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Category Archives: science
The best way to see the effects of those dammed humans… Really, it’s a cool way to view something that is useful and scary at the same time. Go to the link and then click on the [VIEW BOTH IMAGES] box below the aerials. You can then use a slider to compare the 1986 image to the 1998 one.
A friend of mine brought to my attention this nice little graphic from the New York Times online regarding where natural disasters tend to be, based upon historical data. Oddly, I noticed that where I live has a nice big (compared to others on this map), juicy amber circle right over it. I can’t imagine what natural disaster they might be thinking about; even snow comes in manageable amounts here.
We occasionally get minor flooding and once in a blue moon major flooding (like last year with Tropical Storm Lee). Generally speaking, this area is temperate and lovely, with hot, muggy spells in the summer, but no natural disasters.
I just happened upon this series on PBS tonight – it is about all the stuff I am very much interested in. Patterns, nature – and tonight it happens to be about America’s “Food Factory”. Well, well! You can’t talk about that without showing those center pivot irrigation fields.
America produces so much more food than it really ought to be naturally producing, all due to artificially dragging water up out of the ground at rates and volumes so high that we’ll eventually be having wars over the stuff IMO. This is one point brought up; juxtapose this against feed-lot cattle and disappearing honeybees. It’s all quite disturbing.
One method used in the report is contrast between aerial photos of an identical areas in different years (one of my favorite things to do with aerials). It’s nice to make a point with patterns!
Years ago I went to a sales partner meeting at EROS in Sioux Falls SD. During a cool meeting there I got to see some applications of LiDAR in combination with aerial and satellite imagery.
Well – boy have things improved!
Pretty awesome quality! Just think of all the new old data we now could have access to!
I saw this really nifty real-time Wind Map today. I have nothing more to add to this other than to say it is utterly mesmerizing.
I’ve always been fascinated by the Aurora borealis; ever since I wrote a report on the phenomenon in the fifth grade. Living in Central New York never offered too much in the way of viewing them; we had a display from time to time, but really only in those years of peak sunspot activity (every eleven years or so).
I did see a fabulous display one time which couldn’t have fit in that cycle. It must have been in late summer 1982. I was driving west across one of the drumlins on Rt 104 in Oswego County just past dusk and noticed a green glow in the sky. I stopped at a friend’s house to spread the word, then home to watch while lying on the hood on the car. It lasted most of the night, with vivid greens, reds and some yellows.
The thing I remember most about that night is that as some of the “curtain shaped” lights whipped over my head, I could feel or almost hear the crackle of the electricity that they seemed made of!
Just downloaded DIVA-GIS to try out. Seems small and relatively responsive; I’m unfamiliar with it but willing to try. Let’s see how easy it is to work with!
If you have any interest in maps and the history of mapping, this brief History of Cartography is pretty nice. It is geared toward the UK mapping universe, however, and leaves out such cool things as stick maps of Micronesia and Inuit carved wood and antler maps.
Making maps in this abstract manner must have been difficult; were they made en route? Seems like the only way I could do it – with the terrain right there in front of me – but it also seems unlikely that they produced them in a kayak. What’s left? Amazing memories for topography and an ability to equate an abstract shape to a shoreline.
I have always love aerial photography. The first time I ever worked with them was very briefly in 7th grade Social Studies to view a city from the air. Since then I have worked with tons of them; indexing them, labeling them, ordering them, returning them, researching them; you name it and I’ve probably done it. I never get sick of looking at them.
I’d love to make some of my own, too, but I have no plane! What’s a poor would-be aerial photographer to do? Well, GEOINT has the answer! The latest thing in college-level geo-imagery is also the first thing, apparently.
Back in the 1800s when photography was new, people naturally wanted a view of their environs from a new viewpoint. The only available means were from balloons and kites (and pigeons, but that’s another story). So aerial photography was born – hanging from a balloon or a kite.
My camera means a lot to me. From what I’ve read, the poor thing would be protected by a shell of soda (pop) bottle, which also houses the shutter gas-pedal. I would worry about my camera, honestly. But it looks like such fun, and you can get some really snazzy aerial images this way.
And, so cheap!
You can see more about DIY aerial at Grassroots Mapping’s website.