[Eoas-seminar] Fw: EOAS Colloquium, Friday, Oct 27 @ 3:00 PM

[eoas-seminar at lists.fsu.edu]

Zhaohua,


Is it OK to give me a link for this talk?  I didn't sleep well. I can 
keep awake if I have my computer, but in the lecture hall it would be a 
challenge.


Cheers,
Mark


On 10/27/2023 8:38 AM, eoas-seminar--- via Eoas-seminar wrote:
> Dear colleagues,
>
> This is a friendly reminder that we will have an EOAS colloquium 
> today.  See you at colloquium time.
>
> Cheers,
>
> Zhaohua
> ------------------------------------------------------------------------
> *From:* Zhaohua Wu <zwu at fsu.edu>
> *Sent:* Monday, October 23, 2023 11:31 AM
> *To:* eoas-seminar at lists.fsu.edu <eoas-seminar at lists.fsu.edu>; 
> info at coaps.fsu.edu <info at coaps.fsu.edu>
> *Subject:* EOAS Colloquium, Friday, Oct 27 @ 3:00 PM
> Dear colleagues,
>
> As you may notice, the EOAS colloquium originally scheduled for the 
> last Friday will be held this coming Friday. The speaker is Dr. 
> Michael Diamond of EOAS.
>
> *Time*: Friday, Oct 27 @ 3:00 PM
>
> *Location*: EOAS 1050 (regular EOAS colloquium room)
>
> Title: Detection of large-scale cloud microphysical changes within a 
> major shipping corridor after implementation of the International 
> Maritime Organization 2020 fuel sulfur regulations
>
> *Abstract*: New regulations from the International Maritime 
> Organization (IMO) limiting sulfur emissions from the shipping 
> industry are expected to have large benefits in terms of public health 
> but may come with an undesired side effect: acceleration of global 
> warming as the climate-cooling effects of ship pollution on marine 
> clouds are diminished. Previous work has found a substantial decrease 
> in the detection of ship tracks in clouds after the IMO 2020 
> regulations went into effect, but changes in large-scale cloud 
> properties have been more equivocal. Using a statistical technique 
> that estimates counterfactual fields of what large-scale cloud and 
> radiative properties within an isolated shipping corridor in the 
> southeastern Atlantic would have been in the absence of shipping, we 
> confidently detect a reduction in the magnitude of cloud droplet 
> effective radius decreases within the shipping corridor and find 
> evidence for a reduction in the magnitude of cloud brightening as 
> well. The instantaneous radiative forcing due to aerosol–cloud 
> interactions from the IMO 2020 regulations is estimated to be of order 
> 1 W m−2 within the shipping corridor, lending credence to global 
> estimates of order 0.1 W m−2 from climate models. Although the 
> contribution to warming since 2020 is expected to be small globally, 
> the effects may be much larger regionally in the north Atlantic and 
> Pacific. In addition to their geophysical significance, our results 
> also provide independent evidence for general compliance with the IMO 
> 2020 regulations.
>
> *Note*: Colleagues are encouraged to attend the colloquium in person. 
> However, attending online will be feasible. Please request the 
> colloquium Zoom link from Zhaohua Wu (zwu at fsu.edu) if you plan to 
> attend online.
>
> Cheers,
>
> Zhaohua
>
>
>
> _______________________________________________
> Eoas-seminar mailing list
> Eoas-seminar at lists.fsu.edu
> https://lists.fsu.edu/mailman/listinfo/eoas-seminar
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.fsu.edu/pipermail/eoas-seminar/attachments/20231027/8f25a12e/attachment.html>