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38 results on '"Ellis, Aja"'

2. The Ross Sea Dipole – temperature, snow accumulation and sea ice variability in the Ross Sea region, Antarctica, over the past 2700 years

Author

Bertler, Nancy AN, Conway, Howard, Dahl-Jensen, Dorthe, Emanuelsson, Daniel B, Winstrup, Mai, Vallelonga, Paul T, Lee, James E, Brook, Ed J, Severinghaus, Jeffrey P, Fudge, Taylor J, Keller, Elizabeth D, Baisden, W Troy, Hindmarsh, Richard CA, Neff, Peter D, Blunier, Thomas, Edwards, Ross, Mayewski, Paul A, Kipfstuhl, Sepp, Buizert, Christo, Canessa, Silvia, Dadic, Ruzica, Kjær, Helle A, Kurbatov, Andrei, Zhang, Dongqi, Waddington, Edwin D, Baccolo, Giovanni, Beers, Thomas, Brightley, Hannah J, Carter, Lionel, Clemens-Sewall, David, Ciobanu, Viorela G, Delmonte, Barbara, Eling, Lukas, Ellis, Aja, Ganesh, Shruthi, Golledge, Nicholas R, Haines, Skylar, Handley, Michael, Hawley, Robert L, Hogan, Chad M, Johnson, Katelyn M, Korotkikh, Elena, Lowry, Daniel P, Mandeno, Darcy, McKay, Robert M, Menking, James A, Naish, Timothy R, Noerling, Caroline, Ollive, Agathe, Orsi, Anaïs, Proemse, Bernadette C, Pyne, Alexander R, Pyne, Rebecca L, Renwick, James, Scherer, Reed P, Semper, Stefanie, Simonsen, Marius, Sneed, Sharon B, Steig, Eric J, Tuohy, Andrea, Venugopal, Abhijith Ulayottil, Valero-Delgado, Fernando, Venkatesh, Janani, Wang, Feitang, Wang, Shimeng, Winski, Dominic A, Winton, V Holly L, Whiteford, Arran, Xiao, Cunde, Yang, Jiao, and Zhang, Xin

Subjects
Earth Sciences, Physical Geography and Environmental Geoscience, Geology, Climate Action, Paleontology, Climate change science
Abstract

Abstract. High-resolution, well-dated climate archives provide anopportunity to investigate the dynamic interactions of climate patternsrelevant for future projections. Here, we present data from a new, annuallydated ice core record from the eastern Ross Sea, named the Roosevelt IslandClimate Evolution (RICE) ice core. Comparison of this record with climatereanalysis data for the 1979–2012 interval shows that RICE reliably capturestemperature and snow precipitation variability in the region. Trends over thepast 2700 years in RICE are shown to be distinct from those in WestAntarctica and the western Ross Sea captured by other ice cores. For most ofthis interval, the eastern Ross Sea was warming (or showing isotopicenrichment for other reasons), with increased snow accumulation and perhapsdecreased sea ice concentration. However, West Antarctica cooled and thewestern Ross Sea showed no significant isotope temperature trend. Thispattern here is referred to as the Ross Sea Dipole. Notably, during theLittle Ice Age, West Antarctica and the western Ross Sea experienced colderthan average temperatures, while the eastern Ross Sea underwent a period ofwarming or increased isotopic enrichment. From the 17th century onwards, thisdipole relationship changed. All three regions show current warming, withsnow accumulation declining in West Antarctica and the eastern Ross Sea butincreasing in the western Ross Sea. We interpret this pattern as reflectingan increase in sea ice in the eastern Ross Sea with perhaps the establishmentof a modern Roosevelt Island polynya as a local moisture source for RICE.

Published
2018

3. The Ross Sea Dipole – Temperature, Snow Accumulation and Sea Ice Variability in the Ross Sea Region, Antarctica, over the Past 2,700 Years

Author

Bertler, Nancy AN, Conway, Howard, Dahl-Jensen, Dorthe, Emanuelsson, Daniel B, Winstrup, Mai, Vallelonga, Paul T, Lee, James E, Brook, Ed J, Severinghaus, Jeffrey P, Fudge, Taylor J, Keller, Elizabeth D, Baisden, W Troy, Hindmarsh, Richard CA, Neff, Peter D, Blunier, Thomas, Edwards, Ross, Mayewski, Paul A, Kipfstuhl, Sepp, Buizert, Christo, Canessa, Silvia, Dadic, Ruzica, Kjær, Helle A, Kurbatov, Andrei, Zhang, Dongqi, Waddington, Ed D, Baccolo, Giovanni, Beers, Thomas, Brightley, Hannah J, Carter, Lionel, Clemens-Sewall, David, Ciobanu, Viorela G, Delmonte, Barbara, Eling, Lukas, Ellis, Aja A, Ganesh, Shruthi, Golledge, Nicholas R, Haines, Skylar A, Handley, Michael, Hawley, Robert L, Hogan, Chad M, Johnson, Katelyn M, Korotkikh, Elena, Lowry, Daniel P, Mandeno, Darcy, McKay, Robert M, Menking, James A, Naish, Timothy R, Noerling, Caroline, Ollive, Agathe, Orsi, Anaïs, Proemse, Bernadette C, Pyne, Alexander R, Pyne, Rebecca L, Renwick, James, Scherer, Reed P, Semper, Stefanie, Simonsen, Marius, Sneed, Sharon B, Steig, Eric J, Tuohy, Andrea, Venugopal, Abhijith Ulayottil, Valero-Delgado, Fernando, Venkatesh, Janani, Wang, Feitang, Wang, Shimeng, Winski, Dominic A, Winton, Victoria HL, Whiteford, Arran, Xiao, Cunde, Yang, Jiao, and Zhang, Xin

