Difference between revisions of "GENERAL DEFINITION OF THE TECHNIQUE DIVERSION SYSTEMS ON A LARGE SCALE AND USE OF FLOODS"

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       <td><font style="font-weight: bold; text-decoration: none; font-size: 24px; padding: 10px;">GENERAL DEFINITION OF THE TECHNIQUE</font></td>
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                <font style="font-size: 16px;">Technique:</font><font style="font-size: 22px; font-weight: bold;">DIVERSION SYSTEMS ON A LARGE SCALE AND USE OF FLOODS</font>
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<td style="padding-left:10px;"><font style="font-size: 20px; padding-left:10px; font-weight: normal;">DIVERSION SYSTEMS ON A LARGE SCALE AND USE OF FLOODS</font></td>
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            <h1>DEFINITION CHARACTERS DESCRIPTION AND DIFFUSION</h1><p>These&nbsp;<span style="font-size: 13px; line-height: 1.6em;">structures are designed to divert flood flows partially through a channel other than the main course of the wadis in order to benefit additional areas from the detention site through dispersion of floodwater. This technology is found in the very ancient human settlements in the Middle East and West Asia.&nbsp;</span></p>
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  <h2>TK Links</h2>
  <h1 style="margin-top: 50px;">GENERAL CHARACTERS DESCRIPTION AND DIFFUSION</h1><p><span style="font-size: 13px; line-height: 1.6em;">Diversion structures may be led to large individual community ponds or dams for longer-term storage, a practice that is common throughout the drylands of sub-Saharan Africa.&nbsp;</span><span style="font-size: 13px; line-height: 1.6em;">Some extraordinary devices found mostly in the arid regions of the Beluchistan, called&nbsp;</span><em style="font-size: 13px; line-height: 1.6em;">gabarband</em><span style="font-size: 13px; line-height: 1.6em;">, are older than the civilisation of Harappa in eastern Pakistan. The gabarband are stone structures over one metre in length similar to dams. The latter are made of a series of about 60-120 centimetre-high platforms overlapping each other in steps up to the top. In the past, the gabarband were probably used for controlling the floods and alluvium coming down the hills. In fact, they are diversion dams similar to those still in use in the Hadramaut Valley in Yemen.</span></p>
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              <h2 style="margin-top: 50px;">Definition characters description and diffusion</h2>
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              <p style="text-align: justify;">These&nbsp;<span style="font-size: 13px; line-height: 1.6em;">structures are designed to divert flood flows partially through a channel other than the main course of the wadis in order to benefit additional areas from the detention site through dispersion of floodwater. This technology is found in the very ancient human settlements in the Middle East and West Asia.&nbsp;</span></p>
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              <h2 style="margin-top: 50px;">General characters description and diffusion</h2>
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              <p style="text-align: justify;"><span style="font-size: 13px; line-height: 1.6em;">Diversion structures may be led to large individual community ponds or dams for longer-term storage, a practice that is common throughout the drylands of sub-Saharan Africa.&nbsp;</span><span style="font-size: 13px; line-height: 1.6em;">Some extraordinary devices found mostly in the arid regions of the Beluchistan, called&nbsp;</span><em style="font-size: 13px; line-height: 1.6em;">gabarband</em><span style="font-size: 13px; line-height: 1.6em;">, are older than the civilisation of Harappa in eastern Pakistan. The gabarband are stone structures over one metre in length similar to dams. The latter are made of a series of about 60-120 centimetre-high platforms overlapping each other in steps up to the top. In the past, the gabarband were probably used for controlling the floods and alluvium coming down the hills. In fact, they are diversion dams similar to those still in use in the Hadramaut Valley in Yemen.</span></p>
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              <h2 style="margin-top: 50px;">Advantages and sustainability</h2>
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              <p style="text-align: justify;">These methods allow for the dispersion and therefore control of flood waters as well as for more long-term storage methods for water.&nbsp;</p>
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           <td align="center" valign="top"><h3>TRADITIONAL TECHNIQUE DATA</h3>
 
           <td align="center" valign="top"><h3>TRADITIONAL TECHNIQUE DATA</h3>
 
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               <td style="background-color: #f9f9f9;" align="center"><img src="http://web.tkwb.org/tkwb/public/definitionTechniqueImage?fileName=C1.jpg" style="padding: 10px; height: 120px;" /></td>
 
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               <td style="background-color: #f9f9f9;"><a href="index.php?title=C_Water_management">C - Water management</a></td>
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               <td><a href="index.php?title=DIVERSION_SYSTEMS_ON_A_LARGE_SCALE_AND_USE_OF_FLOODS_LOCAL_APPLICATION_OF_THE_TECHNIQUE"><div style="height: 30px; width: 30px; border: 1px solid #000000; background-color: #FAE7B4; float: left; margin-right: 5px;">
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               <td><a href="http://www.tkwb.org/w/index.php?title=DIVERSION_SYSTEMS_ON_A_LARGE_SCALE_AND_USE_OF_FLOODS_LOCAL_APPLICATION_OF_THE_TECHNIQUE"><div style="height: 30px; width: 30px; border: 1px solid #000000; background-color: #FAE7B4; float: left; margin-right: 5px;">
  
