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Management against Natural Disaster |
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Natural disasters are phenomena that may threaten human interests our lives, health, livelihoods, dwellings, investments and transportation and communication links. They may manifest themselves with or without warning, suddenly or slowly, briefly or persistently. Some are linked with meteorological events but others may be geophysical or biological in origin. Such hazards are hard to classify in an unambiguous way since they often overlap and interact. An earthquake, for example, can cause a landslide, tsunami and avalanche but it may also be associated with a volcanic eruption. Similarly, a storm can result in landslides, flooding, wave surges and wind damage. Human activities can aggravate or even create hazards. Excessive watering of agricultural lands in arid conditions can deplete aquifers and result in a build-up of salts in the soil, causing a long term collapse in agricultural production. Clear felling of forests or overgrazing in catchments can precipitate landslides and floods, while inappropriately sited and constructed roads and trails can exacerbate disaster risk during earthquakes, landslides, floods and tsunami. In the agriculture land in order to reduce the natural hazards such as landslides, soil erosion, flood, etc. many deviations and the new management technology can be used. For e.g. to prevent the excessive water in the land, water harvesting technology can be used and collected water can be used for irrigation in the dry conditions, which helps to reduce the flooding in the land, erosion. Also different Diversion and Ditches could be constructed and many improve methods as cover cropping, bench terracing, crop rotation, intercropping, etc. can be employed. People have long experimented with ways to reduce the vulnerability of vital assets. In modern times, this has tended to take the form of combined environmental and engineering solutions to protect valuable infrastructure and agricultural land from predictable, recurrent hazards. Dams and sleeves have been used to control rivers and prevent floods, for example, while stone terraces have been used to stabilize slopes and concrete sea walls have been built to shield coastal areas from storm surges. Different environmental aspects such as SALT technology, Agroforestry, terracing, Basin cropping, etc. has been used to stabilize the slopes. Also along the hill and slopes nearby roads and rivers both the Dams, Geo-textile structures have been constructed along with these environment measures. So, new strategies and measures have been using with the development of new technologies and appropriate techniques that favors the conditions for the management of the disasters. |
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5 Comments
Thank you for sharing, Sunil!
Posted 30-11-2014 13:20
I believe, Sunil that Natural disasters are more so human related. We have damaged our environment so much that its nature's corrective action in response to our destructive action.
The dilemma is that poor nations suffer the brunt of the fury.
Thanks for the report.
Posted 01-10-2014 15:34
Thanks for the informative article @Sunil.
Natural disasters are things we can't stop but can help prevent.
Posted 01-10-2014 05:17
Natural disasters cause considerable economic damage. While developed countries usually are able to cope with the impacts of natural hazards, developing countries are faced with severe consequences for their resources. One sad statistic says Natural disasters displaced three times as many people as war last year in 2013 so it is really important to mind the way we deal with environment and to devise disaster management strategies at state levels. Thanks for sharing , Sunil.
Posted 01-10-2014 01:28
The natural disasters and strange natural events occur because of our actions. No matter how hard we tried to shield ourselves, the punishment from nature can still find their way to us. I think the best way to stop the disasters is to solve from the root. If we start to put more concern into the environment, the disasters may be reduced. Thanks for sharing
Posted 30-09-2014 20:23