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Global Annual Average PM2.5 Grids from MODIS and MISR Aerosol Optical Depth (AOD), v1 (2001 – 2010)

Satellite-Derived Environmental Indicators

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

Summary File 3: Metropolitan Statistical Areas, v1 (1990)

U.S. Census Grids

To provide gridded demographic data, including characteristics of income, education, and housing, for metropolitan statistical areas at a finer resolution than is available in the 30 arc-second grids used for the United States as a whole.

Summary File 1: Metropolitan Statistical Areas, v1 (1990)

U.S. Census Grids

To provide gridded demographic data, including characteristics of age, race, ethnicity, and housing, for metropolitan statistical areas at a finer resolution than is available in the 30 arc-second grids used for the United States as a whole.

Urban Extents Grid, v1 (1995)

Global Rural-Urban Mapping Project (GRUMP), v1

To provide a raster representation of urban areas (or urban mask) for use with GRUMP population grids or other data sets.

Population Density Grid, v1 (1990, 1995, 2000)

Global Rural-Urban Mapping Project (GRUMP), v1

To provide a time series of raster population density data for data integration.

Population Count Grid, v1 (1990, 1995, 2000)

Global Rural-Urban Mapping Project (GRUMP), v1

To provide a time series of raster population data for ntegration with other data sets

National Identifier Grid, v1 (1990, 1995, 2000)

Global Rural-Urban Mapping Project (GRUMP), v1

To permit the summation of population values by country/territory and, in combination with other data layers, the summation of population values by irregular areas represented in the other data layers and country/territory.

Land and Geographic Unit Area Grids, v1 (1990)

Global Rural-Urban Mapping Project (GRUMP), v1

To provide land area data for use with GRUMPv1 population and urban data as well as a quantitative measure of resolution of the input spatial units for GRUMPv1.

Summary File 3: Metropolitan Statistical Areas, v1 (2000)

U.S. Census Grids

To provide gridded demographic data, including characteristics of income, education, and housing, for metropolitan statistical areas at a finer resolution than is available in the 30 arc-second grids used for the United States as a whole.

Summary File 1: Metropolitan Statistical Areas, v1 (2000)

U.S. Census Grids

To provide gridded demographic data, including characteristics of age, race, ethnicity, and housing, for metropolitan statistical areas at a finer resolution than is available in the 30 arc-second grids used for the United States as a whole.

Urban Landsat: Cities from Space, v1 (1999 – 2003)

Urban Landsat

To serve a wide user community by providing composite Landsat images and raw data for urban areas that can be used in interdisciplinary studies of remote sensing and the environment.

U.S. Population Grids (Summary File 3): New Orleans Metropolitan Statistical Area, alpha (2000)

Population Exposure to Natural Disasters

To provide gridded demographic data, including characteristics of income, poverty, education, and housing age, for New Orleans.

U.S. Population Grids (Summary File 1): New Orleans Metropolitan Statistical Area, alpha (2000)

Population Exposure to Natural Disasters

To provide gridded demographic data, including characteristics of age, race, ethnicity, and housing, for metropolitan statistical areas at a finer resolution than is available in the 30 arc-second grids used for the United States as a whole.

U.S. Population Grids (Summary File 1): Houston Metropolitan Statistical Area, alpha (2000)

Population Exposure to Natural Disasters

To provide gridded demographic data, including characteristics of age, race, ethnicity, and housing, for metropolitan statistical areas at a finer resolution than is available in the 30 arc-second grids used for the United States as a whole.

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