Subjects
Climate Action
Abstract

Abstract. High-resolution, well-dated climate archives provide an opportunity to investigate the dynamic interactions of climate patterns relevant for future projections. Here, we present data from a new, annually-dated ice core record from the eastern Ross Sea. Comparison of the Roosevelt Island Climate Evolution (RICE) ice core records with climate reanalysis data for the 1979–2012 calibration period shows that RICE records reliably capture temperature and snow precipitation variability of the region. RICE is compared with data from West Antarctica (West Antarctic Ice Sheet Divide Ice Core) and the western (Talos Dome) and eastern (Siple Dome) Ross Sea. For most of the past 2,700 years, the eastern Ross Sea was warming with perhaps increased snow accumulation and decreased sea ice extent. However, West Antarctica cooled whereas the western Ross Sea showed no significant temperature trend. From the 17th Century onwards, this relationship changes. All three regions now show signs of warming, with snow accumulation declining in West Antarctica and the eastern Ross Sea, but increasing in the western Ross Sea. Analysis of decadal to centennial-scale climate variability superimposed on the longer term trend reveal that periods characterised by opposing temperature trends between the Eastern and Western Ross Sea have occurred since the 3rd Century but are masked by longer-term trends. This pattern here is referred to as the Ross Sea Dipole, caused by a sensitive response of the region to dynamic interactions of the Southern Annual Mode and tropical forcings.

Published
2017

6. Determining mineralogy, size, and number concentration of individual aeolian nano- and micro- dust particles measured by single particle-ICPMS in East Antarctic ice during the last climatic cycle

Author

Lomax-Vogt, Madeleine, primary, John, Olesik, additional, Gabrielli, Paolo, additional, Bradley, Cole, additional, Ellis, Aja, additional, Sheets, Julia, additional, Welch, Susan, additional, Bland, Garret, additional, Monroe, Luke, additional, and Sullivan, Ryan, additional

Published
2021
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9. A 2700-year annual timescale and accumulation history for an ice core from Roosevelt Island, West Antarctica

Author

Winstrup, Mai, primary, Vallelonga, Paul, additional, Kjær, Helle A., additional, Fudge, Tyler J., additional, Lee, James E., additional, Riis, Marie H., additional, Edwards, Ross, additional, Bertler, Nancy A. N., additional, Blunier, Thomas, additional, Brook, Ed J., additional, Buizert, Christo, additional, Ciobanu, Gabriela, additional, Conway, Howard, additional, Dahl-Jensen, Dorthe, additional, Ellis, Aja, additional, Emanuelsson, B. Daniel, additional, Hindmarsh, Richard C. A., additional, Keller, Elizabeth D., additional, Kurbatov, Andrei V., additional, Mayewski, Paul A., additional, Neff, Peter D., additional, Pyne, Rebecca L., additional, Simonsen, Marius F., additional, Svensson, Anders, additional, Tuohy, Andrea, additional, Waddington, Edwin D., additional, and Wheatley, Sarah, additional

Published
2019
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10. A 2700-year annual timescale and accumulation history for an ice core from Roosevelt Island, West Antarctica

Author

Winstrup, Mai, Vallelonga, Paul, Kjær, Helle A., Fudge, Tyler J., Lee, James E., Riis, Marie H., Edwards, Ross, Bertler, Nancy A.N., Blunier, Thomas, Brook, Ed J., Buizert, Christo, Ciobanu, Gabriela, Conway, Howard, Dahl-Jensen, Dorthe, Ellis, Aja, Emanuelsson, B. Daniel, Hindmarsh, Richard C.A., Keller, Elizabeth D., Kurbatov, Andrei V., Mayewski, Paul A., Neff, Peter D., Pyne, Rebecca L., Simonsen, Marius F., Svensson, Anders, Tuohy, Andrea, Waddington, Edwin D., Wheatley, Sarah, Winstrup, Mai, Vallelonga, Paul, Kjær, Helle A., Fudge, Tyler J., Lee, James E., Riis, Marie H., Edwards, Ross, Bertler, Nancy A.N., Blunier, Thomas, Brook, Ed J., Buizert, Christo, Ciobanu, Gabriela, Conway, Howard, Dahl-Jensen, Dorthe, Ellis, Aja, Emanuelsson, B. Daniel, Hindmarsh, Richard C.A., Keller, Elizabeth D., Kurbatov, Andrei V., Mayewski, Paul A., Neff, Peter D., Pyne, Rebecca L., Simonsen, Marius F., Svensson, Anders, Tuohy, Andrea, Waddington, Edwin D., and Wheatley, Sarah

Abstract

ice core, Ross Ice Shelf, West Antarctica. The core adds information on past accumulation changes in an otherwise poorly constrained sector of Antarctica. The timescale was constructed by identifying annual cycles in high-resolution impurity records, and it constitutes the top part of the Roosevelt Island Ice Core Chronology 2017 (RICE17). Validation by volcanic and methane matching to the WD2014 chronology from the WAIS Divide ice core shows that the two timescales are in excellent agreement. In a companion paper, gas matching to WAIS Divide is used to extend the timescale for the deeper part of the core in which annual layers cannot be identified. Based on the annually resolved timescale, we produced a record of past snow accumulation at Roosevelt Island. The accumulation history shows that Roosevelt Island experienced slightly increasing accumulation rates between 700 BCE and 1300 CE, with an average accumulation of 0.25±0.02 m water equivalent (w.e.) per year. Since 1300 CE, trends in the accumulation rate have been consistently negative, with an acceleration in the rate of decline after the mid-17th century. The current accumulation rate at Roosevelt Island is 0.210±0.002 m w.e. yr−1 (average since 1965 CE, ±2σ), and it is rapidly declining with a trend corresponding to 0.8 mm yr−2. The decline observed since the mid-1960s is 8 times faster than the long-term decreasing trend taking place over the previous centuries, with decadal mean accumulation rates consistently being below average. Previous research has shown a strong link between Roosevelt Island accumulation rates and the location and intensity of the Amundsen Sea Low, which has a significant impact on regional sea-ice extent. The decrease in accumulation rates at Roosevelt Island may therefore be explained in terms of a recent strengthening of the ASL and the expansion of sea ice in the eastern Ross Sea. The start of the rapid decrease in RICE accumulation rates observed in 1965 CE may thus mark the ons

Published
2019

15. The Ross Sea Dipole-temperature, snow accumulation and sea ice variability in the Ross Sea region, Antarctica, over the past 2700 years

