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    Now showing items 171-180 of 187

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    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 ...
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    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 ...
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    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 ...
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    Rapid shoaling of aragonite saturation horizon in the northern Indian Ocean 

    Sridevi, B.; Sarma, V.V.S.S. (IOP Publishing, 2024)
    Anthropogenic carbon dioxide (CO 2 ) penetrates up to 1000 m of water column in the Indian Ocean resulting in acidification and corrosion of aragonite skeletal material. The shallowest aragonite saturation horizon (ASH) ...
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    Surface ocean-lower atmospheric processes in the Indian Ocean: Current understanding, knowledge gaps, and future directions 

    Kumar, A.; Tegtmeier, S.; Fernandes, S.O.; Biswas, H.; Girach, I.; Roxy, M.K.; Kurian, S.; Marandino, C.A.; Sarma, V.V.S.S.; Shenoy, D.M. (University of California Press, 2024)
    Our understanding of surface ocean and lower atmosphere processes in the Indian Ocean (IO) region shows significant knowledge gaps mainly due to the paucity of observational studies. The IO basin is bordered by landmasses ...
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    A new climatology of depth of nitracline in the Bay of Bengal for improving model simulations 

    Sridevi, B.; Ashitha, M.K.; Sarma, V.V.S.S.; Bhaskar, T.V.S.U.; Chakraborty, K.; Bhavani, I.V.G.; Valsala, V. (John Wiley & Sons, Ltd, 2024)
    The dissolved nitrate is one of the major essential nutrients for primary production in the tropical ocean and it is brought to the surface though mixing. The depth of nitracline determines how much of nitrate enters to ...
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    Isotopic evidence of denitrified nitrate in groundwater beneath intensive agriculture and exchange with estuary (Godavari, India) 

    Kumar, B.S.K.; Sridevi, B.; Sarma, V.V.S.S.; Cardinal, D.; Sebilo, M. (American Chemical Society, 2024)
    Nitrate is accumulated in the groundwater, modified through nitrification/denitrification, and exchanged with coastal/estuarine water bodies. To examine the sources and modifications of nitrate, the concentrations and ...
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    Dissolved organic carbon (DOC) and labile organic compounds spatial and temporal variations in coastal Indian groundwater: Their bioavailability and transfer to neighboring coastal waters of India 

    Kumar, B.S.K.; Sarma, V.V.S.S. (Springer, 2024)
    Submarine groundwater drainage (SGD) changes the elemental composition of the neighboring coastal ocean and impacts the biogeochemical cycles. To examine the seasonal and spatial variability in dissolved organic carbon ...
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    Regional Variations in Nitrous Oxide in the Indian Groundwater: Influence of Agricultural Practices, Irrigation, and Rainfall Patterns 

    Sarma, V.V.S.S.; Sebilo, M.; Kumar, B.S.K.; Sridevi, B.; Vaury, V.; Guerin, F.; Ruiz, L.; Riotte, J.; Cardinal, D. (ACS Publications, 2025)
    Intensified agricultural practices, particularly the increased use of nitrogen fertilizers, are fueling the rise of nitrous oxide (N2O) in groundwater. This gas is produced through the nitrification/denitrification of ...
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    Upper Ocean Carbon Export Flux Estimation in the East Indian Ocean Using 234Th 

    Anand, S.S.; Rengarajan, R.; Sudheer, A.K.; Sarma, V.V.S.S. (American Geophysical Union, 2025)
    The strength of the Biological Carbon Pump (BCP) to sequester atmospheric CO2 in the East Indian Ocean is unclear due to lack of studies. Here, we estimated Particulate Organic Carbon (POC) export flux by using 234Th as a ...
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    Sarma, V.V.S.S. (187)
    Krishna, M.S. (25)Sridevi, B. (25)DileepKumar, M. (24)Reddy, N.P.C. (17)Kumar, B.S.K. (16)Viswanadham, R. (14)Kumari, V.R. (12)Rao, G.D. (12)Rao, D.N. (11)... View MoreSubjectcarbon dioxide (8)river discharge (8)CHEMISTRY AND BIOGEOCHEMISTRY (7)monsoons (7)OCEANOGRAPHY AND LIMNOLOGY (7)biogeochemical cycle (6)phytoplankton (6)primary production (6)seasonal variations (6)air-water exchanges (5)... View MoreDate Issued2020 - 2025 (72)2010 - 2019 (85)2000 - 2009 (21)1996 - 1999 (9)Has File(s)Yes (149)No (38)

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