Gravimetry, the Glossary
Gravimetry is the measurement of the strength of a gravitational field.[1]
Table of Contents
65 relations: Acceleration, Accelerometer, Accuracy and precision, Apollo 17, Atomic clock, Calibration, Centimetre, Centimetre–gram–second system of units, CHAMP (satellite), Correlation, Earth tide, Equivalence principle, G-force, Gal (unit), General relativity, Geodesy, Geodetic control network, Geodynamics, Geoid, Geophysical survey, Geophysics, GRACE and GRACE-FO, Gradiometer, GRAIL, Gravitational acceleration, Gravitational field, Gravitational wave, Gravity anomaly, Gravity Field and Steady-State Ocean Circulation Explorer, Gravity gradiometry, Gravity of Earth, Ground truth, Height, International System of Units, Lucien LaCoste, Magnetic field, Metre per second squared, Metrology, Michelson interferometer, Newton (unit), Niobium, Nuclear submarine, Observational error, Orogeny, Oscillation, Parts-per notation, Prospecting, Resonance, Retroreflector, Reverse engineering, ... Expand index (15 more) »
Acceleration
In mechanics, acceleration is the rate of change of the velocity of an object with respect to time.
See Gravimetry and Acceleration
Accelerometer
An accelerometer is a device that measures the proper acceleration of an object.
See Gravimetry and Accelerometer
Accuracy and precision
Accuracy and precision are two measures of observational error.
See Gravimetry and Accuracy and precision
Apollo 17
Apollo 17 (December 7–19, 1972) was the eleventh and final mission of NASA's Apollo program, the sixth and most recent time humans have set foot on the Moon or traveled beyond low Earth orbit.
Atomic clock
An atomic clock is a clock that measures time by monitoring the resonant frequency of atoms.
See Gravimetry and Atomic clock
Calibration
In measurement technology and metrology, calibration is the comparison of measurement values delivered by a device under test with those of a calibration standard of known accuracy.
See Gravimetry and Calibration
Centimetre
Different lengths as in respect to the electromagnetic spectrum, measured by the metre and its derived scales. The microwave is in-between 1 meter to 1 millimeter. A centimetre (International spelling) or centimeter (American spelling), with SI symbol cm, is a unit of length in the International System of Units (SI) equal to one hundredth of a metre, centi being the SI prefix for a factor of.
Centimetre–gram–second system of units
The centimetre–gram–second system of units (CGS or cgs) is a variant of the metric system based on the centimetre as the unit of length, the gram as the unit of mass, and the second as the unit of time.
See Gravimetry and Centimetre–gram–second system of units
CHAMP (satellite)
Challenging Minisatellite Payload (CHAMP) was a German satellite launched July 15, 2000 from Plesetsk, Russia and was used for atmospheric and ionospheric research, as well as other geoscientific applications, such as GPS radio occultation, gravity field determination, and studying the Earth's magnetic field.
See Gravimetry and CHAMP (satellite)
Correlation
In statistics, correlation or dependence is any statistical relationship, whether causal or not, between two random variables or bivariate data.
See Gravimetry and Correlation
Earth tide
Earth tide (also known as solid-Earth tide, crustal tide, body tide, bodily tide or land tide) is the displacement of the solid earth's surface caused by the gravity of the Moon and Sun.
Equivalence principle
The equivalence principle is the hypothesis that the observed equivalence of gravitational and inertial mass is a consequence of nature.
See Gravimetry and Equivalence principle
G-force
The g-force or gravitational force equivalent is mass-specific force (force per unit mass), expressed in units of standard gravity (symbol g or g0, not to be confused with "g", the symbol for grams).
Gal (unit)
The gal (symbol: Gal), sometimes called galileo after Galileo Galilei, is a unit of acceleration typically used in precision gravimetry.
General relativity
General relativity, also known as the general theory of relativity and Einstein's theory of gravity, is the geometric theory of gravitation published by Albert Einstein in 1915 and is the current description of gravitation in modern physics.
See Gravimetry and General relativity
Geodesy
Geodesy or geodetics is the science of measuring and representing the geometry, gravity, and spatial orientation of the Earth in temporally varying 3D.
Geodetic control network
A geodetic control network is a network, often of triangles, that are measured precisely by techniques of control surveying, such as terrestrial surveying or satellite geodesy.
See Gravimetry and Geodetic control network
Geodynamics
Geodynamics is a subfield of geophysics dealing with dynamics of the Earth. Gravimetry and Geodynamics are geodesy.
