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moawad74 last won the day on June 20

moawad74 had the most liked content!

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About moawad74

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  1. Here is another link for tropospheric NO2 satellite data with full world data access in different format... My mates prefer using this version rather than Giovani, I don't really know why... http://www.temis.nl/airpollution/no2.html
  2. I think the best name should be thematic maps and not statistical maps ....
  3. There are many papers which cover such topic... however here is some that may be helpful for you... http://www.knmi.nl/omi/research/documents/ http://www.ncbi.nlm.nih.gov/pubmed/19843549 http://www.atmos-chem-phys.net/10/8839/2010/acp-10-8839-2010.pdf http://www.google.de/url?sa=t&rct=j&q=&esrc=s&source=web&cd=22&cad=rja&uact=8&ved=0CDQQFjABOBQ&url=http%3A%2F%2Fwww.acd.ucar.edu%2FEvents%2FMeetings%2FAir_Quality_Remote_Sensing%2FPresentations%2F1.3.Goldberg.pdf&ei=6eUpU8v0IIWq4ASxsYGoAg&usg=AFQjCNE3ZunRy_3wr1Bp8iamJQU4wVmfNA&sig2=yDA2Mz0ieF6O7NBsLBiqZQ&bvm=bv.62922401,d.bGE Have fun
  4. I think you should have a look on OMI satellite and its abilities to estimate some gases, aerosols and air quality... http://ozoneaq.gsfc.nasa.gov/ You can as well access the data from here: http://disc.sci.gsfc.nasa.gov/Aura/data-holdings/OMI Have fun
  5. I answered this question in a facebook group few days ago... Here is the answer: (1) normally image registration in remote sensing refers to image matching when creating mosaic, (2) image co-register is the process of registering image bands together accurately to avoid what is known as "ghost boundary" which may be the result of band offset, (3) finally orthrectification is the process of terrain correction (relief displacement) in an image, and this requires accurate DEM and several ground control points (GCP) between the image and DEM to create the orthorectified image.
  6. Well, I am not such professional in eCognition but it sounds to me that you need a complex spatial model with conditional statements to detect vulnerable areas based on the data layers I mentioned before... If you can measure the safety index, this will be enough to be classified in any software as well as eCognition and define vulnerable sites...
  7. Geological formation (vertical column) Surfacial deposits Structure (rock tension i.e. joints, faults, fractures..etc) Slopes Historical records to estimate probability of occurrence If it is possible you have to measure what is known as safety index.... if you could determine it, it would be enough because it includes all the above factors Have fun
  8. I am not really sure if they are serious... from my own experience the ESA is very stingy.... However let's see..!!
  9. you may use this site: http://pro.scribblemaps.com/ however I prefer to use ArcGIS Server 10.2
  10. Why I am not able to upload images in my posts?
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