Sara's GIS Journal

  This week I learned about LULC and Ground truthing. The map above represents Pascagoula, MS where I digitized features and defined them by their LULC code. I then used a ground truthing accuracy assessment to identify whether the classifications were correct. Out of the 30 random points that were selected, I got a 67% accuracy rate. 

  In this lab, I learned how to identify different features in an aerial photograph based on different categories such as association, pattern, shadows, and Shape/size. Additionally, I learned how to analyze an aerial photograph based on texture and tone. These two maps depict the analyzed aerial photographs. 

 https://drive.google.com/file/d/1qQrUhwUYAcelmjamrQkZWCn9-EwDi71d/view?usp=sharing https://arcg.is/1uLKaH0 Above are the links to my final project presentation along with the arcGIS Story map used to create this presentation. This project was conducted to evaluate the effectiveness of the factors originally chosen in selecting a route for a transmission line crossing the Manatee-Sarasota line. Through Analyzing these factors, I seek to understand their influence on the final route and find any potential areas for improvement. Data layers required for this project include Wetlands/conservation areas, county parcel boundaries, Schools, existing transmission lines, Manatee and Sarasota county schools, Roads/highways, Florida Cities, and Water features. T his project reinforced the importance of data conditioning, projection accuracy and spatial reasoning in GIS. It shows how mapping and quantitative analysis can inform complex infrastructure decisions in a clear and visual way....

  In this lab, I learned how to Georeference. I georeferenced multiple images of the UWF campus to the layers provided in the lab. On all images, I got a RMS error of around 4. I also started to learn the editing tools of ArcGIS such as using the snapping tool to create lines such as the roads, and also creating polygons such as buildings (UWF Gym in this instance). This map represents the georeferences photos along with the edits made, and the Eagles Nest location, made with the multiple ring buffer tool. 

  https://arcg.is/1HLy8O1 Above is a link to a webmap created in this week's module, displaying schools in Manatee County, FL. I actually enjoyed working with excel this week and manipulating data to transform it into useable data, as I enjoy working with spreadsheets and am very familiar with excel. Therefore, this lab went pretty smoothly for me. Learning about geocoding was different but fairly easy to wrap my head around. The hardest part was manually fixing the non-matched addresses, but once I did a couple I was able to understand the methods. Additionally, fixing the errors when sharing the map as a webmap proved to be the part of the lab I got the most stuck, but after some troubleshooting I was able to publish my map successfully.