新澳开奖

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and many volunteers support which is a “public domain map dataset ... featuring tightly integrated vector and raster data, with which you can make a variety of visually pleasing, well-crafted maps with GIS software.”

NASA and /Columbia University maintain the which “provides access to a wide range of global data, associated documentation, and visualization and analysis tools, and to the community of experts on global data.”

“provides census and survey data from around the world integrated across time and space.”  There are nine different databases, including US, international, and health.

 is a dynamic repository of officially sourced statistical data, which has been standardized, harmonized and given metadata to make the data more findable.

You can download country boundaries and data from in several different formats.

OCHA’s   provides the which has as its stated goal offering users to “find, share, and use humanitarian data all in one place -- population, health, environmental, and much more.” 

World Resources Institute provides which are held to traditional academic standards of excellence, including objectivity and rigor.

provides global climate data (minimum, mean, and maximum temperature and for precipitation for 1970-2000). 

 serves global data, largely in grid format, of human impact, land use, ecosystems, and water resources themes.

The provides Internet access to interactive maps, satellite imagery and related spatial databases maintained by FAO and its partners.

at Columbia University provides access to and enhances the use of information worldwide, advancing understanding of human interactions in the environment and serving the needs of science and public and private decision-making.

(accessed via Burke Library) includes a GIS Data tab with a number of sub-menus categorizing hundreds of GIS data sources.

The World Bank’s includes an with data in formats such as Excel.

ESRI provides access to many types of data via the . These layers can be added to your own maps created in any ArcGIS application.  ESRI also hosts , where people can easily find and download data in a variety of formats.

United States

The Department of the Interior maintains a for federal, state and local geographic data.

The coordinates the sharing of geographic data through an online portal that searches metadata held within the NSDI Clearinghouse network.

The is an easy-to-use source for environmental and natural resources data, plus additional demographic layers.

showcases examples and other information about the Protected Lands Database of the U.S., published by the U.S. Geological Survey’s Gap Analysis Program.

The USDA provides soil data and information produced by the National Cooperative Soil Survey.

The Census Bureau maintains the website, from which one can download census data in GIS-readable format, including files and web services at and geodatabases at . For historical census data, visit the .

For all topographical maps and data layers, visit the , maintained by the USGS.

The website includes the which describes ward-level health and environmental conditions in seven of America’s largest cities--Baltimore, Boston, Brooklyn, Chicago, Cincinnati, New York (Manhattan), and Philadelphia--from 1830 to 1930.  This data set includes ward boundaries and streets.

新澳开奖’s own Dave Tewksbury provided the extensive and carefully-vetted list of on the web site.  Thanks, Dave!

New York State

New York State data is maintained by the .  

Two more recent portals (which are part of the broader  initiative), serves more as a generalized repository for state agencies (and selected local governments) and focuses specifically on public health related datasets.

The NYS Office of Planning & Development has a new featuring not only data sets and maps but stories of how this data is being used, for example, in climate change and shorelines.

The is also a clearinghouse for information about New York State.

The provides a nice collection of datasets for New York State.

Links to GIS Data Provided by Research Universities

Miscellaneous Sources

The has lists of databases, maps & atlases, historical gazetteers and GIS.

is a privately-maintained index to free GIS-ready datasets “from arctic permafrost maps to gridded population data.”  This is a very comprehensive resource!

is a “collaboratively developed, open source, federated web application to rapidly discover, preview, and retrieve geospatial data from multiple repositories.”

Neat trick at : in the right-hand column, click the under the locator map to see a page of available data sources.

is a subscription service that offers "easy-to-use online mapping with data on demographics, real estate, health, jobs and more in communities across the US."

The collects survey data on a wide variety of topics.