Author

Bertler, N, Conway, H, Dahl-Jensen, D, Emanuelsson, D, Winstrup, M, Vallelonga, P, Lee, J, Brook, E, Severinghaus, J, Fudge, T, Keller, E, Troy Baisden, W, Hindmarsh, R, Neff, P, Blunier, T, Edwards, R, Mayewski, P, Kipfstuhl, S, Buizert, C, Canessa, S, Dadic, R, Kjær, H, Kurbatov, A, Zhang, D, Waddington, E, Baccolo, G, Beers, T, Brightley, H, Carter, L, Clemens-Sewall, D, Ciobanu, V, Delmonte, B, Eling, L, Ellis, A, Ganesh, S, Golledge, N, Haines, S, Handley, M, Hawley, R, Hogan, C, Johnson, K, Korotkikh, E, Lowry, D, Mandeno, D, Mckay, R, Menking, J, Naish, T, Noerling, C, Ollive, A, Orsi, A, Proemse, B, Pyne, A, Pyne, R, Renwick, J, Scherer, R, Semper, S, Simonsen, M, Sneed, S, Steig, E, Tuohy, A, Ulayottil Venugopal, A, Valero-Delgado, F, Venkatesh, J, Wang, F, Wang, S, Winski, D, Holly, W, Whiteford, A, Xiao, C, Yang, J, Zhang, X, Bertler, Nancy A. N., Conway, Howard, Dahl-Jensen, Dorthe, Emanuelsson, Daniel B., Winstrup, Mai, Vallelonga, Paul T., Lee, James E., Brook, Ed J., Severinghaus, Jeffrey P., Fudge, Taylor J., Keller, Elizabeth D., Troy Baisden, W., Hindmarsh, Richard C. A., Neff, Peter D., Blunier, Thomas, Edwards, Ross, Mayewski, Paul A., Kipfstuhl, Sepp, Buizert, Christo, Canessa, Silvia, Dadic, Ruzica, Kjær, Helle A., Kurbatov, Andrei, Zhang, Dongqi, Waddington, Edwin D., Baccolo, Giovanni, Beers, Thomas, Brightley, Hannah J., Carter, Lionel, Clemens-Sewall, David, Ciobanu, Viorela G., Delmonte, Barbara, Eling, Lukas, Ellis, Aja, Ganesh, Shruthi, Golledge, Nicholas R., Haines, Skylar, Handley, Michael, Hawley, Robert L., Hogan, Chad M., Johnson, Katelyn M., Korotkikh, Elena, Lowry, Daniel P., Mandeno, Darcy, McKay, Robert M., Menking, James A., Naish, Timothy R., Noerling, Caroline, Ollive, Agathe, Orsi, Anaïs, Proemse, Bernadette C., Pyne, Alexander R., Pyne, Rebecca L., Renwick, James, Scherer, Reed P., Semper, Stefanie, Simonsen, Marius, Sneed, Sharon B., Steig, Eric J., Tuohy, Andrea, Ulayottil Venugopal, Abhijith, Valero-Delgado, Fernando, Venkatesh, Janani, Wang, Feitang, Wang, Shimeng, Winski, Dominic A., Holly, Winton, Whiteford, Arran, Xiao, Cunde, Yang, Jiao, Zhang, Xin, Bertler, N, Conway, H, Dahl-Jensen, D, Emanuelsson, D, Winstrup, M, Vallelonga, P, Lee, J, Brook, E, Severinghaus, J, Fudge, T, Keller, E, Troy Baisden, W, Hindmarsh, R, Neff, P, Blunier, T, Edwards, R, Mayewski, P, Kipfstuhl, S, Buizert, C, Canessa, S, Dadic, R, Kjær, H, Kurbatov, A, Zhang, D, Waddington, E, Baccolo, G, Beers, T, Brightley, H, Carter, L, Clemens-Sewall, D, Ciobanu, V, Delmonte, B, Eling, L, Ellis, A, Ganesh, S, Golledge, N, Haines, S, Handley, M, Hawley, R, Hogan, C, Johnson, K, Korotkikh, E, Lowry, D, Mandeno, D, Mckay, R, Menking, J, Naish, T, Noerling, C, Ollive, A, Orsi, A, Proemse, B, Pyne, A, Pyne, R, Renwick, J, Scherer, R, Semper, S, Simonsen, M, Sneed, S, Steig, E, Tuohy, A, Ulayottil Venugopal, A, Valero-Delgado, F, Venkatesh, J, Wang, F, Wang, S, Winski, D, Holly, W, Whiteford, A, Xiao, C, Yang, J, Zhang, X, Bertler, Nancy A. N., Conway, Howard, Dahl-Jensen, Dorthe, Emanuelsson, Daniel B., Winstrup, Mai, Vallelonga, Paul T., Lee, James E., Brook, Ed J., Severinghaus, Jeffrey P., Fudge, Taylor J., Keller, Elizabeth D., Troy Baisden, W., Hindmarsh, Richard C. A., Neff, Peter D., Blunier, Thomas, Edwards, Ross, Mayewski, Paul A., Kipfstuhl, Sepp, Buizert, Christo, Canessa, Silvia, Dadic, Ruzica, Kjær, Helle A., Kurbatov, Andrei, Zhang, Dongqi, Waddington, Edwin D., Baccolo, Giovanni, Beers, Thomas, Brightley, Hannah J., Carter, Lionel, Clemens-Sewall, David, Ciobanu, Viorela G., Delmonte, Barbara, Eling, Lukas, Ellis, Aja, Ganesh, Shruthi, Golledge, Nicholas R., Haines, Skylar, Handley, Michael, Hawley, Robert L., Hogan, Chad M., Johnson, Katelyn M., Korotkikh, Elena, Lowry, Daniel P., Mandeno, Darcy, McKay, Robert M., Menking, James A., Naish, Timothy R., Noerling, Caroline, Ollive, Agathe, Orsi, Anaïs, Proemse, Bernadette C., Pyne, Alexander R., Pyne, Rebecca L., Renwick, James, Scherer, Reed P., Semper, Stefanie, Simonsen, Marius, Sneed, Sharon B., Steig, Eric J., Tuohy, Andrea, Ulayottil Venugopal, Abhijith, Valero-Delgado, Fernando, Venkatesh, Janani, Wang, Feitang, Wang, Shimeng, Winski, Dominic A., Holly, Winton, Whiteford, Arran, Xiao, Cunde, Yang, Jiao, and Zhang, Xin

