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Historical surface mass balance from a frequency-modulated continuous-wave (FMCW) radar survey from Zhongshan station to Dome A
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| Zeitschriftentitel: | Journal of Glaciology |
|---|---|
| Personen und Körperschaften: | , , , , , , , , , , , , |
| In: | Journal of Glaciology, 66, 2020, 260, S. 965-977 |
| Format: | E-Article |
| Sprache: | Englisch |
| veröffentlicht: |
Cambridge University Press (CUP)
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| Schlagwörter: |
| author_facet |
Guo, Jingxue Yang, Wangxiao Dou, Yinke Tang, Xueyuan Greenbaum, Jamin S. Dou, Ruofan Pan, Yao Zhang, Yuzhong Ding, Minghu Jiang, Su Shi, Guitao Cui, Xiangbin Sun, Bo Guo, Jingxue Yang, Wangxiao Dou, Yinke Tang, Xueyuan Greenbaum, Jamin S. Dou, Ruofan Pan, Yao Zhang, Yuzhong Ding, Minghu Jiang, Su Shi, Guitao Cui, Xiangbin Sun, Bo |
|---|---|
| author |
Guo, Jingxue Yang, Wangxiao Dou, Yinke Tang, Xueyuan Greenbaum, Jamin S. Dou, Ruofan Pan, Yao Zhang, Yuzhong Ding, Minghu Jiang, Su Shi, Guitao Cui, Xiangbin Sun, Bo |
| spellingShingle |
Guo, Jingxue Yang, Wangxiao Dou, Yinke Tang, Xueyuan Greenbaum, Jamin S. Dou, Ruofan Pan, Yao Zhang, Yuzhong Ding, Minghu Jiang, Su Shi, Guitao Cui, Xiangbin Sun, Bo Journal of Glaciology Historical surface mass balance from a frequency-modulated continuous-wave (FMCW) radar survey from Zhongshan station to Dome A Earth-Surface Processes |
| author_sort |
guo, jingxue |
| spelling |
Guo, Jingxue Yang, Wangxiao Dou, Yinke Tang, Xueyuan Greenbaum, Jamin S. Dou, Ruofan Pan, Yao Zhang, Yuzhong Ding, Minghu Jiang, Su Shi, Guitao Cui, Xiangbin Sun, Bo 0022-1430 1727-5652 Cambridge University Press (CUP) Earth-Surface Processes http://dx.doi.org/10.1017/jog.2020.58 <jats:title>Abstract</jats:title><jats:p>Using frequency-modulated continuous wave radar data from the 32nd Chinese Antarctic Research Expedition in 2015/16, subsurface profiles were obtained along an East Antarctic inland traverse from Zhongshan station to Dome A, and four distinct regions were selected to analyze the spatiotemporal variability in historical surface mass balance (SMB). Based on depth, density, and age data from ice cores along the traverse, the radar data were calibrated to yield average SMB data. The zone 49–195 km from the coast has the highest SMB (235 kg m<jats:sup>−2</jats:sup>a<jats:sup>−1</jats:sup>). The 780–892 km zone was most affected by the Medieval Warm Period and the Little Ice Age, and the SMB during<jats:sc>ad</jats:sc>1454–1836 (71 kg m<jats:sup>−2</jats:sup>a<jats:sup>−1</jats:sup>) was only one-quarter of that in the 20th century. The SMB in the 1080–1157 km zone fluctuates the most, possibly due to erosion or irregular deposition of snow by katabatic winds in low SMB areas with surface elevation fluctuations. Dome A (1157–1236 km) has the lowest SMB (29 kg m<jats:sup>−2</jats:sup>a<jats:sup>−1</jats:sup>) and did not decrease during Little Ice Age. Understanding the spatiotemporal variability of SMB in a larger space can help us understand the complex climate history of Antarctica.</jats:p> Historical surface mass balance from a frequency-modulated continuous-wave (FMCW) radar survey from Zhongshan station to Dome A Journal of Glaciology |
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| title |
Historical surface mass balance from a frequency-modulated continuous-wave (FMCW) radar survey from Zhongshan station to Dome A |
| title_unstemmed |
Historical surface mass balance from a frequency-modulated continuous-wave (FMCW) radar survey from Zhongshan station to Dome A |
| title_full |
Historical surface mass balance from a frequency-modulated continuous-wave (FMCW) radar survey from Zhongshan station to Dome A |
| title_fullStr |
Historical surface mass balance from a frequency-modulated continuous-wave (FMCW) radar survey from Zhongshan station to Dome A |
| title_full_unstemmed |
Historical surface mass balance from a frequency-modulated continuous-wave (FMCW) radar survey from Zhongshan station to Dome A |
| title_short |
Historical surface mass balance from a frequency-modulated continuous-wave (FMCW) radar survey from Zhongshan station to Dome A |
| title_sort |
historical surface mass balance from a frequency-modulated continuous-wave (fmcw) radar survey from zhongshan station to dome a |
| topic |
Earth-Surface Processes |
| url |
http://dx.doi.org/10.1017/jog.2020.58 |
| publishDate |
2020 |
| physical |
965-977 |
| description |
<jats:title>Abstract</jats:title><jats:p>Using frequency-modulated continuous wave radar data from the 32nd Chinese Antarctic Research Expedition in 2015/16, subsurface profiles were obtained along an East Antarctic inland traverse from Zhongshan station to Dome A, and four distinct regions were selected to analyze the spatiotemporal variability in historical surface mass balance (SMB). Based on depth, density, and age data from ice cores along the traverse, the radar data were calibrated to yield average SMB data. The zone 49–195 km from the coast has the highest SMB (235 kg m<jats:sup>−2</jats:sup>a<jats:sup>−1</jats:sup>). The 780–892 km zone was most affected by the Medieval Warm Period and the Little Ice Age, and the SMB during<jats:sc>ad</jats:sc>1454–1836 (71 kg m<jats:sup>−2</jats:sup>a<jats:sup>−1</jats:sup>) was only one-quarter of that in the 20th century. The SMB in the 1080–1157 km zone fluctuates the most, possibly due to erosion or irregular deposition of snow by katabatic winds in low SMB areas with surface elevation fluctuations. Dome A (1157–1236 km) has the lowest SMB (29 kg m<jats:sup>−2</jats:sup>a<jats:sup>−1</jats:sup>) and did not decrease during Little Ice Age. Understanding the spatiotemporal variability of SMB in a larger space can help us understand the complex climate history of Antarctica.</jats:p> |
