Now showing items 181-200 of 9141

    • Geochemistry of volcanic glass from Mahanadi offshore region, eastern continental margin of India: Constraints on the contribution of latest Toba super-eruption 

      Kocherla, M.; Ray, D.; Satyanarayanan, M.; Joao, H.M.; Gaikwad, V.; Ramamurty, P.B. (Springer, 2024)
      The tephra layers in multiple sediment cores from the offshore region of the Mahanadi basin in the northern Bay of Bengal were investigated for possible volcanic sources. The glass shards from those tephra layers were ...
    • Spatial variability in nitrogen uptake rates and f-ratio in the northern Indian Ocean 

      Sarma, V.V.S.S.; Sridevi, B. (Elsevier, 2024)
      Inorganic nitrogen is the major limiting nutrient in the northern Indian Ocean. The published and unpublished data of nitrate (NO3?) and ammonium (NH4+) uptake rates and estimated f-ratios (new to total production) for the ...
    • Unveiling the faunal diversity in the water column adjacent to two seamounts in the deep Arabian Sea using environmental DNA metabarcoding 

      DevikaRaj, K.; Anas, A.; Jasmin, C.; Jaleel, A.K.U.; Menon, Nandini (Multidisciplinary Digital Publishing Institute (MDPI), 2024)
      The diversity of organisms inhabiting deep-sea ecosystems, such as seamounts, has hitherto remained under-studied. In this study, we report on the faunal diversity in the water column adjacent to the summit and periphery ...
    • Reinterpretation of marine magnetic anomalies in the Bay of Bengal: Implications for plate tectonics during the mid-cretaceous 

      Desa, M.; Jacob, J.; Khan, S.A.; Carlier, B. (John Wiley & Sons, Ltd, 2024)
      The breakup of India from Antarctica in the Early Cretaceous and subsequent seafloor spreading in the NW-SE direction initiated the formation of the Bay of Bengal and its conjugate Enderby Basin. Two hypotheses are proposed ...
    • Decoupling of carbon burial from productivity in the northeast Indian Ocean 

      Saraswat, R.; Fathima, R.; Salman, M.; Suokhrie, T.; Saalim, S.M. (Elsevier, 2024)
      The concentration of atmospheric carbon dioxide (CO2) is a crucial climate parameter as it has far-reaching implications on global temperature. The oceans are a significant sink for CO2. Biologically mediated carbon ...
    • Enhanced therapeutic efficacy of biogenic nanosilver-conjugated thymol: In vitro and in vivo evaluation against emerging multi-drug resistant microbes 

      Ram, V.P.; Yasur, J.; Abishad, P.; Ramesh, Ch.; Gourkhede, D.P.; Arya, P.R.; Varsha, Unni; Vergis, J.; Malik, S.V.S.; Kaore, M.; Kurkure, N.V.; Kullaiah, B.; Barbuddhe, S.B.; Rawool, D.B. (Elsevier, 2023)
      Phytochemicals and nanoparticles (NPs) despite having strong antibacterial activity, their limited stability and safety prevent their widespread biomedical and environmental applications. Therefore, the bio-efficacy and ...
    • Microbial machinery dealing diverse aromatic compounds: Decoded from pelagic sediment ecogenomics in the gulfs of Kathiawar Peninsula and Arabian Sea 

      Nathani, N.M.; Mootapally, C.; Sharma, Parth; Solomon, S.; Kumar, Rakesh; Fulke, A.B.; Kumar, Manish (Elsevier, 2023)
      Aromatic hydrocarbons are persistent pollutants in aquatic systems as endocrine disruptors, significantly impacting natural ecosystems and human health. Microbes perform as natural bioremediators to remove and regulate ...
    • Using multi-spectral remote sensing for flood mapping: A case study in lake Vembanad, India 

      Kulk, G.; Sathyendranath, S.; Platt, T.; George, G.; Suresan, A.K.; Menon, Nandini; Evers-King, H.; Anas, A. (Multidisciplinary Digital Publishing Institute (MDPI), 2023)
      Water is an essential natural resource, but increasingly water also forms a threat to the human population, with floods being the most common natural disaster worldwide. Earth Observation has the potential for developing ...
    • Global subterranean estuaries modify groundwater nutrient loading to the ocean 

