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Difference between revisions of "Portal:Water"

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{{Portal:Water/box-header‎|<big>The Water Portal</big>|Portal:Water/Intro|}}
'''<big>Welcome to Appropedia's Portal page for Water</big>'''
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== Topics ==
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'''Guides and topic articles'''
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[[Choosing water supply and purification methods]]
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[[Rainwater management]]
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[[Reducing runoff]]
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'''Technologies'''
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[[Hydraulic ram pumps]]
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'''Case studies'''
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'''Projects'''
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[[CCAT yurt rainwater catchment]]
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[[Underground rainwater storage facilities]]
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<categorytree>Water</categorytree>
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==Organization and users==
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Here are some organizations involved in water:
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* [[International Rivers Network]]
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* [[American Rivers]]
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* [[Akvo]]
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Also see the category of [[:Category:Users interested in water and sanitation|users interested in water and sanitation]].
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== Interwiki links ==
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* [[Akvopedia:|Akvopedia]] - focused on water technologies.
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* [http://waterwiki.net/ WaterWiki.net] - a UN sponsored wiki - most of the content indexes the work of UN agencies.
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== Sites ==
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{{Portal:Water/box-header|'''Navbox'''|Template:Water navbox|}}
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* OpenCourseWare resources can be found through the [http://ocwfinder.com/ OpenCourseWare Finder] - e.g.:
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{{Portal:Water/box-header|Things you can do|Portal:Water/Things you can do|}}
:* [http://ocw.tudelft.nl/courses/watermanagement/ Watermanagement] from Delft University of Technology, The Netherlands. (English language.) ([[CC-BY-NC-SA]])
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{{Portal:Water/Things you can do}}
:* [http://ocw.jhsph.edu/courses/watersanitation/ Water Sanitation Needs in Complex Humanitarian Emergencies] from the Johns Hopkins OpenCourseWare (OCW) project. Lectures by Leslie Roberts, in MP3 (audio) format. ([[CC-BY-NC-SA]])
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:* Other courses from the [http://ocw.jhsph.edu/ Johns Hopkins OpenCourseWare (OCW) project] deal with water and public health, e.g. [http://ocw.jhsph.edu/courses/TropicalEnvironmentalHealth/ Tropical Environmental Health].  ([[CC-BY-NC-SA]])
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:*[http://ocw.mit.edu/OcwWeb/Civil-and-Environmental-Engineering/1-85Spring-2006/CourseHome/index.htm Water and Wastewater Treatment Engineering] from MIT, ([[CC-BY-NC-SA]])
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:*[http://www.sswm.info/home/ Sustainable Sanitation and Water Management] an integrative tool for capacity development on the local level
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==See also==
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{{Portal:Water/box-header|'''External resources'''|Portal:Water/External|}}
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* [[Portal:Portals|List of portals]]
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Revision as of 19:23, 17 July 2011

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The Water Portal

Estuaries and coastal waters are among the most productive ecosystems on Earth.
Water is vital for all known forms of life. Covering 71% of the Earth's surface, it is found mostly in oceans and other large water bodies. 1.6% of the total mass of the Earth's water is below ground in aquifers and 0.001% is in the air as vapor, clouds, and precipitation (rain, snow and sleet).

The Earth's water moves constantly through a cycle of evaporation and transpiration (evapotranspiration), precipitation, and runoff, usually reaching the sea. Over land, evaporation and transpiration contribute to the precipitation over land - thus deforestation and other changes to land can have wide and long-lasting effects through their impact on the water cycle.

Some observers estimate that by 2025 more than half of the world population will be vulnerable to a lack of water. Appropriate water supply and water purification technologies can help.

Related portal: Greywater
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Selected page

Foundation of the underground tank (copyleft Practical Action/Douglas Gumbo)
Underground rainwater storage facilities. Rainwater storage tanks are more important in semi arid areas than any other areas because they are useful in storing limited water supplies for agricultural purposes. In semiarid regions, where precipitation is low or infrequent during the dry season, it is necessary to store the maximum amount of rainwater during the wet season for use at a later time, especially for agricultural supply. One of the methods frequently used is the underground

storage tanks. The in situ technology consists of making storage available in areas where the water is going to be utilised. All rainfall-harvesting systems have three components: a collection area, a conveyance system, and a storage area. In this application, collection and storage is provided within the landscape.

Consider five main factors when designing your underground tank.

  1. Seepage
  2. Evaporation
  3. Length of the dry spell
  4. Daily usage
  5. Construction costs
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Selected topics

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Navbox

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Things you can do

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External resources

Interwiki links
  • Akvopedia - focused on water technologies.
  • WaterWiki.net - a UN sponsored wiki - most of the content indexes the work of UN agencies.
Sites
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Portals

Appropriate technology · Built environment · Business · Construction and materials · Culture and community · Design · Energy · Energy storage · Engineering for Sustainable Development · Food and agriculture · Government supported development programs · Governments and sustainability · Green living · Greywater · Health and safety · Heat exchangers · Hybrid power systems · ICT and Education · Information technology · Learning · Medical Devices · Net Impact · Permaculture · Photovoltaics · Projects · Rainwater harvesting · Renewable energy · Service learning · Solar · Solar thermal · Sustainability · Sustainable business · Sustainable city living · Sustainable energy storage · Sustainable farm energy alternatives · Transport · Water Agricultural

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