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ReleaseNotes: = Release notes for PDAF = == Version 3.1.2 - June 5, 2026 == ...: ... Their use is optional (see https://pdaf.awi.de/trac/wiki/PDAF3_interface): - 'PDAF3_set_parallel' is called in init_parallel_pdaf to provide the parallelization variables to PDAF. - 'PDAF3_init' has a shortened interface compared to 'PDAF_init' as it does not inc ...; By lnerger — Jun 5, 2026, 6:49:09 PM
WikiStart: = PDAF - the Parallel Data Assimilation Framework = {{{ #!html ...: ... "https://www.awi.de/en/science/special-groups/scientific-computing/data-assimilation.html" target="_blank">Data Assimilation Team in the Computing Center of the Alfred Wegener Institute</a>.</td></tr></table> </td></tr><tr><td> <table ...; By lnerger — Jun 5, 2026, 6:47:49 PM
OMI_observation_modules_PDAF3: = PDAF-OMI Observation Modules = {{{ #!html <div ...: ... [https://doi.org/10.1002/qj.945 doi:10.1002/qj.945]. **Notes:** - A common choice is to use `locweight=2` or `locweight=4` in combination with `cradius=sradius`. Choosing `sradius>cradius` is possible, but `sradius<cradius` should be avo ...; By lnerger — May 31, 2026, 10:43:40 AM
PublicationsandPresentations: = Publications and Presentations = [[PageOutline(2,Publications and ...: ... Here are slides from some of these presentations: [http://pdaf.awi.de/files/PDAF_AGU24.pdf Open-Source Developments for Community Data Assimilation Software with PDAF],[[BR]] AGU Fall Meeting, Washington DC, USA, December 9, 2024. [http://pdaf.awi.de/files/Nerger_PDAF_ISDAonline2022-01. ...; By lnerger — May 30, 2026, 6:58:00 PM
EGU2026: = PDAF at the EGU General Assembly 2026 = The PDAF developers will ...: ... [https://pdaf.awi.de/download/EGU_26_SC2_7.pdf Short course slides] == Presentations by PDAF Users and Developers == There will presentations by different users and developers of PDAF, for example EGU26-22041 | Orals | NP1.1 [[BR] ...; By lnerger — May 2, 2026, 2:57:11 PM
PdafTutorial_PDAF23: = Implementation Tutorials for PDAF2 = || This page provides the ...: ... * [http://pdaf.awi.de/files/pdaf_tutorial_the_model_V1.2.pdf PDAF Tutorial: The tutorial model: non-parallel and parallel versions] (PDF, 0.6 MB)[[BR]] == Implementing the online mode of PDAF == In the online mode of PDAF one couples PDA ...; By lnerger — Apr 17, 2026, 9:22:42 AM
PdafTutorial: = Implementation Tutorials = || This page provides the PDAF ...: ... * [http://pdaf.awi.de/files/pdaf_tutorial_the_model.pdf PDAF Tutorial: The tutorial model: non-parallel and parallel versions] (PDF)[[BR]] == Implementing the offline analysis step with PDAF == In the offline mode of PDAF one uses separa ...; By lnerger — Apr 17, 2026, 9:13:28 AM
OfflineInitPdaf_PDAF3: = Offline Mode: Initializing PDAF = {{{ #!html <div ...: ... [https://doi.org/10.1002/qj.945 doi:10.1002/qj.945]. Apart from the generic variables for localization, we also specify variables that are specific for each observation type, for example in the tutorial code, we specify * `assim_A`: F ...; By lnerger — Apr 16, 2026, 5:18:46 PM
OMI_observation_modules_PDAF23: = PDAF-OMI Observation Modules (PDAF2) = {{{ #!html <div ...: ... [https://doi.org/10.1002/qj.945 doi:10.1002/qj.945]. **Notes:** - **isotropic localization**: If `cradius` and `sradius` are scalar values, the localization is isotropic. Thus, it uses the same `cradius` in all directions. If different l ...; By lnerger — Mar 22, 2026, 7:49:13 PM
Lorenz_96_model: = Lorenz-96 model with PDAF = [[PageOutline(2-3,Contents of this ...: ... [https://doi.org/10.1002/qj.945 doi:10.1002/qj.945]. For the full set of options, please see init_pdaf.F90 and mod_assimilation.F90 in the lorenz96 directory. There, also the possible settings e.g. for `filtertype` are described.; By lnerger — Jan 22, 2026, 5:33:36 PM

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