Abstract

High-resolution, well-dated climate archives provide an opportunity to investigate the dynamic interactions of climate patterns relevant for future projections. Here, we present data from a new, annually dated ice core record from the eastern Ross Sea, named the Roosevelt Island Climate Evolution (RICE) ice core. Comparison of this record with climate reanalysis data for the 1979-2012 interval shows that RICE reliably captures temperature and snow precipitation variability in the region. Trends over the past 2700 years in RICE are shown to be distinct from those in West Antarctica and the western Ross Sea captured by other ice cores. For most of this interval, the eastern Ross Sea was warming (or showing isotopic enrichment for other reasons), with increased snow accumulation and perhaps decreased sea ice concentration. However, West Antarctica cooled and the western Ross Sea showed no significant isotope temperature trend. This pattern here is referred to as the Ross Sea Dipole. Notably, during the Little Ice Age, West Antarctica and the western Ross Sea experienced colder than average temperatures, while the eastern Ross Sea underwent a period of warming or increased isotopic enrichment. From the 17th century onwards, this dipole relationship changed. All three regions show current warming, with snow accumulation declining in West Antarctica and the eastern Ross Sea but increasing in the western Ross Sea. We interpret this pattern as reflecting an increase in sea ice in the eastern Ross Sea with perhaps the establishment of a modern Roosevelt Island polynya as a local moisture source for RICE

Published
2018

16. The Ross Sea Dipole - temperature, snow accumulation and sea ice variability in the Ross Sea region, Antarctica, over the past 2700 Years

Author

Bertler, Nancy A.N., Conway, Howard, Dahl-Jensen, Dorthe, Emanuelsson, Daniel B., Winstrup, Mai, Vallelonga, Paul T., Lee, James E., Brook, Ed J., Severinghaus, Jeffrey P., Fudge, Taylor J., Keller, Elizabeth D., Baisden, W. Troy, Hindmarsh, Richard C.A., Neff, Peter D., Blunier, Thomas, Edwards, Ross, Mayewski, Paul A., Kipfstuhl, Sepp, Buizert, Christo, Canessa, Silvia, Dadic, Ruzica, Kjær, Helle A., Kurbatov, Andrei, Zhang, Dongqi, Waddington, Ed D., Baccolo, Giovanni, Beers, Thomas, Brightley, Hannah J., Carter, Lionel, Clemens-Sewall, David, Ciobanu, Viorela G., Delmonte, Barbara, Eling, Lukas, Ellis, Aja A., Ganesh, Shruthi, Golledge, Nicholas R., Haines, Skylar A., Handley, Michael, Hawley, Robert L., Hogan, Chad M., Johnson, Katelyn M., Korotkikh, Elena, Lowry, Daniel P., Mandeno, Darcy, McKay, Robert M., Menking, James A., Naish, Timothy R., Noerling, Caroline, Ollive, Agathe, Orsi, Anaïs, Proemse, Bernadette C., Pyne, Alexander R., Pyne, Rebecca L., Renwick, James, Scherer, Reed P., Semper, Stefanie, Simonsen, Marius, Sneed, Sharon B., Steig, Eric J., Tuohy, Andrea, Ulayottil Venugopal, Abhijith, Valero-Delgado, Fernando, Venkatesh, Janani, Wang, Feitang, Wang, Shimeng, Winski, Dominic A., Winton, Victoria H.L., Whiteford, Arran, Xiao, Cunde, Yang, Jiao, Zhang, Xin, Bertler, Nancy A.N., Conway, Howard, Dahl-Jensen, Dorthe, Emanuelsson, Daniel B., Winstrup, Mai, Vallelonga, Paul T., Lee, James E., Brook, Ed J., Severinghaus, Jeffrey P., Fudge, Taylor J., Keller, Elizabeth D., Baisden, W. Troy, Hindmarsh, Richard C.A., Neff, Peter D., Blunier, Thomas, Edwards, Ross, Mayewski, Paul A., Kipfstuhl, Sepp, Buizert, Christo, Canessa, Silvia, Dadic, Ruzica, Kjær, Helle A., Kurbatov, Andrei, Zhang, Dongqi, Waddington, Ed D., Baccolo, Giovanni, Beers, Thomas, Brightley, Hannah J., Carter, Lionel, Clemens-Sewall, David, Ciobanu, Viorela G., Delmonte, Barbara, Eling, Lukas, Ellis, Aja A., Ganesh, Shruthi, Golledge, Nicholas R., Haines, Skylar A., Handley, Michael, Hawley, Robert L., Hogan, Chad M., Johnson, Katelyn M., Korotkikh, Elena, Lowry, Daniel P., Mandeno, Darcy, McKay, Robert M., Menking, James A., Naish, Timothy R., Noerling, Caroline, Ollive, Agathe, Orsi, Anaïs, Proemse, Bernadette C., Pyne, Alexander R., Pyne, Rebecca L., Renwick, James, Scherer, Reed P., Semper, Stefanie, Simonsen, Marius, Sneed, Sharon B., Steig, Eric J., Tuohy, Andrea, Ulayottil Venugopal, Abhijith, Valero-Delgado, Fernando, Venkatesh, Janani, Wang, Feitang, Wang, Shimeng, Winski, Dominic A., Winton, Victoria H.L., Whiteford, Arran, Xiao, Cunde, Yang, Jiao, and Zhang, Xin

