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What are the difference between NLCD 1992 and NLCD 2001?

April 26, 2017difference NLCD

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What are the difference between NLCD 1992 and NLCD 2001?

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A. The main difference is the dates of the source data. Just like the name implies, NLCD 1992 was taken from 1992 vintage imagery and NLCD 2001 was taken from the MRLC 2001 project. More products are provided with the NLCD 2001 data. NLCD 1992 only product is Land Cover. NLCD 2001 provides Land Cover, Impervious, and Canopy data.