               </div></a><a href="index.php?title=DIVERSION_SYSTEMS_ON_A_LARGE_SCALE_AND_USE_OF_FLOODS_LOCAL_APPLICATION_OF_THE_TECHNIQUE">Local applications of the technique</a></td>
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               </div></a><a href="http://www.tkwb.org/w/index.php?title=DIVERSION_SYSTEMS_ON_A_LARGE_SCALE_AND_USE_OF_FLOODS_LOCAL_APPLICATION_OF_THE_TECHNIQUE">Local applications of the technique</a></td>
 
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               <td><a href="index.php?title=DIVERSION_SYSTEMS_ON_A_LARGE_SCALE_AND_USE_OF_FLOODS_SUCCESS_STORY"><div style="height: 30px; width: 30px; border: 1px solid #000000; background-color:  #D9D3EB; float: left; margin-right: 5px;">
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               <td><a href="http://www.tkwb.org/w/index.php?title=DIVERSION_SYSTEMS_ON_A_LARGE_SCALE_AND_USE_OF_FLOODS_SUCCESS_STORY"><div style="height: 30px; width: 30px; border: 1px solid #000000; background-color:  #D9D3EB; float: left; margin-right: 5px;">
  
               </div></a><a href="index.php?title=DIVERSION_SYSTEMS_ON_A_LARGE_SCALE_AND_USE_OF_FLOODS_SUCCESS_STORY">Success stories</a></td>
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               </div></a><a href="http://www.tkwb.org/w/index.php?title=DIVERSION_SYSTEMS_ON_A_LARGE_SCALE_AND_USE_OF_FLOODS_SUCCESS_STORY">Success stories</a></td>
 
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               <td><a href="index.php?title=DIVERSION_SYSTEMS_ON_A_LARGE_SCALE_AND_USE_OF_FLOODS_INNOVATIVE_TECHNOLOGIES_AND_SOLUTIONS"><div style="height: 30px; width: 30px; border: 1px solid #000000; background-color:  #F7DCE5; float: left; margin-right: 5px;">
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               <td><a href="http://www.tkwb.org/w/index.php?title=DIVERSION_SYSTEMS_ON_A_LARGE_SCALE_AND_USE_OF_FLOODS_INNOVATIVE_TECHNOLOGIES_AND_SOLUTIONS"><div style="height: 30px; width: 30px; border: 1px solid #000000; background-color:  #F7DCE5; float: left; margin-right: 5px;">
  
               </div></a><a href="index.php?title=DIVERSION_SYSTEMS_ON_A_LARGE_SCALE_AND_USE_OF_FLOODS_INNOVATIVE_TECHNOLOGIES_AND_SOLUTIONS">Innovative technologies and solutions</a></td>
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               </div></a><a href="http://www.tkwb.org/w/index.php?title=DIVERSION_SYSTEMS_ON_A_LARGE_SCALE_AND_USE_OF_FLOODS_INNOVATIVE_TECHNOLOGIES_AND_SOLUTIONS">Innovative technologies and solutions</a></td>
 
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              <tr><td>IPOGEA, www.ipogea.org</td></tr>
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              <td>IPOGEA, www.ipogea.org</td>
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          <td colspan="2" align="center"><span style="cursor: pointer; padding-right: 20px;">Deepening</span><span style="cursor: pointer;">Download PDF</span></td>
 
 
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Latest revision as of 20:48, 16 June 2015

GENERAL DEFINITION OF THE TECHNIQUE
Technique: DIVERSION SYSTEMS ON A LARGE SCALE AND USE OF FLOODS

Definition characters description and diffusion

These structures are designed to divert flood flows partially through a channel other than the main course of the wadis in order to benefit additional areas from the detention site through dispersion of floodwater. This technology is found in the very ancient human settlements in the Middle East and West Asia. 

General characters description and diffusion

Diversion structures may be led to large individual community ponds or dams for longer-term storage, a practice that is common throughout the drylands of sub-Saharan Africa. Some extraordinary devices found mostly in the arid regions of the Beluchistan, called gabarband, are older than the civilisation of Harappa in eastern Pakistan. The gabarband are stone structures over one metre in length similar to dams. The latter are made of a series of about 60-120 centimetre-high platforms overlapping each other in steps up to the top. In the past, the gabarband were probably used for controlling the floods and alluvium coming down the hills. In fact, they are diversion dams similar to those still in use in the Hadramaut Valley in Yemen.

Advantages and sustainability

These methods allow for the dispersion and therefore control of flood waters as well as for more long-term storage methods for water. 

Images

Deepening

TRADITIONAL TECHNIQUE DATA

Technique
DIVERSION SYSTEMS ON A LARGE SCALE AND USE OF FLOODS
Icon
Cathegory
C - Water management
Identification code
C1
Local applications of the technique
Success stories
Innovative technologies and solutions

RELATED TECHNIQUES

Author:
IPOGEA, www.ipogea.org
Other authors:
Reference:

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