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Tidal currents as feeders of the river Indus flux into the macrotidal Gulf of Kachchh, India

DRS at CSIR-National Institute of Oceanography

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Title Tidal currents as feeders of the river Indus flux into the macrotidal Gulf of Kachchh, India
 
Creator Chauhan, O.S.
Jayakumar, S.
Menezes, A.A.A.
Suneethi, J.
Shradha, N.
Rajawat, A.S.
Nayak, S.R.
Ramanamurthy, M.V.
Subramanian, B.R.
 
Subject Tidal currents
Suspended particulate matter
Hydrography
Clay minerals
Current measurement
Spatial variations
 
Description Tide synchronous abundance of total suspended matter (TSM), currents and hydrodynamic modeling during September of 1999 have been evaluated to decipher source to sink pathways in the macrotidal Gulf of Kachchh. Despite being located in the arid region with low rainfall (50 cm y sup(-1)) and insignificant fluvial input, gulf waters are enriched in suspended matter. The TSM distribution is highly dynamic and changes with prevalent tidal conditions. Generally, all along the northern flank, the gulf waters remain turbid irrespective of tidal conditions. Moreover, TSM is showing inland reducing trend in the inner regions of the gulf. We have also observed significant amount of suspended matter across shelf dispersal of TSM in the central region, particularly during low and high tide conditions. Derived from the spatial variations in TSM, prevalent hydrography and clay mineral abundance, an advection of flux of river Indus into the gulf by flood tide currents is deduced.
 
Date 2008-07-02T07:10:38Z
2008-07-02T07:10:38Z
2004
 
Type Conference Article
 
Identifier Third Indian National Conference on Harbour and Ocean Engineering (INCHOE - 2004). Proceedings, eds. Mandal, S.; SanilKumar, V.; JayaKumar, S.Vol.1; 174-183p.
http://drs.nio.org/drs/handle/2264/1168
 
Language en
 
Rights Copyright [2004]. It is tried to respect the rights of the copyright holders to the best of the knowledge. If it is brought to our notice that the rights are violated then the item would be withdrawn.
 
Publisher National Institute of Oceanography, India