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Code and data for "Can rime splintering explain the ice production in Arctic mixed-phase clouds?"

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Auteur principal:	Raatikainen, Tomi
Format:	Recurso digital
Langue:	anglais
Publié:	Zenodo 2026
Sujets:	Large-eddy simulation Secondary ice production Mixed-phase clouds
Accès en ligne:	Acceder al recurso
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_version_	1866901908576272384
author	Raatikainen, Tomi
author_facet	Raatikainen, Tomi
contents	<h2><strong>UCLALES-SALSA simulations based on ACLOUD campaign</strong></h2> <p>Raatikainen, T., Calderón, S., Järvinen, E., Prank, M., and Romakkaniemi, S.:<br>Can rime splintering explain the ice production in Arctic mixed-phase clouds?,<br>EGUsphere [preprint], https://doi.org/10.5194/egusphere-2025-4470, 2025.</p> <h3><strong>Directory listing</strong></h3> <p>Directory ./SB contains UCLALES-SB simulation outputs and directory ./SB/UCLALES-SALSA contains the source code of UCLALES-SALSA model used in these simulations. The code is also available from GitHub (https://github.com/UCLALES-SALSA/UCLALES-SALSA) under branch IceDevelOrg (commit ba5f769f03ed5a955cec9f8db2869ed76e8bd13f from May 22 16:24:00 2025 +0300).</p> <p>Directory .SALSA contains UCLALES-SALSA simulation outputs and directory ./SALSA/UCLALES-SALSA contains the revised source code of UCLALES-SALSA model, where SALSA includes ice-ice collisional breakup (IIBR) and droplet shattering (DS). The code is also available from GitHub<br>(https://github.com/UCLALES-SALSA/UCLALES-SALSA) under branch IceDevelOrg (commit 1691142646485d9b3fc80e6876e8e0542db3a3cd from Dec 3 09:34:21 2025 +0200).</p> <p>Directories ./test_* contain the simulation ouputs for the initial SIP test and the sensitivity tests.</p> <p>Output netCDF files (.nc) have the following naming convention:<br>ac_<microphysics>_inp<INP concentration>_rs<multiplier>.<output type>.nc</p> <ul> <li>Microphysics: l06 means SB (Seifert and Beheng, 2006) microphysics and l5 means SALSA microphysics.</li> <li>INP concentration: 1, 01, 001 and 0001 means concentrations of 1, 0.1, 0.01 and 0.001 #/g, respectively.</li> <li>Multiplier: Hallett-Mossop rime splinter (RS) production has been multiplied by factors 0 (no RS SIP), 1, 5 and 10.</li> <li>Output type: each simulation can have three different output files where ts means domain mean time series, ps means horizontally averaged profiles, and cs means column averages. Column averages from each processing unit have been merged with Fortran code UCLALES-SALSA/script/combine.f90. Note that column<br>averages (cs) are stored for the ac_l5_inp01_rs10 and ac_l06_inp01_rs10 simulations only. In addition to the netCDF files, each simulation has the default runtime output stream stored in the .out files.</li> </ul> <p>Each variable in a netCDF file contains a brief description in addition to unit.</p> <p>Both SB and SALSA microphysics have their default NAMELISTs (NAMELIST_sb and NAMELIST_salsa), which have been modified for each run based on INP concentration and the RS multiplier.</p> <p>sound_in contains the initial liquid water potential temperatures, total water mixing ratios and wind speeds. Directory UCLALES-SALSA/bin/datafiles contains the background atmospheric profiles for radiative transfer calculations.</p> <p>The other files are run scripts (runles_sb and runles_salsa). These are valid for CSC’s Puhti supercomputer.</p> <h3><strong>NetCDF data used in figures and tables</strong></h3> <p>The table below lists those variables from NetCDF files that have been used in figures and tables. Note that unit conversions may have been applied.</p> <p>NetCDF (SALSA/SB)  figures and tables<br>a) Time series (.ts.nc)</p> <table style="border-collapse: collapse; width: 42.513%; height: 156.8px;"><colgroup><col style="width: 49.9948%;"><col style="width: 49.9948%;"></colgroup> <tbody> <tr style="height: 19.6px;"> <td style="height: 19.6px;">nsnow/nice</td> <td style="height: 19.6px;">ICNC</td> </tr> <tr style="height: 19.6px;"> <td style="height: 19.6px;">lwp_bar</td> <td style="height: 19.6px;">LWP</td> </tr> <tr style="height: 19.6px;"> <td style="height: 19.6px;">swp_bar/iwp_bar</td> <td style="height: 19.6px;">IWP</td> </tr> <tr style="height: 19.6px;"> <td style="height: 19.6px;">siph_ns/siph_ni</td> <td style="height: 19.6px;">RS SIP rate</td> </tr> <tr style="height: 19.6px;"> <td style="height: 19.6px;">nc_sipi_ns</td> <td style="height: 19.6px;">IIBR SIP rate</td> </tr> <tr style="height: 19.6px;"> <td style="height: 19.6px;">nc_sipd_ns</td> <td style="height: 19.6px;">DS SIP rate</td> </tr> <tr style="height: 19.6px;"> <td style="height: 19.6px;">Rice</td> <td style="height: 19.6px;">Ice crystal dimension</td> </tr> <tr style="height: 19.6px;"> <td style="height: 19.6px;">Rcloud</td> <td style="height: 19.6px;">Cloud droplet diameter</td> </tr> <tr> <td>cond_rs/cond_ri</td> <td>Deposition rate</td> </tr> </tbody> </table> <p>b) Profiles (.ps.nc)</p> <table style="border-collapse: collapse; width: 42.6075%;"><colgroup><col style="width: 50.3314%;"><col style="width: 49.6573%;"></colgroup> <tbody> <tr> <td>T_min</td> <td>Minimum temperature</td> </tr> <tr> <td>Rs_is/Ri_ii</td> <td>Ice crystal dimension</td> </tr> <tr> <td>Ns_is/Ni_ii</td> <td>ICNC</td> </tr> <tr> <td>Nc_ic</td> <td>CDNC</td> </tr> <tr> <td>rs/ri</td> <td>Ice water mixing ratio</td> </tr> <tr> <td>l</td> <td>Liquid water mixing ratio</td> </tr> <tr> <td>siph_ns/siph_ni</td> <td>RS SIP rate</td> </tr> <tr> <td>nucl_ns/nucl_ni</td> <td>Primary freezing rate</td> </tr> </tbody> </table> <p>c) Column outputs (*.cs.nc)</p> <table style="border-collapse: collapse; width: 42.4185%;"><colgroup><col style="width: 50.0846%;"><col style="width: 50.0846%;"></colgroup> <tbody> <tr> <td>swp/iwp</td> <td>Ice water path</td> </tr> <tr> <td>lwp</td> <td>Liquid water path</td> </tr> <tr> <td>siph_ns/siph_ni</td> <td>RS SIP rate</td> </tr> <tr> <td>Ns_is/Ni_ii</td> <td>ICNC</td> </tr> <tr> <td>cond_rs/cond_ri</td> <td>Deposition rate</td> </tr> </tbody> </table> <p> </p>
format	Recurso digital
id	zenodo_https___doi_org_10_5281_zenodo_18184323
institution	Zenodo
language	eng
publishDate	2026
publisher	Zenodo
record_format	zenodo
spellingShingle	Code and data for "Can rime splintering explain the ice production in Arctic mixed-phase clouds?" Raatikainen, Tomi Large-eddy simulation Secondary ice production Mixed-phase clouds <h2><strong>UCLALES-SALSA simulations based on ACLOUD campaign</strong></h2> <p>Raatikainen, T., Calderón, S., Järvinen, E., Prank, M., and Romakkaniemi, S.:<br>Can rime splintering explain the ice production in Arctic mixed-phase clouds?,<br>EGUsphere [preprint], https://doi.org/10.5194/egusphere-2025-4470, 2025.</p> <h3><strong>Directory listing</strong></h3> <p>Directory ./SB contains UCLALES-SB simulation outputs and directory ./SB/UCLALES-SALSA contains the source code of UCLALES-SALSA model used in these simulations. The code is also available from GitHub (https://github.com/UCLALES-SALSA/UCLALES-SALSA) under branch IceDevelOrg (commit ba5f769f03ed5a955cec9f8db2869ed76e8bd13f from May 22 16:24:00 2025 +0300).</p> <p>Directory .SALSA contains UCLALES-SALSA simulation outputs and directory ./SALSA/UCLALES-SALSA contains the revised source code of UCLALES-SALSA model, where SALSA includes ice-ice collisional breakup (IIBR) and droplet shattering (DS). The code is also available from GitHub<br>(https://github.com/UCLALES-SALSA/UCLALES-SALSA) under branch IceDevelOrg (commit 1691142646485d9b3fc80e6876e8e0542db3a3cd from Dec 3 09:34:21 2025 +0200).</p> <p>Directories ./test_* contain the simulation ouputs for the initial SIP test and the sensitivity tests.</p> <p>Output netCDF files (.nc) have the following naming convention:<br>ac_<microphysics>_inp<INP concentration>_rs<multiplier>.<output type>.nc</p> <ul> <li>Microphysics: l06 means SB (Seifert and Beheng, 2006) microphysics and l5 means SALSA microphysics.</li> <li>INP concentration: 1, 01, 001 and 0001 means concentrations of 1, 0.1, 0.01 and 0.001 #/g, respectively.