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2006
It is built from checkable properties of the record itself: whether the article has a DOI, how many independent sources confirmed its data, whether the required fields are filled in, and how recent the latest confirmation is. Disagreement between sources and a missing identifier lower it. A value of 80 or above means the record was published without further checking; 60 to 79 means it is published at reduced confidence, with a manual check advisable. A record verified by an editor by hand is never pushed below 90 by a recalculation. This scores our data about the article, not the article itself.
Two techniques of identification of desertification processes with use of long-term raws of NDVI are described. First of them is based on the analysis of local changes of vegetation conditions. The second technique provides allocation and an integrated estimation of zones (territories) of the most active desertification. For localization of the desertification centers results of both techniques are combined.