<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body style="overflow-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;">Hi Martin,<div><br></div><div>What is your recommended data.seaice configuration for the ECCO4/LLC90 setup? </div><div><br></div><div>It would be great if we could update one of the fwd + adjoint llc90 configuration (the input.ecmwf + input_ad.ecmwf) </div><div>that we maintain and test daily in MITGcm to ensure that the ECCO4 configuration does not break</div><div>— updating to use the data.seaice that you recommend I mean. </div><div><br></div><div>Would you mind opening a PR to that effect on the repo below?</div><div><br></div><div><a href="https://github.com/MITgcm/verification_other/tree/master/global_oce_llc90">https://github.com/MITgcm/verification_other/tree/master/global_oce_llc90</a><div><br></div><div>Once that’s done, we will be able to continue the discussion over on github and eventually I should be able to post an </div><div>update to the production-ready ECCO4 setups that I maintain separately @ <a href="https://eccov4.readthedocs.io/en/latest/">https://eccov4.readthedocs.io/en/latest/</a> </div><div><br></div><div>Best,</div><div>Gaël</div><div><br></div><div><blockquote type="cite"><div>On Feb 12, 2024, at 7:55 AM, Yohei Takano - BAS <yokano@bas.ac.uk> wrote:</div><br class="Apple-interchange-newline"><div><meta charset="UTF-8"><div class="elementToProof" style="font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt;">Hi Martin,</div><div class="elementToProof" style="font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt;"><br></div><div class="elementToProof" style="font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt;">Thank you for your advice, and yes, I am using the ECCOv4-r2 sea ice parameters (from Gael's</div><div class="elementToProof" style="font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt;">setup). It could be the sea ice (thinking of what I wrote in the previous e-mail) so I will try setting</div><div class="elementToProof" style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 14px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;"><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt;">the SEAICEpressReplFac = 0., and rerun the model from the beginning.</span></div><div class="elementToProof" style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 14px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;"><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt;"><br></span></div><div class="elementToProof" style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 14px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;"><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt;">Regarding the sea ice related diffusivities, are you talking about this part in the parameters?</span></div><div class="elementToProof" style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 14px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;"><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt;">'SEAICEdiffKhHeff = 400., SEAICEdiffKhArea = 400., SEAICEdiffKhSnow = 400.,'. Just to confirm so</span></div><div class="elementToProof" style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 14px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;"><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt;">should I also turn these off after turning on the<span class="Apple-converted-space"> </span></span><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 16px; background-color: rgb(255, 255, 255);">SEAICEpressReplFac = 0.,</span><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt;">? (please let me know if </span></div><div class="elementToProof" style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 14px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;"><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt;">I misunderstand something).</span></div><div class="elementToProof" style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 14px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;"><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt;"><br></span></div><div class="elementToProof" style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 14px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;"><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt;">I am also curious about Gael's thoughts behind this setting.</span></div><div class="elementToProof" style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 14px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;"><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt;"><br></span></div><div class="elementToProof" style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 14px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;"><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt;">Thank you again, I appreciate your input.</span></div><div class="elementToProof" style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 14px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;"><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt;"><br></span></div><div class="elementToProof" style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 14px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;"><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt;">Regards,</span></div><div class="elementToProof" style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 14px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;"><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt;"><br></span></div><div class="elementToProof" style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 14px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;"><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt;">Yohei</span></div><div id="appendonsend" style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 14px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;"></div><div class="elementToProof" style="font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt;"><br></div><hr style="font-family: Helvetica; font-size: 14px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; display: inline-block; width: 1005.46875px;"><span style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 14px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; float: none; display: inline !important;"></span><div id="divRplyFwdMsg" dir="ltr" style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 14px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;"><span style="font-family: Calibri, sans-serif; font-size: 11pt;"><b>From:</b> MITgcm-support <<a href="mailto:mitgcm-support-bounces@mitgcm.org">mitgcm-support-bounces@mitgcm.org</a>> on behalf of Martin Losch <<a href="mailto:Martin.Losch@awi.de">Martin.Losch@awi.de</a>><br><b>Sent:</b> 12 February 2024 06:28<br><b>To:</b> MITgcm Support <<a href="mailto:mitgcm-support@mitgcm.org">mitgcm-support@mitgcm.org</a>><br><b>Subject:</b> Re: [MITgcm-support] ECCOv4 Configurations: R-Star Coordinate Error with Modified Wind Forcing</span><div> </div></div><table border="0" cellspacing="0" cellpadding="0" width="100%" align="left" style="caret-color: rgb(0, 0, 0); font-family: Helvetica; letter-spacing: normal; orphans: auto; text-transform: none; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; border: 0px; display: table; width: 1026px; table-layout: fixed; float: none;"><tbody style="display: block;"><tr><td valign="middle" width="1px" bgcolor="#A6A6A6" cellpadding="7px 2px 7px 2px" style="padding: 7px 2px; background-color: rgb(166, 166, 166);"></td><td valign="middle" width="100%" bgcolor="#EAEAEA" cellpadding="7px 5px 7px 15px" style="width: 992px; background-color: rgb(234, 234, 234); padding: 7px 5px 7px 15px; font-family: wf_segoe-ui_normal, "Segoe UI", "Segoe WP", Tahoma, Arial, sans-serif; font-size: 12px; font-weight: normal; color: rgb(33, 33, 33); text-align: left; overflow-wrap: break-word;"><div>You don't often get email from<span class="Apple-converted-space"> </span><a href="mailto:martin.losch@awi.de">martin.losch@awi.de</a>.