Graduate Thesis Or Dissertation
 

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https://ir.library.oregonstate.edu/concern/graduate_thesis_or_dissertations/4x51hn81c

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  • Patterns of land use/land cover explain some of the spatial variability in sensitivity of surface waters to acidic deposition. Historic changes in land use/land cover may further explain some of the spatial variability. A map of land use/land cover changes needs to be compiled before this relationship can be analyzed. The objectives of this research are: 1) to determine the feasibility of mapping historic land use/land cover changes using Vermont as a pilot study, 2) to map the historic land use/land cover changes for Vermont, and 3) to evaluate and describe the resultant map. Relevant literature on land use/land cover is reviewed for maps and other descriptive information. The first step in compiling the map is to determine the classes of change which would influence the sensitivity of surface waters to acidic deposition. The map is constructed using present land use/land cover maps, topographic maps, and a 1935 map on quality of land for farming. These maps are augmented by descriptions of land use/land cover changes, information on successional stages, and relationships between land uses and physiography. The mapped categories are: nonforested lands, forested lands with agricultural potential, permanently coniferous forest, permanently deciduous forest, permanently mixed forest, permanently forested wetland, ski areas, and water. The composition and spatial location of each of these categories is discussed. In addition, an assessment of the reliability of the map is made using estimates of the percentage of each county in each of the major land uses or land covers.
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file details Map.jpg 2017-09-27 Public Download