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anaximander

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About anaximander

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  1. This is the best one I've worked with - https://sourceforge.net/projects/terraincognita2/ Best, Jason
  2. You can get the VIIRS night lights products from here - http://ngdc.noaa.gov/eog/viirs.html Hope this helps!
  3. Hi Intertronic, What specific geodata to you want to extract from tweets? I have mapped out information based on hashtags before using R (with some packages) and you can see an example of this on here - http://jason-doug-climate.blogspot.com/2015/02/why-are-british-tweeting-about-climate.html Best Jason
  4. Hi Raphael, The data is has a spatial resolution of 9 km and are 15 days maximum composites. I haven't used ArcGIS to work with this data so I can't quite comment much about it but the link below should give you a good start - http://gis.stackexchange.com/questions/104500/how-to-create-several-header-files-to-open-avhrr-ndvi3g-gimms-files There's also a much more detailed explanation about the dataset in the pdf that can be found at the following link http://www.mdpi.com/2072-4292/6/8/6929 I hope this helps! Jason
  5. Hi Raphael, You can find the 'GIMMS AVHRR Global NDVI 1/12-degree' data at the link below http://ecocast.arc.nasa.gov/data/pub/gimms/3g/ The data range is from 1982 to 2012 I believe. The data is in binary format but I have found a way to read it using R. However, I think you can read it pretty easily with ENVI as well once you get the header figured out. Let me know if you need some help with this as I've looked into this data a little bit a while back All the best! Regards, Jason
  6. Hi, I have some very good information and links on this site. Thanks again everyone!
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