Short Wavelength Magnetic Variations within the Central Anomaly on the Southern EPR

这是一项在东太平洋海隆南部进行的近底磁测和采样计划，主要目的是评估Bruhnes磁异常内的线状海岸波长变化，特别是中央异常磁高，反映地磁强度波动的可能性。 将在南纬17.5度的走廊中获得两个长的深拖剖面，并在南纬19.5度收集另外四个长的深拖线。如果地球磁场强度的波动确实能解释海洋磁剖面中常见的微小摆动，那么这些短波长异常可能会提供有关过去地磁强度变化的新信息，以及比单独使用极性反转更精细的时间标记，用于评估脊顶过程。

This is a near-bottom magnetic survey and sampling program on the southern East Pacific Rise designed primarily to evaluate the possibility that lineated shore wavelength variations within the Bruhnes magnetic anomaly, and the central anomaly magnetic high in particular, reflect geomagnetic intensity fluctuations. Two long Deep Tow profiles will be obtained in a corridor at 17.5 degrees south, and an additional four long Deep Tow lines will collected at 19.5 degrees south. If fluctuations in the earth's field intensity do account for much of the tiny wiggles commonly observed in oceanic magnetic profiles, these short wavelength anomalies May provide new information on past geomagnetic intensity variations as well as finer- scale temporal markers for evaluating ridge crest processes than are available with polarity revesals alone.