josephbarraud.dev

Author

Dr Joseph Barraud

Geophysics, Python and More…

The following articles were written between 2016 and 2018 for my website geophysicslabs.com. While the website (and the consultancy company I had created) sadly no longer exists, I have moved the old Wordpress site to Github Pages, and converted the files to Quarto documents.

Create Globes with Basemap and Cartopy
geophysics
python
In this short post, I am showing how to create maps in the orthographic projection, which, to most of us, corresponds to the globe as seen from outer space. As usual, the…
Dr Joseph Barraud
Mar 4, 2018

Colormaps and Colorbars
geophysics
potential-field
python
Every now and then, the geophysics community debates furiously about which colormap is best to display geophysical data. This is not a new issue and the starting point for…
Dr Joseph Barraud
Dec 19, 2017

Free-air gravity anomalies derived from satellite altimetry (“Sandwell and Smith” data version 24.1)

How to Load Sandwell & Smith Gravity Data in Python?
geophysics
potential-field
python
Mapping the depth of the oceans globally was one of the greatest successes of geophysics in the 20th century. Without bathymetry, we would not know the locations of…
Dr Joseph Barraud
Nov 3, 2017

Three notebooks to jump start a data science project
blog
data-science
machine-learning
python
I was in Paris last week for the 2017 Subsurface Hackathon. It was superbly organised by Agile Scientific and Total. Together, they managed to draw a large (about 60…
Dr Joseph Barraud
Jun 19, 2017

How to add cross-sections to OpendTect?
geophysics
python
seismic
This post is associated with a Jupyter notebook available on GitHub.
Dr Joseph Barraud
Feb 12, 2017

How to add maps to OpendTect?
geophysics
python
This post is associated with a couple of Jupyter notebook available on GitHub.
Dr Joseph Barraud
Dec 15, 2016

Hillshading with matplotlib
potential-field
python
Hillshading simulates the variable illumination of a surface by a directional light source. It is a great method to represent relief on a map and it works very well with…
Dr Joseph Barraud
Jul 13, 2016

Four colour maps.

Histogram Equalization in Python and matplotlib
geophysics
potential-field
python
When displaying geophysical data in a map, one may find it difficult to show both the presence of extremes and the subtle variations in the background signal. Histogram…
Dr Joseph Barraud
Jul 4, 2016

Woodhouse Moor #458 04/06/2016

Basic statistics with Parkrun data
blog
python
statistics
This post might not have much to do with geophysics but it is another way to share information and ideas about my interests. I am comparing in  a basic and simple way the…
Dr Joseph Barraud
Jun 18, 2016

Coordinate headers in Seisee

Manipulate SEGY files with segy2segy
geophysics
python
seismic
Working with seismic data is great but sometimes technical issues such as loading and converting files come in the way of the more interesting part of the job.
Dr Joseph Barraud
Jun 16, 2016
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