Abstract

High-resolution, well-dated climate archives provide an opportunity to investigate the dynamic interactions of climate patterns relevant for future projections. Here, we present data from a new, annually-dated ice core record from the eastern Ross Sea. Comparison of the Roosevelt Island Climate Evolution (RICE) ice core records with climate reanalysis data for the 1979–2012 calibration period shows that RICE records reliably capture temperature and snow precipitation variability of the region. RICE is compared with data from West Antarctica (West Antarctic Ice Sheet Divide Ice Core) and the western (Talos Dome) and eastern (Siple Dome) Ross Sea. For most of the past 2,700 years, the eastern Ross Sea was warming with perhaps increased snow accumulation and decreased sea ice extent. However, West Antarctica cooled whereas the western Ross Sea showed no significant temperature trend. From the 17th Century onwards, this relationship changes. All three regions now show signs of warming, with snow accumulation declining in West Antarctica and the eastern Ross Sea, but increasing in the western Ross Sea. Analysis of decadal to centennial-scale climate variability superimposed on the longer term trend reveal that periods characterised by opposing temperature trends between the Eastern and Western Ross Sea have occurred since the 3rd Century but are masked by longer-term trends. This pattern here is referred to as the Ross Sea Dipole, caused by a sensitive response of the region to dynamic interactions of the Southern Annual Mode and tropical forcings.

Published
2018

17. The Ross Sea Dipole - temperature, snow accumulation and sea ice variability in the Ross Sea region, Antarctica, over the past 2700 years

Author

Bertler, Nancy A. N., Conway, Howard, Dahl-Jensen, Dorthe, Emanuelsson, Daniel B., Winstrup, Mai, Vallelonga, Paul T., Lee, James E., Brook, Ed J., Severinghaus, Jeffrey P., Fudge, Taylor J., Keller, Elizabeth D., Baisden, W. Troy, Hindmarsh, Richard C. A., Neff, Peter D., Blunier, Thomas, Edwards, Ross, Mayewski, Paul A., Kipfstuhl, Sepp, Buizert, Christo, Canessa, Silvia, Dadic, Ruzica, Kjaer, Helle A., Kurbatov, Andrei, Zhang, Dongqi, Waddington, Edwin D., Baccolo, Giovanni, Beers, Thomas, Brightley, Hannah J., Carter, Lionel, Clemens-Sewall, David, Ciobanu, Viorela G., Delmonte, Barbara, Eling, Lukas, Ellis, Aja, Ganesh, Shruthi, Golledge, Nicholas R., Haines, Skylar, Handley, Michael, Hawley, Robert L., Hogan, Chad M., Johnson, Katelyn M., Korotkikh, Elena, Lowry, Daniel P., Mandeno, Darcy, McKay, Robert M., Menking, James A., Naish, Timothy R., Noerling, Caroline, Simonsen, Marius, Wang, Shimeng, Bertler, Nancy A. N., Conway, Howard, Dahl-Jensen, Dorthe, Emanuelsson, Daniel B., Winstrup, Mai, Vallelonga, Paul T., Lee, James E., Brook, Ed J., Severinghaus, Jeffrey P., Fudge, Taylor J., Keller, Elizabeth D., Baisden, W. Troy, Hindmarsh, Richard C. A., Neff, Peter D., Blunier, Thomas, Edwards, Ross, Mayewski, Paul A., Kipfstuhl, Sepp, Buizert, Christo, Canessa, Silvia, Dadic, Ruzica, Kjaer, Helle A., Kurbatov, Andrei, Zhang, Dongqi, Waddington, Edwin D., Baccolo, Giovanni, Beers, Thomas, Brightley, Hannah J., Carter, Lionel, Clemens-Sewall, David, Ciobanu, Viorela G., Delmonte, Barbara, Eling, Lukas, Ellis, Aja, Ganesh, Shruthi, Golledge, Nicholas R., Haines, Skylar, Handley, Michael, Hawley, Robert L., Hogan, Chad M., Johnson, Katelyn M., Korotkikh, Elena, Lowry, Daniel P., Mandeno, Darcy, McKay, Robert M., Menking, James A., Naish, Timothy R., Noerling, Caroline, Simonsen, Marius, and Wang, Shimeng

Published
2018

18. Impact of Ultralow Sulfur Diesel (ULSD) Waiver on Air Quality in Puerto Rico in the Aftermath of Hurricane Maria: A Case Study on the Use of Lower-Cost Air Quality Monitors

Author

Ramachandran, Subramanian, primary, Ellis, Aja, primary, Torres-Delgado, Elvis, primary, Tanzer, Rebecca, primary, Malings, Carl, primary, Rivera, Felipe, primary, Morales, Maité, primary, Baumgardner, Darrel, primary, Presto, Albert, primary, and Mayol-Bracero, Olga L., primary

Published
2018
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19. Supplementary material to "A 2700-year annual timescale and accumulation history for an ice core from Roosevelt Island, West Antarctica"

Author

Winstrup, Mai, primary, Vallelonga, Paul, additional, Kjær, Helle A., additional, Fudge, Tyler J., additional, Lee, James E., additional, Riis, Marie H., additional, Edwards, Ross, additional, Bertler, Nancy A. N., additional, Blunier, Thomas, additional, Brook, Ed J., additional, Buizert, Christo, additional, Ciobanu, Gabriela, additional, Conway, Howard, additional, Dahl-Jensen, Dorthe, additional, Ellis, Aja, additional, Emanuelsson, B. Daniel, additional, Keller, Elizabeth D., additional, Kurbatov, Andrei, additional, Mayewski, Paul, additional, Neff, Peter D., additional, Pyne, Rebecca, additional, Simonsen, Marius F., additional, Svensson, Anders, additional, Tuohy, Andrea, additional, Waddington, Ed, additional, and Wheatley, Sarah, additional

Published
2017
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20. A 2700-year annual timescale and accumulation history for an ice core from Roosevelt Island, West Antarctica

