The Project discusses the impact of snapping shrimp on sonar systems in the Indian Ocean Region (IOR). Snapping shrimp are a major source of high-frequency noise in the ocean and their activities and habitation in shallow waters affect the efficiency of sonar systems used for navigation and communication with other vessels. The Project describes the challenges faced in dealing with the large band of operating frequency of shrimps and their interference with sonar, the natural phenomena and human activities affecting their habitations, and the impact of environmental factors on sonar’s performance. It also highlights the need to analyze the correlation between various parameters like frequency, depth, and transmission loss to improve sonar’s efficiency in the IOR.
1. The use of sonar in underwater navigation and communication has been impacted by high levels of noise in the ocean, particularly from snapping shrimp.
2. The Indian Ocean Region (IOR) is an important location for marine life, including crustaceans, but has not received as much attention as polar or temperate waters.
3. The overlap in frequency bands between sonar and snapping shrimp makes it difficult to operate sonar effectively in shallow waters where shrimp are common.
4. The impact of natural phenomena like climate change and human activities like shipping and oil drilling further complicate sonar performance in the IOR.
5. To improve sonar efficiency, it is necessary to analyze correlations between factors like frequency, depth, and transmission loss, and to use advanced modeling techniques like point processes.
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“”Many studies and researches indicate that increase in biological noise in ocean decreases the detection range of sonar drastically.
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Research Intern, MRC