for questions related to modelling of the earth beneath its surface.

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0
votes
0answers
25 views

GMS or Rockworks for visualizing and modelling subsurface data

For my MSc thesis, I am working on developing geotechnical hazard maps in the middle East. The summary of the research problem is as follows: There is gypsum in the subsurface of some towns, which is ...
1
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0answers
75 views

Creating Fence Diagrams from Electromagnetic (EM) Conductance Survey

I am looking for some help with creating fence diagrams in GIS for Electromagnetic Conductance surveys. I have points along a line that represent sample locations with three different depths (readings)...
5
votes
1answer
773 views

3D geological model from cross sections, preferably using Open Source software

I work with engineering geology, and my workflow includes making many cross sections of a given site, with data from maps, fieldwork (outcrops) and boreholes. What I'm looking for is a way of taking ...
3
votes
3answers
769 views

3D soil profile from borehole information

I wonder what would be the best option if I want to build a 3D soil model in GIS from borehole information? Basically I want to generate several 3D soil layer surfaces. Can everything be done using ...
0
votes
1answer
84 views

What is the difference between `Area_2D`, `Area_3D`, and `Volume` in surface volume calculation? [duplicate]

I want to know the meaning of output text files of surface volume dialog box. For example, the file contains headers and numbers as below: Dataset, Plane_Height, Reference, Z_Factor, Area_2D, Area_3D,...
1
vote
0answers
22 views

How does the output text file of surface volume work? [duplicate]

I want to know the meaning of output text files of surface volume dialog box. For example, the file contains headers and numbers as below: Dataset, Plane_Height, Reference, Z_Factor, Area_2D, Area_3D,...
1
vote
3answers
314 views

cost surface generation

I would like to have guidance on how to generate a cost surface for the data I have. In essence, I got a 1x1 DEM for the territory under study (namely, an island) and I have also digitized the spring-...
5
votes
0answers
347 views

Has anyone used ArcGIS for 'automatically' detecting lineaments from a high-resolution (1m) DEM? [closed]

I have a set of DEM's produced from LIDAR data. I am wondering if anyone is familiar with or knew of any published research papers which looked at (semi-)automatically detecting lineaments /or ...
1
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1answer
2k views

2D/3D Area parameter differences in Surface Volume calculation dialog box?

In dialog box of volume surface calculation and also in ASCII file there are 2 out come with names 2D Area and 3D Area. What is difference between these two numbers? What is included in 3D that is not ...
0
votes
1answer
571 views

Extrude Inclined 3D Boreholes

I need to extrude the 3D Borewell data using the inclined angle in ArcScene. I've seen only the options for extruding them in one direction(i.e., perpendicular downwards or upwards). I got point data ...
7
votes
5answers
3k views

3D subsurface modelling

I am a student and initiating a thesis project for MS specialize degree in geophysics. I am working on tectono - stratigraphy of some area and want to do the 3D subsurface modelling of the same area ...
6
votes
4answers
1k views

Does anyone know of a good unaffiliated review of Rockworks?

I've been struggling to find a good software package for drillhole data management, subsurface geology modelling, and visualization (both 2D and 3D): something that can also be used to produce ...