The BBC news reports on a study conducted in the Brazilian Amazon by Brazilian and US researchers. While it is limited in details. the article discusses the use of different remote sensing techniques than have been used to calculate deforested areas to date. If anyone knows the journal article this is from please share in the comments.
An effort is underway to map flood levels from Katrina from Florida to Louisiana to generate an atlas of the storm surge.
Check out the article at Wired.com
Whatever your beliefs on the global warming issue, the recent spate of articles on the melting of Arctic ice and the warming of the climate in Alaska seem pretty scary. Satellite imagery is being used to show that the Arctic ice cap is shrinking at an alarming rate.
You can check out the MSNBC.com article here
Here is another at the London Times Online
The ESA will soon be launching a new satellite to measure the ice levels at the poles to determine if the prediction that global warming is impacting ice levels is true. From the article, the main sensor will be radar.
If you’re into volcanoes, the USGS is releasing a 20-minute video which gives a summary of activity at Mount St. Helens over the past year. Details of the release will be available after the news event today, which was scheduled for 10am PDT (1pm EDT)
Via Spatial News
This is an interesting note on how we have been altering the climate for quit some time. Carl Sauer was conducting research in the early part of the last century on how prehistoric peoples in the New World have been altering the landscape by clearing large areas. This of course can be linked to altering the climate through deforestation as is mentioned here.
This is more Geology than physical geography, but it is still a great concept for a learning park.
The environmental toll of Katrina is just staggering. The Washington Post features a pretty in-depth look at the fallout. Imagine not having reliably clean water for years! Click here to read (registration required, but it’s free)