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Lone, Aasif Mohmad
- Cyclone Ockhi and its Impact Over Minicoy Island, Lakshadweep, India
Abstract Views :297 |
PDF Views:72
Authors
Affiliations
1 Department of Geology, Anna University, Chennai - 600025, IN
1 Department of Geology, Anna University, Chennai - 600025, IN
Source
Current Science, Vol 115, No 5 (2018), Pagination: 819-820Abstract
Small islands in the Arabian Sea such as the Lakshadweep Islands offer a unique ecosystem that harbours diverse types of flora and fauna. Cyclone Ockhi which occurred on 1 December 2017 caused severe damage to the ecosystem and economy, particularly in Minicoy Island, Lakshadweep. Here we provide an overview of the after effects of the cyclone.References
- Indian Meteorological Department bulletin report, December 2017.
- Rapid Sedimentation and Organic Matter Accumulation in the Kashmir Himalayan Lakes:A Challenge for Lake Managers
Abstract Views :265 |
PDF Views:74
Authors
Affiliations
1 Department of Earth and Environmental Sciences, Indian Institute of Science Education and Research (IISER) Bhopal, Bhopal 462 066, IN
1 Department of Earth and Environmental Sciences, Indian Institute of Science Education and Research (IISER) Bhopal, Bhopal 462 066, IN
Source
Current Science, Vol 117, No 1 (2019), Pagination: 23-24Abstract
Freshwater constitutes a little less than 3% of the total volume of water present on the earth’s surface. However, freshwater ecosystems have a strong bearing on the economy of a country by providing potable water, fish and fodder for the local people. They are also the most vulnerable habitats as they act as major sinks for weathered sediments, sewage and waste disposal from catchment areas. Human interferences within the lacustrine systems have significantly altered them. The primary anthropogenic activities responsible for the degradation of lacustrine ecosystems include massive population growth, deforestation, land reclamation and other land-use/landcover changes. Two primary concerns regarding the vulnerability of these freshwater ecosystems include extensive sedimentation and accumulation of organic matter. The organic content of the sediments reflects the quantity of living organisms in and around the lake ecosystems, including the level of lake productivity and leaching from humus-rich catchment soils. While the changing climate plays an important role in changing these ecosystems, anthropogenic-induced variations in the nutrient load inputs have had a distinct effect on the freshwater lakes during the past few centuries.References
- Sarkar, S., Prakasam, M., Upasana, S., Bhushan, R., Gaury, P. K. and Meena, N. K., Himalayan Geol., 2016, 37, 1–7.
- Romshoo, S. A., Altaf, S., Rashid, I. and Dar, R. A., Geomat. Nat. Hazards Risk, 2018, 9, 224–248.
- Lone, A. M., Shah, R. A., Achyuthan, H. and Fousiya, A. A., Environ. Earth Sci., 2018, 77; doi:10.1007/s12665-018-7242-8.
- Shah, R. A., Achyuthan, H., Lone, A. M. and Ramanibai, R., J. Geol. Soc. India, 2017, 90; doi:10.1007/s12594-017-0694-8.