Analisis Spasial Area Genangan Banjir Rob Setelah Pembangunan Tanggul di Kabupaten Pekalongan, Jawa Tengah

El-Fath, Daffa Dinan Ihsani; Atmodjo, Warsito; Helmi, Muhammad; Widada, Sugeng; Rochaddi, Baskoro

doi:10.14710/ijoce.v4i1.13254

Cited by 4 publications

(2 citation statements)

References 2 publications

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“…The most impacted area was around the northern parts which have low ground elevation. Several researches shows that Pekalongan has also been influenced by land subsidence, especially in North Pekalongan since 2017 of around 24.13 cm/year [39]. At Pekalongan city, the inundation mostly appeared in the north to eastern area around Banger River.…”

Section: Resultsmentioning

confidence: 99%

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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Section: Resultsmentioning

confidence: 99%

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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show abstract

“…Based on data from the Geospatial Information Agency, the average sea level on Pekalongan Beach could reach 1.15 meters. It was exacerbated by the land subsidence since 2017 of around 24.13 cm/year for North Pekalongan [9]. This data was used as the assumption for tide elevation adjustment in 2022 which reached 1.2 meters.…”

Section: Tide Sea Level Rise and Land Subsidencementioning

confidence: 99%

Alternatives of drainage engineering in tidal flood prone areas using eco-infrastructure approach in North Pekalongan

Haque,

Nurfaida

2023

E3S Web Conf.

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Tidal flood is one of the the most persistent disaster in Indonesia. It often occurs during the high tide, which can be exacerbated by extreme tidal surges, land subsidence, and sea level rise. The coastal area of Pekalongan, especially in Panjang Wetan, is one of the impacted areas during the extreme tidal flood in May 2022. Data from Indonesia Geospatial Agency showed that maximum spring tides elevation reached + 0.4 to +0.5 m above the mean sea level. Currently, although sea dike has been installed in some parts, floods are still occurring. On the other hand, interest on the nature-based solution concept is globally increasing. Therefore, this study aimed to explore the possibility of eco-infrastructure applications in mitigating coastal flooding. The analysis was done through numerical simulation using HEC-RAS model which divided into three different scenarios: existing condition, grey infrastructure scenario, and a combination of grey and blue infrastructure scenario. The simulation results indicated that the existing drainage conditions in the area was not sufficient to accommodate the flood. The grey infrastructure could restrain the tidal overtopping, while the proposed eco-infrastructure could address this issue mainly by providing a buffer zone to prevent the water from entering the settlement areas.

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ForeINTiFlood: A Novel Framework for Forensic Investigation of Coastal Tidal Floods in The Pekalongan Coastal Area, Central Java, Indonesia

Yulianto,

Wibowo,

Yananto

et al. 2024

Earth Syst Environ

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Analisis Spasial Area Genangan Banjir Rob Setelah Pembangunan Tanggul di Kabupaten Pekalongan, Jawa Tengah

Cited by 4 publications

References 2 publications

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

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

Alternatives of drainage engineering in tidal flood prone areas using eco-infrastructure approach in North Pekalongan

ForeINTiFlood: A Novel Framework for Forensic Investigation of Coastal Tidal Floods in The Pekalongan Coastal Area, Central Java, Indonesia

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