Author

Winstrup, Mai, primary, Vallelonga, Paul, additional, Kjær, Helle A., additional, Fudge, Tyler J., additional, Lee, James E., additional, Riis, Marie H., additional, Edwards, Ross, additional, Bertler, Nancy A. N., additional, Blunier, Thomas, additional, Brook, Ed J., additional, Buizert, Christo, additional, Ciobanu, Gabriela, additional, Conway, Howard, additional, Dahl-Jensen, Dorthe, additional, Ellis, Aja, additional, Emanuelsson, B. Daniel, additional, Keller, Elizabeth D., additional, Kurbatov, Andrei, additional, Mayewski, Paul, additional, Neff, Peter D., additional, Pyne, Rebecca, additional, Simonsen, Marius F., additional, Svensson, Anders, additional, Tuohy, Andrea, additional, Waddington, Ed, additional, and Wheatley, Sarah, additional

Published
2017
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21. The Ross Sea Dipole – Temperature, Snow Accumulation and Sea Ice Variability in the Ross Sea Region, Antarctica, over the Past 2,700 Years

Author

Bertler, Nancy A. N., primary, Conway, Howard, additional, Dahl-Jensen, Dorthe, additional, Emanuelsson, Daniel B., additional, Winstrup, Mai, additional, Vallelonga, Paul T., additional, Lee, James E., additional, Brook, Ed J., additional, Severinghaus, Jeffrey P., additional, Fudge, Taylor J., additional, Keller, Elizabeth D., additional, Baisden, W. Troy, additional, Hindmarsh, Richard C. A., additional, Neff, Peter D., additional, Blunier, Thomas, additional, Edwards, Ross, additional, Mayewski, Paul A., additional, Kipfstuhl, Sepp, additional, Buizert, Christo, additional, Canessa, Silvia, additional, Dadic, Ruzica, additional, Kjær, Helle A., additional, Kurbatov, Andrei, additional, Zhang, Dongqi, additional, Waddington, Ed D., additional, Baccolo, Giovanni, additional, Beers, Thomas, additional, Brightley, Hannah J., additional, Carter, Lionel, additional, Clemens-Sewall, David, additional, Ciobanu, Viorela G., additional, Delmonte, Barbara, additional, Eling, Lukas, additional, Ellis, Aja A., additional, Ganesh, Shruthi, additional, Golledge, Nicholas R., additional, Haines, Skylar A., additional, Handley, Michael, additional, Hawley, Robert L., additional, Hogan, Chad M., additional, Johnson, Katelyn M., additional, Korotkikh, Elena, additional, Lowry, Daniel P., additional, Mandeno, Darcy, additional, McKay, Robert M., additional, Menking, James A., additional, Naish, Timothy R., additional, Noerling, Caroline, additional, Ollive, Agathe, additional, Orsi, Anaïs, additional, Proemse, Bernadette C., additional, Pyne, Alexander R., additional, Pyne, Rebecca L., additional, Renwick, James, additional, Scherer, Reed P., additional, Semper, Stefanie, additional, Simonsen, Marius, additional, Sneed, Sharon B., additional, Steig, Eric J., additional, Tuohy, Andrea, additional, Ulayottil Venugopal, Abhijith, additional, Valero-Delgado, Fernando, additional, Venkatesh, Janani, additional, Wang, Feitang, additional, Wang, Shimeng, additional, Winski, Dominic A., additional, Winton, Victoria H. L., additional, Whiteford, Arran, additional, Xiao, Cunde, additional, Yang, Jiao, additional, and Zhang, Xin, additional

Published
2017
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22. The Ross Sea Dipole – Temperature, Snow Accumulation and Sea Ice Variability in the Ross Sea Region, Antarctica, over the Past 2,700 Years

Author

Bertler, Nancy A. N., Conway, Howard, Dahl-Jensen, Dorthe, Emanuelsson, Daniel B., Winstrup, Mai, Vallelonga, Paul T., Lee, James E., Brook, Ed J., Severinghaus, Jeffrey P., Fudge, Taylor J., Keller, Elizabeth D., Baisden, W. Troy, Hindmarsh, Richard C. A., Neff, Peter D., Blunier, Thomas, Edwards, Ross, Mayewski, Paul A., Kipfstuhl, Sepp, Buizert, Christo, Canessa, Silvia, Dadic, Ruzica, Kjær, Helle A., Kurbatov, Andrei, Zhang, Dongqi, Waddington, Ed D., Baccolo, Giovanni, Beers, Thomas, Brightley, Hannah J., Carter, Lionel, Clemens-Sewall, David, Ciobanu, Viorela G., Delmonte, Barbara, Eling, Lukas, Ellis, Aja A., Ganesh, Shruthi, Golledge, Nicholas R., Haines, Skylar A., Handley, Michael, Hawley, Robert L., Hogan, Chad M., Johnson, Katelyn M., Korotkikh, Elena, Lowry, Daniel P., Mandeno, Darcy, McKay, Robert M., Menking, James A., Naish, Timothy R., Noerling, Caroline, Ollive, Agathe, Orsi, Anaïs, Proemse, Bernadette C., Pyne, Alexander R., Pyne, Rebecca L., Renwick, James, Scherer, Reed P., Semper, Stefanie, Simonsen, Marius, Sneed, Sharon B., Steig, Eric J., Tuohy, Andrea, Venugopal, Abhijith Ulayottil, Valero-Delgado, Fernando, Venkatesh, Janani, Wang, Feitang, Wang, Shimeng, Winski, Dominic A., Winton, Victoria H. L., Whiteford, Arran, Xiao, Cunde, Yang, Jiao, Zhang, Xin, Bertler, Nancy A. N., Conway, Howard, Dahl-Jensen, Dorthe, Emanuelsson, Daniel B., Winstrup, Mai, Vallelonga, Paul T., Lee, James E., Brook, Ed J., Severinghaus, Jeffrey P., Fudge, Taylor J., Keller, Elizabeth D., Baisden, W. Troy, Hindmarsh, Richard C. A., Neff, Peter D., Blunier, Thomas, Edwards, Ross, Mayewski, Paul A., Kipfstuhl, Sepp, Buizert, Christo, Canessa, Silvia, Dadic, Ruzica, Kjær, Helle A., Kurbatov, Andrei, Zhang, Dongqi, Waddington, Ed D., Baccolo, Giovanni, Beers, Thomas, Brightley, Hannah J., Carter, Lionel, Clemens-Sewall, David, Ciobanu, Viorela G., Delmonte, Barbara, Eling, Lukas, Ellis, Aja A., Ganesh, Shruthi, Golledge, Nicholas R., Haines, Skylar A., Handley, Michael, Hawley, Robert L., Hogan, Chad M., Johnson, Katelyn M., Korotkikh, Elena, Lowry, Daniel P., Mandeno, Darcy, McKay, Robert M., Menking, James A., Naish, Timothy R., Noerling, Caroline, Ollive, Agathe, Orsi, Anaïs, Proemse, Bernadette C., Pyne, Alexander R., Pyne, Rebecca L., Renwick, James, Scherer, Reed P., Semper, Stefanie, Simonsen, Marius, Sneed, Sharon B., Steig, Eric J., Tuohy, Andrea, Venugopal, Abhijith Ulayottil, Valero-Delgado, Fernando, Venkatesh, Janani, Wang, Feitang, Wang, Shimeng, Winski, Dominic A., Winton, Victoria H. L., Whiteford, Arran, Xiao, Cunde, Yang, Jiao, and Zhang, Xin

