Tag Archives: Eastern Iowa

Disaster at Lake Delhi – #Landsat50

By #Time Lapse Tuesday, Environmental Change, Imagery, Landsat, Landsat Golden Jubilee, Outreach, Remote Sensing, USGS, , , , , , , , , , , ,

Well, it’s Water Wednesday. Today’s Landsat highlight is a time lapse video (2007-2017) showing the effect of a 2010 dam breach on the water level of Lake Delhi located in Delaware County in eastern Iowa. Notice the dramatic decrease in water and the exposure of large sandbars and the refilling of the lake as the

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2016 Imagery available for Eastern Iowa!

By Article, Imagery, , , , ,

Spring 2016 ortho imagery is now on the Orthoserver – http://ortho.gis.iastate.edu/.  ISU GIS Facility staff created natural color, color-infrared, and 4 band image services for the spring 2016 aerial flight of the eastern half of Iowa.  The source resolution is 1 foot.  The services can be found at: http://ortho.gis.iastate.edu/arcgis/rest/services/ortho .