2012 to 2013 Airborne Electromagnetic (AEM) Surveys

2012 to 2013 Airborne Electromagnetic Survey (AEM)

The Lower Platte South and Lower Elkhorn NRDs conducted AEM flights in Summer 2013 using the Time Domain SkyTEM304 system (Dwight-Valparaiso-Brainard and Clarkson-Howells block flights, respectively). The U.S. Army Core of Engineers also flew the Mead block survey in the Lower Platte North NRD in 2012 and a public entity in the Lower Elkhorn NRD conducted an AEM reconnaissance survey in Madison County Nebraska in summer of 2013.

Interactive Map - Find Your Area of Interest:

image of 2012 and 2013 AEM flights in eastern Nebraska

Lower Elkhorn NRD Clarkson-Howells 2013 AEM Survey

Documents

Links

Data Report on Mapping the Hydrogeology of the Clarkson Area within the Lower Elkhorn Natural Resources District Using an Airborne Electromagnetic Survey

Datasets

Report on AEM flights conducted for the area between the towns of Clarkson and Howells that experienced record groundwater declines during 2012. Exploration Resources International (XRI) entered into an agreement with Lower Elkhorn to undertake the hydrogeologic study in 2013.

The results presented in the Clarkson-Howells Report have been provided in Google Earth format. You can download the free version of Google Earth Pro by clicking here. Once you have Google Earth installed on your computer you can download the .kmz file (656 KB) from the ENWRA Dropbox here. Dropbox is free for users. You do not need to sign-up for a Dropbox account to download the files (can be hard to find the download button). If you already have a Dropbox account, please save to your computer hard drive (choose download) so as to not fill up space on your personal Dropbox account.

Image of the Dropbox folder contents for Clarkson - Howells 2013 AEM survey

Image of the 20 ohm-m and up resistive units in the Clarkson Howells block

Lower Platte South NRD Dwight-Valparaiso-Brainard 2013 AEM Survey

Documents

pdf

Hydrogeologic Assessment and Framework Development of the Aquifers beneath the Brainard-Valparaiso Area of the Lower Platte South Natural R

/sites/default/files/2024-05/_LPS_AEM_REPORT_FINAL_text100dpi.pdf

Links

Datasets

Lower Platte South Report on AEM Survey in the Dwight-Valparaiso-Brainard (DVB) area Report on AEM flights conducted for the DVB area that experienced groundwater declines during 2012. XRI conducted the hydrogeologic study in August 2013.

Appendix 1-6 (PDF, 8.2 MB)

Appendix 7A (PDF, 9.8 MB)

Appendix 7B (PDF, 9.2 MB)

Appendix 7C (PDF, 4.0 MB)

Google Earth .kmz deliverables: