- The focus on underwater radiated noise (URN) from shipping has significantly increased over the past few years.
- The International Maritime Organization (IMO) has decided to raise awareness of the issue by drawing on lessons learned from the recently updated, non-mandatory IMO Guidelines.
- The guidelines aim to monitor the impact of URN from shipping and assess the efficacy of different mitigation solutions.
Commercial shipping is one of the main contributors to underwater radiated noise, which has adverse effects on a wide range of marine life, including whales and fish. Therefore, Danish Shipping recommends its members to follow a new set of IMO guidelines aiming to reduce underwater radiated noise and preserve marine biodiversity.
Ships must cut underwater noise or face mandatory regulation
The International Maritime Organization (IMO) has adopted a set of guidelines to reduce underwater radiated noise from ships. Following the guideline is currently voluntary, but at Danish Shipping we recommend that our members follow them. Mitigating underwater radiated noise is crucial for the preservation of marine biodiversity.
“Noise travels far under water and disrupts communication, navigation and feeding behaviors of maritime life. Much of the noise that threatens maritime life comes from ships, so obviously we have an obligation to do what we can to mitigate and reduce underwater radiated noise,” said Nina Porst, Director of Climate, Environment and Security at Danish Shipping.
The IMO guidelines provide an overview of approaches applicable to designers, shipbuilders, and ship operators to reduce the underwater radiated noise of any given ship.
In its newly adopted policy paper on the topic of underwater radiated noise, Danish Shipping recommends to its members that they follow the voluntary guidelines and encourages them to establish a noise-baseline for the vessel by applying an Underwater Noise Management Plan. This will help determine which steps can be taken to reduce underwater noise.
“We have a responsibility to take measures to protect the delicate marine environments through which our ships travel. This is an important step in raising awareness about the importance of protecting marine biodiversity by taking steps to reduce underwater radiated noise,” said Nina Porst.
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Source: Danish Shipping
