Now showing items 6461-6480 of 9443

    • Resolving orographic rainfall on the Indian west coast 

      Suprit, K.; Shankar, D. (Royal Meteorological Society, 2008)
      We discuss a method to obtain the spatial estimates of rainfall on the Indian west coast for calculating the surface water budget. The region includes the basin of the Mandovi River, a typical west-coast river whose catchment ...
    • Qualitative assessment of tectonic lineaments over the coastal and innershelf of Kakinada and Kalingapatnam, central east coast of India 

      Subrahmanyam, A.S.; Murty, G.P.S.; Sarma, K.V.L.N.S.; Rao, K.M.; Reddy, N.P.C.; Rao, M.M.M.; Subrahmanyam, V.; Rani, P.S.; Anuradha, A.; Murthy, K.S.R. (Geological Society of India, 2007)
      Earth tremors of low to moderate intensity (3.0 to 5.5) recurring over last century in and around coastal and shelf regions of Visakhapatnam has prompted us to acquire and study the geophysical data between coastal regions ...
    • Cabira rangarajani n. sp. (Polychaeta: Pilargidae) from the Goa coast, central west coast of India 

      Mandal, Sumit; Harkantra, S.N.; Salazar-Vallejo, S.I. (Magnolia Press, 2007)
      Cabira rangarajani n. sp., is described from the Goa coast, in central west coast of India. It differs from C. brevicirris (Rangarajan, 1964), by having a single type of neurochaetae while the other species has three types. ...
    • Acoustic characterization of seafloor habitats on the western continental shelf of India 

      Chakraborty, B.; Mahale, V.; Navelkar, G.S.; Rao, B.R.; Desai, R.G.P.; Ingole, B.S.; Janakiraman, G. (Oxford University Press, 2007)
      This is a study of the interaction effects of the dual frequency (210 and 33 kHz) backscatter signal with seafloor sediment and benthic biota along a transect in water 27–83 m deep offshore of the Goa region of India’s ...
    • Seafloor classification of the mound and channel provinces of the Porcupine Seabight: An application of the multibeam angular backscatter data 

      Beyer, A.; Chakraborty, B.; Schenke, H.W. (Springer, 2007)
      In this study multibeam angular backscatter data acquired in the eastern slope of the Porcupine Seabight are analysed. Processing of the angular backscatter data using the ‘NRGCOR’ software was made for 29 locations ...
    • Arabian Sea mini warm pool and the monsoon onset vortex 

      Vinayachandran, P.N.; Shankar, D.; Kurian, J.; Durand, F.; Shenoi, S.S.C. (Indian Academy of Sciences, 2007)
      Warm pools – regions with sea surface temperature (SST) in excess of 28°C – in the ocean occupy a special place in tropical climate owing to their impact on tropical convection. The southeastern Arabian Sea presents SST ...
    • Life in the oceanic realms 

      Raghukumar, C. (Indian Academy of Sciences, 2007)
      The marine environment includes the nutrient-rich coastal waters, relatively nutrient-poor open oceanic waters, coral reef atolls, metal-rich hydrothermal vent fluids with temperatures of 200-350°C, cold-seeps, estuaries, ...
    • Comments on ‘Temporal significant wave height estimation from wind speed by perceptron Kalman filtering’ by A. Altunkaynak and M. Ozger, Ocean Engineering, Vol. 31(10); 2004,1245-1255 

      Mandal, S. (Elsevier, 2007)
      The significant wave heights and periods are conventionally forecasted from the wind information on the basis of the wind–wave relationship. However, the error may become large due to many uncertainties in the wind generation ...
    • Preponderance of a few diatom species among the highly diverse microphytoplankton assemblages in the Bay of Bengal 