      Wilson, S.J.; Moody, A.; McKenzie, T.; Cardenas, M.B.; Luijendijk, E.; Sawyer, A.H.; Wilson, A.; Michael, H.A.; Xu, B.; Knee, K.L.; Cho, H.M.; Weinstein, Y.; Paytan, A.; Moosdorf, N.; Chen, C.T.A.; Beck, M.; Lopez, C.; Murgulet, D.; Kim, G.; Charette, M.A.; Waska, H.; Ibanhez, J.S.P.; Chaillou, G.; Oehler, T.; Onodera, S. I.; Saito, M.; Rodellas, V.; Dimova, N.; Montiel, D.; Dulai, H.; Richardson, C.; Du, J.; Petermann, E.; Chen, X.; Davis, K.L.; Lamontagne, S.; Sugimoto, R.; Wang, G.; Li, H.; Torres, A.I.; Demir, C.; Bristol, E.; Connolly, C.T.; McClelland, J.W.; Silva, B.J.; Tait, D.; Kumar, B.S.K.; Viswanadham, R.; Sarma, V.V.S.S.; Silva-Filho, E.; Shiller, A.; Lecher, A.; Tamborski, J.; Bokuniewicz, H.; Rocha, C.; Reckhardt, A.; Bottcher, M.E.; Jiang, S.; Stieglitz, T.; Gbewezoun, H.G.V.; Charbonnier, C.; Anschutz, P.; Hernandez-Terrones, L.M.; Babu, S.; Szymczycha, B.; Sadat-Noori, M.; Niencheski, F.; Null, K.; Tobias, C.; Song, B.; Anderson, I.C.; Santos, I.R. (John Wiley & Sons, Ltd, 2024)
      Terrestrial groundwater travels through subterranean estuaries before reaching the sea. Groundwater-derived nutrients drive coastal water quality, primary production, and eutrophication. We determined how dissolved inorganic ...
    • Effects of the pandemic on observing the global ocean 

      Boyer, T.; Zhang, H.M.; OBrien, K.; Reagan, J.; Diggs, S.; Freeman, E.; Garcia, H.; Heslop, E.; Hogan, P.; Huang, B.; Jiang, L.Q.; Kozyr, A.; Liu, C.; Locarnini, R.; Mishonov, A.V.; Paver, C.; Wang, Z.; Zweng, M.; Alin, S.; Barbero, L.; Barth, J.A.; Belbeoch, M.; Cebrian, J.; Connell, K.J.; Cowley, R.; Dukhovskoy, D.; Galbraith, N.R.; Goni, G.; Katz, F.; Kramp, M.; Kumar, Arun; Legler, D.M.; Lumpkin, R.; McMahon, C.R.; Pierrot, D.; Plueddemann, A.J.; Smith, E.A.; Sutton, A.; Turpin, V.; Jiang, L.; Suneel, V.; Wanninkhof, R.; Weller, R.A.; Wong, A.P.S. (American Meteorological Society, 2023)
      The years since 2000 have been a golden age in in situ ocean observing with the proliferation and organization of autonomous platforms such as surface drogued buoys and subsurface Argo profiling floats augmenting ship-based ...
    • Plastic litter: A hidden reservoir for antibiotic-resistant pathogens in coastal ecosystems 

      Abdulaziz, A.; Ashraf, N.; Manika, A.; Bilutheth, M.N.; Chekkillam, A.R.; Konhamkakkada, I.B.; Kiran, K.; Reshmi, C.R.; Sujith, A.; Deepesh, V.; DineshKumar, P.K. (Elsevier, 2024)
      Plastic litter carrying pathogenic bacteria pose serious threats to the health of human and aquatic life. We enumerated the abundance of Escherichia coli and Vibrio species in different types of plastic litter (biomedical, ...
    • Comparative study of granulometric and granule trend of pre- and post-tsunami sediments with recent beach sediments from Nagoor to Poompuhar, Tamil Nadu 

      Yamini, S.; Saranaathan, S.E.; Loveson, V.J. (Springer, 2024)
      The December 26, 2004 tsunami waves caused significant destruction that changed geomorphic characteristics in India�s east coast. The article presents a comparative study of granulometric and granule trends of pre-tsunami ...
    • Aerosol trace element solubility determined using ultrapure water batch leaching: An intercomparison study of four different leaching protocols 

      Li, R.; Panda, P.P.; Chen, Y.; Zhu, Z.; Wang, F.; Zhu, Y.; Meng, H.; Ren, Y.; Kumar, Ashwini; Tang, M. (Copernicus Publications, 2024)
      Solubility of aerosol trace elements, which determines their bioavailability and reactivity, is operationally defined and strongly depends on the leaching protocol used. Ultrapure water batch leaching is one of the most ...
    • Major sources of sinking particulate organic matter in the western Bay of Bengal 

      Krishna, M.S.; Lenka, S.; Sridevi, B.; Rao, N.S.; Rao, D.N.; Sarma, V.V.S.S.; Mithun, G.G.; Tari, A.P.; Khalap, S.T.; Satelkar, N.P.; Siddharth, G.; Fernando, V. (Elsevier, 2024)
      Impacts of river discharge on coastal ocean processes are multi-dimensional. Studies on sinking particle fluxes, composition and their seasonal variability in coastal oceans are very limited. In this study, we investigated ...
    • Insights into the seasonal changes in the taxonomic and functional diversity of bacteria in the eastern Arabian Sea: Shotgun metagenomics approach 

