River Morphology Change

The Study of River Morphology

River morphology is a scientific field that concerns with changes in river forms in plan and cross-sections that result because of erosion and sedimentation processes. The principal elements are the dynamics of sediment transport and river flow. Studies on the river morphology provide important information required for the management of water resources, constructions along the […]

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Almost all districts unerringly affected by floods in Bihar

Almost all districts are affected by floods in Bihar. Those areas falling under the high to very high flood risk are concentrated in the districts of East Champaran, Darbhanga, Muzaffarpur, Saharsa, Sitamarhi, Madhubani and Khagaria. In the period between 1998 to 2009, 26.09 per cent of the total land area of 94.16 lakh hectares was […]

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Stalagmites Reveal Past Drought Records

The Indian economy is primarily dependent on harvests, which in turn are regulated by monsoon rains. Frequent droughts and floods can not only have severe repercussions on public health, but significantly impair a country’s economy. Even when the monsoon is regular, one notices significant variations in the intensity, occurrence and duration on annual time scales. […]

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The Chennai 2015 Floods

Climatic conditions and processes change over space and time. Nearly 70 per cent of the earth’s surface is covered by oceans. Both land and oceans have different characteristics in terms of their heating and cooling capacities, resulting in differences in atmospheric pressure, temperature and relative humidity. In addition to the massive ice-sheets over the Arctic […]

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The Science Behind the Tamil Nadu Floods

The Indian state of Tamil Nadu experienced a series of floods this winter. The city of Chennai was flooded between November 13 and 17 and on December 1, 2015 which persisted well into the second week of December. District after district was inundated—Kanchipuram on December 5; Tirunelveli on December 7; and Thanjavur, Thiruvarur and Nagapattinam […]

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Cyclone Komen wrecks havoc; Claims more than 150 lives in India

New Delhi, August 1 (G’nY News Service): Cyclone Komen, that built a depression over Bangladesh, claimed more than 160 lives and affected an estimated 80 lakh people in India hitherto. The worst affected states are West Bengal, Gujarat, Rajasthan, Odisha and Manipur. Two days after the cyclone made a landfall in Bangladesh, the east and […]

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Surface Water Storage and Disasters

India is increasingly becoming an extreme weather event hotspot. From cold and heat waves to thunderstorms, hailstorms, dust storms, cyclones, droughts, floods and extreme rain episodes are causing heavy loss to life and property. Even dams, that were perceived as our saviours in preventing droughts and stemming floods, are emerging as killers—causing heavy erosion and […]

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Disaster proofing India’s power utilities

Disaster proofing India’s power utilities New Delhi, March 5 (G’nY news service): Our lives are cripplingly dependent on electricity. In the backdrop of the Kudankulam nuclear plant agitation, disaster proofing becomes imperative as we often depend on a reliable source of electrical power for hospitals, schools, and businesses. Power companies need to thus put in […]

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The 2013 Uttarakhand floods: Two faces of a disaster

The Himalayan regions of India are geologically fragile and highly eco-sensitive, and hence prone to certain types of natural disasters. Among the Himalayan states, Uttarakhand has been notable for a plethora of such disasters in recent decades, including floods and landslides in almost every monsoon season. Hence, except for the heavy toll of pilgrims and […]

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