黄河三角洲潮滩沉积物磁性特征与沉积环境分析

彭俊, 陈洪全, 马随随, 李志文

Magnetic Properties of Sediment and Sedimentary Environment in Tidal Flat of the Yellow River Delta

Jun PENG, Hong-quan CHEN, Sui-sui MA, Zhi-wen LI

表1 YDZ1柱样各层的磁学参数均值

Table 1 Average value of magnetic parameters in each layer of the core YDZ1

层段 χ SIRM χfd% χARM χARM/χ χARM/SIRM HIRM S-100 S-300 1 24.43 3285.13 78.02 3.37 23.41 239.08 82.03 91.97 2 9.97 1229.98 30.75 3.19 25.95 241.08 63.15 78.59 3 38.48 5203.04 298.14 7.67 62.58 295.44 84.01 93.78 4 39.03 4843.00 4.29 169.97 4.30 34.93 316.17 81.26 93.46 5 38.33 4638.21 4.67 183.94 4.66 39.17 304.86 81.21 93.39 6 41.21 5557.74 1.32 85.25 2.15 15.70 361.28 77.80 93.52 7 34.25 5240.71 3.69 157.45 4.61 30.04 297.96 79.95 94.31