Category Archives: Imagery

Paha Ridges: Iowa Landforms Revealed

Obscured from view by vegetation and built structures, Iowa’s often subtle landforms are revealed through a LiDAR-derived bare earth digital elevation model in a Geographic Information System. Geological and human made features can be seen in this series of LiDAR color hillshade maps from across the State. Paha The elevated linear ridges in this map

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Introducing Iowa Landforms Revealed

This spring, Gregg Hadish of USDA Natural Resource Conservation Service and staff member of ISU GIS Facility put together a series of images called Iowa Landforms Revealed. The project looks at Iowa geological features using LiDAR. Gregg also used interesting color ramps to give these images an artistic component, inspired by the USGS Earth as

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Happy Earth Observation Day!

Gregg Hadish gave a great presentation about the Iowa Geographic Map Server to celebrate Earth Observation Day.  It was a hands-on demonstration of the Iowa Geographic Map Server ArcGIS App which meant participants could follow along as he explained the various features and functions of the map server. Gregg also showed participants how to leverage

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Earth Week 2017: Story Maps

Another way to connect with our world this Earth Week is to experience an ESRI Story Map.  Story maps use maps, map animations, photographs, sounds, and video to tell compelling stories on all sorts of topics.  The lastest maps on the Story Map website are beautiful and interactive applications for storytelling.   This month’s featured

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