Zobrazeno 1 - 10
of 46
pro vyhledávání: '"M.V.S. Guptha"'
Publikováno v:
Rivista Italiana di Paleontologia e Stratigrafia, Vol 100, Iss 4 (2017)
Coccolithophorids collected from the euphotic zone in the Arabian Sea during the tail end of summer monsoon (Sept. 20 to Oct. 06, 1992) were studied. Nineteen species were recorded, most abundantm among them were, Emiliania huxleyi, Umbilicosphaera i
Externí odkaz:
https://doaj.org/article/4961eb0f4eb84a3aa8cd6febaa836394
Publikováno v:
Boreas. 44:432-444
The aragonite compensation depth (ACD) fluctuated considerably during the last glacial until the Holocene with a dominant pteropod preservation spike during the deglacial period, which is prominently seen in three well-dated cores covering the Andama
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::445fd81d8e6d9932e89d67d8d2a86f6d
https://doi.org/10.1111/bor.12099
https://doi.org/10.1111/bor.12099
Publikováno v:
Palaeogeography, Palaeoclimatology, Palaeoecology. 371:119-135
A study on coccolithophores from the sediment trap samples, collected over a period of one year (January 1992 - December 1992) from three trap locations in the Bay of Bengal (BOB) were used to understand their production and export processes in relat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2cf2adec814a6a3c1fd5c1b2c86e4393
https://doi.org/10.1016/j.palaeo.2012.12.024
https://doi.org/10.1016/j.palaeo.2012.12.024
Autor:
M.B.L. Mascarenhas-Pereira, Ala Aldahan, A.V. Sijinkumar, Rahul Sharma, Shyam M. Gupta, B.N. Nath, D. V. Borole, Göran Possnert, M.V.S. Guptha, N. H. Khadge, Lina P. Mergulhao, Venkitasubramani Ramaswamy
Publikováno v:
Boreas. 42:762-778
records responding to Mid-Brunhes Climatic Shift (MBCS), consistent with an increased global productivity. While the coccolith diversity increased, a decrease in coccolith productivity was found during MBCS. At nearly the same time period, earlier re
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cd57057b3ccc1dfafdf06903907059dd
https://doi.org/10.1111/j.1502-3885.2012.00304.x
https://doi.org/10.1111/j.1502-3885.2012.00304.x
Publikováno v:
Marine Geology. 275:221-229
In order to understand the glacial to interglacial fluctuations in pteropod preservation and productivity during the late Quaternary (∼ 54 ka BP to present), we investigated pteropod, organic carbon (Corg) and Globigerina bulloides abundance in a d
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f823ad74fafddb3889bf64495bebfbc0
https://doi.org/10.1016/j.margeo.2010.06.003
https://doi.org/10.1016/j.margeo.2010.06.003
Autor:
M.V.S. Guptha, Lina P. Mergulhao, Rahul Mohan, Rasik Ravindra, Augustine Rajakumar, Maruthadu Sudhakar, N. Anilkumar, Meloth Thamban
Publikováno v:
Marine Micropaleontology. 67:30-45
The ecology of coccolithophores (including species' absolute abundance ) in the water column (0–200 m) was studied in the Indian sector of the Southern Ocean, along the 45° E meridian south of Madagascar to Antarctica, during austral summer of 200
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1d6ba9bac114a019d502834c516dbe54
https://doi.org/10.1016/j.marmicro.2007.08.005
https://doi.org/10.1016/j.marmicro.2007.08.005
Autor:
Lina P. Mergulhao, Priyanka Banerjee, Manish Tewari, Ranadip Banerjee, M.V.S. Guptha, G. Parthiban
Publikováno v:
Acta Geologica Sinica - English Edition. 81:614-621
Planktic foraminifera from the calcareous substrate of a ferromanganese crust in the Vityaz Fracture Zone (VFZ), Central Indian Ridge were studied to reconstruct the early Pliocene paleoceanography of this region. Eleven species of planktic foraminif
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::499edfe2618e867d45f17ae18c0bd712
https://doi.org/10.1111/j.1755-6724.2007.tb00985.x
https://doi.org/10.1111/j.1755-6724.2007.tb00985.x
Publikováno v:
Geo-Marine Letters. 26:265-273
Sediment trap samples collected from the Western Arabian Sea yielded a rich assemblage of intact and non-living (opaque white) pteropod tests from a water depth of 919 m during January to September 1993. Nine species of pteropods were recorded, all (
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2713d7e9f031724dedac6fffbbc08862
https://doi.org/10.1007/s00367-006-0035-1
https://doi.org/10.1007/s00367-006-0035-1
Publikováno v:
Journal of Earth System Science. 115:415-428
Sediment trap samples collected from a depth of 1018 m in the Central Arabian Sea Trap (CAST) at 14°28.2′N, 64°35.8′E were analyzed for temporal variation of coccolithophore fluxes from October 1993 to August 1994. Out of the twenty species of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2a2f43e41c755df1e35f1a5d0905ca23
https://doi.org/10.1007/bf02702870
https://doi.org/10.1007/bf02702870
Autor:
A.L. Paropkari, M.V.S. Guptha, Tim Rixen, B. Gaye-Haake, Hartmut Schulz, A. Suthhof, Daniela Unger, Venkitasubramani Ramaswamy, K.-Ch. Emeis, Niko Lahajnar, Venugopalan Ittekkot
Publikováno v:
Marine Chemistry. 96:243-255
δ15N values in modern sediments of the northern Indian Ocean range from 11‰ in the central Arabian Sea due to the strong spatial variability of processes influencing nitrogen cycling in the region. Suboxic conditions in Arabian Sea intermediate wa
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bbffaec4eeeafde5e4440c64190ecb28
https://doi.org/10.1016/j.marchem.2005.02.001
https://doi.org/10.1016/j.marchem.2005.02.001