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Global Estimated Net Migration Grids by Decade: 1970-2000

Metadata Updated: August 28, 2023

The Global Estimated Net Migration by Decade: 1970-2000 data set provides estimates of net migration over the three decades from 1970 to 2000. Because of the lack of globally consistent data on migration, indirect estimation methods were used. The authors relied on a combination of data on spatial population distribution for four time slices (1970, 1980, 1990, and 2000) and subnational rates of natural increase in order to derive estimates of net migration on a 30 arc-second (~1km) grid cell basis. Net migration was estimated by subtracting the population in time period 2 from the population in time period 1, and then subtracting the natural increase (births minus deaths). The residual was considered to be net migration (in-migrants minus out-migrants). The authors ran 13 geospatial net migration estimation models based on outputs from the same number of imputation runs for urban and rural rates of natural increase.This data set represents the average of those runs. These data are reliable at broad scales of analysis (e.g. ecosystems or regions), but are generally not reliable for local level analyses. The data were produced for the United Kingdom Foresight project on Migration and Global Environmental Change.

Access & Use Information

Public: This dataset is intended for public access and use. License: No license information was provided. If this work was prepared by an officer or employee of the United States government as part of that person's official duties it is considered a U.S. Government Work.

Downloads & Resources

Dates

Metadata Created Date November 12, 2020
Metadata Updated Date August 28, 2023

Metadata Source

Harvested from NASA Data.json

Graphic Preview

Maps Download Page

Additional Metadata

Resource Type Dataset
Metadata Created Date November 12, 2020
Metadata Updated Date August 28, 2023
Publisher SEDAC
Maintainer
Identifier C1000000660-SEDAC
Data First Published 2015-09-18
Language en-US
Data Last Modified 2015-09-18
Category POPDYNAMICS, geospatial
Public Access Level public
Bureau Code 026:00
Metadata Context https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld
Metadata Catalog ID https://data.nasa.gov/data.json
Schema Version https://project-open-data.cio.gov/v1.1/schema
Catalog Describedby https://project-open-data.cio.gov/v1.1/schema/catalog.json
Citation de Sherbinin, A., M. Levy, S. Adamo, K. MacManus, G. Yetman, V. Mara, L. Razafindrazay, B. Goodrich, T. Srebotnjak, C. Aichele, and L. Pistolesi. 2015-09-18. Global Estimated Net Migration Grids by Decade: 1970-2000. Version 1.00. Palisades, NY. Archived by National Aeronautics and Space Administration, U.S. Government, NASA Socioeconomic Data and Applications Center (SEDAC). https://doi.org/10.7927/H4319SVC. https://doi.org/10.7927/H4319SVC.
Creator de Sherbinin, A., M. Levy, S. Adamo, K. MacManus, G. Yetman, V. Mara, L. Razafindrazay, B. Goodrich, T. Srebotnjak, C. Aichele, and L. Pistolesi
Graphic Preview Description Maps Download Page
Graphic Preview File https://sedac.ciesin.columbia.edu/data/set/popdynamics-global-est-net-migration-grids-1970-2000/maps
Harvest Object Id f9b0292c-8d59-4847-ba38-e46ec1e0815a
Harvest Source Id 58f92550-7a01-4f00-b1b2-8dc953bd598f
Harvest Source Title NASA Data.json
Homepage URL https://doi.org/10.7927/H4319SVC
Metadata Type geospatial
Old Spatial -180.0 -55.766667 180.0 83.633333
Program Code 026:001
Release Place Palisades, NY
Source Datajson Identifier True
Source Hash 3b233035b24aaa0b6abf422d8f644b92c22ea3ea
Source Schema Version 1.1
Spatial
Temporal 1970-01-01T00:00:00Z/2000-12-31T00:00:00Z

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