MSP-Tool: A VBA-Based Software Tool for the Analysis of Multispecimen Paleointensity Data
MSP-Tool: A VBA-Based Software Tool for the Analysis of Multispecimen Paleointensity Data
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MSP-Tool：基于 VBA 的软件工具，用于分析多样本古强度数据
DOI：
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发表时间：
2015
影响因子：
2.9
通讯作者：
M. Dekkers
中科院分区：
文献类型：
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作者：
M. Monster;L. Groot;M. Dekkers
多样本协议（MSP）是一种通过火山岩或考古材料估计地球磁场过去强度的方法。通过减少加热步骤的数量和平行于所施加的场对齐试样，热化学蚀变和多域效应被最小化。我们提出了一个新的软件工具，编写的Microsoft Excel 2010中的Visual Basic应用程序（BASIC），评估使用该协议获得的古强度数据。除了根据Dekkers和Bohnel（2006）以及Fabian和Leonhardt（2010）计算的三个比率（标准，分数校正和域状态校正）以及Fabian和Leonhardt（2010）提出的许多其他参数外，它还提供了几个可靠性标准。这些包括一个变更标准，无论线性回归是否在理论规定的范围内与y轴相交，以及两个方向的检查。通过隔离剩余的自然剩余磁化强度（NRM）和获得的部分热剩余磁化强度（pTRM）并比较它们的磁偏角和倾角来检测套印和未对准。然后使用剩余的NRM和获得的pTRM来计算校正后的多样本图。使用bootstrap统计分析数据。该程序在熔岩样品上进行了测试，这些样品被赋予了完整的TRM，并在相对于其NRM的0 °、15 °、30 °和90°角处获得了它们的pTRM。MSP工具充分检测并在很大程度上纠正了这些人为的对齐错误。
The multispecimen protocol (MSP) is a method to estimate the Earth’s magnetic field’s past strength from volcanic rocks or archeological materials. By reducing the amount of heating steps and aligning the specimens parallel to the applied field, thermochemical alteration and multi-domain effects are minimized. We present a new software tool, written for Microsoft Excel 2010 in Visual Basic for Applications (VBA), that evaluates paleointensity data acquired using this protocol. In addition to the three ratios (standard, fraction-corrected and domain-state-corrected) calculated following Dekkers and Bohnel (2006) and Fabian and Leonhardt (2010) and a number of other parameters proposed by Fabian and Leonhardt (2010), it also provides several reliability criteria. These include an alteration criterion, whether or not the linear regression intersects the y axis within the theoretically prescribed range, and two directional checks. Overprints and misalignment are detected by isolating the remaining natural remanent magnetization (NRM) and the partial thermoremanent magnetization (pTRM) gained and comparing their declinations and inclinations. The NRM remaining and pTRM gained are then used to calculate alignment-corrected multispecimen plots. Data are analyzed using bootstrap statistics. The program was tested on lava samples that were given a full TRM and that acquired their pTRMs at angles of 0, 15, 30 and 90° with respect to their NRMs. MSP-Tool adequately detected and largely corrected these artificial alignment errors.
影响因子：
5.3
作者：
L. Groot;Annemarieke Béguin;M. Kosters;E. Rijsingen;E. Struijk;A. Biggin;E. Hurst;C. Langereis;M. Dekkers
通讯作者：
L. Groot;Annemarieke Béguin;M. Kosters;E. Rijsingen;E. Struijk;A. Biggin;E. Hurst;C. Langereis;M. Dekkers
影响因子：
2.8
作者：
D. Michalk;A. Muxworthy;H. Böhnel;J. Maclennan;N. Nowaczyk
通讯作者：
D. Michalk;A. Muxworthy;H. Böhnel;J. Maclennan;N. Nowaczyk