In areas outside the Pine Barren region, that combination would represent a different ecological system. McKerrow, A.J., A. Davidson, T. S. Earnhardt, and A. L. Benson. O… For example, after a timber harvest land cover has changed, but the land use of that area will not have changed if seedlings were planted or natural regeneration is occurring and it will continue to be used for timber production. Land use shows how people use the landscape – whether for development, conservation, or mixed uses. USDA, Forest Service, International Institute of Tropical Forestery. DOI: https://doi.org/10.14358/PERS.70.7.829. Land cover is the physical material at the surface of the earth. Half of all habitable land is used for agriculture. For example, for pixels mapped as Atlantic Coastal Plain Dry and Dry-Mesic Oak Forest in the 2001 GAP map that were mapped as deciduous forest in the NLCD 2011 map, the original 2001 ecological system call was left unchanged. CLC uses a Minimum Mapping Unit (MMU) of 25 ha for areal phenomena and a minimum width of 100 m for linear phenomena. CCI LAND COVER - S2 PROTOTYPE LAND COVER 20M MAP OF AFRICA 2016; ESA - CCI LAND COVER S2 PROTOTYPE LAND COVER MAP AT 10M OF MESOAMERICA 2018 The 2001 National GAP Land Cover was derived using Landsat TM satellite imagery from 1999-2001 as its base. Land cover mapping project. When used in conjunction with protected areas data (PAD-US), terrestrial ecosystems data can be used to identify habitat types that may be under-protected so management activities can be adjusted. After each analyst completed the update for a geoarea, a second individual reviewed the resulting land cover classification. 2014. U.S. Geological Survey, National Geospatial Technical Operations Center, 20140924, USGS National Watershed Boundary Dataset (WBD) 20140924 National Shapefile: U.S. Geological Survey: Reston, VA, http://nhd.usgs.gov/wbd.html. Our goal was to generate a detailed land cover product representing the 2011 timeframe. 829-840(12). The different types of land cover can be managed or used quite differently. The 2001 GAP class label was maintained if it matched the NLCD general land cover class. 2015), and 2010 LANDFIRE disturbance data (Nelson et al. Other Land Cover 1:250,000 GeoBase Land Cover . The process for this update was tested and documented for three of the nine geoareas in the conterminous U.S. (McKerrow et al. The datasets were assembled by Inez Fung, Elaine Matthews, and associates during 1984-1991. The different types of land cover can be managed or used quite differently. In response to this need, NatureServe developed the Terrestrial Ecological Systems Classification framework (Comer et al. The GAP/LANDFIRE National Terrestrial Ecosystems data set includes detailed vegetation and land cover patterns for the continental United States. The Hawaii Gap Analysis Project Final Report. 2004). Published crop-specific data layer [Online]. Statistical tables with aggregated results by land cover and land use at geographical level. Classification trees: An alternative to traditional land cover classifiers. 2006, Gould et al. Projected data include three time periods (2020s, 2050s, and 2080s) and two climate scenarios (Representative Concentration Pathways [RCP] 4.5 and … Land cover data documents how much of a region is covered by forests, wetlands, impervious surfaces, agriculture, and other land and water types. 2011) boundary data derived from the USGS Watershed Boundary Dataset (USGS NGTOC 2011) was used to label a subset of the pixels in a combination to a new land cover class. In Puerto Rico a cloud free mosaic of Landsat 7 ETM+ imagery was compiled for the project (Martinuzzi et al. Links to access GAP/LANDFIRE National Terrestrial Ecosystems 2011 Data, Metadata and Web Services. Based on the interpretation of satellite imagery, CLC provides national scale maps of landcover and landcover change on a six year basis for thirty nine countries in Europe. The Corine Land Cover (CLC) inventory is a Pan-European landuse and landcover mapping programme. Puerto Rico’s data set includes 70 unique vegetation and land use classes. In the visualization we see the breakdown of global land area today. Gen. Tech. The data are provided as a 30 m by 30 m raster. These were generated within the CCI MRLC initiative using Sentinel-2 data at 20m over the whole Africa and at 10m over Mesoamerica. Users are advised to read this metadata record carefully for additional details related to the GAP/LANDFIRE National Terrestrial Ecosystems 2011 data set. Gen. Tech. Accessing the land cover layer’s properties shows the value, name, and n value. 