Enhanced Visualization and Analysis (EVA) Tool Now Available | Multi-Resolution Land Characteristics (MRLC) Consortium

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The MRLC Consortium, in collaboration with NOAA and the USGS, is pleased to release version 2 of the Enhanced Visualization and Analysis (EVA) tool. This tool provides users with detailed county statistics for any two NLCD landcover dates to support quick and powerful change analyses. This tool was originally developed by NOAA and shared through the consortium with custom adaptations for NLCD.

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Annual NLCD OCONUS Tree Canopy Cover Data Now Available

Published Feb 11, 2026

The USDA Forest Service Geospatial Office (GO) builds and maintains the National Tree Canopy Cover (TCC) dataset as part of the National Land Cover Database (NLCD). Annual data for areas outside the contiguous United States is now available from 1985-2023. This includes Southeast Alaska, Hawaii, Puerto Rico and the U.S. Virgin Islands. The TCC datasets are derived from Landsat and Sentinel-2 imagery along with USDA Forest Service - Forest Inventory and Analysis (FIA) data, based on a spatial resolution of 30 meters. Each Tree Canopy Cover (TCC) value is determined using photo interpretation methods and machine learning models, to produce the percentage of the area covered by tree canopy and interannual change between all years.

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Annual NLCD image of CONUS showing Validation Points

Annual NLCD Reference Data and Validation Metrics Now Available on MRLC

Published Sep 24, 2025

The U.S. Geological Survey has added a new outlet for Reference and Validation (R&V) data for Annual National Land Cover Database (NLCD) Conterminous U.S. (CU), Collection 1.0. In addition to availability on the USGS ScienceBase-Catalog, the R&V data are now hosted right here on MRLC.gov.
These R&V data provide Annual NLCD users with a statistical accuracy assessment of the land cover products, as well as the source reference data. This information helps users understand the accuracy of Annual NLCD and supports better decisions in research, land use planning, and resource management.

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Map of eastern CONUS with Ecological Potential data

RCMAP Ecological Potential Data Now Available

Published Jul 28, 2025

A new generation of RCMAP Ecological Potential (EP) vegetation cover components are now available. Rangelands have immense inherent spatial and temporal variability, yet assessments of land condition and trends are often assessed relative to the condition of a limited number of representative points or in some cases reference data for comparison is lacking. Understanding of the potential vegetation conditions of a site in an undisturbed state is invaluable for interpreting trends, disturbance impact, and restoration targets. EP was defined as the potential fractional cover of components (bare ground, herbaceous, litter, shrub, sagebrush, and tree) in the least disturbed and most productive spaces and times of western North America since 1985. This dataset enables: 1) setting realistic expectations for restoration and management targets, 2) better understanding of the extent of vegetation departure from potential and 3) improved spatial understanding of vegetation composition and productivity variation.

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