      Paul, J.T.; Ramaiah, N.; Gauns, M.; Fernandes, V. (Springer, 2007)
      The microphytoplankton assemblages were studied from water samples collected at eight discrete depths in the top 120 m at five central [open ocean] and four western [shelf/slope region] locations in the Bay of Bengal. The ...
    • Do manganese nodules grow or dissolve after burial? Results from the Central Indian Ocean Basin 

      Pattan, J.N.; Parthiban, G.P.S. (Elsevier, 2007)
      Fifty buried manganese nodules at different depth intervals were recovered in 12 sediment cores from the Central Indian Ocean Basin (CIOB). A maximum of 15 buried nodules were encountered in one sediment core (AAS-22/GC-07) ...
    • Sewage-pollution indicator bacteria 

      Ramaiah, N.; Rodrigues, V.; Alwares, E.; Rodrigues, C.; Baksh, R.; Jayan, S.; Mohandass, C. (National Institute of Oceanography, India, 2007)
      Spatial distribution and annual cycle of sewage pollution indicator (total coliforms and total fecal coliforms) and human pathogenic bacteria (Escherichia coli and Streptococcus faecalis) in water and sediment samples in ...
    • Distribution of tributyltin (TBT) in the Mandovi estuary 

      Bhosle, N.B. (National Institute of Oceanography, India, 2007)
      Organotins are used for several industrial applications. For example, they are used as stabilizers for polyvinyl chloride, plastic additives, insecticides, fungicides, bactericides, and wood preservatives and as constituents ...
    • Distribution of iron and manganese 

      Mesquita, A.; Kaisary, S. (National Institute of Oceanography, India, 2007)
      Estuarine systems are potential sites of chemical and geochemical alterations, and often serve as filters of river-derived materials. Goa, India is an important mineral producing area. Iron ore mining and export forms the ...
    • Benthic macrofauna 

      Ansari, Z.A.; Sivadas, S.; Ingole, B.S. (National Institute of Oceanography, India, 2007)
      The variability of macrofaunal assemblage in the Mandovi–Zuari, Goa, India estuarine complex was studied during 2002-2003 and compared with earlier data of the same area. Sediment samples in duplicate were collected from ...
    • Zooplankton 

      Jyothibabu, R.; Madhu, N.V. (National Institute of Oceanography, India, 2007)
      A review on some important aspects of zooplankton community in the Mandovi and Zuari estuaries, Goa, India is presented. Both these estuaries have more or less similar zooplankton fauna with nearly 20 different taxonomic ...
    • Phytoplankton diversity, biomass, and production 

      Madondkar, S.G.P.; Gomes, H.; Parab, S.G.; Pednekar, S.; Goes, J.I. (National Institute of Oceanography, India, 2007)
      Mandovi-Zuari (M-Z) estuarine system, Goa, India experiences large variations in freshwater input, land runoff and seawater input in different seasons. The changes in input of these waters are also influenced by tides. In ...
    • 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 ...
    • Mixing and intrusion of salt 

      Shetye, S.R.; Michael, G.S.; Chavan, P.V. (National Institute of Oceanography, India, 2007)
      The chapter presents three sets of data on salinity in the Mandovi and Zuari estuaries, Goa, India. The first set gives variation in vertical stratification at Old Goa in the Mandovi during February 1997 (dry season, when ...
    • New sites of Australasian microtektites in the central Indian Ocean: Implications for the location and size of source crater 

      ShyamPrasad, M.; Mahale, V.; Kodagali, V.N. (AGU, 2007)
      Fifteen new Australasian microtektite sites have been identified along a transect roughly N-S in the central Indian Ocean. These locations, in addition to the existing 46 sites, total to 61 microtektite sites in the oceans. ...
    • Numerical models 

      Unnikrishnan, A.S.; Manoj, N.T. (National Institute of Oceanography, India, 2007)
      Various numerical models used to study the dynamics and horizontal distribution of salinity in Mandovi-Zuari estuaries, Goa, India is discussed in this chapter. Earlier, a one-dimensional network model was developed for ...