Characterization of sea ice and its snow cover in the Arctic Pacific sector during the summer of 2016

Qing Ji; Ying Liu; Xiaoping Pang; Yue Pan; Xi Zhao

doi:10.1007/s13131-021-1716-3

Volume 40 Issue 1

Feb. 2021

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Qing Ji, Ying Liu, Xiaoping Pang, Yue Pan, Xi Zhao. Characterization of sea ice and its snow cover in the Arctic Pacific sector during the summer of 2016[J]. Acta Oceanologica Sinica, 2021, 40(1): 33-42. doi: 10.1007/s13131-021-1716-3

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Qing Ji, Ying Liu, Xiaoping Pang, Yue Pan, Xi Zhao. Characterization of sea ice and its snow cover in the Arctic Pacific sector during the summer of 2016[J]. Acta Oceanologica Sinica, 2021, 40(1): 33-42. doi: 10.1007/s13131-021-1716-3

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Characterization of sea ice and its snow cover in the Arctic Pacific sector during the summer of 2016

doi: 10.1007/s13131-021-1716-3

Qing Ji^{1, 2},
Ying Liu³,
Xiaoping Pang^{1, 2, 3},
Yue Pan³,
Xi Zhao^{1, 2
,
,}

1.
Chinese Antarctic Center of Surveying and Mapping, Wuhan University, Wuhan 430079, China
2.
Key Laboratory of Polar Surveying and Mapping, Ministry of Natural Resources, Wuhan 430079, China
3.
School of Resource and Environmental Sciences, Wuhan University, Wuhan 430079, China

Funds: The National Key Research and Development Program of China under contract No. 2016YFC1402704; the National Natural Science Foundation of China under contract No. 42076235; the Special Fund for High Resolution Images Surveying and Mapping Application System under contract No. 42-Y30B04-9001-19/21.

More Information

Corresponding author: E-mail: xi.zhao@whu.edu.cn
Received Date: 2020-04-24
Accepted Date: 2020-05-26

Available Online: 2021-04-21

Publish Date: 2021-01-25

Abstract

Abstract

A comprehensive analysis of sea ice and its snow cover during the summer in the Arctic Pacific sector was conducted using the observations recorded during the 7th Chinese National Arctic Research Expedition (CHIANRE-2016) and the satellite-derived parameters of the melt pond fraction (MPF) and snow grain size (SGS) from MODIS data. The results show that there were many low-concentration ice areas in the south of 78°N, while the ice concentration and thickness increased significantly with the latitude above the north of 78°N during CHIANRE-2016. The average MPF presented a trend of increasing in June and then decreasing in early September for 2016. The average snow depth on sea ice increased with latitude in the Arctic Pacific sector. We found a widely developed depth hoar layer in the snow stratigraphic profiles. The average SGS generally increased from June to early August and then decreased from August to September in 2016, and two valley values appeared during this period due to snowfall incidents.
- sea ice,
- snow cover,
- melt pond fraction,
- snow grain size,
- Arctic Pacific sector

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References(30)

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