吴琼，许健生.地震重力观测技术的新发展方向：绝对重力与重力梯度一体化观测[J].地震科学进展,2023,53(2):49-57.doi:10.19987/j.dzkxjz.2022-066WuQ,XuJS.Thenewdevelopmentdirectionofseismicgravityobservationtechnology:Integratedmeasuringofabsolutegravityandverticalgravitygradient[J].ProgressinEarthquakeSciences,2023,53(2):49-57.doi:10.19987/j.dzkxjz.2022-066综述与评述地震重力观测技术的新发展方向：绝对重力与重力梯度一体化观测*吴琼许健生※（中国地震局地球物理研究所，北京100081）摘要高精度绝对重力与重力梯度一体化和阵列式观测可有效提高不同深度重力场源体的识别精度。本文基于中国地震局发布的《中国地球物理站网（重力）规划（2020—2030）》中绝对重力观测技术的不足和发展方向，提出了绝对重力与重力梯度一体化的观测技术思路。在监测中发现，强震孕育过程中壳—幔热物质运移引起的微重力变化信号，有利于提升破坏性地震的中、短期和临震预测能力。有必要进一步拓展重力站网绝对重力控制能力等方面的应用，为我国专业地震台站探索重力观测技术新发展方向。关键词绝对重力测量；重力梯度测量；微重力探测中图分类号：P312.1文献标识码：A文章编号:2096-7780(2023)02-0049-09doi：10.19987/j.dzkxjz.2022-066Thenewdevelopmentdirectionofseismicgravityobservationtechnology:IntegratedmeasuringofabsolutegravityandverticalgravitygradientWuQiong,XuJiansheng(InstituteofGeophysics,ChinaEarthquakeAdministration,Beijing100081,China)AbstractTheintegratedandarrayobservationofthehigh-precisionabsolutegravityandgravitygradientcaneffectivelyimprovetheidentificationaccuracyofgravityfieldsourcesatdifferentdepths.Basedontheshortcomingsanddevelopmentdirectionofabsolutegravityobservationtechnologyinthe“ChinaGeophysicalStationNetwork(Gravity)Planning(2020—2030)”issuedbytheChinaEarthquakeAdministration，thispaperproposestheobservationtechnologyideaoftheintegrationofabsolutegravityandgravitygradient.Bymonitoringanddiscoveringthemicrogravitychangesignalscausedbythetransportofshell-mantlehotmaterialsduringtheincubationofstrongearthquakes，theabilitytopredictmedium-term，short-termandnear-earthquakesofdestructiveearthquakesisimproved.Theapplicationo...
