Search Results - "Naik, Hema"

Denitrification as the dominant nitrogen loss process in the Arabian Sea by Chang, B. X, Pratihary, Anil, Rich, J. J, Devol, A. H, Jayakumar, A, Bulow, S. E, Ward, B. B, Naik, Hema

“…Primary production in over half of the world’s oceans is limited by fixed nitrogen availability. The main loss term from the fixed nitrogen inventory is the…”
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Methane stimulates massive nitrogen loss from freshwater reservoirs in India by Naqvi, S. Wajih A., Lam, Phyllis, Narvenkar, Gayatree, Sarkar, Amit, Naik, Hema, Pratihary, Anil, Shenoy, Damodar M., Gauns, Mangesh, Kurian, Siby, Damare, Samir, Duret, Manon, Lavik, Gaute, Kuypers, Marcel M. M.

“…The fate of the enormous amount of reactive nitrogen released to the environment by human activities in India is unknown. Here we show occurrence of seasonal…”
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Biogeochemistry of methane in a tropical monsoonal estuarine system along the west coast of India by Araujo, Jesly, Naqvi, S.W.A., Naik, Hema, Naik, Richita

“…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…”
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Variability of organic nitrogen and its role in regulating phytoplankton in the eastern Arabian Sea by Shetye, Suhas S., Kurian, Siby, Naik, Hema, Gauns, Mangesh, Chndrasekhararao, A.V., Kumar, Ashwini, Naik, Bhagyashri

“…The relative importance of organic nitrogen (ON) and inorganic nitrogen (IN) as nitrogen sources for the phytoplankton communities were studied through a…”
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Positive Indian Ocean Dipole events prevent anoxia off the west coast of India by Vallivattathillam, Parvathi, Iyyappan, Suresh, Lengaigne, Matthieu, Ethé, Christian, Vialard, Jérôme, Levy, Marina, Suresh, Neetu, Aumont, Olivier, Resplandy, Laure, Naik, Hema, Naqvi, Wajih

“…The seasonal upwelling along the west coast of India (WCI) brings nutrient-rich, oxygen-poor subsurface waters to the continental shelf, favoring very low…”
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Denitrification exceeds anammox as a nitrogen loss pathway in the Arabian Sea oxygen minimum zone by Bulow, Silvia E., Rich, Jeremy J., Naik, Hema S., Pratihary, Anil K., Ward, Bess B.

“…The oxygen minimum zones (OMZs) of the world oceans are sites of enhanced anaerobic nitrogen transformations, such that the largest OMZ, the Arabian Sea, is…”
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Massive Nitrogen Loss Over the Western Indian Continental Shelf During Seasonal Anoxia: Evidence From Isotope Pairing Technique by Sarkar, Amit, Naqvi, Syed Wajih Ahmad, Lavik, Gaute, Pratihary, Anil, Naik, Hema, Shirodkar, Gayatri, Kuypers, Marcel M. M.

“…The western Indian continental shelf houses the world's largest naturally-formed coastal low-oxygen zone that develops seasonally during the summer monsoon. We…”
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Impact of a tropical cyclone on biogeochemistry of the central Arabian Sea by Naik, Hema, Naqvi, S. W. A., Suresh, T., Narvekar, P. V.

“…Remotely sensed data are combined with shipboard measurements to investigate biogeochemical changes caused by a moderate tropical cyclone in the central…”
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Variations in some environmental characteristics including C and N stable isotopic composition of suspended organic matter in the Mandovi estuary by Maya, M. V., Soares, Melena A., Agnihotri, Rajesh, Pratihary, A. K., Karapurkar, Supriya, Naik, Hema, Naqvi, S. W. A.

“…Chemical and isotopic (δ 13 C and δ 15 N) investigation of the Mandovi estuary along the Indian west coast affected strongly by the seasonal monsoon cycle was…”
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Production of dimethylsulphide during the seasonal anoxia off Goa by Shenoy, Damodar M., Sujith, K. B., Gauns, Mangesh U., Patil, Shrikant, Sarkar, Amit, Naik, Hema, Narvekar, P. V., Naqvi, S. W. A.

“…Subsurface waters over the western Indian continental shelf experience seasonal anoxia towards the end of the southwest monsoon season. During a 3-day study…”
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Diversity of culturable nitrate-reducing bacteria from the Arabian Sea oxygen minimum zone by Mulla, Amara, Fernandes, Genevieve, Menezes, Larissa, Meena, Ram Murti, Naik, Hema, Gauns, Manguesh, Damare, Samir

“…The subsurface waters of the northern Arabian Sea display a pronounced oxygen minimum layer associated with high nitrite maxima which provide an ideal niche…”
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Methane dynamics in the shelf waters of the West coast of India during seasonal anoxia by Shirodkar, Gayatri, Naqvi, S. Wajih A., Naik, Hema, Pratihary, Anil K., Kurian, Siby, Shenoy, Damodar M.

