Now showing items 1-20 of 39

    • Variation of salinity in the Sundarbans estuarine system during the equinoctial spring tidal phase of march 2011 

      Chatterjee, Meenakshi; Shankar, D.; Vijith, V.; Sen, G.K.; Sundar, D.; Michael, G.S.; Amol, P.; Chatterjee, Abhisek; Sanyal, P.; Chatterjee, Siddhartha; Basu, Anwesha; Chakraborti, Saranya; Mishra, S.K.; Suprit, K.; Mukherjee, Debabrata; Mukherjee, A.; Mukhopadhyay, Soumya; Mondal, Gopal; Kalla, A.; Das, Madhumita (Springer, 2021)
      The Sundarbans Estuarine System (SES), comprising the southernmost part of the Indian portion of the Ganga-Brahmaputra delta bordering the Bay of Bengal, is India's largest monsoonal, macro-tidal, delta-front estuarine ...
    • How biological (fish) noise affects the performance of shallow water passive array system 

      Fernandes, W.A.; Chakraborty, B.; Haris, K.; Vijayakumar, K.; Sundar, D.; Luis, R.A.A.; Mahanty, M.M.; Latha, G. (NIOT, Chennai, 2015)
      Passive acoustic data off Grand Island, Goa were acquired using a single wideband hydrophone system deployed at the water depth of ~20.5 m during the month of April, 2014. The 4- elements hydrophone array with an aperture ...
    • Observed variations in stratification and currents in the Zuari estuary, west coast of India 

      Sundar, D.; Unnikrishnan, A.S.; Michael, G.S.; Kankonkar, A.; Nidheesh, A.G.; Subeesh, M.P. (Springer, 2015)
      25-hour time series measurements of vertical salinity profiles and currents in Zuari estuary were done during both spring and neap tidal cycles of pre-monsoon (April–May), south-west monsoon (June–September) and post-monsoon ...
    • Intra- and inter-seasonal variability of nutrients in a tropical monsoonal estuary (Zuari, India). 

      Anand, S.S.; Sardessai, S.; Muthukumar, C.; Mangalaa, K.R.; Sundar, D.; Parab, S.G.; DileepKumar, M. (Elsevier, 2014)
      A study was conducted to understand the intra- and inter-seasonal variability of dissolved oxygen and nutrients in a tropical monsoon estuary (Zuari in Goa, India). We adopted a dual sampling approach with (a) daily or ...
    • Demarcation of coastal vulnerability line along the Indian coast 

      Ajai; Baba, M.; Unnikrishnan, A.S.; Rajawat, A.S.; Bhattacharya, S.; Ratheesh, R.; Kurian, N.P.; Hameed, S.; Sundar, D. (Indian Society of Geomatics, 2013)
      Delineation of vulnerability line for coastal region due to dynamic coastal processes and natural coastal hazards is a complex task due to high regional variability and site specific coastal characteristics. A methodology ...
    • Tidal variations in the Sundarbans estuarine system, India 

      Chatterjee, M.; Shankar, D.; Sen, G.K.; Sanyal, P.; Sundar, D.; Michael, G.S.; Chatterjee, A.; Amol, P.; Mukherjee, D.; Suprit, K.; Mukherjee, A.; Vijith, V.; Chatterjee, S.; Basu, A.; Das, M.; Chakraborti, S.; Kalla, A.; Misra, S.K.; Mukhopadhyay, S.; Mandal, G.; Sarkar, K. (Indian Academy of Sciences, 2013)
      Situated in the eastern coastal state of West Bengal, the Sundarbans Estuarine System (SES) is India’s largest monsoonal, macro-tidal delta-front estuarine system. It comprises the southernmost part of the Indian portion ...
    • Picophytoplankton community in a tropical estuary: Detection of Prochlorococcus-like populations 

      Mitbavkar, S.; Rajaneesh, K.M.; Anil, A.C.; Sundar, D. (Elsevier, 2012)
      The influence of hydrography on the picophytoplankton (PP) abundance in estuaries was studied by sampling along a salinity gradient in an Indian estuary. Prochlorococcus-like cells were detected at salinities ranging from ...
    • Trapped waves of the 27 November 1945 Makran tsunami: observations and numerical modeling 

      Neetu, S.; Suresh, I.; Shankar, R.; Nagarajan, B.; Sharma, R.; Shenoi, S.S.C.; Unnikrishnan, A.S.; Sundar, D. (Springer, 2011)
      The 27 November 1945 earthquake in the Makran Subduction Zone triggered a destructive tsunami that has left important problems unresolved. According to the available reports, high waves persisted along the Makran coast and ...
    • Suspended sediment dynamics on a seasonal scale in the Mandovi and Zuari estuaries, central west coast of India 

