Wave distribution and proposed seawall design around Tanjung Emas Port, Semarang

Wijayanti, Estu; Nurfaida, Wakhidatik; Sulaiman, Muhammad; Kurniawan, Adhy

doi:10.1051/e3sconf/202342902001

Cited by 3 publications

(1 citation statement)

References 12 publications

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“…Combining these references with quantitative flood hazard classification methods from previous relevant studies, the research provides an overall flood hazard analysis for Pekalongan City. Another study on the Northern Coast of Java utilized satellite image data to delineate flood extent over a large area [16]. However, within this study, flood hazard mapping was conducted using hydraulic models generated in HEC-RAS.…”

Section: Introductionmentioning

confidence: 99%

An overview of flood risk components: The Land subsidence case of Pekalongan City

Putri,

Syakira,

Nugroho

et al. 2024

E3S Web Conf.

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Pekalongan City is located on the northern coast of Java Island, where climate crises, floods, and tidal waves pose significant threats exacerbated by rising sea levels and land subsidence. This study aims to mitigate of flood future losses and emphasizes its potential as input for Indonesian regulators to enhance current flood hazard classifications. This study conducts a comprehensive flood risk analysis, emphasizing a detailed review of flood hazard classification quantitatively with flood hazard mapping. The results showed flood hazard mapping, comparing NDMA, MPW, and proposed classifications, indicates a tendency for MPW to overestimate hazards, particularly categorizing depths of 0.5 m and above as “High”. The flood depth according to MPW with land subsidence produces a flood inundation area of 14,145 Ha. This shows that land subsidence recorded in risk mapping can increase the overall hazard level. This study proposed flood depth and velocity classification, balancing NDMA’s underestimation and MPW’s overestimation, offering a more comprehensive approach.

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Section: Introductionmentioning

confidence: 99%

An overview of flood risk components: The Land subsidence case of Pekalongan City

Putri,

Syakira,

Nugroho

et al. 2024

E3S Web Conf.

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Extreme Coastal Flood Inundation Mapping Based on Sentinel 1 Using Google Earth Engine

Wijayanti,

Nurfaida,

Fadhilah Sabilal Haque

et al. 2023

E3S Web Conf.

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Coastal flooding frequently occurs along the Northern Coast of Java due to the continuous land subsidence and sea level rise. On May 23rd, 2022, an extreme tidal flood happened and impacted a wide area around the central part of the Northern Coast of Java, with reports indicating that the inundated area was larger than that of typical flood events. Although several researchers have conducted local inundation mapping in various districts, comprehensive flood mapping of this event over a larger area has not yet been undertaken. Such study would benefit for hydraulic flood models. Therefore, this study aimed to map the coastal flood extent around the central part of the Northern Coast of Java using Sentinel-1 imagery data processed through the Google Earth Engine (GEE). The delineated inundation at several points was then compared with field observations from a previous study. The analysis suggests that Sentinel-1 is generally capable of estimating flood extent, although additional measures are necessary for mapping in densely populated urban areas. The findings indicate that the area inundated by the May 2022 flood was at least 5,562 hectares larger compared to the flooding in April 2022.

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Floating Ports as Support for Port Relocation Measures on Sea Level Rise

Kurt

2024

Marine Science and Technology Bulletin

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Ports are one of the structures where the effects of global warming are most severe and intense in atmospheric, oceanic, and geographical terms. According to the Intergovernmental Panel on Climate Change (IPCC)'s assessment reports, although it is possible to slow down global warming by reducing greenhouse gas (GHG) emissions, it is not foreseen to stop global warming and sea level rise (SLR) in any scenario. The rising sea level, an inevitable consequence of global warming, is a clear threat to conventional port facilities. In summary, SLR triggered by climate change, which is today's hot topic, may cause conventional port infrastructures to be flooded and lose their functionality. To cope with this threat, port facility planning, and design stages must be carried out by referring to the updated threshold values in Shared Socioeconomic Pathway (SSP) scenarios defined by the Working Groups of the IPCC. However, the uncertainty about the scale, timing, and location of SLR makes definitive solution-oriented approaches more prominent. One of these approaches is floating port structures. This study aims to reveal the role of floating port structures in the implementation of the relocation measure emphasized in the IPCC Sixth Assessment Report (AR6) for conventional ports under the threat of SLR. Initially, in this study, regions with higher SLR risk were identified by considering SSP scenarios contributed by Sixth Phase of the Coupled Model Intercomparison Project (CMIP6) data. Afterwards, the dynamic downscaling model was used to determine the regions with higher regional sea level rise (RSLR) risk and the Marine Traffic database was used to determine the ports in these regions. Thus, it is evaluated whether floating ports can be a suitable alternative in the relocation decision of ports under SLR risk. It is expected that maritime transport will be maintained at adequate security and operational levels by revealing the pros and cons of floating ports.

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Wave distribution and proposed seawall design around Tanjung Emas Port, Semarang

Cited by 3 publications

References 12 publications

An overview of flood risk components: The Land subsidence case of Pekalongan City

An overview of flood risk components: The Land subsidence case of Pekalongan City

Extreme Coastal Flood Inundation Mapping Based on Sentinel 1 Using Google Earth Engine

Floating Ports as Support for Port Relocation Measures on Sea Level Rise

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