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Planning is under way for the 2024 AGIC Education and Training Symposium! Arizona's premier GIS event will be held in Prescott, Arizona at the Prescott Resort and Conference Center on August 27 - August 30, 2024.  Start planning your presentations and map submission now! 



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GIS News

Crowdsourcing Geospatial Data for Earth and Human Observations: A Review

Friday, February 23, 2024 - 10:57am

The transformation from authoritative to user-generated data landscapes has garnered considerable attention, notably with the proliferation of crowdsourced geospatial data.


A Review Of The State Of Crowdsourced Geospatial Data

Friday, February 23, 2024 - 10:54am

Crowdsourcing, citizen science, public participatory GIS (PPGIS), neogeography: the participation of individuals in adding to the collective geospatial knowledge has come a long way since 2007 when UC Barbara geography professor Michael F. Goodchild coined the term “Volunteered Geography.” Also known as Volunteered Geographic Information (VGI), Goodchild’s seminal paper described the practice of individuals, commonly non-experts, voluntarily collecting and sharing geographic data


Mapping Glacier Loss In Western Canada

Friday, February 23, 2024 - 10:52am

Researchers are using remotely sensed data and satellite imagery to map glacier loss in Western Canada. Scientists use satellite images, like those produced by the long-running Landsat Earth observation satellites, to compare the size and extent of glaciers over time. By examining images from different years, they can track changes in glacier size, shape, and movement.


Cordiform: Heart-Shaped Map Projections

Friday, February 23, 2024 - 10:51am

Heart shaped map projections are known as cordiform map projections.  Cordiform is derived from the Latin “cor” for heart and “form” for shape.


How Normalized Difference Water Index Is Used To Map Flooding

Friday, February 23, 2024 - 10:48am

The Normalized Difference Water Index (NDWI) is a calculation used in remote sensing to monitor and measure the amount of moisture in vegetation and surface water bodies.



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