Where do you work and what is your role? My name is Ned Troshanov and I work as an Aquifer Data Analyst for the Edwards Aquifer Authority, San Antonio, Texas. What GIS success have you had this year and what product did you use? I succeeded to create a 3D geostructural model of the San Antonio segment of the Edwards Aquifer (Balcones Fault Zone) based on spatial interpolation of well geophysical log data in form of raster datasets of the available lithological formation in ArcMap and subsequent extruding of the spaces between their TIN raster datasets in ArcScene. What is your expertise (GIS related or not), and how can that help the community? As a geologist and hydrogeologist, I'm using ArcGIS for interpolation of point data of different variable (geological units elevations, groundwater elevation surfaces, water-quality data, etc.) to visualize their space distribution in the subsurface and identify zones of functional interruptions (indicating inferred fault zones).
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