<span class="Apple-converted-space"> </span><a href="https://aka.ms/LearnAboutSenderIdentification" data-auth="NotApplicable" id="OWAf5b8c241-5f7d-95b7-8c86-e96ca935cc8e" class="OWAAutoLink">Learn why this is important</a></div></td><td valign="middle" align="left" width="75px" bgcolor="#EAEAEA" cellpadding="7px 5px 7px 5px" style="width: 75px; background-color: rgb(234, 234, 234); padding: 7px 5px; font-family: wf_segoe-ui_normal, "Segoe UI", "Segoe WP", Tahoma, Arial, sans-serif; font-size: 12px; font-weight: normal; color: rgb(33, 33, 33); text-align: left; overflow-wrap: break-word;"></td></tr></tbody></table><div style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 14px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;">Hi Yohei,</div><div style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 14px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;"><br></div><div style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 14px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;">if this is related to sea ice and if you are using the ECCOv4-r2 sea ice parameters (thi is what I found:<a href="https://github.com/gaelforget/ECCOv4/blob/master/input/data.seaice" id="OWA56b38f9e-88d9-0f6f-b2f4-6de905f9b7ef" class="OWAAutoLink" data-auth="NotApplicable">https://github.com/gaelforget/ECCOv4/blob/master/input/data.seaice</a>), then you could try to set </div><div style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 14px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;"> SEAICEpressReplFac = 0.,</div><div style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 14px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;">and rerun (from the beginning). I have also tried to get rid of landpoints where wind forcing “pushes” ice into corners where it cannot escape. The eccov4-r2 data.seaice contains large (400) diffusivities for seaice variables, which probably were used to alleviate this problem (@Gael, correct me if I’m wrong). In my experience, this is no longer necessary with<span class="Apple-converted-space"> </span><span style="">SEAICEpressReplFac = 0.,</span></div><div style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 14px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;"><span style=""><br></span></div><div style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 14px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;"><span style="">Martin</span></div><div style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 14px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;"><br></div><div style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 14px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;"><br></div><blockquote style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 14px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;"><div>On 11. Feb 2024, at 18:00, Yohei Takano - BAS <yokano@bas.ac.uk> wrote:</div><br><div style="text-align: left; text-indent: 0px; font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt;">Dear all,</div><div style="text-align: left; text-indent: 0px; font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt;"><br></div><div style="text-align: left; text-indent: 0px; font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt;"> I am working on setting up a simulation with the ECCOv4-r2 configuration. The first step is to</div><div style="text-align: left; text-indent: 0px; font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt;">run (spin-up) the model with this configuration, except I detrended the atmospheric wind forcing</div><div style="text-align: left; text-indent: 0px; font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt;">(including zonal, meridional wind stress and surface wind speed). The model ran for a while (~ 10 years)</div><div style="text-align: left; text-indent: 0px; font-family: Helvetica; font-size: 12px;"><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt;">but stops after that with "STOP ABNORMAL END: S/R CALC_R_STAR", which is related to the r* coordinate</span></div><div style="text-align: left; text-indent: 0px; font-family: Helvetica; font-size: 12px;"><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt;">from my understanding. More specifically it is "too SMALL rStarFac[C,W,S]" and I see very small </span></div><div style="text-align: left; text-indent: 0px; font-family: Helvetica; font-size: 12px;"><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt;">hFactorC (from diagnostics) at a grid point near the continent (or perhaps sea ice related since it is in the Southern Ocean).</span></div><div style="text-align: left; text-indent: 0px; font-family: Helvetica; font-size: 12px;"><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt;"><br></span></div><div style="text-align: left; text-indent: 0px; font-family: Helvetica; font-size: 12px;"><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt;"> The reason behind the error is this modified atmospheric wind forcing but I am a bit stuck on how I can</span></div><div style="text-align: left; text-indent: 0px; font-family: Helvetica; font-size: 12px;"><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt;">fix this issue (i.e. how can I further modify the forcing to prevent this error) and would like to ask for advice on dealing with</span></div><div style="text-align: left; text-indent: 0px; font-family: Helvetica; font-size: 12px;"><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt;">this issue. I saw comments in the previous question (in this list) lowering deltaT but I don't think that will solve the issue in this case. </span></div><div style="text-align: left; text-indent: 0px; font-family: Helvetica; font-size: 12px;"><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt;"><br></span></div><div style="text-align: left; text-indent: 0px; font-family: Helvetica; font-size: 12px;"><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt;"> <span class="Apple-converted-space"> </span></span><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 16px; background-color: rgb(255, 255, 255);">rStarFac error actually happens quite often in my case modifying the atmospheric forcing and for those</span></div><div style="text-align: left; text-indent: 0px; font-family: Helvetica; font-size: 12px;"><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 16px; background-color: rgb(255, 255, 255);">who have experienced similar challenge, I would like to ask for some advice how to deal with this.</span></div><div style="text-align: left; text-indent: 0px; font-family: Helvetica; font-size: 12px;"><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 16px; background-color: rgb(255, 255, 255);">Thank you in advance.</span></div><div style="text-align: left; text-indent: 0px; font-family: Helvetica; font-size: 12px;"><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 16px; background-color: rgb(255, 255, 255);"><br></span></div><div style="text-align: left; text-indent: 0px; font-family: Helvetica; font-size: 12px;"><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 16px; background-color: rgb(255, 255, 255);">Regards,</span></div><div style="text-align: left; text-indent: 0px; font-family: Helvetica; font-size: 12px;"><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 16px; background-color: rgb(255, 255, 255);"><br></span></div><div style="text-align: left; text-indent: 0px; font-family: Helvetica; font-size: 12px;"><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 16px; background-color: rgb(255, 255, 255);">Yohei</span></div><br><br><span style="font-family: Helvetica; font-size: 12px;">This email and any attachments are intended solely for the use of the named recipients. 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