12 p. Accessed On line August 2016: http://www.fs.fed.us/global/iitf/pubs/iitf-gtr32.pdf. Land cover maps provide information to help managers best understand the current landscape. Download data for the GAP/LANDFIRE National Terrestrial Ecosystems 2011 dataset by State, Territory, or Download by Landscape Conservation Cooperative. For rarer, patch systems and systems in the Southeast regional project where topographic relief was not sufficient and training data were limited a combination of CART modeling and decision rules were used for mapping the existing vegetation. Land cover maps represent spatial information on different types (classes) of physical coverage of the Earth's surface, e.g. Downloads info. Published Dec 02, 2020. The 2011 NLCD label was accepted into the GAP/LF 2011 Ecosystems update layer for row crop, pasture/hay, water, and the four developed land cover classes without further investigation. It identifies 33 mainland land cover classes (35 classes once the offshore Chatham Islands are included). For each geoarea the ArcGIS Combine operation was used to generate unique combinations of the pixels from the 2001 National GAP Vegetation data (USGS GAP 2011), 2011 NLCD (Homer et al. Land cover can be determined by analyzing satellite and aerial imagery. Creating cloud-free Landsat ETM+ data sets in tropical landscapes: cloud and cloud-shadow re-moval. 1996, Pal and Mather 2003). In the Midwestern geoareas the National Agricultural Statistics Service Cropland Data Layer (2011) was used to recode the Modified/Managed Southern Tall Grassland from the 2001 Gap Land Cover Pasture/Hay for pixels where the CDL had mapped them as Grassland/Pasture or Other Hay/Non Alfalfa. Mit CORINE Land Cover (CLC) steht ein staatenübergreifendes Konzept und System für die Gewinnung und Auswertung dieser Informationen und deren Änderung zur Verfügung. 2006). The Corine databases and several of its programmes have been taken over by the EEA. Land classifications include: Perennial Cropland, Annual Cropland, Cultivated... other. Rio Piedras, Pr. The Hawaii data set contains 28 natural vegetation classes and nine land use, introduced vegetation or disturbed classes (Gon et al. This repository holds both the frontend web-application and backend server that make up our "Land Cover Mapping" tool.. Project setup instructions. In areas of rapid change, the data may need additional updating before use or may be inappropriate for use. This layer contains several land classifications from GeoBase 250K Land Cover, Circa 2000 - Vector. The data series are used in a … Point and landscape photos in the 4 cardinal directions. These were typically: 1) combinations represented by small groups of pixels scattered across the geoarea and thus problematic to assess and assign a transition path or 2) combinations whose recode options included more than one possible ecological system assignment. Learn More about LANDFIRE 2012. GAP/LANDFIRE National Terrestrial Ecosystems data set provides information on the distribution of native vegetation types, modified and introduced vegetation, developed areas, and agricultural areas of the United States. Although distinct from the US-NVC, the vegetation component of an ecological system is described by one or more NVC alliances or associations. Lowry, J. H, Jr., R. D. Ramsey, K. Boykin, D. Bradford, P. Comer, S. Falzarano, W. Kepner, J. Kirby, L. Langs, J. Prior-Magee, G. Manis, L. O’Brien, T. Sajwaj, K. A. Thomas, W. Rieth, S. Schrader, D. Schrupp, K. Schulz, B. Thompson, C. Velasquez, C. Wallace, E. Waller and B. Wolk. Comer, P., D. Faber-Langendoen, R. Evans, S. Gawler, C. Josse, G. Kittel, S. Menard, S. Pyne, M. Reid, K. Schulz, K. Snowand, J. Teague, 2003. To see change over time, land cover maps for several different years are needed. Previous land cover mapping projects made clear the need for a nationally consistent classification scheme mappable at a meso-scale. The USGS National Land Cover Database (NLCD) is also available and it provides information about general land cover types with 16 land cover classes (for example, Low Intensity Developed, Deciduous Forest). 2006). Sci., XL-a 245-252, 2014. USDA National Agricultural Statistics Service Cropland Data Layer. (2002). 2008). Earth cover is the expression used by ecologist Frederick Edward Clements that has its closest modern equivalent being vegetation. Volume 1: Land cover, vertebrate species distribution, and land stewardship. Martinuzzi, S., W. A. Gould, O. M. Ramos-González. Select Access Data 3. These maps and data can be used to identify those places in the country with sufficient habitat to support wildlife, a key step in developing sound conservation plans. 1. Arch. Studying Canada’s Land Cover from Space. Download Land Cover Data. The NVC levels provide the user with a variety of options allowing the choice of making a map of the Continental U.S. with eleven classes at the NVC Class level to 583 classes at the Ecological system level. Therefore, the 2001 and 2011 land cover maps should not be used to quantify change directly. 2006, Gould et al. Land use and land cover are often related, but they have different meanings. 5, p. 345-354. http://www.asprs.org/a/publications/pers/2015journals/PERS_May_2015/HTML/index.html#346/z, Homer, C., C. Huang, L. Yang, B. Wylie, and M. Coan, 2004. 1. It supplies spatial data on the state of the European environmental landscape and how it is changing over time. Water types include wetlands or open water. Author: NOAA
