USGS - science for a changing world

The USGS Land Cover Institute (LCI)



Global Land Cover

Global Forest Change 20002013
Based on Earth-observing satellite data, this global forest change database comprehensively describes changes in the world's forests from the beginning of this century. This unparalleled survey of global forests tracked forest loss and gain at 30-meter resolution. Led by Matthew C. Hansen of the University of Maryland and assisted by USGS co-author Thomas R. Loveland, a team of scientists analyzed data from the Landsat 7 satellite to map changes in forests from 2000 to 2012 around the world at local to global scales. The uniform data from more than 650,000 scenes taken by Landsat 7 ensured a consistent global perspective across time, national boundaries, and regional ecosystems.

Web-based visualizations of these results are also available.

Global Forest Hansen
Global Forest Change 20002013

Global Land Cover Characteristics database
The USGS, the University of Nebraska-Lincoln, and the European Commission's Joint Research Centre have generated a 1-km resolution global land cover characteristics data base for use in a wide range of environmental research and modeling applications. The global land cover characteristics database was developed on a continent-by-continent basis. All continental databases share the same map projections (Interrupted Goode Homolosine and Lambert Azimuthal Equal Area), have 1-km nominal spatial resolution, and are based on 1-km Advanced Very High Resolution Radiometer (AVHRR) data spanning April 1992 through March 1993.

Global Land Cover Characteristics database
Global Land Cover Characteristics database

GlobCover
GlobCover is an European Space Agency initiative which began in 2005 in partnership with JRC, EEA, FAO, UNEP, GOFC-GOLD and IGBP. The aim of the project was to develop a service capable of delivering global composites and land cover maps using as input observations from the 300m MERIS sensor on board the ENVISAT satellite mission. ESA makes available the land cover maps, which cover 2 periods: December 2004 - June 2006 and January - December 2009.

GlobCover
GlobCover

Corine Land Cover (Europe)
The CORINE (Co-ORdinated INformation on the Environment) data series was established by the European Community as a means of compiling geo-spatial environmental information across the European continent. The first iteration of the data covered the reference year of 1990 with subsequent releases covering the years 2000 and 2006. CORINE has become a key data source for informing environmental and planning policy on a national and European level.

Corine land cover 1990 and Corine land cover changes 1975-1990
Corine land cover (CLC1990) 100m
Corine land cover 2006 (CLC2006) 250m
Corine land cover 2000 (CLC2000) 100 m
Corine land cover (CLC1990) 100 m - version 9/2007
Corine land cover 2000 (CLC2000) 250 m - version 9/2007

Corine
Corine Land Cover (Europe)

Global Forest Resources Assessment
The Food and Agricultural Organization of the United Nations, at the request of its member nations and the world community, has regularly reported on the state, changes and conditions of the world's forests about every 10 years. This survey, known as the Global Forest Resources Assessment (FRA 2000), provides crucial information describing the state and conditions of forest resources for the year 2000, and their changes over the last 20 years.

For more recent FRA information visit the Food and Agricultural Organization of the United Nations.

Global Forest Resources Assessment
Global Forest Resources Assessment

Global Distribution of Coral Reefs
This dataset shows the global distribution of coral reefs in tropical and subtropical regions. It is the most comprehensive global dataset of warm-water coral reefs to date, acting as a foundation baseline map for future, more detailed, work. This dataset was compiled from a number of sources by UNEP World Conservation Monitoring Centre (UNEP-WCMC) and the WorldFish Centre, in collaboration with WRI (World Resources Institute) and TNC (The Nature Conservancy). Data sources include the Millennium Coral Reef Mapping Project (IMaRS-USF and IRD 2005, IMaRS-USF 2005) and the World Atlas of Coral Reefs.

Global Distribution of Coral Reefs
Global Distribution of Coral Reefs

World Grassland Types
World Grassland Types provide a global biogeographical characterization of the Earth's large scale grassland ecosystems. The World Wild Life Fund developed an ecologically meaningful spatial catalogue of grasslands by combining two systems, the International Vegetation Classification, which describes an eight-level hierarchy of ecosystem expression, and the Terrestrial Ecoregions of the World, a biogeographic regionalization of the Earth's terrestrial biodiversity, to provide a distribution map of global grasslands. The framework provided by our geographical mapping effort provides a systematic overview of grasslands and sets the stage for more detailed classification and mapping at finer scales.

World Grassland Types
World Grassland Types

Land Cover for Agricultural Regions of Canada, circa 2000
The is a thematic land cover classification representative of circa year 2000 conditions for agricultural regions of Canada. Land cover is derived from Landsat 5 TM and/or 7 ETM+ multi-spectral imagery by inputting imagery and ground reference training data into a Decision-Tree or Supervised image classification process. Object segmentation, pixel filtering, and/or post editing is applied as part of the image classification.

Land Cover for Agricultural Regions of Canada, circa 2000
Land Cover for Agricultural Regions of Canada, circa 2000

Agriculture and Agri-Food Canada Annual Crop Inventory
Understanding the state and trends in agriculture production is essential to combat both short-term and long-term threats to stable and reliable access to food for all, and to ensure a profitable agricultural sector. Starting in 2009, the Earth Observation Team of the Science and Technology Branch (STB) at Agriculture and Agri-Food Canada (AAFC) began the process of generating annual crop type digital maps.

Agriculture and Agri-Food Canada Annual Crop Inventory
Agriculture and Agri-Food Canada Annual Crop Inventory








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Page Last Modified: December 2012