Published
2017

23. History and characterization of atmospheric black carbon in the Anthropocene

Author

Ellis, Aja Anne and Ellis, Aja Anne

Abstract

Black carbon aerosols (BC) from incomplete combustion have substantial effects on the atmosphere and climate, but climate forecasting is poorly constrained due to uncertainties in atmospheric lifetime and removal rates. Herein, we detail the recent history, characteristics, and composition of BC deposited in rain from Australia and ice cores from Antarctica. Results show new complex particle characteristics and an increase in BC in West Antarctica driven by changing emissions and atmospheric transport conditions.

Published
2017

24. Individual particle morphology, coatings, and impurities of black carbon aerosols in Antarctic ice and tropical rainfall

Author

Ellis, Aja, Edwards, Ross, Saunders, Martin, Chakrabarty, Rajan K., Subramanian, R., Timms, Nicholas E., van Riessen, Arie, Smith, Andrew M., Lambrinidis, Dionisia, Nunes, Laurie J., Vallelonga, Paul, Goodwin, Ian D., Moy, Andrew D., Curran, Mark A. J., van Ommen, Tas D., Ellis, Aja, Edwards, Ross, Saunders, Martin, Chakrabarty, Rajan K., Subramanian, R., Timms, Nicholas E., van Riessen, Arie, Smith, Andrew M., Lambrinidis, Dionisia, Nunes, Laurie J., Vallelonga, Paul, Goodwin, Ian D., Moy, Andrew D., Curran, Mark A. J., and van Ommen, Tas D.

Published
2016

25. Individual particle morphology, coatings, and impurities of black carbon aerosols in Antarctic ice and tropical rainfall

Author

Ellis, Aja, primary, Edwards, Ross, additional, Saunders, Martin, additional, Chakrabarty, Rajan K., additional, Subramanian, R., additional, Timms, Nicholas E., additional, Riessen, Arie, additional, Smith, Andrew M., additional, Lambrinidis, Dionisia, additional, Nunes, Laurie J., additional, Vallelonga, Paul, additional, Goodwin, Ian D., additional, Moy, Andrew D., additional, Curran, Mark A. J., additional, and Ommen, Tas D., additional

Published
2016
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26. A 2700-year annual timescale and accumulation history for an ice core from Roosevelt Island, West Antarctica.

Author

Winstrup, Mai, Vallelonga, Paul, Kjær, Helle A., Fudge, Tyler J., Lee, James E., Riis, Marie H., Edwards, Ross, Bertler, Nancy A. N., Blunier, Thomas, Brook, Ed J., Buizert, Christo, Ciobanu, Gabriela, Conway, Howard, Dahl-Jensen, Dorthe, Ellis, Aja, Daniel Emanuelsson, B., Keller, Elizabeth D., Kurbatov, Andrei, Mayewski, Paul, and Neff, Peter D.

Abstract

We present a 2700-year annually resolved timescale for the Roosevelt Island Climate Evolution (RICE) ice core, and reconstruct a past snow accumulation history for the coastal sector of the Ross Ice Shelf in West Antarctica. The timescale was constructed by identifying annual layers in multiple ice-core impurity records, employing both manual and automated counting approaches, and constitutes the top part of the Roosevelt Island Ice Core Chronology 2017 (RICE17). The maritime setting of Roosevelt Island results in high sulfate influx from sea salts and marine biogenic emissions, which prohibits a routine detection of volcanic eruptions in the ice-core records. This led to the use of non-traditional chronological techniques for validating the timescale: RICE was synchronized to the WAIS Divide ice core, on the WD2014 timescale, using volcanic attribution based on direct measurements of ice-core acidity, as well as records of globally-synchronous, centennial-scale variability in atmospheric methane concentrations. The RICE accumulation history suggests stable values of 0.25m water equivalent (w.e.) per year until around 1260CE. Uncertainties in the correction for ice flow thinning of annual layers with depth do not allow a firm conclusion about long-term trends in accumulation rates during this early period but from 1260CE to the present, accumulation rate trends have been consistently negative. The decrease in accumulation rates has been increasingly rapid over the last centuries, with the decrease since 1950 CE being more than 7 times greater than the average over the last 300 years. The current accumulation rate of 0.22±0.06mw.e.yr-1 (average since 1950CE, ±1σ) is 1.49 standard deviations (86th percentile) below the mean of 50-year average accumulation rates observed over the last 2700 years. [ABSTRACT FROM AUTHOR]

Published
2017
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27. Thank You to Our 2019 Reviewers.

Author

East, Amy E., Finnegan, Noah Joseph, Hoitink, A. J. F. (Ton), and Sergienko, Olga V.

