scholarly journals Impact of sea level rise on current and wave in Van Uc coastal area

2019 ◽  
Vol 19 (3) ◽  
pp. 313-325
Author(s):  
Nguyen Minh Hai ◽  
Vu Duy Vinh ◽  
Tran Dinh Lan
Keyword(s):  
Climate Change ◽  
Sea Level Rise ◽  
Sea Level ◽  
Wave Height ◽  
Coastal Area ◽  
Rainy Season ◽  
Dry Season ◽  
Navigation Channel ◽  
Current Scenario ◽  
Outer Area

This paper presents the results of analysis, comparison of some characteristics of current, wave at Van Uc estuary area when being affected by sea level rise due to climate change based on Delft3D model. Scenario groups are established: The current scenario and the scenarios simulating effect of sea level rise 0.5 m and 1.0 m. The results of calculation and simulation show that the velocity values change locally when sea level rises: Rise in the northern and southern areas (0.2–5 cm/s); decrease in the navigation channel (0.6–30 cm/s). Sea level rise causes the increase of wave height in the coastal area (13.5–43.8% in the dry season and 20–40% in the rainy season) and fewer changes in the outer area.

scholarly journals Coastal Migration Index for Coastal Flooding Events Increased by Sea Level Rise due to Climate Change: Mexico and Cuba Case Studies

Water ◽  
2021 ◽  
Vol 13 (21) ◽  
pp. 3090
Author(s):  
Sergio B. Jiménez-Hernández ◽  
Ofelia Pérez Montero ◽  
Eustorgio Meza ◽  
Yunior R. Velázquez ◽  
Juan R. Castellanos ◽  
...  
Keyword(s):  
Climate Change ◽  
Sea Level Rise ◽  
Sea Level ◽  
Coastal Flooding ◽  
Human Settlements ◽  
Risk Levels ◽  
Migration Index ◽  
Management Actions ◽  
Current Scenario ◽  
New Policies

This paper presents a coastal migration index (CMI) useful for decision-making in the current scenario of sea-level rise (SLR) due to climate change. The CMI includes coastal human population density, degree of urbanization, and coastal-flooding penetration. Quantitative and qualitative statistical techniques and the geographic information system ArcGIS View 9.0 were used. Further, a panel of fifteen international experts in coastal management issues was consulted to establish and validate the CMI. Results led to three index components based on 22 indicators. CMI was applied in the state of Tamaulipas, Mexico and in Santiago de Cuba province, Cuba. According to CMI estimates, the risk levels associated with SLR for human settlements analyzed in Mexico and Cuba were 5.3% and 11.0%, respectively. The most severely affected communities will require resettlement. Meanwhile, the CMI determined that 15.8% of the Mexican territory studied will be able to withstand the effects of SLR through the management of engineering works that will protect human settlements. The CMI determined that 79.0%, in the case of Tamaulipas, as well as 89.0% of the Cuban territory, will not require new policies or guidelines to promote conservation and protection of coastal natural resources. Lastly, the method used allowed for creation of a CMI stoplight map useful to coastal decision-makers to adopt sound management actions.

scholarly journals COASTAL VULNERABILITY PREDICTION TO CLIMATE CHANGE: STUDY CASE IN CIREBON COASTAL LAND

2011 ◽  
Vol 3 (1) ◽  
Author(s):  
Ricky Rositasari ◽  
Wahyu B. Setiawan ◽  
Indarto H. Supriadi ◽  
Hasanuddin Hasanuddin ◽  
Bayu Prayuda
Keyword(s):  
Climate Change ◽  
Sea Level Rise ◽  
Sea Level ◽  
Coastal Area ◽  
Sea Water ◽  
Salt Ponds ◽  
Land Uses ◽  
Coastal Vulnerability ◽  
Study Case ◽  
Coastal Land

