Subsurface Analyst GIS in Water Resources Fall 2009

Subsurface Analyst GIS in Water Resources Fall 2009 With contributions from Gil Strassberg (Aquaveo), Tim Whiteaker (UT Austin)

Subsurface Analyst Set of tools that are part of the AHGW Tools Create and Edit 3 D models of the subsurface including: • Borehole data (as 3 D points or intervals) • Surfaces • Cross Sections • Volume models

Borehole Editor • Display and edit vertical data along wells • Inputs are a Well feature class and a Borehole. Log table containing the vertical data

3 -D Features representing borehole data • Create 3 -D Points and Lines representing data along boreholes Well features Tabular vertical data 3 -D Point / Line features

Geo. Rasters (surfaces) Rasters stored in a geodatabase (raster catalog)

Create 3 -D features from Geo. Rasters Geo. Sections Geo. Volumes

Hydrogeologic Unit Color Manager • Control the symbology of multiple layers based on a common hydrogeologic identifier

Cross Section Editor • Goal – Display and edit cross section features in Arc. Map • Problem – Arc. Map isn’t suited for displaying and editing predominantly vertical features • Solution – Create new feature class where we transpose “z” to “y” – Build features with GP tools, edit with standard Arc. Map tools – Show result in separate data frame

Section Lines and Cross Section Line Plan View Cross Section

Cross Section Features Major Grid Boreline Minor Grid (as map tick) Panel Divider Z S Cross Section Panels

Cross Section Editor Toolbox • GP tools form the building blocks • AHGW toolbar commands provide a friendlier user interface for calling the tools

Demos • Wells and boreholes • Cross section editor • Wells and time series