http://scienceatlas.de/potthast/ 2026-04-20T08:53:11+00:00 http://scienceatlas.de/potthast/ http://scienceatlas.de/potthast/_media/wiki/logo.png text/html 2023-03-28T07:14:45+00:00 Anonymous (anonymous@undisclosed.example.com) http://scienceatlas.de/potthast/beamte?rev=1679987685&do=diff Beamte Infos and Links Wikipedia Intro * <http://en.wikipedia.org/wiki/Beamter> News by “Deutscher Beamtenbund” * <http://www.dbb.de/themen/beamte.html> Infos and Calculators (Salaries) * <http://oeffentlicher-dienst.info/beamte/> text/html 2023-03-28T07:14:45+00:00 Anonymous (anonymous@undisclosed.example.com) http://scienceatlas.de/potthast/cdo?rev=1679987685&do=diff [ misc ][ cdo ][ journals ][ fortran ][ mpi ][ paper notes ] CDO = Climate Data Operators See CDO Homepage at MPI. Some Usefull Commands Generate Land Sea Mask (Sea=0, Land=1) cdo -f nc -gtc,0 -remapcon,test.nc -topo land_sea_mask.nc The topography on the same resolution is given by: cdo -f nc -remap,test.nc -topo topography.nc text/html 2023-03-28T07:14:45+00:00 Anonymous (anonymous@undisclosed.example.com) http://scienceatlas.de/potthast/church_stuff?rev=1679987685&do=diff [ Welcome ][ Group ][ Research ][ Publications ][ CV ][ MISC ][ My Christian Blog ][ Church Stuff ] Church Stuff This is about some church activities, mainly in German. Roland text/html 2023-03-28T07:14:45+00:00 Anonymous (anonymous@undisclosed.example.com) http://scienceatlas.de/potthast/cognitive_computing?rev=1679987685&do=diff Cognitive Computing Some Links to the Web * Cognitive Computing Wikipedia <https://en.wikipedia.org/wiki/Cognitive_computing> * Watson Analytics <http://www.ibm.com/analytics/watson-analytics/> * Unstructured Information Management applications <http://uima.apache.org/> text/html 2023-04-14T05:37:28+00:00 Anonymous (anonymous@undisclosed.example.com) http://scienceatlas.de/potthast/cv?rev=1681450648&do=diff [ Welcome ][ Group ][ Research ][ Publications ][ CV ][ MISC ][ My Christian Blog ] Roland Potthast Short CV Current Positions: Director Meteorological Analysis and Modeling (Department FE1) at DWD/BMDV, Germany, [BMDV = Federal Ministry for Digital and Transport, until 2021 BMVI] [FE1 = Research and Development Department 1, DWD German Weather Service] Full Professor for Applied Mathematics, University of Reading, UK text/html 2023-03-28T07:14:45+00:00 Anonymous (anonymous@undisclosed.example.com) http://scienceatlas.de/potthast/feglt?rev=1679987685&do=diff text/html 2023-03-28T07:14:45+00:00 Anonymous (anonymous@undisclosed.example.com) http://scienceatlas.de/potthast/fortran?rev=1679987685&do=diff [ misc ][ cdo ][ journals ][ fortran ][ mpi ][ paper notes ] Fortran on the Web text/html 2024-07-04T18:29:57+00:00 Anonymous (anonymous@undisclosed.example.com) http://scienceatlas.de/potthast/group?rev=1720117797&do=diff [ Welcome ][ Group ][ Research ][ Publications ][ CV ][ MISC ][ My Christian Blog ] Research Group Current Group Structures and Members Deutscher Wetterdienst is a federal institution with a strong business area of research. The department for Numerical Weather Prediction (NWP) has about 115-120 scientists in house in four divisions (55-60 permanent). There are 7 leading scientists directly reporting to the NWP department head and/or head of research, including the four division heads. A… text/html 2023-03-28T07:14:45+00:00 Anonymous (anonymous@undisclosed.example.com) http://scienceatlas.de/potthast/journals?rev=1679987685&do=diff [ misc ][ cdo ][ journals ][ fortran ][ mpi ][ paper notes ] Journals Opportunities for Inverse Problems and Data Assimilation research. Core Inverse Problems/Data Assimilation Journals * Inverse Problems (IOP) <http://iopscience.iop.org/0266-5611/> * Inverse Problems and Imaging <http://aimsciences.org/journals/home.jsp?journalID=11> * Inverse and Ill-Posed Problems text/html 2023-03-28T07:14:45+00:00 Anonymous (anonymous@undisclosed.example.com) http://scienceatlas.de/potthast/misc?rev=1679987685&do=diff [ misc ][ cdo ][ journals ][ fortran ][ mpi ][ paper notes ][ Beamte ] Misc This is a page for various notes and quick tests ... Many times I had someone on the other part of the line and wanted to talk about mathematics ... so you need some space where you can quickly type some ideas in LaTeX and the other person with internet connection can read it ... text/html 2023-03-28T07:14:45+00:00 Anonymous (anonymous@undisclosed.example.com) http://scienceatlas.de/potthast/misc2?rev=1679987685&do=diff Just for Working Sessions Nov 27, 2013 and Dec 6, 2013. We consider some observation operator $H: X\rightarrow Y$ defined on the space $X$. Our goal is to solve an operator equation of the type \begin{equation} \label{eq org} H \varphi = f \end{equation} with $f \in Y$ given. Here, we think of $X$ as a finite dimensional space. Then, it is isomorphic to $\mathbb{R}^n$, with $n \in \mathbb{N}$. In the same way, the finite dimensional space $Y$ will be isomorphic to $\mathbb{R}^m$ for some $m… text/html 2023-03-28T07:14:45+00:00 Anonymous (anonymous@undisclosed.example.com) http://scienceatlas.de/potthast/misc3?rev=1679987685&do=diff Hello Jehan Latex Writing works for example like this: $\alpha$ is given by \alpha included in \$ \$ or we can generate an equation by \begin{equation} \sum_{n=0}^{\infty} \beta_{n} \end{equation} leading to \begin{equation} \sum_{n=0}^{\infty} \beta_{n} \end{equation} text/html 2023-03-28T07:14:45+00:00 Anonymous (anonymous@undisclosed.example.com) http://scienceatlas.de/potthast/misc4?rev=1679987685&do=diff Maths Notation $$ \frac{dx'}{dt}(\rho,t)\Big|_{t=0} = 0 \hspace{3cm} (3.4) $$ $$ \frac{dx'}{dt}(\rho,t_0) = 0 \hspace{3cm} (3.4) $$ $$ \frac{dy'}{dt}(\rho,t)\Big|_{t=0} = x(\rho,0) \hspace{3cm} (3.5) $$ $$ \frac{dy'}{dt}(\rho,t_0) = x(\rho,t_0) = x_0 \hspace{3cm} (3.5) $$ text/html 2023-03-28T07:14:45+00:00 Anonymous (anonymous@undisclosed.example.com) http://scienceatlas.de/potthast/mpi?rev=1679987685&do=diff [ misc ][ cdo ][ journals ][ fortran ][ mpi ][ paper notes ] MPI and Parallelization text/html 2023-03-28T07:14:45+00:00 Anonymous (anonymous@undisclosed.example.com) http://scienceatlas.de/potthast/news_rp_2016?rev=1679987685&do=diff [ Welcome ][ Group ][ Research ][ Publications ][ CV ][ MISC ][ My Christian Blog ][ Church Stuff ] <https://iopscience.iop.org/book/978-0-7503-1218-9> Recent Book “Inverse Modeling” ... Roland at the RIKEN (Intern. Symposium on Data Assimilation in Kobe, Japan) March 2017 News RP 2016 * Nov 28, 2016, Imperial College, London, Mathematics of the Planet Earth, Coordination Meeting, joint PhD project with text/html 2023-03-28T07:14:45+00:00 Anonymous (anonymous@undisclosed.example.com) http://scienceatlas.de/potthast/news_rp_2017?rev=1679987685&do=diff [ Welcome ][ Group ][ Research ][ Publications ][ CV ][ MISC ][ My Christian Blog ][ Church Stuff ] <https://iopscience.iop.org/book/978-0-7503-1218-9> Recent Book “Inverse Modeling” ... Roland at the RIKEN (Intern. Symposium on Data Assimilation in Kobe, Japan) March 2017 News RP 2017 * Dec 11, 2017: Visit of Dr. Frank Beyrich and Team, Lindenberg Observatory, at out Group text/html 2023-03-28T07:14:45+00:00 Anonymous (anonymous@undisclosed.example.com) http://scienceatlas.de/potthast/news_rp_2018?rev=1679987685&do=diff [ Welcome ][ Group ][ Research ][ Publications ][ CV ][ MISC ][ My Christian Blog ][ Church Stuff ] <https://iopscience.iop.org/book/978-0-7503-1218-9> Institute of Physics (IOP) Roland at Fudan University in Shanghai April 2018 News RP 2018 * Dec 10-11, 2018, Offenbach, Germany: HErZ LMU-DWD Data Assimilation Meeting 2018 * Dec 1-6, 2018, Reading, UK: ECMWF + Uni Reading, Reanalysis and Sat Data Work Meetings text/html 2023-03-28T07:14:45+00:00 Anonymous (anonymous@undisclosed.example.com) http://scienceatlas.de/potthast/news_rp_2019?rev=1679987685&do=diff [ Welcome ][ Group ][ Research ][ Publications ][ CV ][ MISC ][ My Christian Blog ][ Church Stuff ] <https://iopscience.iop.org/book/978-0-7503-1218-9> Institute of Physics (IOP) Roland on a Research