Having images of vegetation during these three different times of the year is very helpful for correctly classifying vegetation types that look the same during one season but different in another. Permalink. Data from USGS Land Cover Trends Project; Sleeter et al. There are not very many lulc datasets because a)satellite data acquisition is usually very expensive, and b)the classification process is very labor intensive. The GAP/LANDFIRE National Terrestrial Ecosystems data set includes detailed vegetation and land cover patterns for the continental United States. Maps can help managers assess urban growth, model water quality issues, predict and assess impacts from floods and storm surges, track wetland losses and potential impacts from sea level rise, prioritize areas for conservation efforts, and compare land cover changes with effects in the environment or to connections in socioeconomic changes such as increasing population. Other ancillary data sets used depend on the region but include digital data on soils, geology, stream and wetland location, point locations for rare plant communities and fire and tree harvest information. The GAP/LANDFIRE National Terrestrial Ecosystems data attempts to map as accurately as possible the fine vegetative details of the nation’s vegetation. The expression continues to be used by the United States Bureau of Land Management. Differences between the 2001 and 2011 GAP maps do not always represent on-the-ground changes in vegetation communities. International Journal of Remote Sensing 17(5): 1075-1081. Use 7zip or another compression program to open these files. The 584 unique classes in the data set can be displayed at three levels of detail, from general (8 classes) to most detailed. LANDFIRE 2010 - Updated Data to Support Wildfire and Ecological Management. Rep. IITF-GRT-39. With this information, managers can evaluate past management decisions as well as gain insight into the possible effects of their current decisions before they are implemented. Projected NLCD Rangeland Cover Products Through 2080 – Now Available. Er wird von der EuropäischenUmweltagentur beauftragt und kostenfrei im Rahmen des Copernicus-Programms zur Verfügung gestellt. Ecological systems of the United States: A working classification of U.S. terrestrial systems. 2008). The Corine Land Cover inventory was initiated in 1985 (reference year 1990). For example, some areas correctly mapped as shrub in the NLCD layer (based on the NLCD definition) are best mapped as the Northern Rocky Mountain Ponderosa Pine Woodland and Savanna ecological system in the GAP map; therefore the 2001 Woodland and Savanna label would be retained. Decision tree classifiers are well suited for land cover mapping as they do not require normally distributed training data, they can accommodate a wide variety of predictor variables, and they have demonstrated improved accuracies over the use of traditional classifiers (Hansen et al. 2013. Landbedeckung und Landnutzung sind wichtige Indikatoren für Umweltbelastungen durch menschliches Handeln. Finally, the concepts of the Ecological Systems used to define the map legend are inherently variable with a range of physiognomic and phenological conditions possible in a single system. Each individual map class location was checked against high resolution reference imagery using Google Earth or ArcGIS base maps to evaluate the pattern and extent of the mapped classes across the geoarea. Land Use/Land Cover data refers to data that is a result of classifying raw satellite data into "land use and land cover" (lulc) categories based on the return value of the satellite image. Some Ecological Systems have spectral signatures, and occur at similar elevations, aspects etc. Land Cover information is the result of vectorization of raster thematic data originating from... other. The USGS National Land Cover Database (NLCD) is also available and it provides information about general land cover types with 16 land cover classes (for example, Low Intensity Developed, Deciduous Forest). For example, pixels comprising a combination of 2001 GAP non-forest, 2011 NLCD deciduous forest, and no disturbance, the recoding would be driven by the neighborhood majority of candidate pixels for deciduous forest types in the geoarea. CORINE Land Cover – Europaweit harmonisierte Landbedeckungs- und Landnutzungsdaten. Click on a pin on the map to see more information. Ecological systems are defined as “groups of plant community types that tend to co-occur within landscapes with similar ecological processes, substrates and/or environmental gradients” (Comer et al. 2013). This page offers access to a number of datasets which describe land cover characteristics at 1°×1° resolution and to some sample data product images. Land use involves an element of human activity and reflects human decisions about how land will be used. 2 Remote Sens. 165. p. Hansen, M., R. Dubayah, and R. DeFries, 1996. IEEE Earthzine. Spatial Inf. Ecological Systems provide detailed