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BackOffshore wind farms reduce radar coverage and create blind spots, study finds

Offshore wind farms reduce radar coverage and create blind spots, study finds

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SCMP News41 minutes agoTech1 min readChina

Offshore wind farms reduce radar coverage and create blind spots, study finds

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A study published in Radio Engineering found that offshore wind farms reduce effective radar coverage by 6.9% and increase blind spots by 14.9% at 5km range, with wind turbines creating false 'ghost' targets that complicate vessel detection in coastal waters.

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Why It Matters

The study examines how offshore wind farms interfere with shore-based radar systems, affecting maritime surveillance and vessel detection in coastal waters.

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Offshore wind farms can reduce the coverage of shore-based radar systems and create areas where targets become harder to detect, according to a new study.

The researchers found that at a range of 5km (3 miles), effective radar coverage fell by 6.9 per cent while blind spots increased by 14.9 per cent.

The research, published online last month in the peer-reviewed Chinese journal Radio Engineering, was conducted by Professor Liu Zunnian and his team from Qingdao Technological University and the Yantai Communication Centre of the Beihai Navigation Security Centre under the Ministry of Transport.

The team found that large arrays of wind turbines could produce false “ghost” targets through reflected radar signals, potentially complicating the detection of vessels in coastal waters.

Open Questions

What mitigation strategies exist for radar interference from wind farms?
How do different wind turbine sizes and layouts affect radar performance?
Are there specific coastal regions where this interference poses greater risks?

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This article was originally published by SCMP News.