Changes

* 指南：[http://www.samsamwater.com/library/Sand_dam_manual_FINAL.pdf A practical guide to sand dam implementation沙坝实施实用指南]。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埃塞俄比亚沙坝指南]：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洪水泛滥前：在气候变化下应对洪水]. 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沙坝：在干旱及半干旱土地上可行的雨水收集技术]. 实际行动。* 文档：[http://wescoord.or.ke/documents/SandDams/FAQsonSandDams.doc FAQs on Sand Dams沙坝常见问题解答]. 由卓越/非洲沙坝基金会（Excellent/ASDF）提供，由达班信托贡献（Dabane Trust）。