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作为成都平原考古调查计划(CPAS)的子计划,我们在成都平原的遗址上使用地磁仪进行初步的探测工作。本文对此技术的应用做了初步评估。过去这个区域尚未使用地球物理探查技术,主要原因在于地表植被对观察的限制,即使采用传统的考古调查方法也仅能获得有限的结果。当地的耕地一年中有三分之二的时间是用来种植稻米,冬季时则改种蔬菜,所以很难直接观察地表状况。在2005—2006年度第一季工作中,调查队评估了四种调查技术(地面调查、洛阳铲、工兵铲及土芯钻取器),并认为地面调查及土芯钻取器并行是在这种景观条件下发现遗物及确定遗址位置和范围的最有效的方法。在2006—2007年度第二季的工作中,调查队决定尝试地球物理技术,了解是否能对以前的方法有辅助作用,或是有潜力可以在探测工作中单独使用。调查队特别希望地磁仪的探测可以用来进一步了解先前发现遗址内的地下遗迹及其内容。本次调查共选择三个遗址:郫县古城城墙遗址、石桅杆、宋家河坝,其中第一个遗址已经作过发掘,其余两个则为联合调查队发现。初步的研究显示这种调查方法是有前景的,我们可以在以后成都平原考古调查中通过无损伤的地球物理技术来分辨确认考古记录。
As a subproject of the Chengdu Plain Archaeological Survey Project (CPAS), we conducted a preliminary exploration using a magnetometer at the site of the Chengdu Plain. This article made a preliminary assessment of the application of this technology. In the past, geophysical prospecting techniques were not used in this region, mainly due to the observation restrictions imposed by surface vegetation. Even the traditional archaeological survey methods have only limited results. Two-thirds of the local arable land is used to grow rice in winter, while vegetables are changed in winter, so it is difficult to directly observe the surface conditions. During the first quarter of 2005-2006, the investigation team evaluated four survey techniques (ground survey, Luoyang shovel, shovel and earth core driller) and concluded that the ground investigation and core drill parallel are in this The most effective way to find artifacts and determine the location and extent of the site under landscape conditions. During the second quarter of 2006-2007, the team decided to try geophysical techniques to see if it would be an aid to previous approaches or had the potential to be used alone in exploration missions. In particular, the team hoped that the geomagnetic survey could be used to learn more about the underground monuments and their contents in previously discovered sites. The survey selected a total of three sites: Ruixian ancient city wall ruins, stone masts, Songjiaheba, of which the first site has been explored, while the remaining two were found by the joint investigation team. Preliminary research shows that this method of investigation is promising, and we can distinguish and confirm archaeological records through nondestructive geophysical techniques in later Chengdu Plain archeological surveys.