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Questions tagged [global]

For questions regarding world-wide study or data.

52
votes
14answers
80k views

Seeking administrative boundaries for various countries?

After learning about the US Census's TIGERLines datasets I've working with the following layers, from the USA data Country boundaries State boundaries County boundaries City boundaries ZipCode/...
2
votes
3answers
4k views

Global shapefile of biomes/ecoregions?

I'm looking for a shapefile with this kind of information, only at considerably higher detail. In North America, ecoregions are classified by levels and grouped by vegetation type at much higher ...
11
votes
2answers
3k views

Projections appropriate for global analysis that preserve area and that preserve distance (but not necessarily in the same projection)

I am looking for a projection (or a set of projections) that decently preserve distances so that I can buffer every country in the world and have a similar level of minimal distortion for each. I ...
2
votes
2answers
1k views

Where can I find a global geocoding dataset based on postal code?

I'm looking to purchase a dataset (with a contract for updates) of postal codes to lat/long and city names for as much of the world as possible. Ideally the data would look like: country_code ...
1
vote
3answers
790 views

World map with clear difference between land, sea and inland waterways

I'm looking for a free high resolution map that clearly indicates the land and sea in the world. I need it to calculate distances over sea between ports. Additionally it should also include inland ...