Now showing items 1-20 of 26

    • A sink for atmospheric carbon dioxide in the northeast Indian Ocean 

      DileepKumar, M.; Naqvi, S.W.A.; George, M.D.; Jayakumar, D.A. (American Geophysical Union, 1996)
      Intensive observations in the northeast Indian Ocean (Bay of Bengal) during the pre-southwest and northeast monsoon seasons 1991 reveal that freshwater discharge from rivers of the Indian subcontinent exerts the dominant ...
    • A study of the carbon dioxide system in the northern Indian Ocean during premonsoon 

      George, M.D.; DileepKumar, M.; Naqvi, S.W.A.; Banerjee, S.; Narvekar, P.V.; DeSousa, S.N.; Jayakumar, D.A. (Elsevier, 1994)
      Extensive data sets on the carbon dioxide system in the northern Indian Ocean have been obtained during the premonsoon season. A marked increase (~50 ~kM) in the total carbon dioxide (TCO@d2@@) content is observedin deep ...
    • A uniform, quality controlled Surface Ocean CO<sub>2</sub> Atlas (SOCAT) 

      Pfeil, B.; Olsen, A.; Bakker, D.C.E.; Hankin, S.; Koyuk, H.; Kozyr, A.; Malczyk, J.; Manke, A.; Metzl, N.; Sabine, C.L.; Akl, J.; Alin, S.R.; Bates, N.; Bellerby, R.G.J.; Borges, A.; Boutin, J.; Brown, P.J.; Cai, W.-J.; Chavez, F.P.; Chen, A.; Cosca, C.; Fassbender, A.J.; Feely, R.A.; Gonzalez-Davila, M.; Goyet, C.; Hales, B.; Hardman-Mountford, N.; Heinze, C.; Hood, M.; Hoppema, M.; Hunt, C.W.; Hydes, D.; Ishii, M.; Johannessen, T.; Jones, S.D.; Key, R.M.; Kortzinger, A.; Landschutzer, P.; Lauvset, S.K.; Lefevre, N.; Lenton, A.; Lourantou, A.; Merlivat, L.; Midorikawa, T.; Mintrop, L.; Miyazaki, C.; Murata, A.; Nakadate, A.; Nakano, Y.; Nakaoka, S.; Nojiri, Y.; Omar, A.M.; Padin, X.A.; Park, G.-H.; Paterson, K.; Perez, F.F.; Pierrot, D.; Poisson, A.; Rios, A.F.; Santana-Casiano, J.M.; Salisbury, J.; Sarma, V.V.S.S.; et al (Copernicus Publications, 2013)
      A well-documented, publicly available, global data set of surface ocean carbon dioxide (CO2) parameters has been called for by international groups for nearly two decades. The Surface Ocean CO2 Atlas (SOCAT) project was ...
    • An update to the Surface Ocean CO2 Atlas (SOCAT version 2) 

      Bakker, D.C.E.; Hankin, S.; Olsen, A.; Pfeil, B.; Smith, K.; Alin, S.R.; Cosca, C.; Hales, B.; Harasawa, S.; Kozyr, A.; Nojiri, Y.; OBrien, K.M.; Schuster, U.; Telszewski, M.; Tilbrook, B.; Wada, C.; Akl, J.; Barbero, L.; Bates, N.; Boutin, J.; Cai, W.J.; Castle, R.D.; Chavez, F.; Chen, L.; Chierici, M.; Currie, K.; Evans, W.; Feely, R.A.; Fransson, A.; Gao, Z.; Hardman-Mountford, N.; Hoppema, M.; Huang, W.J.; Hunt, C.W.; Huss, B.; Ichikawa, T.; Jacobson, A.; Johannessen, T.; Jones, E.M.; Jones, S.; Sara, J.; Kitidis, V.; Kortzinger, A.; Lauvset, S.; Lefevre, N.; Manke, A.B.; Mathis, J.; Metzl, N.; Monteiro, P.; Murata, A.; Newberger, T.; Nobuo, T.; Ono, T.; Paterson, K.; Pierrot, D.; Rios, A.F.; Sabine, C.L.; Saito, S.; Salisbury, J.; Sarma, V.V.S.S.; Schlitzer, R.; Sieger, R.; Skjelvan, I.; Steinhoff, T.; Sullivan, K.; Sutherland, S.C.; Suzuki, T.; Sutton, A.; Sweeney, C.; Takahashi, T.; Tjiputra, J.; VanHeuven, S.; Vandemark, D.; Vlahos, P.; Wallace, D.W.R.; Wanninkhof, R.; Watson, A.J. (Copernicus Publications, 2014)
      The Surface Ocean CO<SUB>2</SUB> Atlas (SOCAT), an activity of the international marine carbon research community, provides access to synthesis and gridded fCO<SUB>2</SUB> (fugacity of carbon dioxide) products for the ...
    • Application of vertical advection-diffusion model for studying CO2 and O2 profiles in central Arabian Sea 

