Sycamore Spring Reservoir AZ update

 It was an entry on this dam and reservoir that I started this blog with. 

Now there is video!  From Tammy Rascon

https://goo.gl/maps/1JdZewejV8sseZsB6

And some old photos!

https://tucson.com/mt-lemmon-prison-camp/image_b036515e-602a-11e7-babf-1f0248c3a150.html

https://tucson.com/mt-lemmon-prison-camp/image_28b85ef8-5782-11e7-bc29-97369bcb78c9.html

The Grindelwald Fluctuation

 

Four hundred years ago, England experienced some of its worst weather ever. In the depths of the Little Ice Age (1300-1800), huge volcanic eruptions in the Americas pushed dust and gases high into the atmosphere, blocking out the sun. The related cooling phase is known as the "Grindelwald Fluctuation' (1560-1630).

https://phys.org/news/2021-02-newly-chronicle-extreme-weather-events.html

Boreal winter

 Still not found on Wikipedia

(it means winter in the Northern Hemisphere

Austral winter is found, but it's incorrect

Austral winter is winter in the Southern Hemisphere

Octohat OCTOHAT Octo hat

 It seems to be a British term, based on 8 cornered hats worn at graduation for Doctorate students

But I can find no source for this

Definitely not found on Wikipedia

GISS changes the "data" once again

 A quick comparing of the 2015 version vs the 2020 version of GISS "data"

Since they regularly change the "data" I call it "data" rather than data

2020 version

2015 version

2020 version

2015 version

5 years from now it will be yet again different

source-->  https://data.giss.nasa.gov/gistemp/maps/

You will not find this on Wikipedia

The controversy over Louis Agassiz’s 1837 ice age theory is found!

Louis Agassiz’s 1837 ice age theory, seems pretty well known now.  But he didn't come up with it, this is found and not found on Wikipedia.

https://en.wikipedia.org/wiki/Louis_Agassiz#Ice_age

https://www.britannica.com/biography/Louis-Agassiz

But what does not appear on the Agassiz page, on Wikipedia, or Britannica, is that he stole it from Karl Shimper

This knowledge does appear, in a brief way,  in the Karl Schimper article

https://en.wikipedia.org/wiki/Karl_Friedrich_Schimper

This remarkable paper published 50 years after gives a wonderful account of the whole sordid matter.

https://archive.org/details/jstor-25101263/page/n1/mode/2up

Just beautiful writing in that old text, thanks to archive.org for saving it from obscurity

It's mentioned in

A Short History of Nearly Everything

https://en.wikipedia.org/wiki/A_Short_History_of_Nearly_Everything

The carbon dioxide theory of the ice ages by John Tyndall

Not even on his page!

https://en.wikipedia.org/wiki/John_Tyndall

As best as can be told, nowhere on Wikipedia  (no surprise actually)
Archive.org has it archived here

Calculation shows that doubling or tripling the amount of the carbon dioxide of the atmosphere increases the average sea level temperature by about 4° and 7°K, respectively; halving or reducing to zero the carbon dioxide decreases the temperature by similar amounts. Such changes in temperature are about the same as those which occur when the earth passes from an ice age to a warm age, or vice versa. Thus the calculation indicates that the carbon dioxide theory of the ice ages, originally proposed by Tyndall, is a possible theory.

https://journals.aps.org/pr/abstract/10.1103/PhysRev.38.1876

https://rmets.onlinelibrary.wiley.com/doi/pdf/10.1002/wea.386

https://history.aip.org/climate/xTyndall.htm

https://royalsocietypublishing.org/doi/10.1098/rstl.1861.0001


See also  Louis Agassiz’s 1837 ice age theory