      Rao, V.P.; Shynu, R.; Kessarkar, P.M.; Sundar, D.; Michael, G.S.; Narvekar, T.; Blossom, V.; Mehra, P. (Elsevier, 2011)
      Suspended particulate matter (SPM) collected at regular stations from the Mandovi and Zuari estuaries indicates that the peaks of high SPM coincide with peaks of high rainfall and low salinity and also with peaks of ...
    • Modulation of SST, SSS over northern Bay of Bengal on ISO time scale 

      Rao, S.A.; Saha, S.K.; Pokhrel, S.; Sundar, D.; Dhakate, A.R.; Mahapatra, S.; Ali, S.; Chaudhari, H.S.; Shreeram, P.; Suneel, V.; Srikanth, A.S.; Suresh, R.R.V. (American Geophysical Union, 2011)
      High resolution observations of atmospheric and oceanic variables are carried out at northern Bay of Bengal from 22nd July to 6th August 2009 on-board ORV Sagar Kanya under the Continental Tropical Convergence Zone research/ ...
    • Observed tides at Mumbai High offshore region near the continental shelf break in the eastern Arabian Sea 

      Joseph, A.; Vijaykumar, K.; Mehra, P.; Unnikrishnan, A.S.; Sundar, D.; Desai, R.G.P. (Current Science Association, 2009)
      The observed large tidal range (up to 3 m during spring tide) at the Mumbai High offshore region located near the continental shelf break, off the central west coast of India, is described based on simultaneous tidal ...
    • Wind-driven estuarine turbidity maxima in Mandovi Estuary, central west coast of India 

      Kessarkar, P.M.; Rao, V.P.; Shynu, R.; Ahmad, I.M.; Mehra, P.; Michael, G.S.; Sundar, D. (Indian Academy of Sciences, 2009)
      Systematic studies on the suspended particulate matter (SPM) measured on a seasonal cycle in the Mandovi Estuary, Goa indicate that the average concentrations of SPM at the regular station are approx. 20mg/l, 5mg/l, 19mg/l ...
    • Tidal asymmetry in the Mandovi and Zuari estuaries, the West Coast of India 

      Manoj, N.T.; Unnikrishnan, A.S.; Sundar, D. (Coastal Education and Reserch Foundation, 2009)
      Harmonic analysis of the observed and simulated tides in the Mandovi and Zuari estuaries along the west coast of India was carried out. Tidal constituents derived from this process were analyzed to study the tidal asymmetry ...
    • Time-dependence of salinity in monsoonal estuaries 

      Vijith, V.; Sundar, D.; Shetye, S.R. (Elsevier, 2009)
      The theories and classification schemes commonly used for understanding estuarine dynamics often refer to a steady state of the estuary in which the salinity field is time-independent. In this state salinity-ingress into ...
    • A one year comparison of radar and pressure tide gauge at Goa, west coast of India 

      Mehra, P.; Desai, R.G.P.; Joseph, A.; Vijaykumar, K.; Agarvadekar, Y.; Luis, R.; Sundar, D.; Viegas, B. (CUSAT, 2009)
      At many locations absolute pressure gauges are used to obtain sea level data. Therefore, knowledge of the other physical processes which effect the sea level measurements at the coast is very important to insert the required ...
    • On the usability of `compensated temperature` output of Honeywell PPTR sensor for coastal oceanographic and limnological studies 

      Mehra, P.; Joseph, A.; Desai, R.G.P.; Vijaykumar, K.; Sundar, D.; Tengali, S. (IEEE, 2008)
      Usability of the temperature output, primarily meant for temperature-compensation of the pressure output of Honeywell silicon piezoresistive precision pressure transducer (PPTR) for sea-level measurements, is presented. ...
    • Observational evidence for remote forcing of the west India coastal current 

      Shetye, S.R.; Suresh, I.; Shankar, D.; Sundar, D.; Jayakumar, S.; Mehra, P.; Desai, R.G.P.; Pednekar, P.S. (American Geophysical Union, 2008)
      Circulation in the north Indian Ocean is influenced by both local and remote wind forcing. So far, however, determining the contribution of these two forcing mechanisms at a location has been possible only in numerical ...
    • Tides and sea-level variability 

      Shetye, S.R.; Suresh, I.; Sundar, D. (National Institute of Oceanography, India, 2007)
      Variation of water level in the Mandovi and Zuari estuaries, Goa, India was monitored for a month at 13 locations using tide-poles during March–April 2003. Analysis of these data provided characteristics of how tidal ...
    • Variability of nitrate and phosphate 

      Sardessai, S.; Sundar, D. (National Institute of Oceanography, India, 2007)
      Nitrate and phosphate are important elements of the biogeochemical system of an estuary. Observations carried out during the dry season April-May 2002, and March 2003 and wet season September 2002, show temporal and spatial ...
    • Measurement and forecasting of tides of Mumbai High. Sponsored by Oil and Natural Gas Corporation 

      Unnikrishnan, A.S.; Joseph, A.; Sundar, D.; Mehra, P.; Vijaykumar, K.; Michael, G.S. (National Institute of Oceanography, India, 2007)