See Gravimetry and Geodynamics
Geoid
The geoid is the shape that the ocean surface would take under the influence of the gravity of Earth, including gravitational attraction and Earth's rotation, if other influences such as winds and tides were absent. Gravimetry and geoid are geodesy.
Geophysical survey
Geophysical survey is the systematic collection of geophysical data for spatial studies.
See Gravimetry and Geophysical survey
Geophysics
Geophysics is a subject of natural science concerned with the physical processes and physical properties of the Earth and its surrounding space environment, and the use of quantitative methods for their analysis.
GRACE and GRACE-FO
The Gravity Recovery and Climate Experiment (GRACE) was a joint mission of NASA and the German Aerospace Center (DLR).
See Gravimetry and GRACE and GRACE-FO
Gradiometer
A gradiometer measures the gradient (numerical rate of change) of a physical quantity, such as a magnetic field or gravity.
See Gravimetry and Gradiometer
GRAIL
The Gravity Recovery and Interior Laboratory (GRAIL) was an American lunar science mission in NASA's Discovery Program which used high-quality gravitational field mapping of the Moon to determine its interior structure.
Gravitational acceleration
In physics, gravitational acceleration is the acceleration of an object in free fall within a vacuum (and thus without experiencing drag).
See Gravimetry and Gravitational acceleration
Gravitational field
In physics, a gravitational field or gravitational acceleration field is a vector field used to explain the influences that a body extends into the space around itself. Gravimetry and gravitational field are geodesy.
See Gravimetry and Gravitational field
Gravitational wave
Gravitational waves are waves of the intensity of gravity that are generated by the accelerated masses of binary stars and other motions of gravitating masses, and propagate as waves outward from their source at the speed of light.
See Gravimetry and Gravitational wave
Gravity anomaly
The gravity anomaly at a location on the Earth's surface is the difference between the observed value of gravity and the value predicted by a theoretical model. Gravimetry and gravity anomaly are geodesy.
See Gravimetry and Gravity anomaly
Gravity Field and Steady-State Ocean Circulation Explorer
The Gravity Field and Steady-State Ocean Circulation Explorer (GOCE) was the first of ESA's Living Planet Programme heavy satellites intended to map in unprecedented detail the Earth's gravity field.
See Gravimetry and Gravity Field and Steady-State Ocean Circulation Explorer
Gravity gradiometry
Gravity gradiometry is the study of variations (''anomalies'') in the Earth's gravity field via measurements of the spatial gradient of gravitational acceleration. Gravimetry and gravity gradiometry are geodesy.
See Gravimetry and Gravity gradiometry
Gravity of Earth
The gravity of Earth, denoted by, is the net acceleration that is imparted to objects due to the combined effect of gravitation (from mass distribution within Earth) and the centrifugal force (from the Earth's rotation). Gravimetry and gravity of Earth are geodesy.
See Gravimetry and Gravity of Earth
Ground truth
Ground truth is information that is known to be real or true, provided by direct observation and measurement (i.e. empirical evidence) as opposed to information provided by inference.
See Gravimetry and Ground truth
Height
Height is measure of vertical distance, either vertical extent (how "tall" something or someone is) or vertical position (how "high" a point is).
International System of Units
The International System of Units, internationally known by the abbreviation SI (from French Système international d'unités), is the modern form of the metric system and the world's most widely used system of measurement.
See Gravimetry and International System of Units
Lucien LaCoste
Lucien LaCoste (1908 – 1995) was a physicist and metrologist.
See Gravimetry and Lucien LaCoste
Magnetic field
A magnetic field (sometimes called B-field) is a physical field that describes the magnetic influence on moving electric charges, electric currents, and magnetic materials.
See Gravimetry and Magnetic field
Metre per second squared
The metre per second squared is the unit of acceleration in the International System of Units (SI).
See Gravimetry and Metre per second squared
Metrology
Metrology is the scientific study of measurement.
Michelson interferometer
The Michelson interferometer is a common configuration for optical interferometry and was invented by the 19/20th-century American physicist Albert Abraham Michelson.
See Gravimetry and Michelson interferometer
Newton (unit)
The newton (symbol: N) is the unit of force in the International System of Units (SI).
See Gravimetry and Newton (unit)
Niobium
Niobium is a chemical element; it has symbol Nb (formerly columbium, Cb) and atomic number 41.
Nuclear submarine
A nuclear submarine is a submarine powered by a nuclear reactor, but not necessarily nuclear-armed.
See Gravimetry and Nuclear submarine
Observational error
Observational error (or measurement error) is the difference between a measured value of a quantity and its unknown true value.