</li> <li>Multiplier: Hallett-Mossop rime splinter (RS) production has been multiplied by factors 0 (no RS SIP), 1, 5 and 10.</li> <li>Output type: each simulation can have three different output files where ts means domain mean time series, ps means horizontally averaged profiles, and cs means column averages. Column averages from each processing unit have been merged with Fortran code UCLALES-SALSA/script/combine.f90. Note that column<br>averages (cs) are stored for the ac_l5_inp01_rs10 and ac_l06_inp01_rs10 simulations only. In addition to the netCDF files, each simulation has the default runtime output stream stored in the .out files.</li> </ul> <p>Each variable in a netCDF file contains a brief description in addition to unit.</p> <p>Both SB and SALSA microphysics have their default NAMELISTs (NAMELIST_sb and NAMELIST_salsa), which have been modified for each run based on INP concentration and the RS multiplier.</p> <p>sound_in contains the initial liquid water potential temperatures, total water mixing ratios and wind speeds. Directory UCLALES-SALSA/bin/datafiles contains the background atmospheric profiles for radiative transfer calculations.</p> <p>The other files are run scripts (runles_sb and runles_salsa). These are valid for CSC’s Puhti supercomputer.</p> <h3><strong>NetCDF data used in figures and tables</strong></h3> <p>The table below lists those variables from NetCDF files that have been used in figures and tables. Note that unit conversions may have been applied.</p> <p>NetCDF (SALSA/SB)  figures and tables<br>a) Time series (.ts.nc)</p> <table style="border-collapse: collapse; width: 42.513%; height: 156.8px;"><colgroup><col style="width: 49.9948%;"><col style="width: 49.9948%;"></colgroup> <tbody> <tr style="height: 19.6px;"> <td style="height: 19.6px;">nsnow/nice</td> <td style="height: 19.6px;">ICNC</td> </tr> <tr style="height: 19.6px;"> <td style="height: 19.6px;">lwp_bar</td> <td style="height: 19.6px;">LWP</td> </tr> <tr style="height: 19.6px;"> <td style="height: 19.6px;">swp_bar/iwp_bar</td> <td style="height: 19.6px;">IWP</td> </tr> <tr style="height: 19.6px;"> <td style="height: 19.6px;">siph_ns/siph_ni</td> <td style="height: 19.6px;">RS SIP rate</td> </tr> <tr style="height: 19.6px;"> <td style="height: 19.6px;">nc_sipi_ns</td> <td style="height: 19.6px;">IIBR SIP rate</td> </tr> <tr style="height: 19.6px;"> <td style="height: 19.6px;">nc_sipd_ns</td> <td style="height: 19.6px;">DS SIP rate</td> </tr> <tr style="height: 19.6px;"> <td style="height: 19.6px;">Rice</td> <td style="height: 19.6px;">Ice crystal dimension</td> </tr> <tr style="height: 19.6px;"> <td style="height: 19.6px;">Rcloud</td> <td style="height: 19.6px;">Cloud droplet diameter</td> </tr> <tr> <td>cond_rs/cond_ri</td> <td>Deposition rate</td> </tr> </tbody> </table> <p>b) Profiles (.ps.nc)</p> <table style="border-collapse: collapse; width: 42.6075%;"><colgroup><col style="width: 50.3314%;"><col style="width: 49.6573%;"></colgroup> <tbody> <tr> <td>T_min</td> <td>Minimum temperature</td> </tr> <tr> <td>Rs_is/Ri_ii</td> <td>Ice crystal dimension</td> </tr> <tr> <td>Ns_is/Ni_ii</td> <td>ICNC</td> </tr> <tr> <td>Nc_ic</td> <td>CDNC</td> </tr> <tr> <td>rs/ri</td> <td>Ice water mixing ratio</td> </tr> <tr> <td>l</td> <td>Liquid water mixing ratio</td> </tr> <tr> <td>siph_ns/siph_ni</td> <td>RS SIP rate</td> </tr> <tr> <td>nucl_ns/nucl_ni</td> <td>Primary freezing rate</td> </tr> </tbody> </table> <p>c) Column outputs (*.cs.nc)</p> <table style="border-collapse: collapse; width: 42.4185%;"><colgroup><col style="width: 50.0846%;"><col style="width: 50.0846%;"></colgroup> <tbody> <tr> <td>swp/iwp</td> <td>Ice water path</td> </tr> <tr> <td>lwp</td> <td>Liquid water path</td> </tr> <tr> <td>siph_ns/siph_ni</td> <td>RS SIP rate</td> </tr> <tr> <td>Ns_is/Ni_ii</td> <td>ICNC</td> </tr> <tr> <td>cond_rs/cond_ri</td> <td>Deposition rate</td> </tr> </tbody> </table> <p> </p>
title	Code and data for "Can rime splintering explain the ice production in Arctic mixed-phase clouds?"
topic	Large-eddy simulation Secondary ice production Mixed-phase clouds
url	https://doi.org/10.5281/zenodo.18184323