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Showing posts from March, 2012

Perpetual Ocean

Using a computational model called Estimating the Circulation and Climate of the Ocean, Phase II (ECCO2), the NASA Goddard Space Flight Center Scientific Visualization Studio visualizes surface currents around the world.

What Doesn't Stay in Vegas? Sprawl.

Las Vegas has undergone a massive growth spurt. This image series, created in honor of 28th birthday of Landsat 5, shows the city sprawling across the desert. The outward expansion of Las Vegas is shown as a false-color time lapse from all 40 years of Landsat satellite data.


An animated short set in a post-apocalyptic universe (Los Angeles).

An Urban World

This graphic depicts countries and territories with 2050 urban populations exceeding 100,000. Circles are scaled in proportion to urban population size. Hover over a country to see how urban it is (percentage of people living in cities and towns) and the size of its urban population (in millions).

Difference between weather and climate

In this animated short, the relationship between trend and variation are explained with an excellent analogy to a man walking his dog. There is much more variation in the path that the dog takes as compared with the man, but they are both headed the same way. Similarly, weather can be highly variable and climate means long term trends.

Asia is the world's largest petroleum consumer

Asia surpassed North America as the largest petroleum-consuming region in 2008. Asian demand surged nearly 15 million barrels per day from 1980 to 2010, an increase of 146%. North America's petroleum consumption increased 16% between 1980 and 2010. Global petroleum consumption increased 36%, nearly 23 million barrels per day, during the period.