Geomorphological characteristics of the junction Yap Trench and Mariana Trench

Zhang Zhiyi; Han Xibin; Xu Dong

doi:10.12284/hyxb2022121

Volume 44 Issue 11

Nov. 2022

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Zhang Zhiyi，Han Xibin，Xu Dong. Geomorphological characteristics of the junction Yap Trench and Mariana Trench[J]. Haiyang Xuebao，2022, 44(11)：63–76 doi: 10.12284/hyxb2022121

Citation:

Zhang Zhiyi，Han Xibin，Xu Dong. Geomorphological characteristics of the junction Yap Trench and Mariana Trench[J]. Haiyang Xuebao，2022, 44(11)：63–76 doi: 10.12284/hyxb2022121

Citation:

Zhang Zhiyi，Han Xibin，Xu Dong. Geomorphological characteristics of the junction Yap Trench and Mariana Trench[J]. Haiyang Xuebao，2022, 44(11)：63–76 doi: 10.12284/hyxb2022121

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Geomorphological characteristics of the junction Yap Trench and Mariana Trench

doi: 10.12284/hyxb2022121

Zhang Zhiyi^{1, 2
,},
Han Xibin^{3, 4
,
,},
Xu Dong^{3, 4}

1.
Ningbo Hongmeng Limited Company, Ningbo 315832, China
2.
Ningbo Institude of Oceanography, Ningbo 315832, China
3.
Key Laboratory of Submarine Geosciences, Ministry of Natural Resources, Hangzhou 310012, China
4.
Second Institute of Oceanography, Ministry of Natural Resources, Hangzhou 310012, China

Received Date: 2021-12-02
Rev Recd Date: 2022-04-24

Available Online: 2022-06-24

Publish Date: 2022-11-03

Abstract

Abstract

The Yap Trench is an important part of the trench-arc-basin system in the western Pacific Ocean. In the northern part of the Yap Trench, the Yap Trench and the Mariana Trench are typically vertically intersected. The geomorphology of the sea area was studied in detail. The results show that the water depth, morphology and profile of the trenches change obviously near the junction of the two trenches, and have segmented. The slopes on both sides have uplift, depression and fault geomorphology, which are closely related to the special subduction position at the junction of the trenches. In addition, according to the geomorphic characteristics and plate spreading rate, the spreading center of the Parece Vera Basin should be located near 137°35'34''E before 20 Ma, and the Yap Trench is likely to be transformed from the spreading center exposed by the Parece Vera Basin.
- Yap Trench,
- Mariana Trench,
- geomorphological interpretation,
- Parece Vera Basin

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References(24)

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