      AnilKumar, N.; Singbal, S.Y.S. (CSIR-NISCAIR, 1984)
      The vertical advection-diffusion model proposed by Craig has been applied to the study of CO sub(2) and O sub(2) profiles in Central Arabian Sea. Distributions of total CO Sub(2) and O sub(2) are explained better by ...
    • Carbon dioxide and nitrous oxide in the Arabian Sea 

      Naqvi, S.W.A.; Sengupta, R.; DileepKumar, M. (American Geophysical Union, 1993)
      This review concentrates on some aspects of biogeochemical cycling of carbon and nitrogen in the Arabian Sea with emphasis on the atmospheric fluxes of CO sub(2) and N sub(2)O. The Arabian Sea appears to serve as a net ...
    • Carbon dioxide and nitrous oxide in the North Indian Ocean 

      DileepKumar, M.; Naqvi, S.W.A.; Jayakumar, D.A.; George, M.D.; Narvekar, P.V.; DeSousa, S.N. (Current Science Association, Bangalore, India, 1995)
      The understanding of biogeochemical cycling of carbon dioxide and nitrous oxide in the oceans is essential for predicting the fate of anthropogenically emitted components. The North Indian Ocean, with its diverse regimes, ...
    • Carbon dioxide emissions from Indian monsoonal estuaries 

      Sarma, V.V.S.S.; Viswanadham, R.; Rao, G.D.; Prasad, V.R.; Kumar, B.S.K.; Naidu, S.A.; Kumar, N.A.; Rao, D.B.; Sridevi, T.; Krishna, M.S.; Reddy, N.P.C.; Sadhuram, Y.; Murty, T.V.R. (American Geophysical Union, 2012)
      Estuaries are known to be strong source for atmospheric CO sub(2), however, little information is available from Indian estuaries. In order to quantify CO sub(2) emissions from the Indian estuaries, samples were collected ...
    • Carbon dioxide emissions from the tropical Dowleiswaram Reservoir on the Godavari River, Southeast of India 

      Prasad, M.H.K.; Sarma, V.V.S.S.; Sarma, V.V.; Krishna, M.S.; Reddy, N.P.C. (Scientific Research Publishing, 2013)
      Time-series observations were conducted in the Dowleiswaram dam reservoir that was constructed on the largest monsoonal river in India to understand the source of inorganic carbon, and fluxes to the atmosphere. The reservoir ...
    • Carbon dioxide observations at Cape Rama, India for the period 1993–2002: implications for constraining Indian emissions 

      Tiwari, Y.K.; Patra, P.K.; Chevallier, F.; Francey, R.J.; Krummel, P.B.; Allison, C.E.; Revadekar, J.V.; Chakraborty, S.; Langenfelds, R.L.; Bhattacharya, S.K.; Borole, D.V.; RaviKumar, K.; Steele, L.P. (Current Science Association, 2011)
      India has the second largest population, one of fastest growing economies and is ranked third in greenhouse gas emissions by fossil-fuel burning in the world. However, there has been little monitoring of atmospheric CO ...
    • CO sub(2) and N sub(2) O fluxes from the northern Indian Ocean 

