Now showing items 1-20 of 21

    • Two decades of current observations in the equatorial Indian Ocean 

      Jain, V.; Amol, P.; Aparna, S.G.; Fernando, V.; Kankonkar, A.; Murty, V.S.N.; Almeida, A.M.; Sardar, A.A.; Khalap, S.T.; Satelkar, N.P.; Ghatkar, S.; Tari, P.A.; Gaonkar, M.G.; Khedekar, R. (Springer, 2021)
      Deep-sea moorings in the equatorial Indian Ocean were first deployed by India in the year 2000, and currents were measured at three locations (77°E, 83°E, and 93°E) on the equator. In this paper, we present two decades of ...
    • Evidence for the existence of Persian Gulf water and Red Sea water in the Bay of Bengal 

      Jain, V.; Shankar, D.; Vinayachandran, P.N.; Kankonkar, A.; Chatterjee, A.; Amol, P.; Almeida, A.M.; Michael, G.S.; Mukherjee, A.; Chatterjee, M.; Fernandes, R.; Luis, R.; Kamble, A.; Hegde, A.; Chatterjee, S.; Das, U.; Neema, C.P. (Springer, 2017)
      The high-salinity water masses that originate in the North Indian Ocean are Arabian Sea High-Salinity Water (ASHSW), Persian Gulf Water (PGW), and Red Sea Water (RSW). Among them, only ASHSW has been shown to exist in the ...
    • On the diurnal ranges of sea surface temperature (SST) in the north Indian Ocean 

      Shenoi, S.S.C.; Nasnodkar, N.; Rajesh, G.; Joseph, K.J.; Suresh, I.; Almeida, A.M. (Indian Academy of Sciences, 2009)
      This paper describes the variability in the diurnal range of SST in the north Indian Ocean using in situ measurements and tests the suitability of simple regression models in estimating the diurnal range. SST measurements ...
    • Hydrographic features of the gas hydrate studies survey area of cruise AASGH2 in the Arabian Sea 

      Charyulu, R.J.K.; Fernandes, W.A.; Gawde, S.; Almeida, A.M. (National Institute of Oceanography, India, 2006)
      Hydrographic data were collected from the research ship ‘A.A. Siderenko’ in the Arabian Sea in [(70.55 degrees E, 70.95 degrees E) x (15.00 degrees N, 15.50 degrees N)] grid at 15 selected stations, in between stn. Nos ...
    • Hydrographic features of the gas hydrate studies survey area of cruise AASGH4 in the Bay of Bengal 

      Charyulu, R.J.K.; Fernandes, W.A.; Gawde, S.; Almeida, A.M. (National Institute of Oceanography, India, 2006)
      Hydrographic data were collected from the research ship ‘A.A. Siderenko’ in the Bay of Bengal in [(81.70 degrees E, 82.90 degrees E) x (15.75 degrees N, 16.20 degrees N)] grid at 9 selected stations, in between stn. Nos ...
    • Indian Moorings: Deep-sea current meter moorings in the Eastern Equatorial Indian Ocean 

      Murty, V.S.N.; Sarma, M.S.S.; Suryanarayana, A.; Sengupta, D.; Unnikrishnan, A.S.; Fernando, V.; Almeida, A.M.; Khalap, S.; Sardar, A.A.; Somasundar, K.; Ravichandran, M. (CLIVAR, 2006)
    • Hydrography of the eastern Arabian Sea during summer monsoon 2002 

      Shankar, D.; Shenoi, S.S.C.; Nayak, R.K.; Vinayachandran, P.N.; Nampoothiri, G.S.; Almeida, A.M.; Michael, G.S.; RameshKumar, M.R.; Sundar, D.; Sreejith, O.P. (Indian Academy of Sciences, 2005)
      Hydrographic observations in the eastern Arabian Sea (EAS) during summer monsoon 2002 (during the first phase of the Arabian Sea Monsoon Experiment (ARMEX)) include two approximately fortnight-long CTD time series. A ...
    • Multivariate data analysis 

      Fernandes, A.A.; Antony, M.K.; Somayajulu, Y.K.; Sarma, Y.V.B.; Almeida, A.M.; Mahadevan, R. (National Institute of Oceanography, Goa, 2005)
      This report describes some of the multivariate data analysis techniques used in meteorology and oceanography and provides the necessary background and software to undertake appropriate analyses of a given data set. The ...
    • Hydrography and water masses in the southeastern Arabian Sea during March-June 2003 

      Shenoi, S.S.C.; Shankar, D.; Michael, G.S.; Kurian, J.; Varma, K.K.; RameshKumar, M.R.; Almeida, A.M.; Unnikrishnan, A.S.; Fernandes, W.A.; Barreto, N; Gnanaseelan, C.; Mathew, R.; Praju, K.V.; Mahale, V. (Indian Academy of Sciences, 2005)
      This paper describes the hydrographic observations in the southeastern Arabian Sea (SEAS) during two cruises carried out in March–June 2003 as part of the Arabian Sea Monsoon Experiment. The surface hydrography during ...
    • Wavelength of ocean waves and surf beat at duck from array measurements 

