Skip to main content

Questions tagged [subsurface]

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

Filter by
Sorted by
Tagged with
0 votes
0 answers
28 views

Calculating/determining point on elevation surface closest to point underground using ArcGIS Pro

I wish to find the spot on the earth's surface that is closest to my underground point. Which tools do I use to calculate this? I am modeling in a Gobal Scene various layers, including one layer which ...
plf3's user avatar
  • 1
0 votes
1 answer
30 views

QGIS - transfer outcrop pixels from a DEM raster onto another raster surface at a lower level

In QGIS I would like a solution that will transfer pixels from a DEM raster onto another raster surface at a lower level. I am trying to create 2 geological surfaces, one being ground level (GL) and ...
Fitch's user avatar
  • 39
0 votes
0 answers
42 views

Stacked bar symbols for points in ArcGIS Online

Is there a way to represent single points as stacked bars using multiple elevation attributes on the points in AGOL 3d Scene or by building in ArcGIS Pro and pushing out to AGOL? I would want to color ...
J Thomas's user avatar
0 votes
2 answers
1k views

Creating bathymetry maps using sonar data in SAGA

I am a geologist, however somewhat of a newbie to GIS. As a personal project, I am looking to create some bathymetric maps of some local fishing lakes. I am looking to do this using free open source ...
Liam Murphy's user avatar
1 vote
1 answer
1k views

How to interpolate subsurface geology from borehole data [duplicate]

I have borehole data (x, y, z values for each subsurface measurement, and its associated lithology). I would like to interpolate the borehole data to create 1) interpolated subsurfaces and 2) ...
Ana's user avatar
  • 61
1 vote
0 answers
577 views

Creating Fence Diagrams from Electromagnetic (EM) Conductance Survey [closed]

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)...
E. Dare's user avatar
  • 11
12 votes
3 answers
13k 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 ...
Marcos Saito's user avatar
3 votes
3 answers
5k 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 ...
rampion's user avatar
  • 33
0 votes
1 answer
592 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,...
user28541's user avatar
  • 201
0 votes
3 answers
589 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-...
NewAtGis's user avatar
  • 1,536
5 votes
0 answers
779 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 ...
user28541's user avatar
  • 201
2 votes
1 answer
5k 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 ...
user28541's user avatar
  • 201
0 votes
1 answer
1k 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 ...
Ramakrishna Billakanti's user avatar
9 votes
6 answers
5k 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 ...
sunshine786's user avatar
6 votes
5 answers
2k 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 ...
Jakub Sisak GeoGraphics's user avatar