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BRIN's Research: The Majority of the Coastline of the Pantura Region of Java is Experiencing Erosion

Akbar Ridwan 05/05/2026 14:44 WIB

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Researcher at the BRIN Climate and Atmosphere Research Center, Tubagus Solihuddin, revealed that the majority of the coastlines in the coastal areas of Pantura Java are experiencing erosion.

Changes in the Coastline in the North Coast/Pantura Region of Java (2000-2024)*

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BRIN's Research: The Majority of the Coastline of the Pantura Region of Java is Experiencing Erosion

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Changes in the Coastline in the North Coast/Pantura Region of Java (2000-2024)*

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Researcher at the National Research and Innovation Agency (BRIN) Climate and Atmosphere Research Center, Tubagus Solihuddin, revealed that the majority of the coastlines in the North Coast (Pantura) region of Java are experiencing erosion.

Based on Sentinel Satellite data from 2000-2024, the majority of coastal line changes are dominated by erosion rates reaching 65.8%, while the rate of accretion (land addition) is only 34.2%.

He said that the high rate of coastal abrasion has resulted in environmental degradation, affecting the loss of residents' living space and disrupting economic infrastructure.

He also highlighted that the development of settlements and economic activity centers in Pantura is happening on a massive scale due to high demographic pressure.

According to him, this has led to uncontrolled extraction of marine and coastal resources. The vulnerability is exacerbated by the morphological conditions in the Pantura region.

"The North Coast of Java is dominated by low-relief beaches or low-lying plains with elevations of less than 10 meters. And it occupies 83% of the total length of the North Coast of Java," he explained, quoted from the BRIN website, Monday (4/5/2026).

Tubagus also revealed monitoring data anomalies, where massive erosion actually occurs in delta environments that are naturally sedimentation areas.

According to him, this condition is related to modifications in upstream areas, such as canalization, river diversion, and dam construction, which ultimately cut off the supply of sediment to coastal estuaries.

The impact of these anthropogenic modifications has been recorded at various points. In Tanjung Pontang, Serang, a 1.72-square-kilometer land area disappeared due to the diversion of the Ciujung Baru River.

In the Bahagia Beach area, Muara Gembong, Bekasi, seawater has encroached up to 4 kilometers (km) into the land, permanently submerging public infrastructure and flooding more than 1,000 hectares (ha) of residents' ponds.

Meanwhile, in Legonkulon, Subang, seawater intrusion up to 2 km has submerged 700 ha of ponds. Abrasion has also eroded a 500-meter-1-kilometer-long village road in Krangkeng, Indramayu.

Specifically in the Demak region, Tubagus said, this area was the waters of the Muria Strait in the 15th and 16th centuries, which were later closed by sedimentation and became land.

"Now, seawater is again entering 5 to 6 kilometers into the land of Demak, engulfing rice fields and settlement areas," he revealed.

Editor : Erlina Fury Santika

"Disclosure: This is an AI-generated translation of the original article. We strive for accuracy, but please note that automated translations may contain errors or slight inconsistencies."

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BRIN's Research: The Majority of the Coastline of the Pantura Region of Java is Experiencing Erosion

BRIN's Research: The Majority of the Coastline of the Pantura Region of Java is Experiencing Erosion

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BRIN's Research: The Majority of the Coastline of the Pantura Region of Java is Experiencing Erosion

BRIN's Research: The Majority of the Coastline of the Pantura Region of Java is Experiencing Erosion

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