Visit to Japan in October 2018 News RP 2019 * Dec 9-10, 2019, Offenbach, Ger: DFG Research Group RealPEP Workshop, Co-Organizer * Dec 9, 2019, Siegen, Seminar Talk at University of Siegen text/html 2024-06-29T15:33:02+00:00 Anonymous (anonymous@undisclosed.example.com) http://scienceatlas.de/potthast/news_rp_2020?rev=1719675182&do=diff [ Welcome ][ Group ][ Research ][ Publications ][ CV ][ MISC ][ My Christian Blog ][ Church Stuff ] <https://iopscience.iop.org/book/978-0-7503-1218-9> Institute of Physics (IOP) An Official Photo at DWD 2020 News RP 2020 Due to Covid the activities of this year have been strongly reduced. * Nov 2020: Karlsruhe Institute of Technology: PhD Co-Supervisor text/html 2023-04-14T05:35:06+00:00 Anonymous (anonymous@undisclosed.example.com) http://scienceatlas.de/potthast/news_rp_2021?rev=1681450506&do=diff [ Welcome ][ Group ][ Research ][ Publications ][ CV ][ MISC ][ My Christian Blog ][ Church Stuff ] <https://iopscience.iop.org/book/978-0-7503-1218-9> Institute of Physics (IOP) An Official Photo at DWD 2020 News RP 2021 The year was strongly influenced by the COVID pandemy. Many meetings took place online. * Dec 16: DWD-GFZ Exchange Meeting * Dec 15: KIT-DWD KITcube Assimilation Task Force text/html 2023-07-01T14:27:26+00:00 Anonymous (anonymous@undisclosed.example.com) http://scienceatlas.de/potthast/news_rp_2022?rev=1688221646&do=diff [ Welcome ][ Group ][ Research ][ Publications ][ CV ][ MISC ][ My Christian Blog ][ Church Stuff ] <https://iopscience.iop.org/book/978-0-7503-1218-9> Institute of Physics (IOP) An Official Photo at DWD 2020 News RP 2022 * Dec 5-6: DFG RealPEP Research Group Meeting, Organiser * Dec 5: NHR National High Performance Resource Group Meeting * Nov 17-18: KIAPS Science Advisory Committee (SAC) in Seoul, Korea text/html 2024-06-29T12:21:05+00:00 Anonymous (anonymous@undisclosed.example.com) http://scienceatlas.de/potthast/news_rp_2023?rev=1719663665&do=diff [ Welcome ][ Group ][ Research ][ Publications ][ CV ][ MISC ][ My Christian Blog ][ Church Stuff ] <https://iopscience.iop.org/book/978-0-7503-1218-9> Institute of Physics (IOP) An Official Photo at DWD 2020 News RP 2023 October, November, December * Nov 23-24, 2023: ICON Board in Person Meeting at Offenbach, Germany * Nov 20-22, 2023: ICON WarmWorld + ICON All-Hands + ICON gt4py Meeting text/html 2025-01-05T13:10:54+00:00 Anonymous (anonymous@undisclosed.example.com) http://scienceatlas.de/potthast/news_rp_2024?rev=1736082654&do=diff [ Welcome ][ Group ][ Research ][ Publications ][ CV ][ MISC ][ My Christian Blog ][ Church Stuff ] <https://iopscience.iop.org/book/978-0-7503-1218-9> Institute of Physics (IOP) An Official Photo at DWD 2020 News RP 2024 Oct-Dec * Dec 12, 2024: Vsit at Fraunhofer Institute for Industrial Mathematics (ITWM), Prof. Dr. Anita Schöbel Schöbel * Nov 28-29, 2024: ICON Board Meeting text/html 2023-03-28T07:14:45+00:00 Anonymous (anonymous@undisclosed.example.com) http://scienceatlas.de/potthast/other_work_ongoing?rev=1679987685&do=diff Some other work which is ongoing or pausing * R. J. Keane, H. Reich , C. H. Schraff , M. Buchhold R.W.E. Potthast: Generating initial conditions for COSMO-DE-EPS using KENDA, system is now pre-operational. * Africa Periánez, Jason Otkin, Annika Schomburg, Robin Faulwetter, Hendrik Reich, Christoph Schraff, and Roland Potthast: Infrared brightness temperature assimilation in an ensemble Kalman filter with a cloud-dependent bias correction scheme. text/html 2023-03-28T07:14:45+00:00 Anonymous (anonymous@undisclosed.example.com) http://scienceatlas.de/potthast/paper_notes?rev=1679987685&do=diff [ misc ][ cdo ][ journals ][ fortran ][ mpi ][ paper notes ] Paper Notes Acoustic Tomography for the Atmosphere <http://journals.ametsoc.org/doi/abs/10.1175/2009JTECHA1266.1> text/html 2026-04-01T05:54:18+00:00 Anonymous (anonymous@undisclosed.example.com) http://scienceatlas.de/potthast/publications?rev=1775022858&do=diff [ Welcome ][ Group ][ Research ][ Publications ][ CV ][ MISC ][ My Christian Blog ] Publications See also <https://mathscinet.ams.org/mathscinet/author?authorId=348650> or R Potthast on Google Scolar or Scopus, ResearcherID: F-2265-2013, compare <http://www.researcherid.com/rid/F-2265-2013> or Orcid: <http://orcid.org/0000-0001-6794-2500>. Note that citation rates vary by a large factor between disciplines average citation rates. <https://iopscience.iop.org/book/978-0-7503-1218-9> <http://… text/html 2023-03-28T07:14:45+00:00 Anonymous (anonymous@undisclosed.example.com) http://scienceatlas.de/potthast/research_notes_2016?rev=1679987685&do=diff [ Welcome ][ Group ][ Research ][ Publications ][ CV ][ MISC ][ My Christian Blog ] [ Current Research Notes ] Research Notes & Project & Ideas 2015/2016 The following lists contains active research questions in my personal research and that of my group members. This is the state of 2015/2016. Research Levels The projects range from text/html 2023-03-28T07:14:45+00:00 Anonymous (anonymous@undisclosed.example.com) http://scienceatlas.de/potthast/research_notes?rev=1679987685&do=diff [ Welcome ][ Group ][ Research ][ Publications ][ CV ][ MISC ][ My Christian Blog ] [ Research Notes 2015/16 ] Research Notes & Project & Ideas 2018 The following lists contains some active research questions in my personal research and that of my group members in which I am directly involved. 1 Model Reconstruction in a Large-Scale Environment [with Babatunde Odunuga] 2 Data Assimilation for Neural Fields [with Jehan Alswailhi] 3 Ultra Rapid Data Assimilation, basic theory [with Christia… text/html 2023-03-28T07:14:45+00:00 Anonymous (anonymous@undisclosed.example.com) http://scienceatlas.de/potthast/research?rev=1679987685&do=diff [ Welcome ][ Group ][ Research ][ Publications ][ CV ][ MISC ][ My Christian Blog ] Research Inverse Problems and Data Assimilation Some notes on current research activities: [ research_notes ] Algorithms and Analysis for Inverse Problems Our research is concerned with inverse problems and data assimilation in three areas: text/html 2023-03-28T07:14:45+00:00 Anonymous (anonymous@undisclosed.example.com) http://scienceatlas.de/potthast/science_and_society?rev=1679987685&do=diff <html> <style type=“text/css”> div.dokuwiki .wrap_photoshadow { box-shadow: 2px 2px 4px 2px hsl(0,0%,50%); } </style> </html> Science and Society ... How is science helping us to improve life in the city? How does it help us to predict high-impact weather events? Water and wind today influence all of our lifes: by its impact on travel, by strong dependence of renewable energy on clouds and winds, and by the dependence of agriculture and many other parts of or modern society on the atmosphere… text/html 2025-11-10T04:42:32+00:00 Anonymous (anonymous@undisclosed.example.com) http://scienceatlas.de/potthast/start?rev=1762749752&do=diff [ Welcome ][ Group ][ Research ][ Publications ][ CV ][ MISC ][ My Christian Blog ][ Church Stuff ] <https://iopscience.iop.org/book/978-0-7503-1218-9> Institute of Physics (IOP) at ECMWF 2020 -- 4 weeks before Corona restrictions started Workshop and Seminar News 2025 Oct-Dec * Sept 29 - Oct 3, 2025, Melbourne: International Symposium on Data Assimilation (ISDA 2025) text/html 2023-03-28T07:14:45+00:00 Anonymous (anonymous@undisclosed.example.com) http://scienceatlas.de/potthast/test2?rev=1679987685&do=diff Welcome to the Jesus Network C-Text Christian Blog: What is Faith? Tuesday, March 21, 2017. It is faith that is in the center of all biblical books. What is faith? It is trusting God. It is putting the creator and source of this world into the center of our life. It is about the perspective of our life, about what it is, what it is filled with text/html 2023-03-28T07:14:45+00:00 Anonymous (anonymous@undisclosed.example.com) http://scienceatlas.de/potthast/work?rev=1679987685&do=diff \begin{eqnarray} bc^{est} & = & A \cdot c^{b} o^{corr} & = & o - bc^{est} K & = & B A^{T} (R + A B A^{T})^{-1} c^{a} & = & c^{b} + K ( o - (b + bc^{est})) \end{eqnarray}