The study also presents the first ever global field size map—an important proxy for mechanization and human development. This map was based entirely on crowdsourced data collected through IIASA’s Geo-Wiki project, a crowdsourcing initiative that relies on a global network of citizen scientists, who have looked at thousands of high-resolution images of land cover to determine whether cropland was present or not.
Se acaba de liberar el libro 'gvSIG: guía para el aprendizaje autónomo' realizado en el marco del Máster Universitario en Ingeniería del Agua y del Terreno , los autores del libro son Josefina García León, Antonio García Martín y Manuel Torres...
If you’re a Dropbox user there’s a number of ways that you can use Dropbox files with your ArcGIS Online web maps. Here’s a few tips and details on how. Using Dropbox share links Dropbox share links provide access to photos and files in your account.
TED Talks Map designer Aris Venetikidis is fascinated by the maps we draw in our minds as we move around a city -- less like street maps, more like schematics or wiring diagrams, abstract images of relationships between places.
This video touches on numerous themes that are crucial to geographers including: 1) how our minds arrange spatial information, 2) how to best graphically represent spatial information in a useful manner for your audience and 3) how mapping a place can be the impetus for changing outdated systems. This is the story of how a cartographer working to improve a local transportation system map, which in turn, started city projects to improve the infrastructure and public utilities in Dublin, Ireland. This cartographer argues that the best map design for a transport system needs to conform to how on cognitive mental mapping works more so than geographic accuracy (like so many subway maps do).
Son varias las plataformas en línea que permiten la creación de mapas geográficos. Este recurso es bastante útil para los medios de comunicación, que constantemente buscan nuevos recursos para la presentación de información de forma dinámica.
One of the best user friendly options out there for Mac users who want to run GIS software natively is QGIS (aka Quantum GIS). QGIS is an open source GIS software package that can be freely downloaded.
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