Zobrazeno 1 - 10
of 78
pro vyhledávání: '"Ajit Subramaniam"'
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-12 (2024)
Abstract Dissolved inorganic nutrient concentrations in the surface waters (0 to 5 m) of the Northern Gulf of Mexico (NGoM) were analyzed from 1985 to 2019 (> 10,000 observations) to determine spatiotemporal trends and their connection to nutrients s
Externí odkaz:
https://doaj.org/article/fcb3c240b31c4bc38b07d365125c4b55
Autor:
Anh H. Pham, Noémie Choisnard, Ana Fernández-Carrera, Ajit Subramaniam, Erica K. Strope, Edward J. Carpenter, Maren Voss, Joseph P. Montoya
Publikováno v:
Frontiers in Marine Science, Vol 11 (2024)
The Western Tropical North Atlantic is a highly dynamic marine system where the Amazon River Plume (ARP) generates a patchwork of environmental conditions that favor different phytoplankton groups. To study phytoplanktonic community structure in such
Externí odkaz:
https://doaj.org/article/56c2a1c4729841b19da3d35ba8bcee33
Autor:
Liam J. Kelly, Kristen E. Fauria, Tushar Mittal, Jan El Kassar, Ralf Bennartz, David Nicholson, Ajit Subramaniam, Ashok Kumar Gupta
Publikováno v:
Geochemistry, Geophysics, Geosystems, Vol 24, Iss 11, Pp n/a-n/a (2023)
Abstract Volcanoes that deposit eruptive products into the ocean can trigger phytoplankton blooms near the deposition area. Phytoplankton blooms impact the global carbon cycle, but the specific conditions and mechanisms that facilitate volcanically t
Externí odkaz:
https://doaj.org/article/4844f3b7664e4f87a90857ab49ef617d
Autor:
Lin Qi, Menghua Wang, Chuanmin Hu, Douglas G. Capone, Ajit Subramaniam, Edward J. Carpenter, Yuyuan Xie
Publikováno v:
Geophysical Research Letters, Vol 50, Iss 16, Pp n/a-n/a (2023)
Abstract The cyanobacterium Trichodesmium is responsible for approximately half of the ocean's nitrogen input through nitrogen fixation. Although it was first recorded near Australia in the 18th century, the knowledge of where and when large quantity
Externí odkaz:
https://doaj.org/article/b16b92f24b5d4d77b2f9d27af46322e4
Autor:
Andy Stock, Ajit Subramaniam
Publikováno v:
GIScience & Remote Sensing, Vol 59, Iss 1, Pp 1281-1300 (2022)
In marine remote sensing, supervised learning can link variables measured in-situ near the ocean surface to variables that can be measured from space. However, the in-situ data used for training and validating such empirical satellite algorithms are
Externí odkaz:
https://doaj.org/article/21a68dd78b3c469ebb277e97963d0420
Autor:
Andrew R. Mahoney, Kate E. Turner, Donna D. W. Hauser, Nathan J. M. Laxague, Jessica M. Lindsay, Alex V. Whiting, Carson R. Witte, John Goodwin, Cyrus Harris, Robert J. Schaeffer, Roswell Schaeffer, Sarah Betcher, Ajit Subramaniam, Christopher J. Zappa
Publikováno v:
Journal of Glaciology, Vol 67, Pp 1013-1027 (2021)
The inaugural data from the first systematic program of sea-ice observations in Kotzebue Sound, Alaska, in 2018 coincided with the first winter in living memory when the Sound was not choked with ice. The following winter of 2018–19 was even warmer
Externí odkaz:
https://doaj.org/article/617078ce448f49218badd0bdc70b4013
Publikováno v:
Scientific Reports, Vol 11, Iss 1, Pp 1-14 (2021)
Abstract Small pigmented eukaryotes (⩽ 5 µm) are an important, but overlooked component of global marine phytoplankton. The Amazon River plume delivers nutrients into the oligotrophic western tropical North Atlantic, shades the deeper waters, and
Externí odkaz:
https://doaj.org/article/3c19ec4f97304cddae81b5bcd4b7e754
Autor:
Amália Maria Sacilotto Detoni, Ajit Subramaniam, Sheean T. Haley, Sonya T. Dyhrman, Paulo H. R. Calil
Publikováno v:
Frontiers in Marine Science, Vol 9 (2022)
Inputs of new nitrogen by cyanobacterial diazotrophs are critical to ocean ecosystem structure and function. Relative to other ocean regions, there is a lack of data on the distribution of these microbes in the western South Atlantic. Here, the abund
Externí odkaz:
https://doaj.org/article/016f9b1f54d64c108d6d7b4c95b3b6f1
Publikováno v:
Frontiers in Marine Science, Vol 9 (2022)
Marine phytoplankton play a central role in global biogeochemical cycling, carbon export, and the overall functioning of marine ecosystems. While chlorophyll a (Chl a) is widely used as a proxy for phytoplankton biomass, identifying the proportion of
Externí odkaz:
https://doaj.org/article/d0ee2f12c76d423ba93f90a3bbb73f72
Publikováno v:
Frontiers in Earth Science, Vol 10 (2022)
Most of Earth’s volcanic eruptions occur underwater, and these submarine eruptions can significantly impact large-scale Earth systems (e.g., enhancing local primary production by phytoplankton). However, detecting submarine eruptions is challenging
Externí odkaz:
https://doaj.org/article/7673217cd1d146e986fb77e402e335f6