Subjects
SURFACE of the earth, MANUSCRIPTS, SCIENTIFIC community, PERIODICALS
Abstract

During 2019, the Journal of Geophysical Research‐Earth Surface handled a record‐high number of submitted manuscripts. Managing these in order to deliver the highest‐quality published science relies, of course, on obtaining quality peer review. We all recognize the demand that this places on the reviewers' time, especially as members of the Earth surface scientific community receive ever increasing numbers of requests to review manuscripts for many journals. The editors wish to extend our sincere thanks to all the 674 reviewers who volunteered their time to provide 962 reviews for JGR‐Earth Surface in 2019. We certainly appreciate the time and effort that these reviewers have put into writing insightful, constructive review comments, an essential part of moving the science forward. Key Point: The Editors thank the 2019 peer reviewers [ABSTRACT FROM AUTHOR]

Published
2020
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30. Next

Author

Michael Crichton and Michael Crichton

Subjects
Genetics--Fiction
Abstract

El autor de Estado de miedo nos sumerge en un inquietante thriller sobre el lado oscuro de la ingeniería genética. Chimpancé parlante en Java. Un grupo de turistas japoneses confirma que un chimpancé los insultó a gritos cuando visitaban una zona selvática. Next Científicos identifican el gen de la autoridad. Se descubre la base genética que comparten las personas que se convierten en líderes. Next Mascotas transgénicas a la venta. Cucarachas gigantes, cachorros que no crecen... En poco tiempo estarán disponibles para todos. Next Bienvenidos a nuestro mundo genético. Rápido, furioso, fuera de control. No es el mundo del futuro, es el mundo de ahora mismo. Reseña: «Escalofriante.» The Washington Post

Published
2022

31. Protestant Bible Scholarship: Antisemitism, Philosemitism and Anti-Judaism

Author

Arjen F. Bakker, René Bloch, Yael Fisch, Paula Fredriksen, Hindy Najman, Arjen F. Bakker, René Bloch, Yael Fisch, Paula Fredriksen, and Hindy Najman

Subjects
Bible--Criticism, interpretation, etc.--Histor, Protestant churches--Doctrines--History, Protestant churches--Relations--Judaism, Christianity and antisemitism--Protestant church, Philosemitism
Abstract

Published in Open Access with the support of the Swiss National Science Foundation Historical criticism of the Bible emerged in the context of protestant theology and is confronted in every aspect of its study with otherness: the Jewish people and their writings. However, despite some important exceptions, there has been little sustained reflection on the ways in which scholarship has engaged, and continues to engage, its most significant Other. This volume offers reflections on anti-Semitism, philo-Semitism and anti-Judaism in biblical scholarship from the 19th century to the present. The essays in this volume reflect on the past and prepare a pathway for future scholarship that is mindful of its susceptibility to violence and hatred.

Published
2022

32. Monumenta virtutum titulique : Senatorische Selbstdarstellung im spätantiken Rom im Spiegel der epigraphischen Denkmäler

Author

Heike Niquet and Heike Niquet

Abstract

Antike Monumente und ihre Inschriften dienten seit der Etablierung öffentlicher Ehrenmonumente in der mittleren Republik als wichtige, unmittelbare Medien der Selbstdarstellung. Die vorliegende, der senatorischen Selbstdarstellung im spätantiken Rom gewidmete Monographie verbindet Archäologie, Althistorie und Epigraphik. Von den erhaltenen Denkmälern und Inschriften her untersucht sie die Rahmenbedingungen der statuarischen Ehrung, das Erscheinungsbild der Monumente und den epigraphic habit der Spätzeit. Spiegel von Kontinuität und Wandel senatorischer Wertvorstellungen, werfen die epigraphischen Denkmäler zugleich Licht auf die Hierarchien innerhalb der Senatsaristokratie, auf die Entfaltungsmöglichkeiten des Einzelnen, die religiöse Entwicklung und das wachsende Desinteresse der Kaiser an Rom, das die Senatoren zu katalysieren suchten.

Published
2020

33. Eastern Medieval Architecture : The Building Traditions of Byzantium and Neighboring Lands

Author

Robert G. Ousterhout and Robert G. Ousterhout

Subjects
Architecture--Mediterranean Region--History--To 1500, Architecture, Byzantine, Architecture, Medieval--Mediterranean Region, Architecture, Medieval--Europe, Eastern
Abstract

Aside from Hagia Sophia, the monuments of the Byzantine East are poorly understood today. This is in sharp contrast to the well-known architectural marvels of Western Europeâs Middle Ages. In this landmark survey, distinguished art historian Robert Ousterhout introduces readers to the rich and diverse architectural traditions of the medieval Eastern Mediterranean. The focus of the book is the Byzantine (or East Roman) Empire (324-1453 CE), with its capital in Constantinople, although the framework expands chronologically to include the foundations of Christian architecture in Late Antiquity and the legacy of Byzantine culture after the fall of Constantinople in 1453. Geographically broad as well, this study includes architectural developments in areas of Italy, the Caucasus, the Near East, the Balkans, and Russia, as well as related developments in early Islamic architecture. Alternating chapters that address chronological or regionally-based developments with thematic studies that focus on the larger cultural concerns, the book presents the architectural developments in a way that makes them accessible, interesting, and intellectually stimulating. In doing so, it also explains why medieval architecture in the East followed such a different trajectory from that of the West. Lavishly illustrated with hundreds of color photographs, maps, and line drawings, Eastern Medieval Architecture will establish Byzantine traditions to be as significant and admirable as those more familiar examples in Western Europe, and serve as an invaluable resource for anyone interested in architectural history, Byzantium, and the Middle Ages.

Published
2019

34. Capsule reviews of feature films

Subjects
Accountants, Violence, Business, General interest, Business, regional
Abstract

THE ACCOUNTANT. 3 stars. Crime thriller specialist Gavin O'Connor ('Hope and Glory'), delivers a slick, well-paced actioner based on the most ludicrous premise. Ben Affleck stars as an autistic accountant [...]

Published
2016

37. September 27 is National Voter Registration Day 2016

Subjects
Viacom Media Networks -- Officials and employees, Cable television broadcasting industry -- Officials and employees, Suffrage, Voter registration, Voting, Business, general, Twitter (Online social network)
Abstract

NEW YORK, NY (PRWEB) September 27, 2016 WHAT: Starting at 8:30am ET on Tuesday, September 27, 2016, National Voter Registration Day will kick off with an event at Twitter's headquarters [...]

Published
2016

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