Journal of East China Normal University(Natural Science) ›› 2021, Vol. 2021 ›› Issue (2): 30-41.doi: 10.3969/j.issn.1000-5641.2021.02.004
• Estuary and Coastal Research • Previous Articles Next Articles
Can GE1,2,3(), Weiguo ZHANG2,*()
Received:
2020-04-17
Online:
2021-03-25
Published:
2021-04-01
Contact:
Weiguo ZHANG
E-mail:cansklec2014@126.com;wgzhang@sklec.ecnu.edu.cn
CLC Number:
Can GE, Weiguo ZHANG. Magnetic properties of particle-sized fractions of sediments in the Changjiang Estuary and neighboring shelf, and its environmental implications[J]. Journal of East China Normal University(Natural Science), 2021, 2021(2): 30-41.
Table 1
Particle size compositions, SIRM of particle size fractions, and their respective contributions to bulk SIRM"
分区 样品 | 各粒级百分含量/% | SIRM/ (×10–6Am2·kg–1) | 对全样SIRM贡献/% | |||||||||||||
< 16 μm | 16 ~ 32 μm | 32 ~ 63 μm | > 63 μm | < 16 μm | 16 ~ 32 μm | 32 ~ 63 μm | > 63 μm | 全样 | < 16 μm | 16 ~ 32 μm | 32 ~ 63 μm | > 63 μm | ||||
A | S1 | 1 | 3 | 14 | 82 | 6398 | 7566 | 12715 | 2714 | 4369 | 1.6 | 5.9 | 40.7 | 51.8 | ||
S2 | 19 | 32 | 8 | 41 | 7750 | 6411 | 8790 | 4055 | 5994 | 25.5 | 34.4 | 12 | 28.2 | |||
S6 | 6 | 3 | 9 | 82 | 12829 | 14552 | 28929 | 6578 | 9711 | 7.9 | 4.8 | 28.7 | 58.5 | |||
S7 | 1 | 1 | 1 | 97 | 10888 | 9729 | 30083 | 6692 | 6884 | 1.4 | 0.9 | 3.4 | 94.4 | |||
S9 | 0 | 1 | 4 | 95 | 11541 | 63166 | 36218 | 4350 | 6559 | 0.8 | 7.4 | 25.1 | 66.7 | |||
B | S3 | 29 | 36 | 8 | 27 | 6691 | 6030 | 8030 | 4978 | 5809 | 32.1 | 36.1 | 9.6 | 22.2 | ||
S4 | 23 | 41 | 10 | 26 | 9817 | 7179 | 6936 | 7543 | 7814 | 28.8 | 37.2 | 8.7 | 25.3 | |||
S5 | 29 | 35 | 17 | 19 | 6531 | 5894 | 5800 | 6469 | 5948 | 30.8 | 33.7 | 15.7 | 19.8 | |||
S8 | 51 | 11 | 4 | 34 | 6412 | 7799 | 16194 | 14555 | 7622 | 33.4 | 8.9 | 6.4 | 51.3 | |||
S10 | 50 | 36 | 9 | 5 | 9033 | 5827 | 6803 | 10949 | 7872 | 57.7 | 26.9 | 8.1 | 7.3 | |||
S17 | 83 | 12 | 3 | 2 | 5829 | 3862 | 3085 | 4212 | 5415 | 88.2 | 8.5 | 1.9 | 1.4 | |||
S20 | 74 | 15 | 9 | 2 | 6068 | 3335 | 2342 | 3047 | 5147 | 85.6 | 8.8 | 4.2 | 1.4 | |||
C | S11 | 53 | 7 | 4 | 36 | 3844 | 2397 | 4829 | 4394 | 3635 | 51.6 | 4.5 | 4.3 | 39.6 | ||
S12 | 8 | 2 | 1 | 89 | 4808 | 4601 | 5932 | 4400 | 4263 | 8.4 | 2.3 | 1.5 | 87.7 | |||
S14 | 57 | 17 | 7 | 19 | 3947 | 3636 | 3673 | 2600 | 3594 | 62.2 | 17.2 | 6.8 | 13.8 | |||
S15 | 0 | 0 | 0 | 100 | 0 | 0 | 0 | 4462 | 4100 | 0 | 0 | 0 | 100 | |||
S18 | 34 | 6 | 6 | 54 | 5302 | 4653 | 7374 | 3025 | 3851 | 42.7 | 6.5 | 11.3 | 39.5 | |||
S21 | 25 | 5 | 5 | 65 | 5548 | 6375 | 8710 | 3332 | 4101 | 31.8 | 7.5 | 9.3 | 51.4 | |||
S13 | 54 | 10 | 3 | 33 | 4761 | 4001 | 4804 | 5219 | 4440 | 53.3 | 8.3 | 3.1 | 35.3 | |||
S16 | 13 | 4 | 3 | 80 | 4141 | 3618 | 5530 | 3763 | 3554 | 14.4 | 3.8 | 4.1 | 77.6 | |||
D | S19 | 9 | 3 | 2 | 86 | 4021 | 3202 | 6322 | 2800 | 2756 | 12.3 | 3.2 | 4.7 | 79.8 | ||
S22 | 15 | 7 | 9 | 69 | 3921 | 3192 | 3129 | 1510 | 1977 | 27.0 | 10.6 | 13.7 | 48.8 |
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