Eyes on Earth is a podcast on remote sensing, Earth observation, land change and science, brought to you by the USGS Earth Resources Observation and Science (EROS) Center. With the 2016 release, the intended snapshot interval is 2-3 years, beginning with 2001. The next edition of the National Land Cover Database (NLCD) will appear more quickly than previous editions, offer accuracy comparable to NLCD 2016, and include previously-unreleased historical information on imperious urban surfaces. The three largest countries in North America share trade, climate and culture in a host of broad and specific ways. Figure 3: Example of the subpixel impervious surface product (left) and the impervious surface descriptor (right) available with the NLCD 2016 edition. This NLCD product of Alaska 2011 Impervious Descriptor is the version dated February 13, 2020. 30 meter raster, with cells classified into one of 21 land cover classes. 2, pp.230-240. NLCD data are public domain, and may be freely downloaded from the MRLC website. The highlights for NCLD users in the 2019 products are the accuracy improvements through collaboration with other EROS-based land cover projects and the expansive upgrades to impervious surface products through the integration of new data sources, Dewitz said. NLCD released its most expansive and detailed database to date in mid-2019, sorting each 30-meter plot of ground in the country into a land cover class – e.g. New for NLCD 2016 is an impervious surface descriptor layer. NLCD 2016 updates all previously released versions of impervious products for CONUS (NLCD 2001, NLCD 2006, NLCD 2011) along with a new date of impervious surface for 2016. NLCD 2016 land cover and impervious surface product versions of previous dates must be downloaded for proper … loads the NLCD 2016 dataset for a user uploaded asset table selects the impervious_descriptor dataset, Maps GEE image prints out various properties of the image Why is … This descriptor layer identifies types of roads, core urban areas, and energy production sites for each impervious pixel to allow deeper analysis of developed features. The 2001 National Land Cover Database (NLCD) tree and impervious cover maps provide an opportunity to extract basic land-cover information helpful for natural resource assessments. “What we’re trying to do right now for NLCD is kind of unprecedented – doing a 2019 NLCD for release in 2020,” said Terry Sohl, a research physical scientist at the USGS Earth Resources Observation and Science (EROS) Center who recently took on the role of NCLD co-director. Since vector layers are highly challenging for large-scale analysis, Heris et al. This product identifies types of roads, core urban areas, and energy production sites for each impervious pixel to allow deeper analysis of developed features. NLCD data layers are not produced at an annual time step, but land cover is produced at a two- … • New Impervious Descriptor layer that identifies types of roads, core urban areas, and energy production sites for each impervious pixel NLCD 2016 Percent Tree Canopy product • Produced by … Details Image Dimensions: 7106 x 5131 Date Taken: 2016 (approx.) impervious_descriptor Defines which impervious layer pixels are roads and provides the best fit description for impervious pixels that are not roads. “We’ve incorporated all of those throughout all the years of our impervious products.”. 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