Esri Releases Latest Land Cover Map with Improved AI Modeling
Land-use/Land-cover (LULC) maps contextualize and quantify the impacts of earth processes and human activity on the environment. Organizations around the world are now using these tools to inform policy and land management decisions around issues like sustainable development. In continued support of these users and their goals, Esri, the global leader in location intelligence, in partnership with Impact Observatory, has released a global land-use/land-cover map of the world based on the most up-to-date 10-meter Sentinel-2 satellite data for every year since 2017. Following the latest 2022 data released earlier this year, the artificial intelligence (AI) model for classification has been improved, making the maps more temporally consistent.
Year-over-year changes detected in the LULC time series maps can be key indicators for analysts and decision-makers. The AI model performing the global classification has been optimized to reduce model insufficiency, class ambiguity, and sensitivity to seasonal variability. The result is a higher confidence that changes detected represent meaningful real-world changes.
"Users are working with maps that will accurately reflect events and earth processes that are happening in reality," said Sean Breyer, Esri program manager for ArcGIS Living Atlas of the World. "We are constantly updating our land-cover map with new data and features, and this latest improvement ensures that anyone viewing temporal change can be confident what they are seeing represents the natural world."
With planned annual releases, users have the option to make year-over-year comparisons in global land cover today and into the future. This is especially important for organizations like national government resource agencies that use this data to define land-planning priorities and determine budget allocations. Governments, businesses, and scientists can now more reliably make these data comparisons.
Esri developed its Sentinel-2 10-Meter Land Use/Land Cover Time Series with European Space Agency (ESA) Sentinel-2 imagery hosted on the Microsoft Planetary Computer, and with machine learning workflows developed by Esri Silver partner Impact Observatory.
“With Esri’s support, Impact Observatory was able to further improve these fully automated maps of the world, which have already been independently assessed as the most accurate global land-cover maps available,” said Steve Brumby, Impact Observatory CEO. “These maps provide important insights into the large-scale patterns of our changing planet.”
The global LULC time series is available online to more than 10 million users of geographic information system (GIS) software through Esri's ArcGIS Living Atlas of the World, the foremost collection of geographic information and services, including maps and apps. It can also be viewed on the Sentinel-2 Land Cover Explorer, a dynamic, ready-to-use online application that allows anyone anywhere to easily observe change.
To explore Esri’s updated and improved land cover map online now, visit livingatlas.arcgis.com/landcoverexplorer.
About Impact Observatory
Impact Observatory is a mission-driven technology company bringing artificial intelligence (AI) powered algorithms and on-demand data to sustainability and environmental risk analysis for governments, non-profit organizations, companies, and markets. Impact Observatory is committed to making geospatial data more accessible and affordable for everyone. Founded in 2020 in Washington, DC, Impact Observatory’s mission is to empower global decision-makers to be planetary superheroes, with the timely, actionable science-based insights they need to succeed. Learn more at impactobservatory.com.
Esri, the global market leader in geographic information system (GIS) software, location intelligence, and mapping, helps customers unlock the full potential of data to improve operational and business results. Founded in 1969 in Redlands, California, USA, Esri software is deployed in hundreds of thousands of organizations globally, including Fortune 500 companies, government agencies, nonprofit institutions, and universities. Esri has regional offices, international distributors, and partners providing local support in over 100 countries on six continents. With its pioneering commitment to geospatial technology and analytics, Esri engineers the most innovative solutions that leverage a geographic approach to solving some of the world’s most complex problems by placing them in the crucial context of location. Visit us at esri.com.
Copyright © 2023 Esri. All rights reserved. Esri, the Esri globe logo, The Science of Where, esri.com, and @esri.com are trademarks, service marks, or registered marks of Esri in the United States, the European Community, or certain other jurisdictions. Other companies and products or services mentioned herein may be trademarks, service marks, or registered marks of their respective mark owners.
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Jo Ann Pruchniewski
Public Relations, Esri
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