useful of gis

• The speaker got their master's degree in public administration, which has nothing to do with geographic information system or geography, but their academic advisor at GSU was interested in GIS in public services, from whom they learned a lot about how widely GIS is used
• After graduation, the speaker decided to continue pursuing a higher degree in geography because they became very interested in GIS applications
• The speaker's job as a GIS analyst in the environmental engineering industry

  Focusing on spatial data analysis, modeling, and visualization
• The speaker's company provides environmental engineering and construction management consulting services mainly towards government agencies
• Why GIS plays a very important role in the speaker's field of work


  • Environmental and civil engineering generally has a geographic element, so it will be advantageous to have this transferable skill
• GIS use in the speaker's projects

  1. Combination of environmental science and several forms of engineering

  2. Promotion of the environment of the area of interest

  3. Pollution control

  4. Waste management
• How GIS can help


  • Look at the distribution of features on the map
  • See patterns emerge
  • Map quantities to find locations that meet specific criteria and take actions
  • See the relationships between sites
• Advantages of using GIS

  • Formulating the scenario for an environmental impact assessment
  • Visualization of 3D modeling of landscape
• Example project: Helping an Air Force base figure out air jet fuel pollution and set up a remediation plan


  1. Continuously sample chemical components from the entire basin in groundwater, surface water, soil, soil vapor, and sediment

  2. Enter the data into an environmental geodatabase

  3. Create a 3D model with a time series to see where the toxic pollution affects the most, whether the area of pollution is changing, whether toxic elements follow the groundwater and expand the pollution area, and whether the targeted treatment has reduced the pollution
• The speaker's example of a web-based GIS application was built with Vue.js with API provided with Python Django RESTful framework