      Fernandes, A.A.; Menon, H.B.; Sarma, Y.V.B.; Jog, P.D.; Almeida, A.M. (American Society of Civil Engineers, Virginia, USA, 2001)
      Wavelength of ocean waves and surf beat (infra gravity waves) has for the first time been computed as a function of frequency from different combinations of non-collinear 3-gauge arrays. Data at the 15-gauge polygonal array ...
    • Inertial currents in the Indian Ocean derived from satellite tracked surface drifters 

      Saji, P.K.; Shenoi, S.S.C.; Almeida, A.M.; Rao, L.V.G. (Ifremer/ CNRS/ IRD/ Editions scientifiques et medicales Elsevier SAS. Tous droits reserves, 2000)
      Satellite-tracked surface drifters were used to analyze the characteristics of inertial currents in the tropical Indian Ocean. The drifters were drogued at 15 m depth and had wind-produced slips less than 0.1% of the wind ...
    • Near-surface circulation and kinetic energy in the tropical Indian Ocean derived from lagrangian drifters 

      Shenoi, S.S.C.; Saji, P.K.; Almeida, A.M. (Yale University, 1999)
      Trajectories of 412 satellite-tracked drifting buoys deployed in the tropical Indian Ocean have been analyzed to document the surface circulation and kinetic energy field. Only drifters drogued at 15 m depth and having ...
    • Acoustic tomography experiment in the eastern Arabian Sea 

      PrasannaKumar, S.; Murty, T.V.R.; Somayajulu, Y.K.; Saran, A.K.; Navelkar, G.S.; Almeida, A.M.; Fernando, V.; Murty, C.S. (European Acoustics Association, 1999)
      An acoustic transmission experiment was conducted in the eastern Arabian Sea along 12.5 degrees N latitude for a duration of ten days (2-12 May, 1993), with two transceiver systems deployed on deep sea moorings, separated ...
    • Determination of wave direction using an orbital following buoy 

      Fernandes, A.A.; Almeida, A.M.; Vaithiyanathan, R.; Vethamony, P. (Publ. and Inf. Dir., New Delhi, India, 1994)
      Software has been developed in FORTRAN language using a personal computer for the determination of wave direction from time series measurements of heave, pitch and roll of an orbital following buoy. The method of digital ...
    • Geosat altimeter derived sea surface wind speeds and significant wave heights for the north Indian Ocean and their comparison with in situ data 

      Vethamony, P.; Vaithiyanathan, R.; Almeida, A.M.; Santanam, K.; Rao, L.V.G.; Sarkar, A.; Kumar, R.; Gairola, R.M.; Gohil, B.S. (Publ. and Inf. Dir., New Delhi, India, 1994)
      Geosat altimeter data for the period November 1986-October 1987 over the north Indian Ocean have been processed to retrieve wind speeds and significant wave heights. Smoothed Brown algorithm is used to retrieve wind speeds ...
    • Preliminary results of an acoustic tomography experiment (ATE-93) in the eastern Arabian Sea 

      PrasannaKumar, S.; Somayajulu, Y.K.; Murty, T.V.R.; Navelkar, G.S.; Saran, A.K.; Almeida, A.M.; Murty, C.S. (Office for Official Publications of the European Communities, 1994)
      An acoustic transmission experiment was conducted in the eastern Arabian Sea by deploying two transceiver systems on deep sea moorings separatEd. by 270 km. The experiment lasted for a duration of ten days (2-12 May 1993). ...
    • Acoustic ambient noise recorder 

      Saran, A.K.; Navelkar, G.S.; Almeida, A.M.; More, S.R.; Chodankar, P.V.; Murty, C.S. (New Delhi: Publications and Information Directorate, 1994)
      The present-day practices of measurement and continuous monitoring of environmental parameters in oceanography utilise compact and low powered devices suitable for long periods of operation. These devices deployed in the ...
    • Directional wave spectra off Candolim, Goa Coast measured through ENDECO directional wave track buoy 

      Vethamony, P.; Vaithiyanathan, R.; Almeida, A.M.; Fernandes, A.A.; Rao, L.V.G. (1993)
    • The coastal current off western India during the northeast monsoon 

      Shetye, S.R.; Gouveia, A.D.; Shenoi, S.S.C.; Michael, G.S.; Sundar, D.; Almeida, A.M.; Santanam, K. (Pergamon, 1991)
      Hydrographic data collected during December 1987 and January 1988 are used to describe the poleward coastal current along the west coast of India that flows against weak winds during the northeast monsoon. Near the southern ...