How can we quantify the degree of shelter afforded to a specific location? This paper reviews various approaches to assess topographic exposure, a crucial variable in diverse applications from snowdrift dynamics to wind farm placement. With computer technology rapidly advancing, the focus shifts from fieldwork to digital terrain models. The study traces the evolution of exposure measurement techniques, from qualitative observations of wind-shaped trees to quantitative assessments like Pyatts's TOPEX. However, it emphasizes the advantages of using digital terrain models, which offer a fast, office-based solution, minimizing the need for labor-intensive fieldwork. By summarizing the development and application of these methods, the paper provides a valuable resource for researchers and practitioners in fields like meteorology, ecology, and engineering. The shift towards computer-based solutions highlights the increasing role of technology in environmental analysis and planning.
Published in Meteorological Applications, this review aligns with the journal's focus on practical applications of meteorology and climatology. The paper discusses methods for assessing topographic exposure, a factor influencing local weather patterns and climate. The discussion on digital terrain models also fits the journal's scope, as these models are increasingly used in meteorological research and forecasting.