Coastal area is the most vulnerable area to climate change. Cirebon coastal land in Western Java, Indonesia is low-lying coastal area which is one of the potential areal for fish culture and farming. There are also major transportation facilities for western Java province to the whole area in the island (Java) through this area. As low-lying landscape, populated and developing city, Cirebon should be considered vulnerable to future sea level rise. Geomorphology, geo-electric and remote sensing study were conducted during 2008 and 2009 in coastal land of Cirebon. The result showed that most part of coastal area in Cirebon was eroded in various scales which vulnerable turn to worst. Sea water was penetrating throughout several kilometres inland. Valuation on various land-uses would project 1,295,071,755,150 rupiah/ha/year of loss while sea level were rose 0.8 meters that would inundate various land-uses i.e., Shrimp, fish and salt ponds, rice fields and settlement in the area.Keywords: vulnerability, coastal, climate change, sea level rise

scholarly journals COASTAL VULNERABILITY PREDICTION TO CLIMATE CHANGE: STUDY CASE IN CIREBON COASTAL LAND

2011 ◽  
Vol 3 (1) ◽  
Author(s):  
Ricky Rositasari ◽  
Wahyu B. Setiawan ◽  
Indarto H. Supriadi ◽  
Hasanuddin Hasanuddin ◽  
Bayu Prayuda
Keyword(s):  
Climate Change ◽  
Sea Level Rise ◽  
Sea Level ◽  
Coastal Area ◽  
Sea Water ◽  
Salt Ponds ◽  
Land Uses ◽  
Coastal Vulnerability ◽  
Study Case ◽  
Coastal Land

<p>Coastal area is the most vulnerable area to climate change. Cirebon coastal land in Western Java, Indonesia is low-lying coastal area which is one of the potential areal for fish culture and farming. There are also major transportation facilities for western Java province to the whole area in the island (Java) through this area. As low-lying landscape, populated and developing city, Cirebon should be considered vulnerable to future sea level rise. Geomorphology, geo-electric and remote sensing study were conducted during 2008 and 2009 in coastal land of Cirebon. The result showed that most part of coastal area in Cirebon was eroded in various scales which vulnerable turn to worst. Sea water was penetrating throughout several kilometres inland. Valuation on various land-uses would project 1,295,071,755,150 rupiah/ha/year of loss while sea level were rose 0.8 meters that would inundate various land-uses i.e., Shrimp, fish and salt ponds, rice fields and settlement in the area.</p><p>Keywords: vulnerability, coastal, climate change, sea level rise</p>

Numerical Simulation for Coastal Area Inundation and its Application 

2021 ◽  
Author(s):  
Kwang Ik Son ◽  
Woochang Jeong ◽  
Seboong Oh
Keyword(s):  
Climate Change ◽  
Numerical Simulation ◽  
Sea Level Rise ◽  
Sea Level ◽  
Coastal Area ◽  
Small Scale ◽  
Disaster Prevention ◽  
Prevention Measures ◽  
Volume Method ◽  
Technology Institute

&lt;p&gt;Many extreme sea level rise events, such as tsunami and surges, caused by abnormal climate change results sea level rise to frequent and serious flooding at coastal basins. The Typhoon Mamie resulted 200M US dollars property damage, 3 thousand family refugees, and 14 victims at Changwon city in 2003.&amp;#160; Furthermore, it is expected that the extreme sea level rise events due to abnormal climate change might be getting frequent and serious as times go by.&lt;/p&gt;&lt;p&gt;In this study, a numerical simulation and analysis of flood inundation in a small-scale coastal area had been carried out. The applied numerical model adopts two-D finite volume method with a well-balanced HLLC(Harten&amp;#8211;Lax&amp;#8211;Van Leer contact) scheme. The calibration was performed with comparison between simulation results and real inundated records of Changwon city during the typhoon &amp;#8220;Maemi&amp;#8221; in September 2003.&lt;/p&gt;&lt;p&gt;The model was developed to provide overflow simulation capability of parapet wall along coastal line as boundary conditions. Inundation scenarios were simulated with various parapet wall heights and analyzed the efficiency of disaster prevention measures from inundation due to sea level rise.&lt;/p&gt;&lt;p&gt;Numerical inundation simulation study showed efficiency of parapet walls along coastal line as one of the structural measures. It was found that the inundation volume could be reduced with respect to non-parapet wall by providing parapet wall along coastal line. In addition, the economic analysis between damages due to inundation and construction cost for parapet wall was performed for optimal disaster prevention design.&lt;/p&gt;&lt;p&gt;Acknowledgement: This work was supported by Korea Environment Industry &amp; Technology Institute(KEITI) though Water Management Research Program, funded by Korea Ministry of Environment(MOE)(79608). and Korean NRF (2019R1A2C1003604)&lt;/p&gt;

scholarly journals Assessment of Prevention Performance Target Rainfall in Coastal Cities with Sea Level Rise

