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SUMMARY:The effects of the surface inflows on quenching of solar cycles
DTSTART;VALUE=DATE-TIME:20230511T124500Z
DTEND;VALUE=DATE-TIME:20230511T130000Z
DTSTAMP;VALUE=DATE-TIME:20240704T115652Z
UID:indico-contribution-345@meetings.aip.de
DESCRIPTION:Speakers: MOHAMMED TALAFHA (Dept. of Space Physics and Technol
 ogy\, Wigner Research Centre for Physics)\nRecently\, there has been consi
 deration of two possible methods for the nonlinear modulation of solar cyc
 le amplitudes. The first mechanism\, known as Tilt Quenching (TQ)\, involv
 es a negative feedback relationship between the cycle amplitude and the me
 an tilt angle of bipolar active regions relative to the azimuthal directio
 n. The second mechanism\, known as Latitude Quenching (LQ)\, involves a po
 sitive correlation between the average emergence latitude of active region
 s and the cycle amplitude.\nHere we study the effects of quenching paramet
 ers on the Surface Flux Transport (SFT) models and the effects of implemen
 ting the surface inflows into the SFT models on the two different observab
 le nonlinearities: TQ and LQ \nOur SFT models are grid-based. We have meth
 odically investigated the extent of nonlinearity caused by TQ and LQ\, as 
 well as their combination in the presence of surface inflows.\nA prelimina
 ry result is that there is a linear dependence of quenching parameters on 
 the dipole moment. This is expected from the model. A second finding is th
 at the effects of introducing surface inflows to the SFT models will produ
 ce lower values of dipole moments for the different cases of quenching in 
 the solar cycle.\n\nhttps://meetings.aip.de/event/24/contributions/345/
LOCATION:Haus H\, Telegrafenberg
URL:https://meetings.aip.de/event/24/contributions/345/
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