Now showing items 1159-1178 of 8865

    • Biogeochemical characteristics of sedimenting particles in Dona Paula Bay, India 

      DeSouza, F.P.; Garg, A.; Bhosle, N.B. (Elsevier, 2003)
      Sedimenting particles were collected at weekly intervals from October to May during 1995-1997 at a station in the coastal waters of Dona Paula Bay on the west coast of India. Sedimenting particles were analysed for ...
    • Biogeochemical characteristics of the surface sediments along the western continental shelf of India 

      Jacob, J.; Jayaraj, K.A.; Rehman, H.H.; Chandramohanakumar, N.; Balachandran, K.K.; Raveendran, T.V.; Joseph, T.; Nair, M.; Achuthankutty, C.T. (Taylor & Francis, 2009)
      Surface sediments from the western continental shelf of India were analysed for total organic carbon (TOC), total nitrogen (TN), total hydrolysable carbohydrates (TCHO) and proteins (PRT) during the late summer monsoon ...
    • Biogeochemical cycling in the low oxygen marine environments 

      Shenoy, D.M.; Naik, H.; Kurian, S.; Gauns, M.; Ward, B.; Burkill, P.; Smetacek, V. (Elsevier B.V., 2020)
      Biogeochemistry is the interdisciplinary science of the composition and cycling of chemicalelements. Nitrogen and oxygen are two elements that are essential for living organisms and the sustenance of life on Earth. While ...
    • Biogeochemical cycling in the Taiwan Strait 

      Naik, H.; Chen, C-T.A. (Elsevier, 2008)
      Based on repeat observations made during 2001-2003 along two transects in the Taiwan Strait this study aims at understanding factors controlling primary productivity with an emphasis on biogeochemical cycling of nitrogen, ...
    • Biogeochemical cycling of dissolved manganese in the Arabian Sea 

      Singh, N.D.; Singh, S.K.; Malla, N.; Chinni, V. (Elsevier, 2023)
      The study of marine biogeochemical cycling of Mn, a bio-essential trace metal, is crucial to decipher its relative role in controlling the production and diversity of marine phytoplankton.Furthermore, Mn oxides and ...
    • Biogeochemical ocean-atmosphere transfers in the Arabian Sea 

      Naqvi, S.W.A.; Bange, H.W.; Gibb, S.W.; Goyet, C.; Hatton, A.D.; Upstill-Goddard, R.C. (Elsevier, 2005)
      Transfers of some important biogenic atmospheric constituents, carbon dioxide (CO sub (2)), methane (CH Sub (4)), molecular nitrogen (N sub (2)), nitrous oxide (N sub (2) O), nitrate NO super(-) sub (3) , ammonia (NH ...
    • Biogeochemical Parameters: Oxygen, 

      Loucaides, S.; Fassbender, A.; LeEsperance, C.; Gedela, S.; Neill, C. (IOCCP- The International Ocean Carbon Coordination Project, 2017)
      A reduction in Dissolved Oxygen has been observed during the last few decades throughout the ocean, suggesting a general decrease in the ocean�s DO inventory. This is attributed to a number of factors, including warming ...
    • Biogeochemical processes in the northern Indian Ocean 

      Gaye-Haake, B.; Guptha, M.V.S.; Murty, V.S.N.; Ittekkot, V. (Elsevier, 2005)
    • Biogeochemical significance of eddies of the eastern Arabian Sea 

      Rejomon, G.; DineshKumar, P.K.; Nair, M. (Levente Hufnagel (ALÖKI Kft.), 2013)
      Within the Arabian Sea, the western part is considered to be highly productive when compared to the northern, central and eastern parts of the basin. Despite the contrasting chlorophyll and primary productivity patterns, ...
    • Biogeochemical significance of transport exopolymer particles in the Indian Ocean 

      DileepKumar, M.; Sarma, V.V.S.S.; Ramaiah, N.; Gauns, M.; DeSousa, S.N. (American Geophysical Union, 1998)
      The behaviour of Transparent Exopolymer Particles (TEP), produced by biochemical processes, was studied for the North Indian Ocean, an area of global biogeochemical significance, during 1996 southwest monsoon. Very different ...
    • Biogeochemistry and ecology of Pyrosoma spinosum from the Central Arabian Sea 

