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21 results on '"Foppert, Annie"'

1. Antarctica and the Southern Ocean

Author

Stammerjohn, Sharon, Scambos, Ted A, Adusumilli, Susheel, Barreira, Sandra, Bernhard, Germar H, Bozkurt, Deniz, Bushinsky, Seth M, Clem, Kyle R, Colwell, Steve, Coy, Lawrence, De Laat, Jos, du Plessis, Marcel D, Fogt, Ryan L, Foppert, Annie, Fricker, Helen Amanda, Gardner, Alex S, Gille, Sarah T, Gorte, Tessa, Johnson, Bryan, Keenan, Eric, Kennett, Daemon, Keller, Linda M, Kramarova, Natalya A, Lakkala, Kaisa, Lazzara, Matthew A, Lenaerts, Jan TM, Lieser, Jan L, Li, Zhi, Liu, Hongxing, Long, Craig S, MacFerrin, Michael, Maclennan, Michelle L, Massom, Robert A, Mikolajczyk, David, Montgomery, Lynn, Mote, Thomas L, Nash, Eric R, Newman, Paul A, Petropavlovskikh, Irina, Pitts, Michael, Reid, Phillip, Rintoul, Steven R, Santee, Michelle L, Shadwick, Elizabeth H, Silvano, Alessandro, Stierle, Scott, Strahan, Susan, Sutton, Adrienne J, Swart, Sebastiaan, Tamsitt, Veronica, Tilbrook, Bronte, Wang, Lei, Williams, Nancy L, and Yuan, Xiaojun

Subjects
Astronomical and Space Sciences, Atmospheric Sciences, Physical Geography and Environmental Geoscience, Meteorology & Atmospheric Sciences
Published
2021

3. Closing the loops on Southern Ocean dynamics: From the circumpolar current to ice shelves and from bottom mixing to surface waves

Author

Bennetts, Luke G, primary, Shakespeare, Callum J, additional, Vreugdenhil, Catherine A, additional, Foppert, Annie, additional, Gayen, Bishakhdatta, additional, Meyer, Amelie, additional, Morrison, Adele K, additional, Padman, Laurie, additional, Phillips, Helen E, additional, Stevens, Craig L, additional, Toffoli, Alessandro, additional, Constantinou, Navid C., additional, Cusack, Jesse, additional, Cyriac, Ajitha, additional, Doddridge, Edward W, additional, England, Matthew H, additional, Evans, D Gwyn, additional, Heil, Petra, additional, Hogg, Andrew Mcc, additional, Holmes, Ryan M, additional, Huneke, Wilma G C, additional, Jones, Nicole L, additional, Keating, Shane R, additional, Kiss, Andrew E, additional, Kraitzman, Noa, additional, Malyarenko, Alena, additional, Mcconnochie, Craig D, additional, Meucci, Alberto, additional, Montiel, Fabien, additional, Neme, Julia, additional, Nikurashin, Maxim, additional, Patel, Ramkrushnbhai S, additional, Peng, Jen-Ping, additional, Rayson, Matthew, additional, Rosevear, Madelaine G, additional, Sohail, Taimoor, additional, Spence, Paul, additional, and Stanley, Geoffrey J, additional

Published
2024
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5. Observing Antarctic Bottom Water in the Southern Ocean

