Nelson Portland Warrnambool 1:100,000 Infill (P199831), gravity point data

Gravity data measures small changes in gravity due to changes in the density of rocks beneath the Earth's surface. The data collected are processed via standard methods to ensure the response recorded is that due only to the rocks in the ground. The results produce datasets that can be interpreted to reveal the geological structure of the sub-surface. The processed data is checked for quality by GA geophysicists to ensure that the final data released by GA are fit-for-purpose. This Nelson Portland Warrnambool 1:100,000 Infill (P199831) contains a total of 588 point data values acquired at a spacing between 1000 and 3000 metres. The data is located in VIC and were acquired in 1998, under project No. 199831 for None.

重力数据用于捕捉地球表层下方岩石密度变化所引发的微小重力场扰动。所采集的原始数据将通过标准化流程开展处理，确保记录得到的响应仅源自地下岩石的影响。经处理后生成的数据集可通过解译，用以揭示地下地质构造特征。处理完成的数据将由GA地球物理学家进行质量核验，以保障GA发布的最终数据满足使用需求。本纳尔逊波特兰瓦南布尔1:10万加密重力测量数据集（编号P199831）共计包含588个测点数据，测点间距介于1000米至3000米之间。该数据集采集于维多利亚州（VIC），完成于1998年，隶属于编号为199831的项目，委托方信息未标注。