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Archive for the ‘Geospatial Reflection’ Category

Careers in Remote Sensing Part II

Friday, November 15th, 2013

On August 20th I posted a blog on a distinguished Intermap employee “Mr. Robert Crawford” who has been in the remote sensing business for nearly four decades. The blog had a snipped of a newspaper article from “CORPUS CHRISTI CALLER dating back to February 18, 1977.

Bob Crawford


Coahuila, Mexico Fire Disaster

Tuesday, November 5th, 2013

While at the ASPRS “Imaging and Mapping for Disaster Management: From the Individual to the Global Community” I attended many excellent talks about remotely-sensed solutions for disaster management.  An excellent presentation, given jointly by Rohini Swaninathan (NASA Intern) and Pedro Juan Rodriguez Rivera, reported on the use of freely available, satellite-based, remote sensing technologies and GIS solutions to help identify hotspots of large fires burning in Mexico. This project was prompted because of the 2011 fire in Coahuila, Mexico, where nearly 100,000 hectares of land were burned, costing the Mexican government to spend over 19 million US dollars. This fire represents the largest amount of land burned in a single fire in Mexico and took weeks to be extinguished.


Disaster Management

Friday, October 25th, 2013

Flash floods, typhoons, earthquakes, wildfires, tornados, hurricanes; the list is extensive when it comes to natural disasters! With increased global awareness of worldwide natural disasters, the geospatial community is increasingly getting involved in innovative ways to provide and utilize geospatial data to the field of natural disasters. Without geospatial data, one cannot expect effective and efficient disaster management because geospatial data are the essential element of Emergency Response Systems (ERS).

ERS systems maximize the use of geospatial information to meet the real needs of users across a wide variety of different sectors and disciplines. Over the past decade, we have seen progressive, web-based and data hosting infrastructures coupled with evolving geospatial data and methodologies, which enable the development of unique decision support frameworks for the disaster preparedness and response.


The importance of aircraft stability in Commercial Flying and Remote Sensing Data collection

Tuesday, September 24th, 2013

I just traveled quite a distance to come to the Asian Geospatial Forum Conference in Malaysia on the new Dreamliner – 787. Six hours into the flight we had to back track to Anchorage to avoid an emergency landing in Russia, all because our flaps were not working. To accomplish a flapless landing the pilots had to speed up and drop down fast. In three or four minutes we descended about 5000 feet! They warned us, and I quote, “this is a serious but doable approach, remain calm and review the safety brochure.” The ability of the pilots to control or stabilize the aircraft to achieve a safe, albeit rough landing, got me thinking about our Lear jets used to collect interferometric synthetic aperture radar (IFSAR or InSAR) data. Ok, maybe I am a radar geek if that is what I am thinking about in an emergency landing?

In many cases, we fly in remote areas where there is little opportunity for us to deploy ground control, but still need to acquire high resolution data. How is it possible to achieve high resolution data collections without the deployment of in-scene ground control? The answer lies in the stability of our aircraft and our ability to precisely know where our two radar antennae are with respect to the ground we are mapping and our nominal flight trajectory (planned flight path).


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