- Marine animal studies overview
- Underwater Acoustics Research
- Animal Vocal Communication and Behavior
- Marine and fisheries research
- Maritime Navigation and Safety
- Arctic and Antarctic ice dynamics
- Noise Effects and Management
- Coastal and Marine Management
- Ichthyology and Marine Biology
- Hydraulic and Pneumatic Systems
- Maritime Transport Emissions and Efficiency
- Offshore Engineering and Technologies
- Underwater Vehicles and Communication Systems
- Fish Ecology and Management Studies
- Engineering and Materials Science Studies
- Physics and Engineering Research Articles
- Avian ecology and behavior
- Maritime and Coastal Archaeology
- Marine Bivalve and Aquaculture Studies
- Structural Integrity and Reliability Analysis
- Marine and coastal plant biology
- Climate variability and models
- 3D Modeling in Geospatial Applications
- Environmental and Sediment Control
- Semantic Web and Ontologies
DHI
2014-2024
Centre for Environment, Fisheries and Aquaculture Science
2007-2012
Suffolk University
2012
Universität Hamburg
2001-2007
Museum am Rothenbaum
2001-2002
There are substantial knowledge gaps regarding both the bioacoustics and responses of animals to sounds associated with pre-construction, construction, operations offshore wind (OSW) energy development. A workgroup 2020 State Science Workshop on Wildlife Offshore Wind Energy identified studies for next five years help stakeholders better understand potential cumulative biological impacts sound vibration fishes aquatic invertebrates as OSW industry develops. The seven short-term priorities...
We review the state of knowledge about offshore wind farm (OWF) development-related effects on hydrodynamics and their possible secondary fishes derived from European studies.Theoretical, modeling, observational studies OWF developments are relatively advanced identify potential impacts resulting changes to local or regional through modification (1) fields, (2) oceanographic parameters including turbulence, mixing, vertical stratification.While limited, discuss (i.e., within footprint) due...
The acoustic repertoire of killer whales (Orcinus orca) consists pulsed calls and tonal sounds, called whistles. Although previous studies gave information on whistle parameters, no study has presented a detailed quantitative characterization whistles from wild whales. Thus an interpretation possible functions in whale underwater communication been impossible so far. In this parameters groups individually known were measured. Observations the field indicate that are close-range signals....
Offshore wind farms are part of the transition to a sustainable energy supply and both total numbers size turbines rapidly increasing. While impact underwater sound related construction work has been in focus research regulation, few data exist on potential from operational farms. Here, we reviewed published levels found an increase with expressed terms their nominal power. This trend was identified broadband turbine-specific spectral band pressure (SPLs). For power 10 MW, trends SPLs...
Measurement of particle motion from an offshore piling event in the North was conducted to determine noise levels. For this purpose, a bespoken sensor developed that both autonomous and sensitive up 2 kHz. The measurement undertaken for unmitigated mitigated piling. Three different types mitigation techniques were employed. acceleration zero-to-peak values exposure levels determined. results show inferred reduce significantly as well decreases power content higher frequencies. These suggest...
Marine ambient sound levels have risen due to noisy human activities, such as shipping, fishing, seismic surveys and piling for windfarms. mammals fishes are two prominent taxonomic groups that exposed this noise pollution, which may experience detrimental effects at the population level. Acoustic on individual behaviour deterrence, disturbance, distraction masking of biologically relevant sounds, can be translated energetically changes in vital rates (growth, maturation, reproduction...
Combining different stereotyped vocal signals into specific sequences increases the range of information that can be transferred between individuals. The temporal emission pattern and behavioral context have been described in detail for a variety birds mammals. Yet, cetaceans, study is just its infancy. Here, we provide detailed analysis whistles killer whales off Vancouver Island, British Columbia. A total 1140 whistle transitions 192 recorded from resident were analyzed using common...
Regulators in Europe and the United States have developed sound exposure criteria. Criteria range from broadband levels to frequency weighted received levels. The associated differences impact assessment results are, however, not yet understood. This uncertainty makes environmental management of transboundary anthropogenic noise challenging causes confusion for regulators who need choose appropriate In present study, three established criteria frameworks Germany, Denmark, US were used...
Recently, automated porpoise-click-detectors (T-PODs, Chelonia-Marine-Research) have been used intensively in monitoring harbor porpoises (Phocoena phocoena) the wild. However, click-detection-mechanism of T-POD leads to questions on characteristics detection process. We undertook experiments with six captive (four subadult males one pool, two adult another) at Dolfinarium Harderwijk (Netherlands). One was placed for over a week each while behavior logged by visual observation. Data were...