Author

Silvano, Alessandro, primary, Purkey, Sarah, additional, Gordon, Arnold L., additional, Castagno, Pasquale, additional, Stewart, Andrew L., additional, Rintoul, Stephen R., additional, Foppert, Annie, additional, Gunn, Kathryn L., additional, Herraiz-Borreguero, Laura, additional, Aoki, Shigeru, additional, Nakayama, Yoshihiro, additional, Naveira Garabato, Alberto C., additional, Spingys, Carl, additional, Akhoudas, Camille Hayatte, additional, Sallée, Jean-Baptiste, additional, de Lavergne, Casimir, additional, Abrahamsen, E. Povl, additional, Meijers, Andrew J. S., additional, Meredith, Michael P., additional, Zhou, Shenjie, additional, Tamura, Takeshi, additional, Yamazaki, Kaihe, additional, Ohshima, Kay I., additional, Falco, Pierpaolo, additional, Budillon, Giorgio, additional, Hattermann, Tore, additional, Janout, Markus A., additional, Llanillo, Pedro, additional, Bowen, Melissa M., additional, Darelius, Elin, additional, Østerhus, Svein, additional, Nicholls, Keith W., additional, Stevens, Craig, additional, Fernandez, Denise, additional, Cimoli, Laura, additional, Jacobs, Stanley S., additional, Morrison, Adele K., additional, Hogg, Andrew McC., additional, Haumann, F. Alexander, additional, Mashayek, Ali, additional, Wang, Zhaomin, additional, Kerr, Rodrigo, additional, Williams, Guy D., additional, and Lee, Won Sang, additional

Published
2023
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6. Observing the full ocean volume using Deep Argo floats

Author

Zilberman, Nathalie V., primary, Thierry, Virginie, additional, King, Brian, additional, Alford, Matthew, additional, André, Xavier, additional, Balem, Kevin, additional, Briggs, Nathan, additional, Chen, Zhaohui, additional, Cabanes, Cécile, additional, Coppola, Laurent, additional, Dall’Olmo, Giorgio, additional, Desbruyères, Damien, additional, Fernandez, Denise, additional, Foppert, Annie, additional, Gardner, Wilford, additional, Gasparin, Florent, additional, Hally, Bryan, additional, Hosoda, Shigeki, additional, Johnson, Gregory C., additional, Kobayashi, Taiyo, additional, Le Boyer, Arnaud, additional, Llovel, William, additional, Oke, Peter, additional, Purkey, Sarah, additional, Remy, Elisabeth, additional, Roemmich, Dean, additional, Scanderbeg, Megan, additional, Sutton, Philip, additional, Walicka, Kamila, additional, Wallace, Luke, additional, and van Wijk, Esmee M., additional

Published
2023
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9. Closing the loops on Southern Ocean dynamics: From the circumpolar current to ice shelves and from bottom mixing to surface waves

Author

Bennetts, Luke G, primary, Shakespeare, Callum J, additional, Vreugdenhil, Catherine A, additional, Foppert, Annie, additional, Gayen, Bishakhdatta, additional, Meyer, Amelie, additional, Morrison, Adele K, additional, Padman, Laurie, additional, Phillips, Helen E, additional, Stevens, Craig L, additional, Toffoli, Alessandro, additional, Constantinou, Navid C., additional, Cusack, Jesse, additional, Cyriac, Ajitha, additional, Doddridge, Edward W, additional, England, Matthew H, additional, Evans, D Gwyn, additional, Heil, Petra, additional, Hogg, Andrew Mcc, additional, Holmes, Ryan M, additional, Huneke, Wilma G C, additional, Jones, Nicole L, additional, Keating, Shane R, additional, Kiss, Andrew E, additional, Kraitzman, Noa, additional, Malyarenko, Alena, additional, Mcconnochie, Craig D, additional, Meucci, Alberto, additional, Montiel, Fabien, additional, Neme, Julia, additional, Nikurashin, Maxim, additional, Patel, Ramkrushnbhai S, additional, Peng, Jen-Ping, additional, Rayson, Matthew, additional, Rosevear, Madelaine G, additional, Sohail, Taimoor, additional, Spence, Paul, additional, and Stanley, Geoffrey J, additional

Published
2023
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12. Recent recovery of Antarctic Bottom Water formation in the Ross Sea driven by climate anomalies

Author

Silvano, Alessandro, primary, Foppert, Annie, additional, Rintoul, Steve, additional, Holland, Paul, additional, Tamura, Takeshi, additional, Kimura, Noriaki, additional, Castagno, Pasquale, additional, Falco, Pierpaolo, additional, Budillon, Giorgio, additional, Haumann, Alexander, additional, Naveira Garabato, Alberto, additional, and Macdonald, Alison, additional

Published
2021
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15. The limits of ice: what a 19th century expedition trapped in sea ice for a year tells us about Antarctica's future.