      Gauns, M.; Mochemadkar, S.; Pratihary, A.K.; Roy, R.; Naqvi, S.W.A. (Springer, 2015)
      Background: A swarm of pelagic tunicate (Pyrosoma spinosum) was found in the surface open waters of the Arabian Sea during late southwest monsoon (September 2007). The swarm site was characterized by moderate southwesterly ...
    • Biogeochemistry and trophic structure of a cold seep ecosystem, offshore Krishna-Godavari basin (east coast of India) 

      Peketi, A.; Mazumdar, A.; Sawant, B.; Manaskanya, A.; Zatale, Anjali (Elsevier, 2022)
      Active cold seep sites associated with shallow gas hydrates were recently reported from Krishna-Godavari (K-G) basin, off east coast of India. Benthic fauna including chemosymbiotic bivalves (genera Bathymodiolus, Acharax, ...
    • Biogeochemistry of carbon, nitrogen and oxygen in the Bay of Bengal: New insights through re-analysis of data 

      Sarma, V.V.S.S. (Springer, 2022)
      Primary production is reported to be a fraction of heterotrophic carbon demand in the Bay of Bengal (BoB), and it is attributed to the unavailability of inorganic nutrients and faster sinking of organic matter in association ...
    • Biogeochemistry of iron in the Arabian sea 

      Moffett, J.W.; Vedamati, J.; Goepfert, T.J.; Pratihary, A.K.; Gauns, M.; Naqvi, S.W.A. (Association for the Sciences of Limnology and Oceanography, 2015)
      The Arabian Sea is a productive basin where seasonal upwelling and convective mixing result in high surface nutrient concentrations and widespread algal blooms. The factors controlling primary productivity in the Arabian ...
    • Biogeochemistry of lead in the eastern Arabian Sea and western Bay of Bengal 

      Rejomon, G.; DineshKumar, P.K.; Bahulayan, N. (Taylor & Francis, 2010)
      Biogeochemical cycling of lead (Pb) within the Indian Exclusive Economic Zone of the Arabian Sea and Bay of Bengal was examined in terms of the dissolved and particulate Pb concentration profiles. The relative distribution ...
    • Biogeochemistry of methane in a tropical monsoonal estuarine system along the west coast of India 

      Araujo, J.; Naqvi, S.W.A.; Naik, H.; Naik, R. (Elsevier, 2018)
      Estuaries are known to be important sources of methane (CH4) to the atmosphere. However, a lack of adequate field studies in understanding the sources/sinks of CH4 in estuaries hampers the global atmospheric budgeting. ...
    • Biogeochemistry of the Bay of Bengal: Physical, chemical and primary productivity characteristics of the central and western Bay of Bengal during summer monsoon 2001 

      Madhupratap, M.; Gauns, M.; Ramaiah, N.; PrasannaKumar, S.; Muraleedharan, P.M.; DeSousa, S.N.; Sardessai, S.; Muraleedharan, U.D. (Elsevier, 2003)
      Reliable data on biological characteristics from the Bay of Bengal are elusive. In this paper, we present results on physics, chemistry and biology simultaneously measured during the summer monsoon, 2001 from open ocean ...
    • Biogeochemistry of the North Indian Ocean 

      DileepKumar, M. (Indian National Science Academy, 2006)
      Biogeochemistry is a subject wherein geochemical and biological processes occurring in the upper layers of the Earth, including atmosphere, are studied together. Many of the climatically important gases influencing the ...
    • Biogeochemistry of the surficial sediments of the western and eastern continental shelves of India 

      Jacob, J.; Chandramohanakumar, N.; Jayaraj, K.A.; Raveendran, T.V.; Balachandran, K.K.; Joseph, T.; Nair, M.; Achuthankutty, C.T.; Nair, K.K.C.; George, R.; Ravi, Z.P. (Coastal Education and Reserch Foundation, 2008)
      Even though continental margins cover only about 7-9 % of the world ocean area, they are important sites for organic carbon accumulation and hence play a major role in biogeochemical carbon cycling. Surface sediments from ...
    • Biogeographic distribution of extant Coccolithophores in the Indian sector of the Southern Ocean 

      Patil, S.M.; Mohan, R.; Shetye, S.S.; Gazi, S.; Baumann, K.-H.; Jafar, S. (Elsevier, 2017)
      Water samples from nine vertical profiles down to 110m water depth and 19 samples from the sea-surface were studied for coccolithophore abundance and distribution across oceanic frontal regions of the Indian sector of the ...