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Summary File 1, v1 (2010 – 2010)

U.S. Census Grids

To provide gridded demographic data, including characteristics of age, race, ethnicity, and housing, for the United States and Puerto Rico for data integration.

Global 3-Year Running Mean Ground-Level NO2 Grids from GOME, SCIAMACHY and GOME-2, v1 (1996 – 2012)

Satellite-Derived Environmental Indicators

To provide a continuous surface of NO2 concentrations for health and environmental research.

Dar es Salaam Land Use and Informal Settlement Data Set, v1 (1982, 1992, 1998, 2002)

Urban Spatial Data

To provide urban land use and informal settlements for the years 1982, 1992, 1998, and 2002 in Dar es Salaam, Tanzania.

Global Gridded Geographically Based Economic Data (G-Econ), v4 (1990, 1995, 2000, 2005)

Spatial Economic Data

To provide global gridded Gross Domestic Product (GDP) data in both Market Exchange Rate (MER) and Purchasing Power Parity (PPP) to be used for socioeconomic, environmental, climate, and other related research.

Global Urban Heat Island (UHI) Data Set, v1 (2013)

Satellite-Derived Environmental Indicators

To provide a global data set of average summer daytime maximum/nighttime minimum land surface temperatures (LSTs) for urban extents, as well as the LST difference between the urban area and the buffer.

Global Summer Land Surface Temperature (LST) Grids, v1 (2013)

Satellite-Derived Environmental Indicators

To provide raster representations of global summer daytime maximum and nighttime minimum surface temperature for studies related to human health and climate change.

Population Density, v4 (2000, 2005, 2010, 2015, 2020)

Gridded Population of the World (GPW), v4

To provide estimates of population density for the years 2000, 2005, 2010, 2015, and 2020, based on counts consistent with national censuses and population registers, as raster data to facilitate data integration.

UN-Adjusted Population Density, v4 (2000, 2005, 2010, 2015, 2020)

Gridded Population of the World (GPW), v4

To provide estimates of population density for the years 2000, 2005, 2010, 2015, and 2020, based on counts consistent with national censuses and population registers with respect to relative spatial distribution, but adjusted to match United Nations country totals.

Population Count, v4 (2000, 2005, 2010, 2015, 2020)

Gridded Population of the World (GPW), v4

To provide estimates of population count for the years 2000, 2005, 2010, 2015, and 2020, consistent with national censuses and population registers, as raster data to facilitate data integration.

UN-Adjusted Population Count, v4 (2000, 2005, 2010, 2015, 2020)

Gridded Population of the World (GPW), v4

To provide estimates of population count for the years 2000, 2005, 2010, 2015, and 2020, consistent with national censuses and population registers with respect to relative spatial distribution, but adjusted to match United Nations country totals. 

National Identifier Grid, v4 (2010)

Gridded Population of the World (GPW), v4

To provide a raster representation of nation-states in GPWv4 for use in aggregating population data.

Land and Water Area, v4 (2010)

Gridded Population of the World (GPW), v4

To provide pixel-level land and water surface area estimates.

Data Quality Indicators, v4 (2010)

Gridded Population of the World (GPW), v4

To provide additional information about the quality of input population data and to provide context for the population count and density grids.

Administrative Unit Center Points with Population Estimates, v4 (2000, 2005, 2010, 2015, 2020)

Gridded Population of the World (GPW), v4

To provide a vector (point) version of the input administrative units used in GPWv4 with population estimates for use in data integration.

Environmental Performance Index, 2016 Release (1950 – 2016)

Environmental Performance Index (EPI)

To provide quantitative metrics for evaluating a country's environmental performance in different policy categories relative to clearly defined targets.

Global Mammal Richness Grids, 2015 Release (2013)

Gridded Species Distribution

To provide information on the number of mammal species present at a one-kilometer spatial resolution which can be used in modeling efforts, wildlife conservation planning, natural resource management, policy-making, biodiversity studies and human-environment interactions.

Global Amphibian Richness Grids, 2015 Release (2013)

Gridded Species Distribution

To provide information on the number of amphibian species present at a one-kilometer spatial resolution which can be used in modeling efforts, wildlife conservation planning, natural resource management, policy-making, biodiversity studies and human-environment interactions.

Global Annual PM2.5 Grids from MODIS, MISR and SeaWiFS Aerosol Optical Depth (AOD), v1 (1998 – 2012)

Satellite-Derived Environmental Indicators

To provide a continuous surface of concentrations (micrograms per cubic meter) of fine particulate matter of 2.5 micrometers or smaller (PM2.5) for health and environmental research.

Global Estimated Net Migration Grids By Decade, v1 (1970 – 2000)

Population Dynamics

To provide estimates of net-migration (in-migration minus out-migration) per one-kilometer grid cell on a decadal basis for the 1970s, 1980s, and 1990s.

Global Grid of Probabilities of Urban Expansion to 2030, v1 (2000 – 2030)

Land Use and Land Cover

To assess likely future areas of urban expansion up to the year 2030.

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