[OKDXA] Dalton or Maunder Minimum

Coy Day n5ok at arrl.net
Tue Apr 21 20:39:49 EDT 2009


Kim,

>From your statements, I conclude that low sun spots cause volcanisms.  I
wondered why we were having so much activity all of a sudden.  ;-)

Coy
-- 
Coy Day
20685 SW 29
Union City, OK 73090
405-483-5632




Kim Elmore wrote:
> 'Course as a research meteorologist, I can't resist...
>
> There's no established cause and effect for sunspots and global
> temperature. The Dalton minimum occurred during a time of active
> volcanisms and that most certainly *is* associated with rather rapid,
> though temporary, global cooling periods.
>
> Even during the Maunder minimum, there were sunspots and the 11 y
> cycle remained intact. There just weren't very many sunspots. The
> cool period associated with the Maunder minimum has yet to be explained...
>
> 73,
>
> Kim Elmore N5OP
>
> At 03:02 PM 4/21/2009, N5PA wrote:
>>Guys:
>>
>>
>>
>>Just hope that we do not have another Dalton or Maunder Minimum.  The
>>Maunder minimum is the name given to a period of extreme solar inactivity
>>that occurred between 1645 and 1710.  The Dalton Minimum was a period of
>> low
>>solar activity lasting from about 1790 to 1830.  It is also interesting
>> that
>>during both these periods there was a time of global cooling and a "Mini
>> Ice
>>Age".  I was informed by N5OHL that we had one sunspot appear today.
>>
>>
>>
>>73,
>>
>>Alan, N5PA
>>
>>
>>
>>
>>
>>
>>
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