Now showing items 121-140 of 9376

    • 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 ...
    • Role of phytoplankton composition on exudation of dissolved organic carbon in the Bay of Bengal 

      Prakash, G.; Rajula, G.R.; Sarma, V.V.S.S. (Elsevier, 2024)
      Phytoplankton in the marine environment exudates part of the primary production as dissolved organic carbon (DOC) into the surrounding waters. The rate of exudation of DOC is depended on the hydrographic condition, nutrient ...
    • Effect of coastal hypoxia on bacterial diversity as elucidated through 16S rRNA amplicon sequencing 

      Naik, V. V.; Damare, S.R.; Shah, S.S.; Shenoy, D.M.; Mulla, A.B. (Frontiers Media SA, 2024)
      The formation of oxygen-depleted zones in the bottom waters is one of the most widespread phenomena in coastal areas. Upwelling episodes along India�s west coast due to the southwest monsoon increase biological productivity, ...
    • Effect of habitat attributes on the abundance of Sargassum�s epifauna and the feeding habit of an amphipod epifauna from the coast of Western India 

      Imchen, T.; Ezaz, W. (CSIR-National Institute of Science Communication and Policy Research, CSIR-NISCPR, 2023)
      The Sargassum bed along the rocky intertidal region is highly productive and serves as a habitat for numerous associated species. In this study, the effect of habitat attributes (algal morphology) on the abundance and ...
    • Directional characteristics of waves in the nearshore waters of the eastern Arabian Sea 

      Anju, T.M.; SanilKumar, V. (Elsevier, 2024)
      Directional characteristics of the waves at a coastal location in the eastern Arabian Sea are studied based on the data measured from April 2008 to December 2020. The multiple-scale variations; daily, monthly, intraseasonal, ...
    • Revisit of ballast hypothesis in the Bay of Bengal 

      Sarma, V.V.S.S. (Elsevier, 2024)
      The ballast hypothesis involving rapid sinking of organic carbon in association with riverine mineral particles is proposed in the Bay of Bengal (BoB) in 1991. The ballast hypothesis was used intensively to explain several ...
    • Sea-surface pCO2 maps for the Bay of Bengal based on advanced machine learning algorithms 

      Joshi, A.P.; Ghoshal, P.K.; Chakraborty, Kunal; Sarma, V.V.S.S. (Nature Publishing Group, 2024)
      Lack of sufficient observations has been an impediment for understanding the spatial and temporal variability of sea-surface pCO2 for the Bay of Bengal (BoB). The limited number of observations into existing machine learning ...
    • Understanding heavy metal toxicity: Implications on human health, marine ecosystems and bioremediation strategies 

      Fulke, A.B.; Ratanpal, S.; Sonker, S. (Elsevier, 2024)
      Heavy metals are constituents of the natural environment and are of great importance to both natural and artificial processes. But in recent times the indiscriminate use of heavy metals especially for human purposes has ...