2021 ◽  
Vol 21 (6) ◽  
pp. 303-311
Author(s):  
Dong Jun Kim ◽  
Kyung Min Choi ◽  
Yang Ho Song ◽  
Jung Ho Lee
Keyword(s):  
Climate Change ◽  
Sea Level Rise ◽  
Sea Level ◽  
Coastal Area ◽  
Disaster Prevention ◽  
Design Standards ◽  
Research Areas ◽  
Coastal Cities ◽  
Increased Risk ◽  
Performance Target

The rise in average sea level due to climate change aggravates the vulnerability of coastal areas, increasing the likelihood of flooding due to erosion of outfall to the coast and rivers. Therefore, the design standards of defense facilities should be strengthened to address such increased risk of flooding. Accordingly, in this study, a plan to adjust the disaster prevention performance target rainfall for two research areas was selected in consideration of the regional characteristics of the coastal area and the average sea level rise predicted for 2050, and the disaster prevention performance target rainfall increased from at least 89% to up to 169%. Based on these results, it is believed that this study can serve as a basis for improving data on rainfall targets for disaster prevention performance with consideration of future sea level rise in coastal cities.

scholarly journals ÁP DỤNG MÔ HÌNH SWAN DỰ BÁO TRƯỜNG SÓNG VEN BỜ BIỂN HẢI PHÒNG

2019 ◽  
Vol 19 (1) ◽  
pp. 41-48
Author(s):  
Le Duc Cuong
Keyword(s):  
Wave Field ◽  
Wave Height ◽  
Coastal Area ◽  
Rainy Season ◽  
Dry Season ◽  
Maximum Height ◽  
Wave Direction ◽  
Swan Model ◽  
Dominant Wave ◽  
Near Shore

This paper presents some results of studying the SWAN model, and application of SWAN model to simulate wave field representative of the rainy season and dry season in the coastal area of Hai Phong. During the dry season, the dominant wave direction is in a range from 60o to 100o, maximum height of waves near shore is in a range from 1,0 m to 1,5 m with wavelength of about 2,0 m to 5,0 m, maximum height of waves offshore is in a range from 2,0 m to 2,5 m with wavelength of about 6,0 m to 16 m. During the rainy season, wave height near shore is in a range from 0,2 m to 0,6 m, and that offshore is in a range from 0,8 m to 1,4 m, maximum height of waves is about 3,4 m, predominant wave directions in this season are E, SE and S. In this scenario that predicts waves generated by storms, wave height offshore is in a range from 8,0 m to 10 m with wavelength of about 60 m, and that near shore is in a range from 2,0 m to 4,0 m with wavelength of about 10–20 m.

scholarly journals TIME-DEPENDENT PERFORMANCE-BASED DESIGN OF CAISSON BREAKWATER CONSIDERING CLIMATE CHANGE IMPACTS

2012 ◽  
Vol 1 (33) ◽  
pp. 26 ◽  
Author(s):  
Seung-Woo Kim ◽  
Kyung-Duck Suh
Keyword(s):  
Climate Change ◽  
Sea Level Rise ◽  
Sea Level ◽  
Wave Height ◽  
Climate Change Impacts ◽  
Time Dependent ◽  
Height Increase ◽  
The Stability ◽  
Caisson Breakwater ◽  
Water Depths

A time-dependent performance-based analysis was conducted to analyze the influences of sea-level rise and wave-height increase due to climate change on caisson sliding of the breakwaters designed in different water depths. We used the Goda’s spectral method to overcome the time-consuming problem in the calculation of the wave height at the breakwater site. In general, severe caisson sliding occurred when considering the climate change impacts. However, the influence of sea-level rise on the stability of caisson sliding is insignificant compared with that of wave-height increase. Especially, since the characteristics of caisson sliding are different depending on water depths, we have to establish countermeasure against these features for the design and maintenance of a caisson breakwater.

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