      Narvekar, P.V.; Naqvi, S.W.A.; DileepKumar, M. (Narosa, New Delhi (India), 1998)
      The CO sub(2) and N sub(2)O in the north Indian Ocean were measured and their fluxes were evaluated. Samples were collected from the Arabian Sea and the Bay of Bengal. The water samples were analysed for dissolved oxygen, ...
    • Delta sup(14)C, sigma CO sub(2) salinity of the western Indian Ocean deep waters: Spatial and temporal variations 

      Somayajulu, B.L.K.; Bhushan, R.; Narvekar, P.V. (American Geophysical Union, 1999)
      Indian Ocean Deep waters (IDW) show an increase in salinity and sigma CO sub(2) between 64 degrees S and 16 plus or minus 4 degrees N by 0.106-0.110 ppt and 82-104 mu M kg sup(-1) respectively with a corresponding decrease ...
    • Emission of carbon dioxide from a tropical estuarine system, Goa, India 

      Sarma, V.V.S.S.; DileepKumar, M.; Manerikar, M. (American Geophysical Union, 2001)
      Carbon dioxide species were studied in Mandovi-Zuari system, a tropical estuarine complex influenced by strong monsoonal run-off, with implications to build up and air-water exchange of CO sub(2) . Total carbon dioxide ...
    • Enhanced abundance of tintinnids under elevated CO2 level from coastal Bay of Bengal 

      Biswas, H.; Gadi, S.D.; Venkataramana, V.; Bharathi, M.D.; Priyan, R.K.; Manjari, D.T.; DileepKumar, M. (Springer, 2012)
      The role of microzooplankton (MZP) in the pelagic trophodynamics is highly significant, but the responses of marine MZP to increasing CO2 levels are rather poorly understood. Hence the present study was undertaken to ...
    • Harnessing the biosphere to mitigate global climate change and sea level rise 

      Smetacek, V. (Lights Research Foundation, 2013)
      The planetary ice cover, from Himalayan glaciers to Arctic sea ice, is shrinking at much higher rates than anticipated by climate models, presumably due to feedback processes amplifying the rate of global warming and ...
    • Intertidal zones as carbon dioxide sources to coastal oceans 

      DileepKumar, M.; George, M.D.; Rajagopal, M.D. (NISCAIR, New Delhi, 1993)
      To understand the factors controlling carbon dioxide (CO sub(2)) exchanges near land-sea boundary diurnal observations have been made twice on CO sub(2) in the air and water in a coastal region. The results suggest that ...
    • Models for changes in atmospheric carbon dioxide, ocean geochemistry and circulation during the late Pleistocene 

      Naqvi, S.W.A.; SenGupta, R. (Vikas Publication, 1990)
      This report provides a review of various hypotheses put forward so far as to the role of the oceans in controlling the glacial-interglacial climatic cycles through controls on the atmospheric carbon dioxide. The available ...
    • 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. ...
    • Respiration rates in subsurface waters of the northern Indian Ocean: Evidence for low decomposition rates of organic matter within the water column in the Bay of Bengal 

      Naqvi, S.W.A.; Shailaja, M.S.; DileepKumar, M.; Sengupta, R. (Pergamon, 1996)
      Depth profiles of activity of the respirtory Electron Transport System (ETS) have been generated at several locations in the northern Indian Ocean. The results reveal much lower ETS activities in subsurface waters of the ...
    • Seasonal variations in inorganic carbon components in the central and eastern Arabian Sea 

      Sarma, V.V.S.S.; DileepKumar, M.; George, M.D.; Rajendran, A. (Current Science Association, Bangalore, India, 1996)
      Extensive observations have been made on the carbon dioxide system in the Arabian Sea during three different seasons as part of the Indian Joint Global Ocean Flux Study (JGOFS) Programme. Concentrations of total carbon ...