Changes

* 指南：[http://www.samsamwater.com/library/Sand_dam_manual_FINAL.pdf A practical guide to sand dam implementation]. Rainwater Harvesting Implementation Network (RAIN).。雨水收集实施组织（RAIN）。* 指南：[http://www.samsamwater.com/library/Manual_on_SAND_DAMS_in_Ethiopia.pdf Manual on sand dams in Ethiopia]: A practical approach on sand dam site selection, design and construction. A tool for combining sand dams with other rainwater harvesting structures. ERHA (Ethiopian Rainwater Harvesting Association) and RAIN Foundation.：沙坝选址、设计与建造的实用方法。结合沙坝与其它雨水收集建筑物的工具。埃塞俄比亚雨水收集协会（ERHA）与 RAIN基金会。* 指南：[http://www.internationalrivers.org/resources/before-the-deluge-coping-with-floods-in-a-changing-climate-3987 Before the Deluge: Coping with Floods in a Changing Climate]. How to adapt to floods caused by climate change. International Rivers Network.如何应对气候变化造成的洪水。国际河流组织。* 指南：[http://practicalaction.org/docs/technical_information_service/sand_dams.pdf Sand Dams: Feasible Rainwater Harvesting Technology for Arid and Semi-arid Lands]. Practical action.实际行动。* DOC: 文档：[http://wescoord.or.ke/documents/SandDams/FAQsonSandDams.doc FAQs on Sand Dams]. Provided by Excellent由卓越/非洲沙坝基金会（Excellent/ASDF with input from Dabane Trust.ASDF）提供，由达班信托注资（Dabane Trust）。