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Submarine groundwater discharge (SGD) is defined as all direct discharge of subsurface fluids in to coastal zone. Components of SGD consist of fresh submarine groundwater discharge and the recirculated saline seawater discharge. SGD could be a part of nutrients sources, other dissolved species to co...
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id-itb.:186192017-09-27T14:33:18Z#TITLE_ALTERNATIVE# BAKTI (NIM : 22709001) ; (Pembimbing : Prof. Dr.Ir Sudarto, Notosiswwoyo,M.Emg ;Prof.Dr. Robe, HENDRA Indonesia Theses INSTITUT TEKNOLOGI BANDUNG https://digilib.itb.ac.id/gdl/view/18619 Submarine groundwater discharge (SGD) is defined as all direct discharge of subsurface fluids in to coastal zone. Components of SGD consist of fresh submarine groundwater discharge and the recirculated saline seawater discharge. SGD could be a part of nutrients sources, other dissolved species to coastal water and marine ecosystems. Investigated submarine groundwater discharge done at Pantai Karnaval, Ancol, Jakarta focussed on unconfined groundwater system. The litological at the location is consist of quarternary sediment such as sand, tuffaceuos clay, tuffaceous sand, sandy clay and clay. The method of quantified <br /> <br /> <br /> <br /> <br /> used automatic seepage meter for measured of SGD flux and installed conductivity temperature depth for measured water conductivity. The average flux SGD was 0,21 ml/mnt/m2 on March 20-31, 2009 which consist of 19,05% fresh water and 80,95% resirculated seawater. On April 1-23, 2009, the average flux SGD was 0,81 ml/mnt/m2 which consist of 16,04% fresh water and 83,96% <br /> <br /> <br /> <br /> <br /> resirculated seawater. SGD component more dominated by sea water than fresh water. The average conductivity SGD at 52,21 ms/cm to 55,68 ms/cm on March 20, 2009 until July 9, 2009. The average flux SGD on April 25, 2010 to August 5, 2010 was 0,11 ml/mnt/m2 to 253,26 ml/mnt/m2 and average tide on that site was less than 1 meter. SGD flux fluctuated opposite with the tide. When sea level rise, the SGD flux decrease and it will opposite when sea level tide drop. The variation of fresh water SGD flux tend to followed precipitation trend. When the <br /> <br /> <br /> <br /> <br /> precipitation increase, the fresh water SGD flux relatively increase too. As a result, submarine groundwater discharge at Jakarta coastal area was defined and can be measured quantifically. text |
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Submarine groundwater discharge (SGD) is defined as all direct discharge of subsurface fluids in to coastal zone. Components of SGD consist of fresh submarine groundwater discharge and the recirculated saline seawater discharge. SGD could be a part of nutrients sources, other dissolved species to coastal water and marine ecosystems. Investigated submarine groundwater discharge done at Pantai Karnaval, Ancol, Jakarta focussed on unconfined groundwater system. The litological at the location is consist of quarternary sediment such as sand, tuffaceuos clay, tuffaceous sand, sandy clay and clay. The method of quantified <br />
<br />
<br />
<br />
<br />
used automatic seepage meter for measured of SGD flux and installed conductivity temperature depth for measured water conductivity. The average flux SGD was 0,21 ml/mnt/m2 on March 20-31, 2009 which consist of 19,05% fresh water and 80,95% resirculated seawater. On April 1-23, 2009, the average flux SGD was 0,81 ml/mnt/m2 which consist of 16,04% fresh water and 83,96% <br />
<br />
<br />
<br />
<br />
resirculated seawater. SGD component more dominated by sea water than fresh water. The average conductivity SGD at 52,21 ms/cm to 55,68 ms/cm on March 20, 2009 until July 9, 2009. The average flux SGD on April 25, 2010 to August 5, 2010 was 0,11 ml/mnt/m2 to 253,26 ml/mnt/m2 and average tide on that site was less than 1 meter. SGD flux fluctuated opposite with the tide. When sea level rise, the SGD flux decrease and it will opposite when sea level tide drop. The variation of fresh water SGD flux tend to followed precipitation trend. When the <br />
<br />
<br />
<br />
<br />
precipitation increase, the fresh water SGD flux relatively increase too. As a result, submarine groundwater discharge at Jakarta coastal area was defined and can be measured quantifically. |
format |
Theses |
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BAKTI (NIM : 22709001) ; (Pembimbing : Prof. Dr.Ir Sudarto, Notosiswwoyo,M.Emg ;Prof.Dr. Robe, HENDRA |
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BAKTI (NIM : 22709001) ; (Pembimbing : Prof. Dr.Ir Sudarto, Notosiswwoyo,M.Emg ;Prof.Dr. Robe, HENDRA #TITLE_ALTERNATIVE# |
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BAKTI (NIM : 22709001) ; (Pembimbing : Prof. Dr.Ir Sudarto, Notosiswwoyo,M.Emg ;Prof.Dr. Robe, HENDRA |
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BAKTI (NIM : 22709001) ; (Pembimbing : Prof. Dr.Ir Sudarto, Notosiswwoyo,M.Emg ;Prof.Dr. Robe, HENDRA |
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https://digilib.itb.ac.id/gdl/view/18619 |
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