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  • 05/31/2019 10:52 AM | Jeannette Byrd (Administrator)

    From the USGS: The NLCD 2016 suite of Conterminous U.S. (CONUS) land cover and impervious products have now been released. This release includes seven epochs of land cover (2001, 2004, 2006, 2008, 2011, 2013, and 2016), a 2001 ā€“ 2016 land cover change index, and eight urban imperviousness datasets - a percent imperviousness and classified imperviousness for 2001, 2006, 2011, and 2016. The NLCD 2016 products for trees, shrubs, and grasses will be released in the coming weeks.

    Check it out:

  • 04/29/2019 8:08 AM | Jeannette Byrd (Administrator)

    The U.S. Census Bureau is conducting a series of free data access webinars to all interested data users. Topics include  Introduction to the U. S. Census Website, Understanding the American Community Survey, and Census Data Made Easy. Visit the Census Academy webinar page to learn more.

  • 04/12/2019 9:58 AM | Jeannette Byrd (Administrator)

    The City of Tuscaloosa is hosting a Lucity Regional Users Group meeting on May 20, 2019. If you are a Lucity user, join the City of Tuscaloosa GIS staff for this free event. The City of Tuscaloosa is also a sponsor of GISAA!

    Registration info:

  • 04/05/2019 7:28 AM | Jeannette Byrd (Administrator)

    From Keith Cooke at Esri:

    We'll be holding an ArcGIS User Group Meeting on Tuesday, May 14 from 9-noon at the Regions Center Auditorium. It's at 1900 5th Ave. N. in Birmingham. Will Meyers and I will go over some of the changes in the ArcGIS platform, including some of the newer products coming out. It will be a great opportunity to learn and network.

    Register online at:

  • 03/18/2019 11:35 AM | Anonymous

    Click here to read how NEI assisted Arkansas-based Crafton Tull to develop an in-house solution to survey a 9,000 acre pipeline, that allowed photogrammetry, CAD files, and 'blueprints' to be produced in 10 days.

  • 02/20/2019 8:29 AM | Jeannette Byrd (Administrator)

    Need quick access to elevation data in a variety of formats? Check out this resource from the USGS. The web app makes it easy to find your area of interest, select an elevation product, and download just what you need.

  • 02/15/2019 7:10 AM | Jeannette Byrd (Administrator)

    The USGS National Map, 3D Elevation Program (3DEP) lidar data is now available as an Amazon Public Dataset. For more details on this new capability please see the USGS Technical Announcement  at:

    For additional information, contact The National Map Service Desk, United States Geological Survey at

  • 02/13/2019 8:34 AM | Jeannette Byrd (Administrator)

    The USGS National Map is making a small change to its dynamic Contour Overlay service URL starting Friday, March 1, 2019. The new Contour service URL will be The ā€˜cā€™ in contours is now a small letter rather than a capital letter. This change maintains consistency in the naming pattern across our overlay services and helps facilitate the automation in loading our data updates. There are no changes to the cartography of the product, only the URL.

    For additional information please contact The National Map Service Desk, United States Geological Survey at

  • 01/11/2019 9:24 AM | Alex Lopez-Rogina

    GISAA is now on social media!

    Click to links below to find us on your favorite platforms... and help spread the word!

    Like us on Facebook       Follow us on Twitter

    Follow us on LinkedIn    Request Slack Access

  • 01/10/2019 12:44 PM | Anonymous
    Ryan Kibsgaard, over at ASI, provides a general description of WebGL, specifically in regards to rendering maps natively in a browser.  Check out the full article and be sure to click through the interactive examples, such as the hurricane map shown below.

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