{"id":7883,"date":"2018-01-19T15:47:35","date_gmt":"2018-01-19T14:47:35","guid":{"rendered":"http:\/\/www.theoillamp.co.uk\/?p=7883"},"modified":"2018-01-19T15:50:37","modified_gmt":"2018-01-19T14:50:37","slug":"one-thing-learnt-week-hydropower-dubai","status":"publish","type":"post","link":"https:\/\/www.theoillamp.co.uk\/?p=7883","title":{"rendered":"One thing we have learnt this week – hydropower in Dubai"},"content":{"rendered":"

\"640px-Hatta_Dam,_Dubai,_UAE\"<\/a>The last thing I think about when thinking about the middle east is hydropower in Dubai, or anywhere in this region for that matter.\u00a0 Dubai to me is large skyscrapers, lots of motorways with people driving large cars, shopping malls and tourists having picnics on sand dunes.\u00a0 Its not the first place in the world I would think about for hydropower.\u00a0 In fact its the last place.\u00a0 However this week I have learnt that there are two schemes mooted for a reservoir in Dubai.\u00a0 I must admit that I believed that most water in the middle east came from underground aquifers which are probably running out.\u00a0 But people need to drink and there is an existing reservoir on the island of Hatta.\u00a0 This is an unusual situation for the reservoir since its both an island and an exclave<\/a> in United Arab Emirates territory.\u00a0 Where the water goes at the moment is a bit of a mystery to me.\u00a0 However an existing reservoir exists fed by springs and rainwater.\u00a0 It does rain in the middle east deserts – just not very much<\/a>.\u00a0 There are other ways for water to gather and form springs though at night the temperature falls to near freezing point (an example of the greenhouse effect in operation).\u00a0 At this point the atmosphere cannot hold its previously saturated moisture and it precipitates on rocks sand etc.\u00a0 Its goes underground and forms aquifers and springs depending on the local topography.<\/p>\n

The middle east is joining the renewables revolution.\u00a0 The proposed hydropower\u00a0 in Dubai is to be linked with wind and solar power.\u00a0 It will be a pumped storage scheme is a proposed capacity of 400MWp.\u00a0 Solar power will be used to pump the water up the hill.\u00a0 The dam currently exists and will be converted to pumped storage from merely water storage.\u00a0 How this will affect the existing water use is unclear.\u00a0 Dams in the tropics are net contributors to global warming due to the release of methane from bacteria in the sediment at the bottom of the reservoir.\u00a0 Since this dam already exists this objection does not apply and and looks like a good idea to me.\u00a0 With mountains down the western side of Saudi there is obviously more potential for hydropower than you would think in this region.\u00a0 All the countries now have renewable programmes but are still very wedded to oil and gas.<\/p>\n

Neil<\/p>\n","protected":false},"excerpt":{"rendered":"

The last thing I think about when thinking about the middle east is hydropower in Dubai, or anywhere in this region for that matter.\u00a0 Dubai to me is large skyscrapers, lots of motorways with people driving large cars, shopping malls … Continue reading →<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"footnotes":""},"categories":[225,17],"tags":[196,61],"class_list":["post-7883","post","type-post","status-publish","format-standard","hentry","category-hydropower","category-one-thing-we-have-learnt-this-week","tag-hydropower","tag-renewable-energy"],"yoast_head":"\nOne thing we have learnt this week - hydropower in Dubai - The oil lamp - shining God's light on peak oil<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.theoillamp.co.uk\/?p=7883\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.theoillamp.co.uk\/?p=7883\",\"url\":\"https:\/\/www.theoillamp.co.uk\/?p=7883\",\"name\":\"One thing we have learnt this week - 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