GIScience

GIScience

Sensory processing and making maps through creative abstraction

The human mind is wired to observe variance in visual gradients, something that can be commonly observed with density or weather maps. Sensory processing...

R is spatial too!

Working with geographic data typically implies the use of some software. At the beginning of the GIS age, from the 1980s on, the “blockbusters”...

How accurate is your smartphone’s GPS in an urban jungle?

GPS in our phones in an amazing invention. It connects the virtual space of the Internet with the physical world. Smartphones can quite precisely pinpoint...

This Map Plots Locations Of More Than 100 Million Animal Species

The United States Geological Society (USGS) has launched an amazing online database and map. Biodiversity Information Serving Our Nation (BISON) is a Web-based map with search functionality that...

GeoMedicine: Can Geographic Information keep you healthy?

TED talks have kept me busy off late and I have watched talks on pretty much everything from African symbology to Peace negotiations, Engineering...

The PhD thesis that paved the way for GIS

Few Ph.D. theses have ever changed the world in the same world that Roger Tomlinson's thesis has. Roger Tomlinson, widely considered as the "Father...

Amazing ”Ground Truth” Technology behind every Google Map

Interesting technology for ground truthing the real world. Google is able to index the real world through computer image  and object character recognition (OCR)...

USGS “Water On-the-Go” App Helps Keep Texans Safe with Current Stream Conditions

For more than 100 years, the US Geological Survey (USGS) has monitored flow in selected streams and rivers across Texas. The information collected at...

How Earth will look like 250 million years from now

Our planet is continuously in motion. Continents are floating on tectonic plates at different speeds from 1 to even over 10cm a year. Recently...

Google Crisis Map For Anticipating Hurricane Isaac

Hurricane Isaac affected the northern Gulf Coast of the United States, including the western Florida Panhandle, Alabama, Mississippi and Louisiana, as a tropical depression....

TED talks: How to fool a GPS

I found today this interesting TED talk by Todd Humphreys - the director of the University of Texas at Austin's Radionavigation Laboratory. He forecasts...

Mining the Moon.. “Hmmm…, Really?”

Everytime I hear someone talking about mining the moon, I  think of the science fiction movie by Sam Rockwell. This month, I went on...

Ocean Observatories and Geospatial Visualization

Seven-tenths of the surface of the planet we call home is Ocean and yet we have barely explored the depths of the oceans. Going...

IPHONE 4S combines GPS and GLONASS for Precise Geolocation.

Interestingly grand, to realise that my new IPHONE 4S can refine my geolocation combining GPS + GLONASS satellites.  Is that to say,  I could...

These 5 tools will let you master map projections

Understanding and choosing the right map projection can be tricky. For GeoGeeks it is painful to see the unconscious overuse of Mercator. If you...

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