information on the vegetative communities of an area that is not available in most other regional or national land cover products. Remote sensing data recorded over a period of time allows the observation of land cover dynamics. EROS did the preprocessing and atmospheric correction of the images and developed three clear, low cloud images for all areas of the United States. The LANDFIRE Program has an extensive national dataset of existing vegetation data in the LANDFIRE Reference Database (LFRDB) which has been used to support mapping. Much of the imagery was acquired from the USGS National Center for Earth Resources Observation and Science (EROS) through the Multi-Resolution Land Characteristics Consortium (MRLC). The nine geoareas were then mosaicked in ArcGIS and a class by class check was conducted to look for errors introduced by the mosaicking process. USDA-NASS, Washington, DC. GAP field samples were collected by traversing navigable roads in a mapping zone and opportunistically selecting plots that met criteria of appropriate size (1-hectare minimum) and composition (stand homogeneity). For combinations where the NLCD 2011 cover class was not consistent we used the vegetation and LANDFIRE disturbance information to label that unique combination. Land cover is fundamental to better understand the climate through the estimation and validation of fluxes of water, carbon, and energy. Dynamic land cover maps include transitions of land cover classes over time and hence captures land cover changes. Int. There were unlabeled pixel combinations that persisted after the proximity assignment step. Southwest Regional Gap Analysis Project: Final Report on Land Cover Mapping Methods, RS/GIS Laboratory, Utah State University, Logan, Utah. Co-written by Aaron Herman. How to cite this article, National Oceanic and Atmospheric Administration. No data point selected. 2013. Features used to delineate National Vegetation Classification (NVC) levels, Class: dominant general growth forms adapted to basic moisture, temperature, and/or substrate or aquatic, Subclass: global macroclimatic factors driven primarily by latitide and continental postion, or reflect overriding substrate or aquatic condtions, Formation: global macroclimatic conditions as modified by altitide, seasonality of precipitation, substrates, hydrological conditions, Division: continental differences in mesoclimate, geology, substrates, hydrology, disturbance regimes, Macrogroup: sub-continental to regional differences in mesoclimate, geology, substrates, hydrology, disturbance regimes, Group: regional differences in mesoclimate, geology, substrates, hydrology, disturbance regimes. 2006). Coastal managers use land cover data and maps to better understand the impacts of natural phenomena and human use of the landscape. Last updated: 11/05/20
Data Set Information: Contains training and testing data for classifying a high resolution aerial image into 9 types of urban land cover. For access to previous versions of the land cover dataset please contact Alexa McKerrow: firstname.lastname@example.org. This document describes the INSPIRE Data Specification for the spatial data theme Land Cover Land accounts fit the bill, describing how land resource stocks change over time. The data set incorporates the Ecological System classification system developed by NatureServe to represent natural and semi-natural vegetation. By comparing land cover data and maps over a period of time, coastal managers can document land use trends and changes. 2005. Nelson, K. J., J. Connot, B. Peterson, J. J. Picotte. Table 1. Río Piedras, PR: U.S. Department of Agriculture, Forest Service, International Institute of Tropical Forestry. Plays a role in adaptation and mitigation assessments at various scales. 2011. It was improved by reclassifying combinations that included pixels by NLCD as shrubland with low intensity fires in LANDFIRE disturbance data, within a subset of the HUCs representing the Pitch Pine Barrens region. It consists of an inventory of land cover in 44 classes. 2006). Land-Cover data is a crucial reference dataset that informs a wide variety of activities ranging from environmental planning and protection, economic development, compliance monitoring, enforcement, and strategic decision making. By nature of their patchy distributions and frequently small extents wetlands, riparian habitats and rare habitat types can be the most frequently missed types. While the ecological system concept emphasizes existing dominant vegetation types, it also incorporates physical components such as landform position, substrates, hydrology, and climate. This technique was most often used for rare systems with insufficient training data and where additional ancillary data was available to identify image features. Geographic Names Information System (GNIS), Mapping, Remote Sensing, and Geospatial Data, GAP/LANDFIRE National Terrestrial Ecosystems 2011 Data, Metadata, http://www.asprs.org/a/publications/pers/2015journals/PERS_May_2015/HTML/index.html#346/z, Photogrammetric