BLOGGING SPATIAL DEVELOPMENT
The European Space Agency's Sentinel-1 satellites have been comparing radar measurements over time to measure the difference in height of skyscrapers in San Francisco. The Millenium Tower has sunk and tilted since being built in 2009. The use of the data has potential for other applications in land deformation analysis around the globe.
Check out this recent addition to the New York Times' Upshot, Mapping the Shadows of New York City. Great geovisualization and graphics highlight the shadows produced by the buildings across New York City throughout the seasons.
www.nytimes.com/interactive/2016/12/09/science/mapping-three-decades-of-global-water-change.html?emc=eta1&_r=2Thirty years is a short time geologically. But in the life of hydrology, a lot can change. These data visualizations, recently developed the New York Times, are created from a 30-plus year dataset from the Global Surface Water Explorer. Underlying the datasets are over 3 million Landsat images, "or nearly two quadrillion bytes (1.8 petabytes) of data. The images were processed in the cloud by 10,000 computers using Google’s Earth Engine platform, classifying each 100-foot by 100-foot pixel as water or land." One can download the datasets themselves and develop their own projects.