“…The Western Continental Shelf of India experiences water-column anoxia during late summer/early autumn, thereby providing conducive conditions for methane…”
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Denitrification rates of culturable bacteria from a coastal location turning temporally hypoxic by Gomes, Jasmine, Khandeparker, Rakhee, Naik, Hema, Shenoy, Damodar, Meena, Ram Murti, Ramaiah, N.

“…Nitrate reduction plays a key role in the biogeochemical dynamics and microbial ecology of coastal upwelling systems. Seasonal upwelling in the eastern Arabian…”
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Contrasting patterns in pH variability in the Arabian Sea and Bay of Bengal by Shetye, Suhas, Kurian, Siby, Shenoy, Damodar, Gauns, Mangesh, Pratihary, Anil, Shirodkar, Gayatri, Naik, Hema, Fernandes, Michelle, Vidya, Pottekkatt, Nandakumar, Kuniyil, Shaikh, Adnan

“…Continuous understanding of the ongoing ocean acidification (OA) is essential for predicting the future impact of OA on marine ecosystems. Here we report the…”
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Benthic fluxes of methane along the salinity gradient of a tropical monsoonal estuary: Implications for CH4 supersaturation and emission by Araujo, Jesly, Pratihary, Anil, Naik, Richita, Naik, Hema, Naqvi, S.W.A.

“…Observations in the Mandovi estuary, a typical tropical monsoonal estuary located on the west coast of India, revealed that waters were perennially…”
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pH variability off Goa (eastern Arabian Sea) and the response of sea urchin to ocean acidification scenarios by Shetye, Suhas S., Naik, Hema, Kurian, Siby, Shenoy, Damodar, Kuniyil, Nandakumar, Fernandes, Michelle, Hussain, Afreen

“…The increasing atmospheric CO2 concentration in the last few decades has resulted in a decrease in oceanic pH. In this study, we assessed the natural…”
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Malformation in coccolithophores in low pH waters: evidences from the eastern Arabian Sea by Shetye, Suhas, Gazi, Sahina, Manglavil, Arundhathy, Shenoy, Damodar, Kurian, Siby, Pratihary, Anil, Shirodkar, Gayatri, Mohan, Rahul, Dias, Albertina, Naik, Hema, Gauns, Mangesh, Nandakumar, Kuniyil, Borker, Sidhesh

“…Oceanic calcifying plankton such as coccolithophores is expected to exhibit sensitivity to climate change stressors such as warming and acidification…”
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Nitrogen fixation rates in the eastern Arabian Sea by Ahmed, Ayaz, Gauns, Mangesh, Kurian, Siby, Bardhan, Pratirupa, Pratihary, Anil, Naik, Hema, Shenoy, Damodar M., Naqvi, S.W.A.

“…The Arabian Sea experiences bloom of the diazotroph Trichodesmium during certain times of the year when optimal sea surface temperature and oligotrophic…”
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The impacts of ocean acidification on marine trace gases and the implications for atmospheric chemistry and climate by Hopkins, Frances E., Suntharalingam, Parvadha, Gehlen, Marion, Andrews, Oliver, Archer, Stephen D., Bopp, Laurent, Buitenhuis, Erik, Dadou, Isabelle, Duce, Robert, Goris, Nadine, Jickells, Tim, Johnson, Martin, Keng, Fiona, Law, Cliff S., Lee, Kitack, Liss, Peter S., Lizotte, Martine, Malin, Gillian, Murrell, J. Colin, Naik, Hema, Rees, Andrew P., Schwinger, Jörg, Williamson, Philip

“…Surface ocean biogeochemistry and photochemistry regulate ocean–atmosphere fluxes of trace gases critical for Earth’s atmospheric chemistry and climate. The…”
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Organic carbon dynamics in the continental shelf waters of the eastern Arabian Sea by Shetye, Suhas S., Nandakumar, K., Kurian, Siby, Gauns, Mangesh, Shenoy, Damodar M., Naik, Hema, Vidya, P.J., Karapurkar, Supriya G.

“…The seasonal and spatial distribution of total organic carbon (TOC) is presented for the coastal waters of the eastern Arabian Sea, which experiences seasonal…”
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