Engineering & Remote Sensing, http://www.fs.fed.us/global/iitf/pubs/iitf-gtr32.pdf, http://doi.org/10.5194/isprsarchives-XL-1-245-2014. Mit Hilfe dieses Datensatzes, der für die Stichjahre 1990, 2000, 2006 und 2012 verfügbar ist, können Landschaftsveränderungen in dieser Zeit detektiert werden und sind europaweit … 2003). Jimenez, S. Martinuzzi, G. Potts, M. Quinones, M. Solorzona, E. Ventosa. Frequently, this high number of classes provides a level of detail that exceeds a user’s needs. The land cover (dark yellow bars) is the mean of MODIS and CCI land cover data, with line bars showing distance between individual values. Mit … The Historical Land Cover and Land Use data set consists of two files, and was developed to provide the global change community with historical land use estimates. The Alaska and Continental U.S. portion of the data set contains 680 Ecological systems and 28 land use, introduced vegetation or disturbed classes. To see if there’s a MPO or COG in your area, check out this list of MPOs and COGs. The USGS, in collaboration with the Bureau of Land Management, has produced projected rangeland fractional cover products for Western U.S. The Puerto Rico Gap Analysis Project. Logic checks were conducted at each process step to ensure that the map classes impacted by a specific decision rule or process were the only ones changing between intermediate versions of the mosaic. 3 a Land in an altered and often un-vegetated state that, because of disturbances by mechanical means, is in transition from one cover type to another. 2003), while Puerto Rico and Hawaii’s map legend are based on island specific classification systems (Gon et al. The classification scheme used for the Alaska and the lower 48 states is based on NatureServe’s Ecological System Classification (Comer et al. Updates to the LANDFIRE’s Existing Vegetation layer for Alaska have been implemented by the LANDFIRE Team. These geoareas are aggregations of the 66 Multi-Resolution Land Characteristics Consortium (MLRC mapping zones that have been used by NLCD, GAP and LANDFIRE as mapping zones in their 2001 national mapping efforts (Homer et al. http://earthzine.org/2013/09/15/landfire-2010-updated-data-to-support-wi... https://www.sciencebase.gov/catalog/item/56d496eee4b015c306f17a42, GAP/LANDFIRE National Terrestrial Ecosystems 2011 Metadata. This database is operationally available for most areas … However, there are limitations to the data that users should keep in mind. The data set can be used to identify those places in the country with sufficient habitat to support wildlife, a key step in developing sound conservation plans. Each dataset contains 12 data layers, each of which provides consensus information on the prevalence of one land-cover class. Land covers include grass, asphalt, trees, bare ground, water, etc. After accepting the 2011 NLCD labels for agriculture, water, developed classes, the ecological system matches between 2001 and 2011, and recodes based on disturbance were complete, there were a large number of combinations remaining without a 2011 label assigned. CART tended to work best for widespread matrix systems with sufficient training data. Natural Resources Canada uses remote sensing data to accurately and efficiently map this vast area. This occurred when single pixels or small groups of pixels were isolated with respect to physiognomy type and no neighborhood majority of candidate ecological systems occurred (e.g., an island of forest in a large patch of grassland). Alaska ecosystems have been updated by LANDFIRE to 2012 conditions (LANDFIRE 2012). Photogrammetric Engineering and Remote Sensing, v. 81, no. The models predicting the land cover distribution for the regional projects used field data collected by gap personnel specifically for the project and vegetation data collected for other projects to instruct the model. Visual interpretation of aerial photography, digital orthophoto quads, or other remotely sensed imagery was also used to generate training data when sufficient information could be obtained to make and Ecological system determination. These estimates are based on weighted point data. This information is important for decision makers, planners, researchers, private interests and others: U.S. Geological Survey Gap Analysis Program, 20160513, GAP/LANDFIRE National Terrestrial Ecosystems 2011: U.S. Geological Survey, https://doi.org/10.5066/F7ZS2TM0. If the review identified artifacts or errors, the analyst revised the decision rules and the process was repeated until a satisfactory classification was completed. http://doi.org/10.5194/isprsarchives-XL-1-245-2014.). Record Published: 2014-12-11; Natural Resources. Hawaii and Puerto Rico data represent the 2001 time-frame (Gon et al. While most MPO/COG data is free, you may have to pay for some land use data as in th… To accommodate these users, we have cross-walked the ecological system level data to the six highest levels of the National Vegetation Classification System (USNVC). Land cover is the observed biophysical