Advanced GIS Lab4

Introduction

In this Lab, I Practiced creating random plots and using the select by attribute and location tool. Also, worked making map series for developing automate map pages. To complete the task, I used the area of interest (AOI) shape file, the shape file of Land Ownership, and roads file. In this process, In this process, I used ArcPro and the coordinate system, NAD 1983 UTM Zone 12N is used. the coordinate system, NAD 1983 UTM Zone 12N is used.

Map Book Download

Figure 1. The example of the Map Book

Objectives

Create 1000 circular plots
Buffer all (10-meter diameter)
Select BLM agency land
Prioritize sites near roads <= speed limits
Create final random selection
Make map book

Methods

The analysis shows each location of 100 randomly selected buffers in BLM agency land. First, I created 1000 random site locations and create a 5-meter buffer around all points using the buffer tool. Second, I used an attribute tool to select all polygons where the owning agency is BLM and then used select by location tool to select buffers completely within BLM land. Third, I selected less than or equal to 45-speed limit roads by exploring the attribute table and then select BLM sites within 500-meters of selected roads by using select by location tool. Finally, I used the subset features tool and created 100 randomly selected subsets.

Result & Discussion

I could create the map book on ArcPro by this Lab. Most of the process is not too hard but selecting 500-meters of roads with speed limit less than or equal to 45 mph is not easy. I struggled with this issue because although the select by location tool was working the analysis results also showed success, the selection result showed 0 results. After several trials, I found the reason. I think one of the previous working processes was not finished because this task I conducted several select by attribute and location tools. Also, I made a big size layout, and this made slow the speed of making pdf files. Therefore, I will consider the size of the layout next time.

References

1) A shapefile of AOI (Belmont)

2) A shapefile of LandOwnership from UT AGRC

3) Roads_AOI file from UTAGRC

4) Lab04 of WATS 6920 course (USU)

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