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Bob Sica is the new Chair of the Department of Physics and Astronomy | Western Physics and Astronomy --- What's Happening
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Western Physics and Astronomy — What's Happening. Follow us on Twitter. Follow us on Facebook. The Department of Physics and Astronomy. Physics and Astronomy at Western What's Happening. Bob Sica is the new Chair of the Department of Physics and Astronomy. June 27, 2015. Professor Robert (Bob) Sica. Has been appointed as the new Chair of The Department of Physics and Astronomy, starting on September 15, 2015. Bob is an internationally renowned atmospheric physicist and founder of the Purple Crow Lidar.
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Scatterings: March 2014
http://blog.purplecrowlidar.ca/2014_03_01_archive.html
The Official Purple Crow Lidar. Thursday, March 20, 2014. Echoes of Walkerton in Environment Canada cuts. Prof Thomas Duck writes:. The cost of the Walkerton tragedy was estimated at the commission to be between $64.5 million and $155 million. It remains to be seen what the cuts to Environment Canada will ultimately cost us — both financially and in human terms. Echoes of Walkerton in Environment Canada cuts Toronto Star. Posted by Bob Sica. Share on App.net. Links to this post. Monday, March 10, 2014.
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Scatterings: Canadian SciSat Finds a Delay in Ozone Recovery from The Globe...
http://blog.purplecrowlidar.ca/2014/11/canadian-scisat-finds-delay-in-ozone.html
The Official Purple Crow Lidar. Monday, November 10, 2014. Canadian SciSat Finds a Delay in Ozone Recovery from The Globe. Canadian SciSat Finds a Delay in Ozone Recovery. From The Globe and Mail: Ozone-destroying chemical making comeback. Good news, bad news:. Changes in circulation are causing “old” air with high levels of ozone-destroying hydrogen chloride to persist in the stratosphere, slowing ozone recovery due to CFCs. More on SCISAT from the Canadian Space Agency. Via https:/ dayone.me/10rczmL.
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Scatterings: June 2014
http://blog.purplecrowlidar.ca/2014_06_01_archive.html
The Official Purple Crow Lidar. Saturday, June 14, 2014. The photo below shows a new take (for me) on the a sundial, mounted vertically on a building instead of horizontally. You can see from the shadow that is was around noon. Also indicated (I think) are zodiacal positioning, at least that’s what the symbols looked like. And to top it off look carefully and you can see that now only did a Crow snap the picture, a Crow posed in it! Location: Murtenhof, Mürten, Switzerland. Posted by Bob Sica.
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Scatterings: October 2014
http://blog.purplecrowlidar.ca/2014_10_01_archive.html
The Official Purple Crow Lidar. Thursday, October 30, 2014. Changing Luminosity in Saturn’s Rings Kudo to Crow Shannon, a. Changing Luminosity in Saturn’s Rings. Kudo to Crow Shannon, a co-author in a recent study published in Icarus. About the changing luminosity of Saturn’s F ring. This exciting research story was recently reported in the LA Times. You can read the article here. OK Shannon now it is time to go back to the chaos at Echo Base ;-). Via https:/ dayone.me/Ys1zXQ. Posted by Bob Sica.
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Scatterings: The Crows at Summer Camp
http://blog.purplecrowlidar.ca/2014/08/the-crows-at-summer-camp-on-flickrthe.html
The Official Purple Crow Lidar. Monday, August 4, 2014. The Crows at Summer Camp. The Crows at Summer Camp. The young crows recently enjoyed a week at the Connaught Summer Institute in Arctic Science. Posted by Bob Sica. Share on App.net. Subscribe to: Post Comments (Atom). The Crows at Summer Camp. Follow me on App.net. Purple Crow Lidar Home Page.
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Scatterings: Determining Rayleigh Scatter Lidar Temperatures Using an Optimal Estimation Method
http://blog.purplecrowlidar.ca/2015/03/determining-rayleigh-scatter-lidar.html
The Official Purple Crow Lidar. Wednesday, March 25, 2015. Determining Rayleigh Scatter Lidar Temperatures Using an Optimal Estimation Method. Middle atmosphere temperature profile retrieved using an OEM (red curve) compared to the traditional analysis using 2 detector channels (blue and green curves). A lay summary of the paper is available at the Optical Society of America’s Spotlight on Optics. We encourage you to try this method, and we are available to help answer your questions as you implement it.
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Scatterings: January 2014
http://blog.purplecrowlidar.ca/2014_01_01_archive.html
The Official Purple Crow Lidar. Friday, January 24, 2014. Or should I say cold-#snap! Nice to see something obvious so simply explained, though I fear it will miss its intended audience and just “preach to the choir”. Posted by Bob Sica. Share on App.net. Links to this post. Wednesday, January 22, 2014. CANDAC’s Eureka Observatory Featured in the #GlobeAndMail #GlobeNorth. Crow Emily is featured in this timely article on the important scientific work being done in the Canadian high arctic at Eureka:.
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Scatterings: May 2014
http://blog.purplecrowlidar.ca/2014_05_01_archive.html
The Official Purple Crow Lidar. Friday, May 23, 2014. Awards brought home from NSERC Arctic Atmospheric Research Symposium Western Physics and Astronomy - - What's Happening. So proud of all the Crows for their performance at the CREATE workshop, but in particular shout-outs to Crows Emily, Sham and Shannon for their outstanding talks! Photo credit: Henry Leparskas. Posted by Bob Sica. Share on App.net. Links to this post. Subscribe to: Posts (Atom). Awards brought home from NSERC Arctic Atmospheric .
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Scatterings: August 2013
http://blog.purplecrowlidar.ca/2013_08_01_archive.html
The Official Purple Crow Lidar. Saturday, August 31, 2013. Raspberry Pi mini Mac Classic: Wow! This wizard made is own mini Mac Classic! Posted by Robert Sica. Share on App.net. Links to this post. Subscribe to: Posts (Atom). Raspberry Pi mini Mac Classic: Wow! Follow me on App.net. Purple Crow Lidar Home Page.
