GeoPySics

GeoPySics is sandbox of Python implementations on geophysics

Gravity

Regional and residual anomaly separation from Complete Bouguer Anomaly (CBA) using 1D Fast Fourier Transform (FFT) and 2D Second Vertical Derivative (SVD)

<div> <img src="https://user-images.githubusercontent.com/51282928/77532985-932dfa80-6ec8-11ea-9e04-b39ba5536487.PNG" width="800"/> </div>

Seismic

Development of SeisTool, a Python utilities collection for seismic data processing, attributes calculation, and inversion

<div> <img src="https://user-images.githubusercontent.com/51282928/115356419-d6e75680-a1e5-11eb-8b06-404c99494957.png" width="800"/> </div>

Development of GeosoftML, which applies ML for seismic interpretation, seismic inversion, and geomodeling.

<a rel="license" href="http://creativecommons.org/licenses/by/4.0/"><img alt="Creative Commons License" style="border-width:0" src="https://licensebuttons.net/l/by-nc-sa/3.0/88x31.png" /></a><br />This work is licensed under a <a rel="license" href="http://creativecommons.org/licenses/by/4.0/">Creative Commons Attribution 4.0 International License</a>.

<!-- <div> <img src="https://user-images.githubusercontent.com/51282928/77532985-932dfa80-6ec8-11ea-9e04-b39ba5536487.PNG" width="800"/> </div> ### [See here](https://github.com/yohanesnuwara/computational-geophysics/tree/master/gravity) Data: [Roosevelt Hotsprings Geothermal USA from open-source USGS data](https://github.com/yohanesnuwara/computational-geophysics/blob/master/gravity/data/Gravity_UTM.txt) <div> <img src="https://user-images.githubusercontent.com/51282928/77532692-f5d2c680-6ec7-11ea-9db7-8c0d61e295b6.PNG" width="600"/> </div> ### Regional and residual anomaly separation using Fourier Transform and Moving Average #### FFT 1D slice into 2D map [See notebook](https://github.com/yohanesnuwara/computational-geophysics/blob/master/gravity/notebooks/fft_moving_average_2D_slice.ipynb) <div> <img src="https://user-images.githubusercontent.com/51282928/77532829-40544300-6ec8-11ea-9426-261bae10a1e2.PNG" width="700"/> </div> <div> <img src="https://user-images.githubusercontent.com/51282928/77571109-621cec80-6eff-11ea-8a94-341d459008e1.PNG" width="700"/> </div> #### FFT 2D with Radially Averaged Power Spectrum [See notebook]() ### Regional and residual anomaly separation using Second Vertical Derivative [See notebook](https://github.com/yohanesnuwara/computational-geophysics/blob/master/gravity/notebooks/second_vertical_derivative.ipynb) <div> <img src="https://user-images.githubusercontent.com/51282928/77532985-932dfa80-6ec8-11ea-9e04-b39ba5536487.PNG" width="800"/> </div> ## Seismic ### [`seis_util`](https://github.com/yohanesnuwara/computational-geophysics/blob/master/seismic/seis_util.py): Library for basic processing of seismic data. See [Notebook](https://github.com/yohanesnuwara/computational-geophysics/blob/master/seismic/seis_util.ipynb) > Use library `segyio` for seismic io * `slicing`: to slice inline, crossline, or timeslice from 3D seismic cube * `display_slice`: to display the seismic slices * `frequency_spectrum`: to compute frequency spectrum of an inline, a crossline, or the whole 3D cube Notebooks containing seismic processing and seismic attribute analysis of Dutch F3 seismic cube from [`open-geoscience-repository`](https://github.com/yohanesnuwara/open-geoscience-repository)  ### [`seis_widget`](https://github.com/yohanesnuwara/computational-geophysics/blob/master/seismic/seis_widget.py): Interactive slider to display slices of 3D seismic cube. See [Notebook](https://github.com/yohanesnuwara/computational-geophysics/blob/master/seismic/seis_widget.ipynb)  ### [`seis_attribute`]() ## Magnetic Still empty. ## Electrical Still empty. ## Electromagnetic Still empty.