GS-I: Changes in Critical Geographical Features
Examine the reasons behind Arabian sea becoming cyclone hotbed, which otherwise is a cyclone shy water body.
In recent years, Arabian Sea has been the site of onslaught wrecked by various cyclones. Conventional conditions of Arabian Sea: Cooler ocean temperature. Lower atmospheric wind circulation. Lesser wind humidity. Descending air of high-pressure. Negligible cyclone development. Reasons for becoming ..
Peninsular India is a stable region with very less seismic activities, however the region has witnessed several earthquakes. Discuss with examples.
Peninsular India has been a low seismicity region due to its old focus structure and compact landmasses. Features: Volcanic rock origin – Deccan traps. Stable landmarks and rift structures, e.g. Narmada rift. Low earthquake vulnerability. Occasional crust faults, e.g. Bhima ..
The third pole of the earth not only important for geographical reasons but also for economic and civilizational aspects of the Indian Subcontinent. Explaining the importance of the region, examine the consequences of its changing features.
The Inner Himalayan region, along with Trans Himalayas and Hindukush mountains is often described as the third pole of the world owing to its crucial role in climate regulation and vast source of fresh water in form of glaciers. It ..
The rapid decline of water resources in India is not just due to geographical factor, rather there are political and economic factors too. Discuss along with its implications.
India’s per capita water availability is below 1400 cubic meter and gone below 1100 cubic meter in some areas. Factors responsible: Economic factors – Huge water in irrigation since less awareness of conservation and suitability of crops in an area. ..
The de-oxygenation of oceans is one of the most detrimental effects of anthropogenic activities, however it is under-reported. Identify the factors behind it and mention its socio-economic and environmental implications.
Ocean de-oxygenation is a phenomenon where more carbon dioxide is dissolved in the ocean water and oxygen availability is reduced. Most detrimental: Loss of marine life. Decline of Coral and phytoplankton. Shifting of isocline (carbonate dissolved line) Phenomenon of winter ..
It’s not just the geographical conditions that have led to recurring floods in Eastern India. Discuss and also suggest measures to tackle this menace.
Floods are an adverse meteorological event wherein an excessive amount of water gets accumulated in an area & is unable to leave causing submergence. As per IPCC report; over 2 times more floods are occurring per year since the 2000’s. ..