Identification_Information: Citation: Citation_Information: Originator: Center for International Earth Science Information Network - CIESIN - Columbia University Publication_Date: 20181231 Title: Gridded Population of the World, Version 4 (GPWv4): Basic Demographic Characteristics, Revision 11 Edition: 4.11 Geospatial_Data_Presentation_Form: raster, map, map service Publication_Information: Publication_Place: Palisades, NY Publisher: NASA Socioeconomic Data and Applications Center (SEDAC) Online_Linkage: https://doi.org/10.7927/H46M34XX Description: Abstract: The Gridded Population of the World, Version 4 (GPWv4): Basic Demographic Characteristics, Revision 11 consists of estimates of human population by age and sex as counts (number of persons per pixel) and densities (number of persons per square kilometer), consistent with national censuses and population registers, for the year 2010. To estimate the male and female populations by age in 2010, the proportions of males and females in each 5-year age group from ages 0-4 to ages 85+ for the given census year were calculated. These proportions were then applied to the 2010 estimates of the total population to obtain 2010 estimates of male and female populations by age. In some cases, the spatial resolution of the age and sex proportions was coarser than the resolution of the total population estimates to which they were applied. The population density rasters were created by dividing the population count rasters by the land area raster. The data files were produced as global rasters at 30 arc-second (~1 km at the equator) resolution. To enable faster global processing, and in support of research communities, the 30 arc-second data were aggregated to 2.5 arc-minute, 15 arc-minute, 30 arc-minute and 1 degree resolutions. Purpose: To provide estimates of population counts by age and sex for the year 2010, consistent with national censuses and population registers, as raster data to facilitate data integration. Supplemental_Information: The documentation for this data set is available at http://sedac.ciesin.columbia.edu/data/set/gpw-v4-basic-demographic-characteristics-rev11/docs. Time_Period_of_Content: Time_Period_Information: Single_Date/Time: Calendar_Date: 20100701 Currentness_Reference: publication date Status: Progress: Complete Maintenance_and_Update_Frequency: As needed Spatial_Domain: Bounding_Coordinates: West_Bounding_Coordinate: -180.000000 East_Bounding_Coordinate: 180.000000 North_Bounding_Coordinate: 90.000000 South_Bounding_Coordinate: -90.000000 Keywords: Theme: Theme_Keyword_Thesaurus: GCMD Science Keywords, Version 8.6 Theme_Keyword: EARTH SCIENCE > HUMAN DIMENSIONS > POPULATION Theme: Theme_Keyword_Thesaurus: SEDAC Theme Theme_Keyword: Population Theme: Theme_Keyword_Thesaurus: Data Granularity Theme_Keyword: Country Theme_Keyword: Continent Theme_Keyword: Global Theme: Theme_Keyword_Thesaurus: ISO Topic Theme_Keyword: Society Place: Place_Keyword_Thesaurus: CIESIN Location Terms, Version 3.1 Place_Keyword: Global Access_Constraints: None Use_Constraints: This work is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0). Users are free to use, copy, distribute, transmit, and adapt the work for commercial and non-commercial purposes, without restriction, as long as clear attribution of the source is provided. Point_of_Contact: Contact_Information: Contact_Organization_Primary: Contact_Organization: NASA Socioeconomic Data and Applications Center (SEDAC) Contact_Address: Address_Type: mailing and physical address Address: CIESIN, Columbia University, 61 Route 9W, P.O. Box 1000 City: Palisades State_or_Province: New York Postal_Code: 10964 Country: United States Contact_Voice_Telephone: +1 845-365-8920 Contact_Facsimile_Telephone: +1 845-365-8922 Contact_Electronic_Mail_Address: ciesin.info@ciesin.columbia.edu Browse_Graphic: Browse_Graphic_File_Name: https://sedac.ciesin.columbia.edu/downloads/maps/gpw-v4/gpw-v4-basic-demographic-characteristics-rev11/gpw-v4-basic-demographic-characteristics-rev11-young-aging-thumbnail.jpg Browse_Graphic_File_Description: Global 2010 Young and Aging Populations Browse_Graphic_File_Type: JPEG Cross_Reference: Citation_Information: Originator: Doxsey-Whitfield, E., K. MacManus, S. B. Adamo, L. Pistolesi, J. Squires, O. Borkovska and S. R. Baptista Publication_Date: 