See Gravimetry and Observational error
Orogeny
Orogeny is a mountain-building process that takes place at a convergent plate margin when plate motion compresses the margin.
Oscillation
Oscillation is the repetitive or periodic variation, typically in time, of some measure about a central value (often a point of equilibrium) or between two or more different states.
See Gravimetry and Oscillation
Parts-per notation
In science and engineering, the parts-per notation is a set of pseudo-units to describe small values of miscellaneous dimensionless quantities, e.g. mole fraction or mass fraction.
See Gravimetry and Parts-per notation
Prospecting
Prospecting is the first stage of the geological analysis (followed by exploration) of a territory.
See Gravimetry and Prospecting
Resonance
In physics, resonance refers to a wide class of phenomena that arise as a result of matching temporal or spatial periods of oscillatory objects.
Retroreflector
A retroreflector (sometimes called a retroflector or cataphote) is a device or surface that reflects radiation (usually light) back to its source with minimum scattering.
See Gravimetry and Retroreflector
Reverse engineering
Reverse engineering (also known as backwards engineering or back engineering) is a process or method through which one attempts to understand through deductive reasoning how a previously made device, process, system, or piece of software accomplishes a task with very little (if any) insight into exactly how it does so.
See Gravimetry and Reverse engineering
Sampling (signal processing)
In signal processing, sampling is the reduction of a continuous-time signal to a discrete-time signal.
See Gravimetry and Sampling (signal processing)
Satellite laser ranging
In satellite laser ranging (SLR) a global network of observation stations measures the round trip time of flight of ultrashort pulses of light to satellites equipped with retroreflectors.
See Gravimetry and Satellite laser ranging
Seismology
Seismology (from Ancient Greek σεισμός (seismós) meaning "earthquake" and -λογία (-logía) meaning "study of") is the scientific study of earthquakes (or generally, quakes) and the generation and propagation of elastic waves through the Earth or other planetary bodies.
Signal processing
Signal processing is an electrical engineering subfield that focuses on analyzing, modifying and synthesizing signals, such as sound, images, potential fields, seismic signals, altimetry processing, and scientific measurements.
See Gravimetry and Signal processing
Speed of light
The speed of light in vacuum, commonly denoted, is a universal physical constant that is exactly equal to). According to the special theory of relativity, is the upper limit for the speed at which conventional matter or energy (and thus any signal carrying information) can travel through space.
See Gravimetry and Speed of light
Spherical harmonics
In mathematics and physical science, spherical harmonics are special functions defined on the surface of a sphere.
See Gravimetry and Spherical harmonics
Spring (device)
A spring is a device consisting of an elastic but largely rigid material (typically metal) bent or molded into a form (especially a coil) that can return into shape after being compressed or extended.
See Gravimetry and Spring (device)
Springer Science+Business Media, commonly known as Springer, is a German multinational publishing company of books, e-books and peer-reviewed journals in science, humanities, technical and medical (STM) publishing.
See Gravimetry and Springer Science+Business Media
Standard gravity
The standard acceleration of gravity or standard acceleration of free fall, often called simply standard gravity and denoted by or, is the nominal gravitational acceleration of an object in a vacuum near the surface of the Earth.
See Gravimetry and Standard gravity
Superconductivity
Superconductivity is a set of physical properties observed in certain materials where electrical resistance vanishes and magnetic fields are expelled from the material.
See Gravimetry and Superconductivity
Swarm (spacecraft)
Swarm is a European Space Agency (ESA) mission to study the Earth's magnetic field.
See Gravimetry and Swarm (spacecraft)
Tide
Tides are the rise and fall of sea levels caused by the combined effects of the gravitational forces exerted by the Moon (and to a much lesser extent, the Sun) and are also caused by the Earth and Moon orbiting one another. Gravimetry and Tide are geodesy.
Vacuum
A vacuum (vacuums or vacua) is space devoid of matter.
Vibration
Vibration is a mechanical phenomenon whereby oscillations occur about an equilibrium point.
Weighing scale
A scale or balance is a device used to measure weight or mass.
See Gravimetry and Weighing scale
References
[1] https://en.wikipedia.org/wiki/Gravimetry
Also known as Gravimeter, Gravimeters, Gravimetric, Gravimetrics, Gravity meter, Microgravimetry, Satellite gravimetry.
, Sampling (signal processing), Satellite laser ranging, Seismology, Signal processing, Speed of light, Spherical harmonics, Spring (device), Springer Science+Business Media, Standard gravity, Superconductivity, Swarm (spacecraft), Tide, Vacuum, Vibration, Weighing scale.