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攔沙壩（防砂壩）

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[[Image:check dams (gully plugs) icon.png|right|80px]]

[[Image:check dam india.jpg|thumb|right|200px|雨水保存之攔沙壩。 NMDC Diamond Mine, Panna, Madhya Pradesh. 照片來源：[http://www.retailforsuregreenfieldeco.com/www/photogallery.php Greenfield Eco Solutions Pvt. Ltd.]]]

攔沙壩是種小型、暫時或永久性的壩，建設橫越排水溝渠、渠道、低窪地或水道，目的為減緩一定程度範圍內的暴雨含砂水流速度。與其將攔沙壩歸類為一種逕流收集技術，說它是洪水的一種似乎更為貼切。建造攔沙壩可使用木材、石頭、砂礫石填充沙袋，或磚塊及水泥。攔沙壩在肯亞及印度運用十分廣泛。這些攔沙壩亦能作為漏水壩。建築在河床內且沒有粗砂運輸（沙壩）之壩，最終可能將成為攔沙壩。攔沙壩與其他水利結構相較之下較為便宜，且可維持約二至五年。

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! width="50%" style="background:#efefef;" | 優點

'''加強WASH(水、公共衛生及衛生保健)系統的適應性''': 抗旱災＆快速生長的作物；使農民生活多元化。

關於治理乾旱的更多內容: [[Resilient WASH systems in drought-prone areas | 易旱地區具有適應力的WASH系統]].

====洪水====

===實地經驗===

在衣索比亞，不明確的土地保有權使得溝渠內的種植活動逐漸被放棄。閱讀：Falkenmark, M.; Fox, P.; Persson, G.; Rockström, J. (2001) [http://www.siwisswm.orginfo/documentssites/Resourcesdefault/Reportsfiles/Report11_Water_Harvesting_for_Upgrading_Rainfed_Agriculture_2001reference_attachments/FALKENMARK%20et%20al%202001%20Water%20Harvesting%20for%20Upgrading%20of%20Rainfed%20Agriculture.pdf 為提升雨水灌溉農業之集水活動。分析問題及調查需要。]. Stockholm International Water Institute.

===指南、影片及連結===

===感謝===

* CARE Nederland, Desk Study: [[Resilient WASH systems in drought-prone areas | Resilient WASH系統在易乾旱區域的適應強力]]. October 2010.

* Rufino, L., [http://www.saiplatform.org/uploads/Library/Technical%20Brief%202%20%20Rainwater%20harvesting%20%20artificial%20recharge%20to%20groundwater.pdf 水資源保護技術簡報：TB 2－收集雨水及人工回灌補給地下水。]. 永續農業方案(SAI). August 2009.

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