https://www.science.org/content/article/longer-days-brought-you-el-ni-o
Also: Investigating the Relationship Between Length of Day and El-Niño Using Wavelet Coherence Method: https://link.springer.com/chapter/10.1007/1345_2022_167 -- Richard Langley ----------------------------------------------------------------------------- | Richard B. Langley E-mail: l...@unb.ca | | Geodetic Research Laboratory Web: http://gge.unb.ca | | Dept. of Geodesy and Geomatics Engineering Phone: +1 506 453-5142 | | University of New Brunswick | | Fredericton, N.B., Canada E3B 5A3 | | Fredericton? Where's that? See: http://www.fredericton.ca/ | ----------------------------------------------------------------------------- ________________________________________ From: LEAPSECS <leapsecs-boun...@leapsecond.com> on behalf of Tom Van Baak <t...@leapsecond.com> Sent: June 15, 2023 10:48 PM To: leapsecs@leapsecond.com Subject: Re: [LEAPSECS] speeding up again? ✉External message: Use caution. Steve, > We can probably put a lot of the blame onto El Niño That sounds plausible but I'm suspicious of quick and simple explanations. You work at/for a university, near the coast, yes? Can you ping some of your climatology / oceanography colleagues and get data going back as far as they have it? I think it would be useful to see what the correlation coefficient actually is. Attached is an LOD plot I made a while ago. A random web google link says "The five strongest El Niño events since 1950 were in the winters of 1957-58, 1965-66, 1972-73, 1982-83 and 1997-98". To my eyeball I just don't see that in the historical LOD plot. /tvb On 5/26/2023 9:09 AM, Steve Allen wrote: On Mon 2023-05-22T16:44:30+0200 Tony Finch hath writ: The prospect of a negative leap second is receding. The longer-term projected length of day from Bulletin A has been increasing towards 24h in recent months. We can probably put a lot of the blame onto El Niño -- Steve Allen <s...@ucolick.org><mailto:s...@ucolick.org> WGS-84 (GPS) UCO/Lick Observatory--ISB 260 Natural Sciences II, Room 165 Lat +36.99855 1156 High Street Voice: +1 831 459 3046 Lng -122.06015 Santa Cruz, CA 95064 https://www.ucolick.org/~sla/ Hgt +250 m _______________________________________________ LEAPSECS mailing list LEAPSECS@leapsecond.com https://pairlist6.pair.net/mailman/listinfo/leapsecs
