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23 research data, page 1 of 3

National Aggregates of Geospatial Data Collection: Population, Landscape, And Climate Estimates, Version 3 (PLACE III)

Center for International Earth Science Information Network - CIESIN - Columbia University (2012)
Publisher: Palisades, NY: NASA Socioeconomic Data and Applications Center (SEDAC)
The Population, Landscape, And Climate Estimates, Version 3 (PLACE III) data set contains estimates of national-level aggregations in urban, rural, and total designations of territorial extent and population size by biome, climate zone, coastal proximity zone, elevation zone, and population density zone, for 232 statistical areas (countries and other UN recognized territories). This data set is produced by the Columbia University Center for International Earth Science Information Network (CIE...

Last of the Wild Project, Version 2, 2005 (LWP-2): Global Human Influence Index (HII) Dataset (Geographic)

Wildlife Conservation Society - WCS; Center for International Earth Science Information Network - CIESIN - Columbia University (2005)
Publisher: Palisades, NY: NASA Socioeconomic Data and Applications Center (SEDAC)
The Global Human Influence Index Dataset of the Last of the Wild Project, Version 2, 2005 (LWP-2) is a global dataset of 1-kilometer grid cells, created from nine global data layers covering human population pressure (population density), human land use and infrastructure (built-up areas, nighttime lights, land use/land cover), and human access (coastlines, roads, railroads, navigable rivers). The dataset is produced by the Wildlife Conservation Society (WCS) and the Columbia University Cente...

Gridded Population of the World, Version 3 (GPWv3): Population Density Grid

Center for International Earth Science Information Network - CIESIN - Columbia University; Centro Internacional de Agricultura Tropical - CIAT (2005)
Publisher: Palisades, NY: NASA Socioeconomic Data and Applications Center (SEDAC)
Gridded Population of the World, Version 3 (GPWv3) consists of estimates of human population for the years 1990, 1995, and 2000 by 2.5 arc-minute grid cells and associated data sets dated circa 2000. A proportional allocation gridding algorithm, utilizing more than 300,000 national and sub-national administrative units, is used to assign population values to grid cells. The population density grids are derived by dividing the population count grids by the land area grid and represent persons ...

Global 15 x 15 Minute Grids of the Downscaled Population Based on the SRES B2 Scenario, 1990 and 2025

Gaffin, S.R.; Xing, X.; Yetman, G. (2004)
Publisher: Palisades, NY: NASA Socioeconomic Data and Applications Center (SEDAC)
The Global 15x15 Minute Grids of the Downscaled Population Based on the Special Report on Emissions Scenarios (SRES) B2 Scenario, 1990 and 2025, are geospatial distributions of the downscaled population per unit area (population densities). These global grids were generated using the Country-level Population and Downscaled Projections Based on the SRES B2 Scenario, 1990-2100 data set, and CIESIN's Gridded Population of World, Version 2 (GPWv2) data set as the base map. The 1990 GPW was used a...

Global Agricultural Lands: Pastures, 2000

Ramankutty, N.; Evan, A.T.; Monfreda, C.; Foley, J.A. (2010)
Publisher: Palisades, NY: NASA Socioeconomic Data and Applications Center (SEDAC)
The Global Pastures data set represents the proportion of land areas used as pasture land (land used to support grazing animals) in the year 2000. Satellite data from Modetate Resolution Imaging Spectroradiometer (MODIS) and Satellite Pour l'Observation de la Terre (SPOT) Image Vegetation sensor were combined with agricultural inventory data to create a global data set. The visual presentation of this data demonstrates the extent to which human land use for agriculture has changed the Earth a...

HANPP Collection: Global Patterns in Net Primary Productivity (NPP)

Imhoff, M.L.; Bounoua, L.; Ricketts, T.; Loucks, C.; Harriss, R.; Lawrence, W.T. (2004)
Publisher: Palisades, NY: NASA Socioeconomic Data and Applications Center (SEDAC)
The Global Patterns in Net Primary Productivity (NPP) portion of the HANPP Collection maps the net amount of solar energy converted to plant organic matter through photosynthesis. NPP is measured in units of elemental carbon and represents the primary food energy source for the world's ecosystems. This data set is distributed by the Columbia University Center for International Earth Science Information Network (CIESIN).

Global Rural-Urban Mapping Project, Version 1 (GRUMPv1): Urban Extents Grid

Center for International Earth Science Information Network - CIESIN - Columbia University; International Food Policy Research Institute - IFPRI; The World Bank; Centro Internacional de Agricultura Tropical - CIAT (2011)
Publisher: Palisades, NY: NASA Socioeconomic Data and Applications Center (SEDAC)
The Global Rural-Urban Mapping Project, Version 1 (GRUMPv1) consists of estimates of human population for the years 1990, 1995, and 2000 by 30 arc-second (1km) grid. The urban extent grids distinguish urban and rural areas based on a combination of population counts (persons), settlement points, and the presence of Nighttime Lights . Areas are defined as urban where contiguous lighted cells from the Nighttime Lights or approximated urban extents based on buffered settlement points for which t...

Gridded Population of the World, Version 4 (GPWv4): Population Density

Center for International Earth Science Information Network - CIESIN - Columbia University (2016)
Publisher: Palisades, NY: NASA Socioeconomic Data and Applications Center (SEDAC)
Gridded Population of the World, Version 4 (GPWv4) Population Density consists of estimates of human population density based on counts consistent with national censuses and population registers, for the years 2000, 2005, 2010, 2015, and 2020. A proportional allocation gridding algorithm, utilizing approximately 12.5 million national and sub-national administrative units, is used to assign population values to 30 arc-second (~1 km) grid cells. The population density grids are derived by divid...

Global Annual Average PM2.5 Grids from MODIS and MISR Aerosol Optical Depth (AOD)

Battelle Memorial Institute; Center for International Earth Science Information Network - CIESIN - Columbia University (2013)
Publisher: Palisades, NY: NASA Socioeconomic Data and Applications Center (SEDAC)
Global Annual PM2.5 Grids from MODIS and MISR Aerosol Optical Depth (AOD) data sets represent a series of annual average grids (2001-2010) of fine particulate matter (solid particles and liquid droplets) that were derived from Moderate Resolution Imaging Spectroradiometer (MODIS) and Multi-angle Imaging SpectroRadiometer (MISR) AOD satellite data. Together the grids provide a continuous surface of concentrations in micrograms per cubic meter of particulate matter of 2.5 micrometers or smaller...

Global Rural-Urban Mapping Project, Version 1 (GRUMPv1): Population Density Grid

Center for International Earth Science Information Network - CIESIN - Columbia University; International Food Policy Research Institute - IFPRI; The World Bank; Centro Internacional de Agricultura Tropical - CIAT (2011)
Publisher: Palisades, NY: NASA Socioeconomic Data and Applications Center (SEDAC)
The Global Rural-Urban Mapping Project, Version 1 (GRUMPv1) consists of estimates of human population for the years 1990, 1995, and 2000 by 30 arc-second (1km) grid. The population density grids measure population per square km. A proportional allocation gridding algorithm, utilizing more than 1,000,000 national and sub-national geographic units, is used to assign population values to grid cells. The population count grids are divided by the land area grid to produce population densities. Thi...