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| description | <jats:title>Abstract</jats:title><jats:p>Using frequency-modulated continuous wave radar data from the 32nd Chinese Antarctic Research Expedition in 2015/16, subsurface profiles were obtained along an East Antarctic inland traverse from Zhongshan station to Dome A, and four distinct regions were selected to analyze the spatiotemporal variability in historical surface mass balance (SMB). Based on depth, density, and age data from ice cores along the traverse, the radar data were calibrated to yield average SMB data. The zone 49–195 km from the coast has the highest SMB (235 kg m<jats:sup>−2</jats:sup>a<jats:sup>−1</jats:sup>). The 780–892 km zone was most affected by the Medieval Warm Period and the Little Ice Age, and the SMB during<jats:sc>ad</jats:sc>1454–1836 (71 kg m<jats:sup>−2</jats:sup>a<jats:sup>−1</jats:sup>) was only one-quarter of that in the 20th century. The SMB in the 1080–1157 km zone fluctuates the most, possibly due to erosion or irregular deposition of snow by katabatic winds in low SMB areas with surface elevation fluctuations. Dome A (1157–1236 km) has the lowest SMB (29 kg m<jats:sup>−2</jats:sup>a<jats:sup>−1</jats:sup>) and did not decrease during Little Ice Age. Understanding the spatiotemporal variability of SMB in a larger space can help us understand the complex climate history of Antarctica.</jats:p> |
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| spelling | Guo, Jingxue Yang, Wangxiao Dou, Yinke Tang, Xueyuan Greenbaum, Jamin S. Dou, Ruofan Pan, Yao Zhang, Yuzhong Ding, Minghu Jiang, Su Shi, Guitao Cui, Xiangbin Sun, Bo 0022-1430 1727-5652 Cambridge University Press (CUP) Earth-Surface Processes http://dx.doi.org/10.1017/jog.2020.58 <jats:title>Abstract</jats:title><jats:p>Using frequency-modulated continuous wave radar data from the 32nd Chinese Antarctic Research Expedition in 2015/16, subsurface profiles were obtained along an East Antarctic inland traverse from Zhongshan station to Dome A, and four distinct regions were selected to analyze the spatiotemporal variability in historical surface mass balance (SMB). Based on depth, density, and age data from ice cores along the traverse, the radar data were calibrated to yield average SMB data. The zone 49–195 km from the coast has the highest SMB (235 kg m<jats:sup>−2</jats:sup>a<jats:sup>−1</jats:sup>). The 780–892 km zone was most affected by the Medieval Warm Period and the Little Ice Age, and the SMB during<jats:sc>ad</jats:sc>1454–1836 (71 kg m<jats:sup>−2</jats:sup>a<jats:sup>−1</jats:sup>) was only one-quarter of that in the 20th century. The SMB in the 1080–1157 km zone fluctuates the most, possibly due to erosion or irregular deposition of snow by katabatic winds in low SMB areas with surface elevation fluctuations. Dome A (1157–1236 km) has the lowest SMB (29 kg m<jats:sup>−2</jats:sup>a<jats:sup>−1</jats:sup>) and did not decrease during Little Ice Age. Understanding the spatiotemporal variability of SMB in a larger space can help us understand the complex climate history of Antarctica.</jats:p> Historical surface mass balance from a frequency-modulated continuous-wave (FMCW) radar survey from Zhongshan station to Dome A Journal of Glaciology |
| spellingShingle | Guo, Jingxue, Yang, Wangxiao, Dou, Yinke, Tang, Xueyuan, Greenbaum, Jamin S., Dou, Ruofan, Pan, Yao, Zhang, Yuzhong, Ding, Minghu, Jiang, Su, Shi, Guitao, Cui, Xiangbin, Sun, Bo, Journal of Glaciology, Historical surface mass balance from a frequency-modulated continuous-wave (FMCW) radar survey from Zhongshan station to Dome A, Earth-Surface Processes |
| title | Historical surface mass balance from a frequency-modulated continuous-wave (FMCW) radar survey from Zhongshan station to Dome A |
| title_full | Historical surface mass balance from a frequency-modulated continuous-wave (FMCW) radar survey from Zhongshan station to Dome A |
| title_fullStr | Historical surface mass balance from a frequency-modulated continuous-wave (FMCW) radar survey from Zhongshan station to Dome A |
| title_full_unstemmed | Historical surface mass balance from a frequency-modulated continuous-wave (FMCW) radar survey from Zhongshan station to Dome A |
| title_short | Historical surface mass balance from a frequency-modulated continuous-wave (FMCW) radar survey from Zhongshan station to Dome A |
| title_sort | historical surface mass balance from a frequency-modulated continuous-wave (fmcw) radar survey from zhongshan station to dome a |
| title_unstemmed | Historical surface mass balance from a frequency-modulated continuous-wave (FMCW) radar survey from Zhongshan station to Dome A |
| topic | Earth-Surface Processes |
| url | http://dx.doi.org/10.1017/jog.2020.58 |