Tag Archives: imagery

ISU Mapathon Greatest hits…show the highlights reel!

Over the past few years the ISU GIS Facility has hosted a number of mapathons. Most of our mapathons have a time set aside for mapping in Iowa and then a time where we focus on international projects.

It is amazing what even a small group of mappers can do to add to the OpenStreetMap basemap in a small town in Iowa. Below are three examples of demonstrating how a mapathon event can add to the OpenStreetMap.

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Happy GIS Day 2020! #GISDay

As a way to celebrate GIS Day and OpenStreetMap, we are encouraging everyone to go online either during this week or on GIS Day and contribute to the OpenStreetMap basemap. You may consider improving the basemap in your own community. Here are several projects to consider: Public Lab Mongolia – https://tasks.hotosm.org/projects/9560/Public Lab Mongolia (PLM), a local

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And now for something weird: Joseph Kerski’s Weird Earth

Today we will be joining Joseph Kerski, a Geographer and GIS education enthusiast, exploring Weird Earth: Exploring the Earth with Interesting, Bizarre, and Odd Imagery. Joseph provides a narrated video on Youtube (primarily targeted at educators) but you can also explore these fascinating places on your own using this ArcGIS Online map. Thank you, Joseph,

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What does social distancing look like? – A View from Space

A couple weeks ago Bloomberg News posted an interesting article (click here to read the article) showing how the stay at home orders are effecting areas around the world using high resolution satellite imagery. Below is an example showing Venice, Italy on October 20, 2019 compared to March 18, 2020 after the residents were asked

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Loess Hills: 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. Loess Deep deposits of wind-blown silt define the

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Algona Moraine: 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. Algona The elevated curved features in this map

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Oneota River Valley: 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. Oneota Originally called the Oneota, the central river

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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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