class003--Gravity-Processing

1、Professional English of GeophysicsChuntao LiangGrade 2011 S4-S10: divided into 13 groups, every group translates 4-5 phrases into Chinese S11: 2 groups first group: The gravity G_r1=? Which one is the greatest? 5 points for each group. S13-S34: divided into 15 groups one team translates one group. a

2、nd are present in class one by one! 10 points for each teamReviewLearning and reviewing from time to time.Gain new insights through reviewing old materials学而时习之不亦乐乎温故而知新可以为师也WIKI Biogeophysics. Exploration geophysics: ore minerals and hydrocarbons. Geophysical fluid dynamics. Geodesy. Geodynamics: m

3、antle convection, heat flow, etc. Geomagnetism, telluric currents, the Van Allen belts, magnetosphere and the solar wind. Mathematical geophysics. 生物地球物理. 勘探地球物理: 矿产和油气资源. 地球物理流体动力学. 大地测量学. 地球动力学: 地幔对流, 热流, 等等. 地磁学, 地电, the Van Allen 带, 磁层，太阳风. 数学地球物理.WIKI Mineral physics. Near-surface geophysics. P

4、aleomagnetism. Seismology. Tectonophysics. gravitational and magnetic fields; internal structure and composition; its dynamics and plate tectonics, magmas, Volcanism 矿物物理. 近地表地球物理学. 古地磁学. 地震学 构造物理. 重力场和磁场; 内部结构和组成; 动力学 板块构造学, 岩浆, 火山活动WIKIhydrological cycle fluid dynamics atmosphere; ElectricityIonos

5、pherelodestones, precession of the equinox; mineral resources, natural hazards environmental protection.Geophysical survey水循环 流体动力学大气; 电性电离层磁石, precession of the equinox; 矿物资源, 自然灾害环境保护地球物理调查WIKIGeothermal gradientthermal convection. mantle plumes.Geodynamoradioactivity, phase transitions. core-mant

6、le boundary LithosphereConductionnormal modes or free oscillations of the Earth. seismographs. Reflectionsrefraction, Intraplateearthquake engineering.地热梯度热对流 地幔柱地球发电机放射性, 相变 核幔边界岩石圈传导自由震荡地震图反射折射板块内地震工程ElectricityThunderstormscosmic raysspontaneous potentialelectrical resistivityinduced polarization

7、.雷雨宇宙射线自然电位电阻率激发激化GravityNewtons Law of GraviationForce of attraction(F)Gravitational FieldGravitational Constant (G)Gravitational Acceleration (g)Gravitational Potential (U)Equipotential SurfaceGeoidEllipsoid牛顿重力定律吸引力(F)重力场重力常量 (G)重力加速度(g)重力势能(U)等势能面大地水准面椭球面Gravity Altimetry: Bathymetry： Radar Inte

8、rferometry: Homogeneous Inhomogeneous Discontinuity Isotropy Anisotropy 测高仪，测高法: 测深仪，测深法： 雷达干涉成像: 均匀的 不均匀的 间断面 各向同性 各向异性Equipotential and GravityEquipotential Surface 1: U1Equipotential Surface 1: U2Application of Gravity SurveyWhat are the two laws governing this measuring method?Gravity MeasurementWhat may affect gravity measurement Temperature Leveling Terrain Earthquake OthersWhat causes the drift correction?Why gravity at equator is smaller than the poles?Latitude CorrectionFree