Automated estimation of trends, discontinuities and nonlinearities in vertical land motion using Bayesian Inference. Framework to detecting change points in GNSS, 'altimetry minus tide gauge' and other geophysical time series.

Before cloning this repository, please read carefully the following rules:

• The discotimes framework is a work in progress, it is subject to changes
• Please refer to the publication, see here
• Licence: GPLv3

Install git

$ sudo apt install git

Install miniconda

$ wget https://repo.anaconda.com/miniconda/Miniconda3-latest-Linux-x86_64.sh
$ bash Miniconda3-latest-Linux-x86_64.sh

Download and install git from here.

Download and install Miniconda from here.

either activate an existing conda environment or create a new one with:

 $ conda create --name <env_name> python=3.7
 $ conda activate <env_name>    

download the required packages with:

 $ pip install git+https://github.com/oelsmann/discotimes 
 $ conda install -c conda-forge theano-pymc -y

Check out the brief Tutorial.

Oelsmann, J.; Passaro, M.; Sánchez, L.; Dettmering, D.; Schwatke, C.; Seitz, F.; Bayesian modelling of piecewise trends and discontinuities to improve the estimation of coastal vertical land motion. Submitted to Journal of Geodesy, 2021

Blewitt G, Kreemer C, Hammond WC, Gazeaux J (2016) Midas robust trend estimator for accurate gps station velocities without step detection. Journal of Geophysical Research: Solid Earth 121(3):2054–2068, DOI 10.1002/2015JB01255

Caron L, Ivins ER, Larour E, Adhikari S, Nilsson J, Blewitt G (2018) Gia model statistics for grace hydrology, cryosphere, and ocean science. Geophysical Research Letters 45(5):2203– 2212, DOI 10.1002/2017GL076644

Frederikse T, Landerer F, Caron L, Adhikari S, Parkes D, Humphrey V, Dangendorf S, Hogarth P, Zanna L, Cheng L, Wu YH (2020) The causes of sea-level rise since 1900. Nature 584:393–397, DOI 10.1038/s41586-020-2591-3

Holgate SJ, Matthews A, Woodworth PL, Rickards LJ, Tamisiea ME, Bradshaw E, Fo-den PR, Gordon KM, Jevrejeva S, Pugh J (2013) New Data Systems and Products at the Permanent Service for Mean Sea Level. Journal of Coastal Research pp 493–504, DOI 10.2112/JCOASTRES-D-12-00175.1, URLhttps://doi.org/10.2112/JCOASTRES-D-12-00175.1