Month: July 2020

  • Downloading Meteorological Data – NK2.0 App

    The purpose of a Rube Goldberg machine is to take the simplest of tasks and make the process so elaborate and grotesquely complicated, it is outright comical. It’s meant to be a joke. Though my sense of humor can be warped at times, there is nothing funny when it comes to dispersion modeling. At times, […]

  • Downloading NED Terrain Data – NK2.0 App

    If you are going to be using AERMOD, you will be using AERMAP to calculate elevations and effective hill heights. AERMAP needs terrain files to work. You can follow EPA’s guidance and follow the 10 steps to download the files needed and then follow another 10+ steps to convert the downloaded files to the required […]

  • Using Land Use to determine Rural or Urban – NK2.0 App

    Determining whether an area is considered rural or urban is one of the simplest tasks in dispersion modeling. If you are spending just a few minutes on performing this task AND documenting your analysis, you are spending wayyy too much time. Watch the short video below to see what I mean.