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Date of Award

2023

Document Type

Campus Access Master's Report

Degree Name

Master of Geographic Information Science

Administrative Home Department

College of Forest Resources and Environmental Science

Advisor 1

Mickey Jarvi

Advisor 2

Mike Hyslop

Committee Member 1

Evan Kane

Abstract

This paper analyzes how historic paper maps can be georectified to fill gaps in historic databases. To derive utility from historic paper maps, ERDAS Imagine was used to mosaic imagery and ArcGIS Pro was used to georeference the paper map and color correct the imperfections resulting from the scanning process. The results show there are multiple methods that can be used to georectify historic maps. The method selected is dependent on the resources available, for instance, type of scanner. The area and scale need to be considered to determine what type of transformation is needed to georeference a scanned map. In this particular study, the map corresponds to handwritten field notes and now, with spatial significance, can be used to revisit the same transect sites to observe change. There is a lack of comprehensive historic vegetation data on Isle Royale National Park and this study aims to create a process for future georectification and to begin creating an online, chronological database for vegetation.

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