ABSTRACT: Thematic maps are used to graphically illustrate the distribution, density, and fluctuation of a certain phenomenon across a geographical region. They are a vital tool for analyzing spatial patterns and interactions between diverse aspects of the environment, with applications in a variety of domains such as geography, geology, ecology, environmental science, and urban planning, among others. In this article, we will look at several types of thematic maps, their characteristics, and uses, with an emphasis on drainage maps, slope maps, land use land cover maps, soil maps, and hydrological soil group maps. The hydrological soil group maps are especially important for water resource management, flood control, erosion control, detecting flood and erosion-prone locations, and evaluating the influence of land use changes on soil hydrology. As the demand for sustainable development and natural resource management develops, the usage of themed maps will become increasingly important in the future.
Key words: Thematic maps, Spatial patterns, Geographic area, Environmental conservation, Hydrological soil group maps, Land use planning
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