An incoming request for a product enhancement generally comes from a user, or a LANCE UWG member, representing a broader user community. If the request is considered feasible by the LANCE Element and LANCE Manager, then an Enhancement Request is be submitted to the UWG using the template (below). The LANCE UWG consider the request and make a recommendation to ESDIS, who have the final decision on whether the products is added. This document describes what needs to be included in the enhancement request. For NRT versions of standard products the process is straight forward. For applications products, there are a few additional requirements that need to be considered(outlined below).
When LANCE was initiated it focused on producing Near Real-Time (NRT) versions of standard products from the MODIS, AIRS and AMSR-E instruments. As LANCE evolved these expanded to include expedited products from MLS and OMI and subsequently AMSR-2, MISR, MOPITT, OMPS, VIIRS. The expedited products were added to LANCE after the release of the standard product with guidance from the PI / Science Team. With the addition of AMSR2 this changed and for the first time the expedited products were released ahead of the standard products. In addition to the initial expedited products, the applications community has requested a number of additional products to better serve the applications community.
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For products that do not have a standard product equivalent, applications products need to be mature, validated and documented so that users understand the strengths and limitations of an applications product and can easily find information about appropriate use. The proposed approach for approving applied products should be very is similar to the model for getting new Standard Science Team products into LANCE. As Science Team validation and ATBD documentation will be missing, suitable alternatives need to be found. This might vary slightly according to each product proposed but in general the enhancement request should contain the following:
Outline of Enhancement Request
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[1] Level 2 Validation from CEOS Working Group on Calibration and Validation (Land sub group) (http://lpvs.gsfc.nasa.gov/): Product accuracy is estimated over a significant set of locations and time periods by comparison with reference in situ or other suitable reference data. Spatial and temporal consistency of the product and consistency with similar products has been evaluated over globally representative locations and time periods. Results are published in the peer-reviewed literature.
[2] Product maintenance would need to be done through NASA HQ or Science Team funding. It is estimated (ball-park) that the cost of maintaining a product approximately $30-40K per year (equivalent to 2 calendar months per year of a FT scientist inc. overhead).
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Previous enhancement requests - to be added
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