Now showing items 5581-5600 of 9513

    • A compact self-recording pressure based sea level gauge suitable for deployments at harbour and offshore environments 

      Desa, E.; Peshwe, V.B.; Joseph, A.; Mehra, P.; Naik, G.P.; Kumar, V.; Desa, E.S.; Desai, R.G.P.; Nagvekar, S.; Desai, S.P. (SYMPOL, 2001)
      A compact and lightweight self-recording pressure based sea level gauge has been designed to suit deployments from harbour and offshore environments. A novel hydraulic coupling device designed in-house was used to transfer ...
    • Platform attitude data acquisition system 

      Afzulpurkar, S. (SYMPOL, 2001)
      A system for automatic acquisition of underwater platform attitude data has been designed, developed and tested in the laboratory. This is a micro controller based system interfacing dual axis inclinometer, high-resolution ...
    • Development of an integrated data acquision system for research vessels 

      Mehra, P.; Desai, R.G.P. (Anna University, Chennai;, 2001)
      This article describes an integrated data acquisition system (IDAS) designed and developed for multi-oceanographic research vessels. The prime motivation was to provide a flexible system, which could be used in the context ...
    • New bromotriterpene polyethers from the Indian alga Chondria armata 

      Ciavatta, M.L.; Wahidullah, S.; DeSouza, L.; Scognamiglio, G.; Cimino, G. (Pergamon, 2001)
      Six new bromotriterpene polyethers, armatol A-F (1-6), with a rearranged carbon skeleton, were isolated from the Indian Ocean red alga Chondria armata. The structures were characterized by spectroscopic techniques, in ...
    • Methane in coastal and offshore waters of the Arabian Sea 

      Jayakumar, D.A.; Naqvi, S.W.A.; Narvekar, P.V.; George, M.D. (Elsevier, 2001)
      Measurements of methane (CH sub(4)) made during two surveys in the eastern and central Arabian Sea in April-May, 1996, and August-September, 1997, corresponding to late Spring Intermonsoon (SI) and Southwest Monsoon (SWM) ...
    • Bioactive substances 

      Wahidullah, S. (Oxford and IBH, New Delhi, 2001)
      Chemistry related to certain bioactive molecules, from Indian Ocean Region, developed into drugs or which served as models for the synthesis of more effective bioactive substances or in use in fundamental studies of ...
    • Dissolved organic carbon in the INDEX area of the Central Indian Basin 

      Sardessai, S.; DeSousa, S.N. (Pergamon, 2001)
      Dissolved organic carbon (DOC) concentrations at the Indian Deep-Sea Environment Experiment (INDEX) site of the Central Indian Basin can be divided into three depth intervals. The subsurface layer (25-200 m) shows highly ...
    • Variation in the composition of carbohydrates in the Dona Paula, Bay (west of India) during May/June 1998 

      DeSouza, F.P.; Bhosle, N.B. (Ifremer/ CNRS/ IRD/ Editions scientifiques et medicales Elsevier SAS. Tous droits reserves, 2001)
      Suspended particulate material was analysed for particulate carbohydrate concentration and composition and for the bulk parameters: suspended particulate matter, chlorophyll a, particulate organic carbon, particulate organic ...
    • Chemical characteristics of Central Indian Basin waters during the southern summer 

      DeSousa, S.N.; Sardessai, S.; RameshBabu, V.; Murty, V.S.N.; Gupta, G.V.M. (Pergamon, 2001)
      Chemical properties of the water column were examined at the Indian Deep-sea Environment Experiment (INDEX) site in the Central Indian Basin (CIB), as a part of baseline studies prior to the benthic disturbance experiment ...
    • Oceanography of marginal seas 

      DileepKumar, M. (Oxford and IBH, New Delhi, 2001)
      The North Indian Ocean consists of three marginal seas; The Persian Gulf and the Red Sea in the west and the Andaman Sea in the east. Oceanographic features of these semi-enclosed basins have been discussed in this article. ...
    • Chemical oceanography 

      Naqvi, S.W.A. (Oxford and IBH, New Delhi, 2001)
      Extremes in atmospheric forcing, asymmetrically distributed over the northern Indian Ocean, bring about exceptionally large hydrographical changes and produce a wide variety of ecosystems or biogeochemical provinces. While ...
    • Mangroves 

      Wafar, S.; Untawale, A.G. (Oxford and IBH, New Delhi, 2001)
      The present paper describes the status of the mangrove ecosystem along the Indian Ocean region in terms of climatology and biodiversity. Out of 37 countries surrounded by Indian Ocean, India, Pakistan, countries around ...
    • EIA of anthropogenic activities on marine macrobenthos 

      Govindan, K. (Central Institute of Fisheries Education, Mumbai, 2001)
    • Bacterial standing stock, meiofauna and sediment-nutrient characteristics: Indicators of benthic disturbance in the Central Indian Basin 

      Raghukumar, C.; LokaBharathi, P.A.; Ansari, Z.A.; Nair, S.; Ingole, B.S.; Sheelu, G.; Mohandass, C.; Nath, B.N.; Rodrigues, N. (Pergamon, 2001)
      As a part of the environmental impact assessment studies for polymetallic nodule mining, the effect of simulated "benthic disturbance" caused by a benthic hydraulic disturber was studied in the Central Indian Basin (CIB). ...
    • Mesozooplankton biomass, composition and distribution in the Arabian Sea during the fall intermonsoon: Implications of oxygen gradients 

      Madhupratap, M.; Gopalakrishnan, T.C.; Haridas, P.; Nair, K.K.C. (Pergamon, 2001)
      Mesozooplankton biomass and distribution of calanoid copepods were studied for the upper 500 m between 3 and 21 degrees N along an open-ocean transect in the Arabian Sea during the Fall Intermonsoon (September-October 1992, ...
    • Primary productivity 

      Verlecar, X.N.; Parulekar, A.H. (Oxford and IBH, New Delhi, 2001)
      Photosynthetic production in the oceans in relation to light, nutrients and mixing processes is discussed. Primary productivity in the estuarine region is reported to be high in comparison to coastal and oceanic waters. ...
    • Assessment of viability in the bacterial standing stock of the Antarctic Sea from the Indian side 

      LokaBharathi, P.A.; Nair, S.; DeSouza, M.J.B.D.; Chandramohan, D. (Ifremer/ CNRS/ IRD/ Editions scientifiques et medicales Elsevier SAS. Tous droits reserves, 2001)
      During the austral summer, the bacterial population along the cruise track extending from 70 degrees S and 18 degrees E to 30 degrees S and 35 degrees E are examined. During the cruise, three distinct fractions of the ...
    • Marine microbiology: A glimpse of the strides in the Indian and the global arena 

      LokaBharathi, P.A.; Nair, S.; Chandramohan, D. (Oxford and IBH, New Delhi, 2001)
      The chapter reviews the development in marine microbiology in the national and international arena. It traces salient features from the pre-Zobell era to the mid 1990s. The studies in India have just made a beginning into ...
    • Impact of benthic disturbance on megafauna in Central Indian Basin 

      Rodrigues, N.; Sharma, R.; Nath, B.N. (Pergamon, 2001)
      Deep-sea photographs and video data were studied to evaluate the effects of benthic disturbance on megafaunal distribution in the Central Indian Basin. Xenophyophores (41%) and holothurians (30%) are the most abundant taxa, ...