Tag: Oceanography

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Evaluate the impact of extreme weather events on marine fishing activities. Examine the measures required to enhance resilience among fishing communities.

Topic: Distribution of key natural resources across the world (including South Asia and the Indian subcontinent) Q1. Evaluate the impact of extreme weather events on marine fishing activities. Examine the measures required to enhance resilience among fishing communities. (10 M) Difficulty Level: Medium Reference: TH Why the question Extreme weather events are becoming more frequent …

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Describe the global pattern of salinity distribution. Analyse the influence of precipitation and freshwater inflow in modifying salinity levels. Evaluate the implications of salinity variations for marine ecosystems and human activities.

Topic: Salinity distribution Q1. Describe the global pattern of salinity distribution. Analyse the influence of precipitation and freshwater inflow in modifying salinity levels. Evaluate the implications of salinity variations for marine ecosystems and human activities. (15 M) Difficulty Level: Medium Reference: InsightsIAS Why the question Climate change, ice-melt, and monsoon variability have made ocean salinity …

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Swell waves

Facts for Prelims (FFP)   Source: TH  Context: Coastal areas in southern and central Kerala experienced inundation from swell waves, locally known as ‘Kallakkadal,’ prompting alertness from disaster management authorities. The phenomenon is not common for this time of the year, as noted by the fishing community.

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Underwater canyon

Facts for Prelims (FFP)   Source: TOI    Context: The Geological Institute of Israel has discovered a previously unknown underwater canyon near Cyprus, named Eratosthenes after the nearby underwater mountain. This canyon dates back to the Messinian Event approximately 5.5 million years ago. It measures about 10 kilometres wide and 500 meters deep and was …

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