Utilisation of Open Source Geospatial Technologies for Disaster Preparedness

Each state in India has its disaster preparedness plan and as per the new guidelines of the National Disaster Management Authority (NDMA) even districts have preparedness plans along the lines of state plans. Cyclone Phailin has shown that if local or central agencies are prepared for a disaster before it strikes, loss of life can […]

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Ravine Erosion in India

Chambal ravine formation significantly increases soil loss from agricultural lands and severely impacts agricultural productivity. A review of ephemeral gully erosion and spreading rates of the ravenous tracks of Lower Chambal Valley using geospatial tools shows that both the ravenous and the marginal lands have increased during the last 15 years. A slow natural disaster- […]

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Tsunami and the soils of South Andaman

  Soils usually turn saline due to weathering of parent materials – causing fossil or primary salinity, or from anthropogenic activities involving the improper management of land and water resources – contributing to human or secondary salinity. Until recently, the occurrence of large scale soil salinity due to natural disasters like the tsunami was understood […]

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