IVS2016

Name: IVS2016
Start: 2016-03-13T08:00:00+02:00
End: 2016-03-19T18:00:00+02:00
Location: No location set

13-19 March 2016

Africa/Johannesburg timezone

<a href="http://events.saip.org.za/internalPage.py?pageId=12&confId=56">Proceedings, </a> <a href="http://events.saip.org.za/materialDisplay.py?materialId=4&confId=56"> Programme and Book of Abstracts</a> and <a href="http://events.saip.org.za/getFile.py/access?resId=1&materialId=4&confId=56">Errata</a>

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ivs2016@hartrao.ac.za

El Nino and VLBI measured LOD

17 Mar 2016, 14:15

15m

Oral Presentation 5: Geodetic and Astrometric VLBI Results Oral5: Geodetic and Astrometric Results

Dr John Gipson (NVI Inc/GSFC NASA)

Short term (daily to annual) variations in LOD are highly correlated with Atmospheric Angular Momentum. It has been known since the late 1980s and early 1990s that you could detect the effect of El Nino in the Length of Day (LOD). I review these results, paying particular attention to the current El Nino which is still developing, and is one of the strongest ever recorded. I look at correlation with Modified Enso Index and VLBI measured LOD. I also discuss the cumulative effect of the El Nino on UT1.

Dr John Gipson (NVI Inc/GSFC NASA)

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IVS2016

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El Nino and VLBI measured LOD

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