Publications
Towards Sustainable Heritage Conservation: A Hybrid Landslide Susceptibility Mapping Framework in Japan’s UNESCO Mountain Villages
A hybrid landslide susceptibility mapping framework significantly enhances the accuracy of predicting landslides in Japan's UNESCO World Heritage sites, Shirakawa-gō and Gokayama. This approach integrates probabilistic slope stability modeling with ensemble learning techniques like XGBoost, CatBoost, and LightGBM, achieving AUC gains of 0.072, 0.066, and 0.063 respectively compared to buffer-based methods. The framework also incorporates future precipitation projections from ARIMA time-series modeling, providing a robust tool for sustainable risk management. SHAP analysis highlights the importance of physically meaningful features such as rainfall in landslide susceptibility. Additionally, the study evaluates the exposure of historic Gasshō-style houses and other buildings to varying levels of landslide susceptibility, offering actionable insights for local planning and heritage conservation.
Comparison Inventory of UNESCO World Heritage Villages: Kampung Morten, Melaka And Ogimachi Village, Shirakawa-Go, Gifu
UNESCO World Heritage villages, such as Kampung Morten in Melaka and Ogimachi Village in Shirakawa-go, Gifu, exhibit remarkable authenticity and integrity due to their traditional social systems, lifestyle customs, and conservation practices. These villages, dating back to the 11th century, serve as outstanding examples of architectural and technological ensembles that illustrate significant stages in human history. A comparative inventory analysis reveals that both villages have retained their original character through the use of traditional materials, techniques, and adherence to UNESCO conservation guidelines. The study highlights the importance of preserving these heritage sites while maintaining their functional and aesthetic integrity.
The Transition of Washi Industry and Cultural Landscape Conservation in Gokayama, Toyama, Japan
A dramatic shift in land use and washi production in Gokayama, Japan, has been documented, with paper mulberry fields declining sharply since the mid-20th century. However, pockets of traditional cultivation and spatial structures from the Meiji Era persist, offering a glimpse into past practices. The study reveals that washi production has transitioned from household-based to community-driven unions, with output increasing alongside efforts to revitalize the industry. These findings highlight the importance of preserving traditional processes for cultural landscape conservation in UNESCO World Heritage Sites.
CFD Analysis Considering Regional Topography and Measurement of Thermal Environment in Gassho-Style Houses in Shirakawa Village
A computational fluid dynamics (CFD) analysis reveals that the topographic features of the Shohgawa River Valley significantly influence the thermal environment within Gassho-style houses, a renowned Japanese vernacular architecture. The study demonstrates that these houses, particularly in Shirakawa Village, are not only adapted to local climate and culture but also optimized for passive thermal performance through their unique design. By integrating regional topography into CFD models, researchers identified how the valley's terrain affects temperature distribution and airflow within the houses, offering insights into their resilience against harsh winter conditions. This finding underscores the importance of considering geographical context in architectural studies, providing a deeper understanding of how traditional designs can be both culturally significant and environmentally efficient.
Conservation Design for Traditional Agricultural Villages: A Case Study of Shirakawa-go and Gokayama in Japan
Traditional agricultural villages, such as Japan's Shirakawa-go and Gokayama, face rapid decline, threatening their cultural heritage. Conservation efforts must balance tangible preservation with intangible traditions while maintaining ecological integrity. This study highlights the critical role of resident engagement and re-establishing links between landscape elements—like gassho-style houses—and daily activities (e.g., agriculture) to sustain these villages. It emphasizes that regulations alone are insufficient; self-motivated residents and innovative design are essential for long-term viability. The research combines case study analysis with conservation design principles, offering a model for safeguarding similar heritage sites globally.
The sociocultural impacts of World Heritage Site designation on local communities.
World Heritage Site (WHS) designation significantly alters sociocultural dynamics for local communities, impacting social cohesion, privacy, heritage conservation, and interactions between residents and visitors. A study of the 'Historic Villages of Shirakawa-go and Gokayama' in Japan reveals that while tourism boosts global recognition and economic benefits, it also introduces challenges such as congestion, loss of community 'feel,' and strained local-visitor relationships. The research employs a mixed-method approach, analyzing social pathology changes, conservation efforts, and local perceptions to highlight the complex interplay between heritage status, tourism, and community well-being.
Conservation of Gassho-style Houses and Villages
A networked approach to conserving Gassho-style houses could serve as information centers for UNESCO World Heritage Sites, leveraging scattered historical structures across Japan. The study highlights the potential of repurposing relocated gassho houses—some used in museums and restaurants—as hubs for educational engagement with these heritage sites. Conservation efforts began in the 1960s, with village community associations playing a key role, particularly in Shirakawa-go. Designations as National Historic Sites in the 1970s further protected Ainokura and Suganuma villages in Gokayama. The research underscores the importance of integrating these dispersed houses into broader heritage preservation strategies.
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