products, (4) Maintenance of the Standard and Boston University (BU) products, including operational quality assessment, community-support and outreach, and (5) Final data documentation and transitioning to the MODIS core production team. Specific tasks to achieve these objectives are as follows. Refinements include minor algorithm updates to enhance physically based retrievals in needle forests (the last of six vegetation types requiring refinement), and generation of a unique higher resolution product (500m and 4-day) that is possible ONLY by combining observations from Terra and Aqua MODIS sensors. Scientific data analysis includes assessment of Collection 6 Standard and BU products quality and coverage at various scales. Continuation of the long-term scale-consistent LAI ESDR for the period July1981 to Terra/Aqua current composite period will also be a part of this activity. Accuracy and uncertainty characterization of the MODIS/AQUA Standard products and long-term LAI ESDR will be assessed through direct comparisons with field measurements and vicariously through inter-comparison with other sensor products. The products will be maintained through operational quality assessment, project activities, user support and outreach. The transition to core production is also planned and described. The tangible end product of this research is a unique high resolution (500m, 4-day) MODIS mission-long time series of global LAI and FPAR products of known accuracy and QA information generated with a stochastic radiative transfer based algorithm and freely available to the community.
Project PI: Ranga Myneni/Boston University
Department of Geography 675 Commonwealth Avenue Boston University Boston, MA 02215 USA
Phone: (617) 353-2525
Fax: (617) 353-8399
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