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    Rivers melt Arctic ice, warming air and ocean

    Lurker
    By Lurker,
    A new study shows that increased heat from Arctic rivers is melting sea ice in the Arctic Ocean and warming the atmosphere. The study published this week in Science Advances was led by the Japan Agency for Marine-Earth Science and Technology, with contributing authors in the United States, United Arab Emirates, Finland and Canada. According to the research, major Arctic rivers contribute significantly more heat to the Arctic Ocean than they did in 1980. River heat is responsible

    Resilient PNT critical to maritime advancement

    Lurker
    By Lurker,
    The International Maritime Organization (IMO) has issued a resolution for maritime cyber-risk management, effective January 2021. IMO Resolution MSC.428(98) affirms that maritime operators need to address cyber threats that risk the integrity and availability of technology systems. GPS/GNSS signal jamming and spoofing expose the vulnerabilities of PNT-reliant systems. The single point of failure in the signals used to synchronize military operations or determine a vessel’s location leaves m

    Will ArcGIS run inside the new M1 Mac ?

    rahmansunbeam
    By rahmansunbeam,
    We already know that the new Macs with M1 chip can run both Intel and ARM apps made for macOS and iOS, but Mac users who rely on Windows for some specific software have lost Boot Camp support. However, CodeWeavers announced that CrossOver 20 now works on Apple Silicon Macs, which means that the new M1 Macs can run Windows software right on macOS. If you’re unfamiliar with CrossOver, it’s a platform based on the open-source Wine project that can run the Windows environment on macOS and Linux

    How to correct the elevation (Z) on the digital terrain model/DTM (raster) using gcp?

    tiktik
    By tiktik,
    Hello,  How to correct the elevation (Z) on the digital terrain model/DTM (raster from Terrasar) using gcp? what software or tools can I use? My DTM doesn't have RPCs. Thankyou

    DEM filtering Algorithm

    stuart1974
    By stuart1974,
    Hi, I have a sample DEM that has been generalized and filtered but keeping the sharpness of features. I have tried all filters i know but i couldn't replicate it. I would like to see if someone knows how to do it. Below are the links for the original and processed DEM: Processed: http://www.mediafire.com/file/1rv6nq3d3fwi6tp/filtered.jpg/file Original: http://www.mediafire.com/file/rn1jkbd06uwhkr4/original.jpg/file   Thanks in advance Stuart

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