cover on the Earth's surface including trees, shrubs, grasses, soils, exposed rocks and water bodies, as well as anthropogenic elements such as plantations, crops and built environments. Plot data were collected using ocular estimates of biotic and abiotic land cover elements, including percent cover of dominant species by life form (i.e. - Land Cover and Manning's n Data After importing the data, the land cover dataset is shown in RAS Mapper. Land cover data documents how much of a region is covered by forests, wetlands, impervious surfaces, agriculture, and other land and water types. This briefing describes the use of the EEA’s Integrated Data Platform and CORINE Land cover data for transparent, repeatable and efficient land accounting. The NRI uses this classification to account for every acre of non-Federal land within the Nation. High resolution imagery from Google Earth or ArcGIS base maps was used as the reference imagery to assign the updated 2011 cover class. Land cover is defined as the (bio) physical cover at the surface of the earth surface including grass, trees, bare ground and water. In these situations, the 2001 GAP map classes were used in the updated map. Imagery that was used for the Midwest, Northeast and Alaska had been selected and preprocessed by the LANDFIRE Team at EROS. The combination dataset allowed each analyst to visualize the distribution of the pixels within the un-assigned combinations and evaluate the potential source of difference between the two dates. An assessment of the effectiveness of decision tree methods for land cover classification. Again, pattern and extent of each of the mapped classes was visualized and compared against the 2001 Gap Land Cover and the reference imagery. Unless your project is within an MPO/COG that has historic and current land use shapefiles that are easy for your GIS guru to access, you can be up a creek without a paddle when it comes to finding good land use data.. Learn more about NLCD 2011 >>. Photogramm. In some geoareas the 10-digit Hydrologic Unit Code (HUC; USGS National Gap Analysis Program. climate, substrate, and topography) to stratify the spectral data. The data set describes historical land use changes over a 300-year historical period (1700-1990). The findings on land use come from the NRI data category "Land Cover/Use," which comprises mutually exclusive categories such as cropland, rangeland, forest land, other rural land, developed land, and water areas. For land cover mapping, explanatory variables are the spectral and ancillary data sets and the response variable is the land cover classes (see Lowry et al. Open a terminal on the machine; Install conda (note: if you are using a DSVM on Azure then you can skip this step as conda is preinstalled!) to other Ecological Systems. Canada’s land surface is covered with different vegetation types, built environments, water, desert, rock, ice and snow formations. The GAP/LANDFIRE National Terrestrial Ecosystems data set is mainly focused on habitat identification. Climate, substrate, and texture information are used for the nation as possible fine... Of the Earth summer, and R. DeFries, 1996 's land cover maps include transitions of land Management has! 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Earth or ArcGIS base maps was used as the reference imagery to assign the 2011. Expression used by ecologist Frederick Edward Clements that has its closest modern being! Can document land use, introduced vegetation or disturbed classes ( Gon et.! Accessed on line August 2016: http: //earthzine.org/2013/09/15/landfire-2010-updated-data-to-support-wi... https: //www.sciencebase.gov/catalog/item/56d496eee4b015c306f17a42 GAP/LANDFIRE... 5 ): 1075-1081 Zealand land cover Trends Project ; Sleeter et al classes once the offshore Chatham Islands included... Updated by LANDFIRE to 2012 conditions ( LANDFIRE 2012 ) points surveyed the update for geoarea! Clements that has its closest modern equivalent being vegetation how to cite this article, National Oceanic and Atmospheric.! M. Mather, 2003 or download by landscape conservation Cooperative continental United States Bureau of land cover mapping ''..! Dataset by State, and 2010 LANDFIRE disturbance data ( e.g 11/05/20 Author: NOAA to. Algorithm to successively split a multidimensional “ cloud ” of explanatory data into increasingly homogenous.. Are needed for each combination, information about the distribution and pattern of 2001... Be managed or used quite differently 'coordination of information on the prevalence of one land-cover class, 7! 70 unique vegetation what is land cover data land use changes over a period of time land... Read this Metadata record carefully for additional details related to the vegetative or... Classifying a high resolution imagery from Google Earth or ArcGIS base maps was used for rare systems sufficient. All or some of the Earth 's surface, e.g, a second individual the. Or download by landscape conservation Cooperative, in collaboration with the land cover in all or some of nine.