      Parab, A.S.; Manohar, C.S. (Elsevier, 2024)
      The eastern Arabian Sea (EAS) is known for its unique oceanographic features such as the seasonal monsoonal winds, upwelling of nutrient-rich waters and a significant increase in primary productivity during the monsoon ...
    • Response of coastal phytoplankton to pollution from various sources in the coastal Bay of Bengal 

      Sharma, Aditi; Sarma, V.V.S.S. (Springer, 2024)
      The coastal ocean receives nutrient pollutants from various sources, such as aerosols, municipal sewage, industrial effluents and groundwater discharge, with variable concentrations and stoichiometric ratios. The objective ...
    • Daylight driven vertical migration of mesozooplankton in the Arabian sea and the Bay of Bengal 

      Naiji, J.A.J.; Gauns, M.; Antony, P.T. (Elsevier, 2024)
      Diurnal vertical migration (DVM) of mesozooplankton in the Deep Scattering Layer (DSL) of the Indian seas is poorly studied. This cyclical vertical migration substantially controls the carbon sequestration in the ocean. ...
    • Mean wave direction and wave height in the ERA5 reanalysis dataset: Comparison with measured data in the coastal waters of India 

      Anusree, A.; SanilKumar, V. (Elsevier, 2024)
      Information on wave direction and height is an important input to the coastal engineers. The availability of measured data at every location in the ocean makes maritime operations smoother. However, the practical impossibility ...
    • Global oceanic diazotroph database version 2 and elevated estimate of global oceanic N2 fixation 

      Shao, Z.; Xu, Y.; Wang, H.; Luo, W.; Wang, L.; Huang, Y.; Sheila, N. R.A.; Ahmed, A.; Benavides, M.; Bentzon-Tilia, M.; Berman-Frank, I.; Berthelot, H.; Biegala, I.C.; Bif, M.B.; Bode, A.; Bonnet, S.; Bronk, D.A.; Brown, M. V.; Campbell, L.; Capone, D.G.; Carpenter, E.J.; Cassar, N.; Chang, B.X.; Chappell, D.; Yuh-Ling, L.C.; Church, M.J.; Cornejo-Castillo, F.M.; Detoni, A.M.S.; Doney, S.C.; Dupouy, C.; Estrada, M.; Fernandez, C.; Fernandez-Castro, B.; Fonseca-Batista, D.; Foster, R.A.; Furuya, K.; Garcia, N.; Goto, K.; Gago, J.; Gradoville, M.R.; Hamersley, M.R.; Henke, B.A.; Horstmann, C.; Jayakumar, Amal; Jiang, Z.; Kao, S.J.; Karl, D.M.; Kittu, L.R.; Knapp, A.N.; Kumar, Sanjeev; LaRoche, J.; Liu, H.; Liu, J.; Lory, C.; Loscher, C.R.; Maranon, E.; Messer, L.F.; Mills, M.M.; Mohr, W.; Moisander, P.H.; Mahaffey, C.; Moore, R.; Mourino-Carballido, B.; Mulholland, M.R.; Shin-Ichiro, N.; Needoba, J.A.; Raes, E.J.; Rahav, E.; Ramirez-Cardenas, T.; Reeder, C.F.; Riemann, L.; Riou, V.; Robidart, J.C.; Sarma, V.V.S.S.; Sato, T.; Saxena, H.; Selden, C.; Seymour, J.R.; Shi, D.; Shiozaki, T.; Singh, Arvind; Sipler, R.E.; Sun, J.; Suzuki, K.; Takahashi, K.; Tan, Y.; Tang, W.; Tremblay, J.E.; Turk-Kubo, K.; Wen, Z.; White, A.E.; Wilson, S.T.; Yoshida, T.; Zehr, J.P.; Zhang, R.; Zhang, Y.; Luo, Y.W. (Copernicus Publications, 2023)
      Marine diazotrophs convert dinitrogen (N2) gas into bioavailable nitrogen (N), supporting life in the global ocean. In 2012, the first version of the global oceanic diazotroph database (version 1) was published. Here, we ...
    • Evidence of deep subsurface carbon-sulfur geochemistry in a sediment core from the eastern Arabian Sea 

      Mazumdar, A.; Peketi, A.; Khadke, N.; Mishra, Subhashree; Kalyani, S.; Ghosh, Ankita; Pillutla, S.P.K.; Sadique, Mohammad; Zatale, A. (Springer, 2024)
      Deep biospheric anaerobic microbial sulfate reduction and oxidative sulfur cycling have been studied in long sediment cores mainly acquired as part of IODP explorations. The most remarkable observation in many of these ...