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Post tsunami changes in soil properties of Andaman Islands, India |
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| Authors: | A K Nayak T Damodaran C S Singh S K Jha D Raja V K Mishra D K Sharma Gurbachan Singh |
| Institution: | 1. Central Soil Salinity Research Institute, Regional Research Station, Jail Road, P.O. Alambagh, Lucknow, 226005, Uttar Pradesh, India 2. Central Agricultural Research Institute, Port Blair, 744101, India 3. Central Soil Salinity Research Institute, Karnal, Haryana, India |
| Abstract: | A post tsunami study was conducted to assess the changes in soil properties in the Andaman Island, in India. The present study reported tsunami led conversion of acid soils to saline acid soils and acid sodic soils to acid saline sodic soils in the areas South Andaman inundated during tsunami and permanently receded later and in the low-lying area submerged during high tides. Upon intense leaching acid saline soils and acid saline sodic may further develop typical characteristics of acidic soils and acidic sodic soil, respectively. The soil at Guptapara inundated almost due to tsunami with minimal pyrite oxidation has potential to develop into highly acidic soils upon drainage. The tsunami by and large has modified some depositional layer affecting the salt accumulation to a greater extent and iron to a lesser extent and least to sodicity. |
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