本研究以微機電系統感測器，研發具備土壤分層含水量與地表傾角量測功能之土層監測模組，結合無線通訊功能建立網路傳輸架構，於選定之監測場址形成分布式淺層邊坡感測網絡，並透過WCDMA(3G)技術即時上傳現地監測資訊至遠端伺服器，搭配太陽能電源系統，達到系統全自動化、現地即時資訊、長期監測等目標。由含水量監測結果與雨量測站資料做比對，顯示系統可即時反應現地降雨事件，且由非飽和土層入滲剖面可了解土層滲流情況，並估算現地淺層土壤之入滲速率。未來可結合發展完備之解析法，作為邊坡破壞預警系統之雛形，改善目前以雨量監測為指標之經驗法邊坡破壞預警模式。

To improve the limitations of rainfall-based slope warning system, slope monitoring module for shallow landslides based on micro-electro-mechanical system is developed. The target failure mode is shallow slope that failure surface occur in unsaturated zone and trigger by rainfall infiltration. Monitoring module provided wireless communication and real-rime sensing of shallow slope respond including volumetric water content profile and ground tilt angle to form distributed wireless sensing network. Combined with WCDMA(3G) technique, sensing module synchronized to remote server by connection to global network. Fully automated system and long-term monitoring can be achieve through solar energy. Monitoring results show that change of water content fit rainfall event and can be utilized to estimate in-situ hydraulic conductivity.

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