tag:blogger.com,1999:blog-6425975968926101343.post3141050493680712592..comments2023-04-03T08:05:38.688-07:00Comments on Gardener's Roost: THE JUVENILE HAS FLOWN and Alaska CruiseKit Aerie-elhttp://www.blogger.com/profile/06548961699994971020noreply@blogger.comBlogger2125tag:blogger.com,1999:blog-6425975968926101343.post-20941407402602250632008-08-19T15:22:00.000-07:002008-08-19T15:22:00.000-07:00Thanks, Tui for the most excellent question about ...Thanks, Tui for the most excellent question about the blue color of the ice!! <BR/><BR/>The nature specialist onboard talked about that, and I think the best explanation is on the website:<BR/><BR/>http://www.fs.fed.us/r10/tongass/forest_facts/<BR/>resources/<BR/>geology/icefields.htm<BR/><BR/>(quote) Why the Pretty Colors?<BR/>Year after year, snow accumulates and compacts underlying snow layers from previous years into solid ice, causing changes in volume, density and crystal structure. Glacial ice appears blue because it absorbs all colors of the visible light spectrum except blue, which it transmits. Glacial ice may also appear white because some ice is highly fractured with air pockets and indiscriminately scatters the visible light spectrum. Rocks and other debris picked up by the glacier add a brown tint to the picture. (end quote)<BR/><BR/>Here are a couple other good websites for information on glaciers and icebergs:<BR/><BR/>http://ak.water.usgs.gov/glaciology/FAQ.htm<BR/><BR/>http://www.solarnavigator.net/icebergs.htm<BR/><BR/>As for the juvenile, I've got a few photos of him/her to post, once I finish getting unpacked now that I'm finally home again!<BR/><BR/>Hope you're enjoying Italy, even though it looks like Naples is deserted for August!Kit Aerie-elhttps://www.blogger.com/profile/06548961699994971020noreply@blogger.comtag:blogger.com,1999:blog-6425975968926101343.post-70880374288315963622008-08-19T04:41:00.000-07:002008-08-19T04:41:00.000-07:00Wow! That storm sounds intense! Love all the photo...Wow! That storm sounds intense! Love all the photos. That glacial blue is incredible, isn't it. Something to do with high nitrogen content, right? <BR/><BR/>Also, I'm so glad to hear the eagle is flying so well. Hooray! :)Tui Snider @mentalmosaichttps://www.blogger.com/profile/17158968186971091695noreply@blogger.com