NFYK14023U The Gravity Field of the Earth
The aim of the course is to work with basic physical geodesy, potential theory and with the practical methods for handling the gravity data (spherical harmonics, integral equations, Fourier transformation, collocation/kriging, standard geodetic software, plotting ..).
The course aims also on understanding the principles for using the gravity data in geological interpretation and in geophysical exploration for oil, gas and minerals. On a short field trip we will measure surface gravity in the Copenhagen area by relative instruments and learn how to process such gravity data. Furthermore, we aim on understanding the principles for marine- and aerogravity measurements as well as gravity measurements from satellites. Finally, we will model a geoid and study- and interpret geophysically the time-wise changes of the gravity field over Greenland.
Skills:
- Apply spherical harmonic function to describe the gravity field and associated quantities
- Measure the gravity and compute the gravity anomalies
- Compute terrain effects and other contributions to the gravity field
- Compute a geoid from gravity data and compare with GPS data
Knowledge:
- Describe satellite orbits
- Describe a reference system, rotation and flattening
Competences:
- Derive gravity field from GRACE data
- Apply statistical methods for gravity field estimation
- Category
- Hours
- Exam
- 40
- Exercises
- 80
- Field Work
- 6
- Lectures
- 40
- Preparation
- 40
- Total
- 206
As
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Continuing Education - click here!
- Credit
- 7,5 ECTS
- Type of assessment
- Written assignment1 week term paper immediately after the course
- Marking scale
- 7-point grading scale
- Censorship form
- No external censorship
several internal examiners
Criteria for exam assesment
see learning outcome
Course information
- Language
- English
- Course code
- NFYK14023U
- Credit
- 7,5 ECTS
- Level
- Full Degree Master
- Duration
- 1 block
- Placement
- Block 2
- Schedule
- C (Mon 13-17 + Wednes 8-17)
- Continuing and further education
- Study board
- Study Board of Physics, Chemistry and Nanoscience
Contracting department
- The Niels Bohr Institute
Course responsibles
- Aksel Walløe Hansen (3-647a6b4371656c316e7831676e)
Lecturers
Gabriel Strykowski