Author

Doddridge, Edward, Foppert, Annie, and Corney, Stuart

Subjects
SEA ice, ICE, NINETEENTH century, ANTARCTIC Circumpolar Current, ICE on rivers, lakes, etc., SCIENTIFIC expeditions
Abstract

The article discusses the 1897 expedition of the RV Belgica, which became trapped in sea ice for over a year. The crew endured harsh conditions, including scurvy and constant darkness, but eventually freed the ship and returned home. The article then highlights the impact of climate change on Antarctica, with the melting of sea ice and the potential threat to the Thwaites Glacier. The changing conditions in Antarctica have also made it easier for tourist cruise ships to visit the region. The article emphasizes the limits of the ice continent and the need to address climate change. [Extracted from the article]

Published
2024

20. A Double-Thermostad Warm-Core Ring of the Gulf Stream.

Author

Belkin, Igor, Foppert, Annie, Rossby, Thomas, Fontana, Sandra, and Kincaid, Chris

Subjects
*GULF Stream, *OCEAN travel, *ACOUSTIC Doppler current profiler, *VORTEX motion
Abstract

An unusual double-thermostad warm-core ring of the Gulf Stream was discovered in the Slope Sea, south of Georges Bank, during the R/V Endeavor Cruise 578 in May 2016. The ring's stratification was peculiar as it included two thermostads at, respectively, 100-200 m (T=18.5°C, S=36.53) and 250-500 m (T=16.7°C, S=36.35). Extensive use of satellite data (SST imagery and SSH maps) allowed the complete life story of this ring to be reconstructed, with SST and SSH data mutually corroborating each other. The double-thermostad ring was formed by vertical alignment of two pre-existing warm-core anticyclonic rings of the Gulf Stream. The first ring spawned by the Gulf Stream in February has cooled by 2°C before merging in April with the second ring spawned by the Gulf Stream in March. During vertical alignment of these rings, the warmer ring overrode the colder ring, thereby forming the double-thermostad ring surveyed in May 2016. From ADCP sections through the ring, the upper and lower thermostads had different core relative vorticities of -0.65f and -0.77f respectively where f is the local Coriolis parameter. The different water properties and relative vorticities of the thermostads are consistent with the ring's origin due to a merger of two rings with different origins. This is the first report of such a double-thermostad warm-core ring of the Gulf Stream. [ABSTRACT FROM AUTHOR]

Published
2019

21. Observed oceanic storm track dynamics in Drake Passage.

Author

Foppert, Annie

Subjects
*BAROCLINICITY, *ANTARCTIC Circumpolar Current, *EDDIES, *KINETIC energy, *POTENTIAL energy, *ENERGY transfer
Abstract

The dynamics of an oceanic storm track -- where energy and enstrophy transfer between the mean flow and eddies -- are investigated using observations from an eddy-rich region of the Antarctic Circumpolar Current downstream of the Shackleton Fracture Zone (SFZ) in Drake Passage. Four years of measurements by an array of current- and pressure-recording inverted echo sounders deployed between November 2007 and November 2011 are used to diagnose eddy-mean flow interactions and provide insight into physical mechanisms for these transfers. Averaged within the upper-mid water column (400-1000 meters depth) and over the four-year record mean field, eddy potential energy (EPE) is highest in the western part of the storm track and maximum mean eddy kinetic energy (EKE) occurs farther away from the SFZ, shifting the proportion of eddy energies from EPE/EKE > 2 to about 1 along the storm track. There are enhanced mean 3D wave activity fluxes (W) immediately downstream of SFZ with strong horizontal flux vectors emanating northeast from this region, roughly perpendicularly away from the SFZ axis. Significant spatial and temporal correlations of the horizontal and vertical fluxes indicate barotropic and baroclinic processes, respectively, occur simultaneously in this oceanic storm track. Consistently, explaining the eddy energetics pattern requires both horizontal and vertical components of W, implying the presence of mixed barotropic-baroclinic instability immediately in the lee of the SFZ in Drake Passage. [ABSTRACT FROM AUTHOR]

Published
2019

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