Distribution of the crustal magnetic field in Sichuan-Yunnan region, southwest China.
Distribution of the crustal magnetic field in Sichuan-Yunnan region, southwest China.
复制标题
西南川滇地区地壳磁场分布
DOI：
10.1155/2014/854769
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发表时间：
2014
影响因子：
--
通讯作者：
Gao G
中科院分区：
文献类型：
--
作者：
Bai C;Kang G;Gao G
利用新的高次地磁模型NGDC-720-V3，研究了川滇地区地壳磁异常的空间分布、高度衰减特征、不同波段对异常的贡献以及异常与地质构造和地球物理场的关系。指出该区最突出的特征是地质稳定地块四川盆地的强正磁异常。与此相反，活动地块龙门山地块在其附近存在较强的负异常。这种矛盾暗示了磁场与地质活动之间可能存在的联系。另一个活动区滇中块体的磁场分布特征截然不同，正负异常交替分布，呈现复杂的磁异常图。龙门山断裂、丽江-小金河断裂、红河断裂等断裂带是强异常与弱异常或负异常与正异常的过渡带。确定了磁异常与地球物理场的对应关系。
Based on the new and higher degree geomagnetic model NGDC-720-V3, we have investigated the spatial distribution, the altitude decay characteristics of the crustal magnetic anomaly, the contributions from different wavelength bands to the anomaly, and the relationship among the anomaly, the geological structure, and the geophysical field in Sichuan-Yunnan region of China. It is noted that the most outstanding feature in this area is the strong positive magnetic anomaly in Sichuan Basin, a geologically stable block. Contrasting with this feature, a strong negative anomaly can be seen nearby in Longmen Mountain block, an active block. This contradiction implies a possible relationship between the magnetic field and the geological activity. Completely different feature in magnetic field distribution is seen in the central Yunnan block, another active region, where positive and negative anomalies distribute alternatively, showing a complex magnetic anomaly map. Some fault belts, such as the Longmen Mountain fault, Lijiang-Xiaojinhe fault, and the Red River fault, are the transitional zones of strong and weak or negative and positive anomalies. The corresponding relationship between the magnetic anomaly and the geophysical fields was confirmed.
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影响因子：
3.5
作者：
Maus, S.;Barckhausen, U.;Tontini, F. Caratori
通讯作者：
Tontini, F. Caratori
影响因子：
2.8
作者：
Olsen, Nils;Mandea, Mioara;Toffner-Clausen, Lars
通讯作者：
Toffner-Clausen, Lars
影响因子：
5.8
作者：
Schoenbohm, Lindsay M.;Burchfiel, B. Clark;Chen Liangzhong
通讯作者：
Chen Liangzhong
DOI：
10.1007/s11430-006-0839-x
发表时间：
2006-08-01
期刊：
SCIENCE IN CHINA SERIES D-EARTH SCIENCES
影响因子：
--
作者：
Liu Baoming;Xia Bin;Ji Shaocheng
通讯作者：
Ji Shaocheng
影响因子：
2.8
作者：
Sabaka, TJ;Olsen, N;Purucker, ME
通讯作者：
Purucker, ME