Knowing the gravity anomalies and it generates over the bodies is important from the point of view gravimetric, as this will allow us to see through certain devices and / or tools such changes in the gravitational field of the Earth.
To this must be taken into account and that the entire mass always has a gravitational field which changes the physical characteristics of the surrounding environment, in this case, the gravitational field of the Earth at some point. This variation of the gravitational field generated by a foreign object that interests us is the study and analysis to determine that some body or foreign material is at that point altering the Earth's gravitational field.
Considering only the gravitational pull, correct in our math and / or equipment is a difference according to the location where we are carrying out our measures. These differences must be commensurate with the ellipsoidal geometry of the Earth (polar flattening or equatorial bulge) and rotational movement there (theoretical gravity).
These features make the gravitational field of the Earth is not established, the entire surface, so you should keep in mind these characteristics of our planet to perform our work in the field. But the good thing is that existing equipment, at least most of them, have already considered these features in the measurements performed but it is always good that the Geophysical note.
Remember that the mechanics of gravimetry is to analyze the anomaly created by the gravitational unlike any body or material and the Earth's gravitational field.
Analyze and study that body or material generates such a change in the Earth's gravitational field causes a difficult task to complete but with the help of some other geophysical methods will be possible to determine what material or body is generating the anomaly.
In conclusion, the Geophysical understanding the gravity anomaly produced by a body due to the gravitational attraction is defined as the difference between the observed gravity value at some point-usually a point on its surface and the theoretical gravity obtained a model that considers the size, mass and rotation of the planet.
To this must be taken into account and that the entire mass always has a gravitational field which changes the physical characteristics of the surrounding environment, in this case, the gravitational field of the Earth at some point. This variation of the gravitational field generated by a foreign object that interests us is the study and analysis to determine that some body or foreign material is at that point altering the Earth's gravitational field.
Considering only the gravitational pull, correct in our math and / or equipment is a difference according to the location where we are carrying out our measures. These differences must be commensurate with the ellipsoidal geometry of the Earth (polar flattening or equatorial bulge) and rotational movement there (theoretical gravity).
These features make the gravitational field of the Earth is not established, the entire surface, so you should keep in mind these characteristics of our planet to perform our work in the field. But the good thing is that existing equipment, at least most of them, have already considered these features in the measurements performed but it is always good that the Geophysical note.
Remember that the mechanics of gravimetry is to analyze the anomaly created by the gravitational unlike any body or material and the Earth's gravitational field.
Analyze and study that body or material generates such a change in the Earth's gravitational field causes a difficult task to complete but with the help of some other geophysical methods will be possible to determine what material or body is generating the anomaly.
In conclusion, the Geophysical understanding the gravity anomaly produced by a body due to the gravitational attraction is defined as the difference between the observed gravity value at some point-usually a point on its surface and the theoretical gravity obtained a model that considers the size, mass and rotation of the planet.
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