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刘建强(1964—),男,湖南省益阳市人,研究员,主要从事海洋卫星规划论证、地面应用系统建设、业务化运行与遥感应用研究。E-mail:

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刘建强(1964—),男,湖南省益阳市人,研究员,主要从事海洋卫星规划论证、地面应用系统建设、业务化运行与遥感应用研究。E-mail:

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刘建强(1964—),男,湖南省益阳市人,研究员,主要从事海洋卫星规划论证、地面应用系统建设、业务化运行与遥感应用研究。E-mail:

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The information of the new found ice crevasse in the Brunt ice shelf, Antarctica detected by the HY-1C/D satellites

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序号时间卫星冰裂缝长度/km状态
12018年12月7日HY-1C5.8裂缝不明显
22019年2月19日HY-1C8.3裂缝不明显
32019年10月29日HY-1C10.0裂缝明显
42020年9月21日HY-1D14.0裂缝明显,最宽处150 m
52020年12月7日HY-1D21.0裂缝明显
62020年12月22日HY-1C35.0裂缝明显
72021年2月9日HY-1D55.0裂缝明显,最宽处400 m
82021年2月26日HY-1D108.0断裂分离
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南极布伦特冰架新冰裂缝HY-1C/D卫星监测信息

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序号时间卫星冰裂缝长度/km状态
12018年12月7日HY-1C5.8裂缝不明显
22019年2月19日HY-1C8.3裂缝不明显
32019年10月29日HY-1C10.0裂缝明显
42020年9月21日HY-1D14.0裂缝明显,最宽处150 m
52020年12月7日HY-1D21.0裂缝明显
62020年12月22日HY-1C35.0裂缝明显
72021年2月9日HY-1D55.0裂缝明显,最宽处400 m
82021年2月26日HY-1D108.0断裂分离
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HY-1C/D卫星对南极布伦特冰架冰裂缝变化与断裂过程的监测
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刘建强 1, 2 , 曾韬 1, 2 , 叶小敏 1, 2 , 刘金普 1, 2 , 马小峰 1, 2
海洋学报 | 极地海冰与气候研究 2021,43(7): 205-206
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海洋学报 | 极地海冰与气候研究 2021, 43(7): 205-206
HY-1C/D卫星对南极布伦特冰架冰裂缝变化与断裂过程的监测
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刘建强1, 2 , 曾韬1, 2, 叶小敏1, 2, 刘金普1, 2, 马小峰1, 2
作者信息
  • 1国家卫星海洋应用中心,北京 100081
  • 2自然资源部空间海洋遥感与应用研究重点实验室,北京 100081
  • 刘建强(1964—),男,湖南省益阳市人,研究员,主要从事海洋卫星规划论证、地面应用系统建设、业务化运行与遥感应用研究。E-mail:

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出版时间: 2021-07-25 doi: 10.12284/hyxb2021155
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刘建强, 曾韬, 叶小敏, 刘金普, 马小峰. HY-1C/D卫星对南极布伦特冰架冰裂缝变化与断裂过程的监测. 海洋学报, 2021 , 43 (7) : 205 -206 . DOI: 10.12284/hyxb2021155
. Haiyang Xuebao, 2021 , 43 (7) : 205 -206 . DOI: 10.12284/hyxb2021155
我国海洋一号C卫星(HY-1C)和海洋一号D卫星(HY-1D)实现了对南极布伦特冰架持续时长约28个月的冰裂缝变化与断裂过程的全程监测。
自HY-1D卫星于2020年6月11日发射后,与HY-1C卫星形成上下午组网卫星观测。HY-1C和HY-1D卫星均配置了海洋水色水温扫描仪、紫外成像仪和海岸带成像仪(CZI),其中CZI幅宽为1 000 km,空间分辨率为50 m。2018年12月至2021年3月期间,HY-1C/D卫星海岸带成像仪对南极布伦特冰架进行了20余次有效监测,部分监测遥感影像见图1
从CZI有效数据分析可以得出,海洋一号卫星海岸带成像仪遥感图像不仅验证了美国国家航空航天局和欧洲航天局分别于2016年和2019年公布的冰裂缝(即图1中冰裂缝B和冰裂缝A),而且还监测到原有冰缝的北侧产生了新的冰裂缝(见图1中冰裂缝C),冰裂缝产生至断裂全过程监测信息见表1。监测表明冰裂缝产生到扩大延伸、再到冰架崩解是一个渐变过程。海洋一号C/D卫星双星组网可对极地区域实现每天1次监测的频率,为南极冰架遥感监测与研究提供了有力有效手段。
2021年2月26日HY-1D卫星图像上显示新冰裂缝已经变成了冰间水道,新的冰山形成,经测量分析,分离的冰山约1 300 km2。2021年3月1日至3日HY-1C卫星图像显示,脱离的新冰山已开始漂移。
南极冰架上出现越来越多的裂缝,是冰架崩解前兆,大型冰架的崩解影响冰架的稳定性,脱离冰架后的冰山漂移与消融将影响所经过区域的海洋生态系统、海上航行安全和冰海相互作用,改变物质平衡,还可能会引发一系列连锁反应。我国HY-1C/D卫星作为海洋和极地观测有力工具,将在全球气候变化与极地研究中发挥更大的作用。
2021年第43卷第7期
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doi: 10.12284/hyxb2021155
  • 接收时间:2021-03-05
  • 首发时间:2026-02-26
  • 出版时间:2021-07-25
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  • 收稿日期:2021-03-05
  • 修回日期:2021-03-15
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    1国家卫星海洋应用中心,北京 100081
    2自然资源部空间海洋遥感与应用研究重点实验室,北京 100081
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2种不同金属材料的力学参数

Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)

Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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