20150724 Title: Taking Advantage of the Improved Availability of Census Data: A First Look at the Gridded Population of the World, Version 4 Geospatial_Data_Presentation_Form: journal article Series_Information: Series_Name: Papers in Applied Geography Issue_Identification: 1(3): 226-235 Online_Linkage: https://doi.org/10.1080/23754931.2015.1014272 Cross_Reference: Citation_Information: Originator: Center for International Earth Science Information Network - CIESIN - Columbia University Publication_Date: 20171222 Title: Gridded Population of the World, Version 4 (GPWv4): Basic Demographic Characteristics, Revision 10 Edition: 4.10 Geospatial_Data_Presentation_Form: raster, map Publication_Information: Publication_Place: Palisades, NY Publisher: NASA Socioeconomic Data and Applications Center (SEDAC) Online_Linkage: https://doi.org/10.7927/H45H7D7F Cross_Reference: Citation_Information: Originator: Center for International Earth Science Information Network - CIESIN - Columbia University Publication_Date: 20181231 Title: Gridded Population of the World, Version 4 (GPWv4): Administrative Unit Center Points with Population Estimates, Revision 11 Edition: 4.11 Geospatial_Data_Presentation_Form: vector, tabular, database, map, map service Publication_Information: Publication_Place: Palisades, NY Publisher: NASA Socioeconomic Data and Applications Center (SEDAC) Online_Linkage: https://doi.org/10.7927/H4BC3WMT Cross_Reference: Citation_Information: Originator: Center for International Earth Science Information Network - CIESIN - Columbia University Publication_Date: 20181231 Title: Gridded Population of the World, Version 4 (GPWv4): Data Quality Indicators, Revision 11 Edition: 4.11 Geospatial_Data_Presentation_Form: raster, map, map service Publication_Information: Publication_Place: Palisades, NY Publisher: NASA Socioeconomic Data and Applications Center (SEDAC) Online_Linkage: https://doi.org/10.7927/H42Z13KG Cross_Reference: Citation_Information: Originator: Center for International Earth Science Information Network - CIESIN - Columbia University Publication_Date: 20181231 Title: Gridded Population of the World, Version 4 (GPWv4): Land and Water Area, Revision 11 Edition: 4.11 Geospatial_Data_Presentation_Form: raster, map, map service Publication_Information: Publication_Place: Palisades, NY Publisher: NASA Socioeconomic Data and Applications Center (SEDAC) Online_Linkage: https://doi.org/10.7927/H4Z60M4Z Cross_Reference: Citation_Information: Originator: Center for International Earth Science Information Network - CIESIN - Columbia University Publication_Date: 20181231 Title: Gridded Population of the World, Version 4 (GPWv4): National Identifier Grid, Revision 11 Edition: 4.11 Geospatial_Data_Presentation_Form: raster, vector, map, map service Publication_Information: Publication_Place: Palisades, NY Publisher: NASA Socioeconomic Data and Applications Center (SEDAC) Online_Linkage: https://doi.org/10.7927/H4TD9VDP Cross_Reference: Citation_Information: Originator: Center for International Earth Science Information Network - CIESIN - Columbia University Publication_Date: 20181231 Title: Gridded Population of the World, Version 4 (GPWv4): Population Count, Revision 11 Edition: 4.11 Geospatial_Data_Presentation_Form: raster, map, map service Publication_Information: Publication_Place: Palisades, NY Publisher: NASA Socioeconomic Data and Applications Center (SEDAC) Online_Linkage: https://doi.org/10.7927/H4JW8BX5 Cross_Reference: Citation_Information: Originator: Center for International Earth Science Information Network - CIESIN - Columbia University Publication_Date: 20181231 Title: Gridded Population of the World, Version 4 (GPWv4): Population Density, Revision 11 Edition: 4.11 Geospatial_Data_Presentation_Form: raster, map, map service Publication_Information: Publication_Place: Palisades, NY Publisher: NASA Socioeconomic Data and Applications Center (SEDAC) Online_Linkage: https://doi.org/10.7927/H49C6VHW Cross_Reference: Citation_Information: Originator: Center for International Earth Science Information Network - CIESIN - Columbia University Publication_Date: 20181213 Title: Documentation for the Gridded Population of the World, Version 4 (GPWv4), Revision 11 Geospatial_Data_Presentation_Form: document Publication_Information: Publication_Place: Palisades, NY Publisher: NASA Socioeconomic Data and Applications Center (SEDAC) Online_Linkage: https://doi.org/10.7927/H45Q4T5F Cross_Reference: Citation_Information: Originator: Center for International Earth Science Information Network - CIESIN - Columbia University Publication_Date: 20181231 Title: Gridded Population of the World, Version 4 (GPWv4): Population Count Adjusted to Match 2015 Revision of UN WPP Country Totals, Revision 11 Edition: 4.11 Geospatial_Data_Presentation_Form: raster, map, map service Publication_Information: Publication_Place: Palisades, NY Publisher: NASA Socioeconomic Data and Applications Center (SEDAC) Online_Linkage: https://doi.org/10.7927/H4PN93PB Cross_Reference: Citation_Information: Originator: Center for International Earth Science Information Network - CIESIN - Columbia University Publication_Date: 20181231 Title: Gridded Population of the World, Version 4 (GPWv4): Population Density Adjusted to Match 2015 Revision UN WPP Country Totals, Revision 11 Edition: 4.11 Geospatial_Data_Presentation_Form: raster, map, map service Publication_Information: Publication_Place: Palisades, NY Publisher: NASA Socioeconomic Data and Applications Center (SEDAC) Online_Linkage: https://doi.org/10.7927/H4F47M65 Spatial_Data_Organization_Information: Direct_Spatial_Reference_Method: Raster Raster_Object_Information: Raster_Object_Type: Grid Cell Row_Count: 17400 Column_Count: 43200 Vertical_Count: 1 Spatial_Reference_Information: Horizontal_Coordinate_System_Definition: Geographic: Latitude_Resolution: 0.008333 Longitude_Resolution: 0.008333 Geographic_Coordinate_Units: Decimal degrees Geodetic_Model: Horizontal_Datum_Name: WGS84 Ellipsoid_Name: WGS84 Semi-major_Axis: 6378137.000000 Denominator_of_Flattening_Ratio: 298.257224 Distribution_Information: Distributor: Contact_Information: Contact_Organization_Primary: Contact_Organization: NASA Socioeconomic Data and Applications Center (SEDAC) Contact_Address: Address_Type: mailing and physical address Address: CIESIN, Columbia University, 61 Route 9W, P.O. Box 1000 City: Palisades State_or_Province: New York Postal_Code: 10964 Country: United States Contact_Voice_Telephone: +1 845-365-8920 Contact_Facsimile_Telephone: +1 845-365-8922 Contact_Electronic_Mail_Address: ciesin.info@ciesin.columbia.edu Resource_Description: CIESIN_SEDAC_GPWv4_BDC_R11 Distribution_Liability: CIESIN follows procedures designed to ensure that data disseminated by CIESIN are of reasonable quality. If, despite these procedures, users encounter apparent errors or misstatements in the data, they should contact SEDAC User Services at +1 845-465-8920 or via email at ciesin.info@ciesin.columbia.edu. Neither CIESIN nor NASA verifies or guarantees the accuracy, reliability, or completeness of any data provided. CIESIN provides this data without warranty of any kind whatsoever, either expressed or implied. CIESIN shall not be liable for incidental, consequential, or special damages arising out of the use of any data provided by CIESIN. Standard_Order_Process: Digital_Form: Digital_Transfer_Information: Fees: 0 Ordering_Instructions: The data in American Standard Code for Information Interchange (.asc), Georeferenced Tagged Image File Format (.tif), and Network Common Data Format Version 4 (.nc) formats; and the maps in Portable Document Format (.pdf), and Portable Network Graphics (.png) formats are available from the NASA Socioeconomic Data and Applications Center (SEDAC). Standard_Order_Process: Digital_Form: Digital_Transfer_Information: Format_Name: ASCII File_Decompression_Technique: Unzip Digital_Transfer_Option: Online_Option: Computer_Contact_Information: Network_Address: Network_Resource_Name: https://sedac.ciesin.columbia.edu/data/set/gpw-v4-basic-demographic-characteristics-rev11/data-download Access_Instructions: Data accessible via the data set landing page. 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Box 1000 City: Palisades State_or_Province: New York Postal_Code: 10964 Country: United States Contact_Voice_Telephone: +1 845-365-8988 Contact_Facsimile_Telephone: +1 845-365-8922 Contact_Electronic_Mail_Address: metadata@ciesin.columbia.edu Metadata_Standard_Name: FGDC Content Standards for Digital Geospatial Metadata Metadata_Standard_Version: FGDC-STD-001-1998 Metadata_Time_Convention: local time