COURSE UNIT TITLE

: ABSORPTION IN MARINE SEDIMENTS

DEGREE PROGRAMMES

Description of Individual Course Units

Course Unit Code Course Unit Title Type Of Course D U L ECTS
DJJ 6007 ABSORPTION IN MARINE SEDIMENTS ELECTIVE 2 0 0 7

Offered By

Graduate School of Natural and Applied Sciences

Level of Course Unit

Second Cycle Programmes (Master's Degree)

Course Coordinator

PROFESSOR ATILLA ULUĞ

Offered to

MARINE GEOLOGY AND GEOPHYSICS
MARINE GEOLOGY AND GEOPHYSICS

Course Objective

The seismic waves absorption is an extremely important issue in both the seismology and seismic prospecting. The factors that are still the research subject depending on absorption, and it is available some studies related to this issue. Although to measuring the seismic waves absorption is various techniques, generally this studies are made experiments on hard rocks in the laboratory or the evaluation by measuring of seismic wave amplitudes. However, The aim of this course gives to information about the absorption measurements on soft rock.

Learning Outcomes of the Course Unit

1   the basic principles of wave propagation describes
2   Examines the absorption measurement techniques
3   The frequency dependence of seismic wave absorption shows
4   Absorption measurements in the marine seismic studies
5   The relationship between seismic and sedimentological parameters of theoretical models explains

Mode of Delivery

Face -to- Face

Prerequisites and Co-requisites

None

Recomended Optional Programme Components

None

Course Contents

Week Subject Description
1 The describe of absorption, terminology. The basic principles of wavw propagation.
2 The physical explanation of absorption. Rocks, internal disorders, complex modules.
3 Absorption measurement techniques, laboratory absorption measurements.
4 Calculation of the amplitude of seismic wave absorption. The principles of spectral correlation.
5 Wave absorption by the method of proportional calculation.
6 Station account the absorption ratio method. Supply mantle seismic wave absorption. The effect of seismic source function
7 Midterm Exam I
8 Dry rocks absorption mechanism. Liquid and gaseous absorption mechanisms rocks.
9 The frequency dependence of seismic wave absorption. Absorption effect of temperature and pressure.
10 Absorption due to viscosity. Pore absorption effect of fluid flow.
11 Absorption of frozen rocks. Other sources of absorption.
12 Marine seismic studies, absorption measurements. The effects of absorption of other seismic events. Crust and mantle models for the absorption of supply.
13 Theoretical models of the relationship between seismic and sedimentological parameters.
14 Midterm Exam II

Recomended or Required Reading

1) Frequenzabhaengigkeit von Q seismischer Raumwellen im Erdmantel by A. Ulug, Im Eigenverlag des Instituts Nr. 49, Frankfurt am Main, 1983.
2) Frequency Dependence of Q for Seismic Body Waves in the Earth s Mantle by A. Ulug & H. Berckhemer, J. Geophys., 56, 9-19, 1984.
3) Seismic Wave Attenuation ed. by M.N. Toksöz and D.H. Johnston, Society of Exploration Geophysicists Publ. Reprint Series, No: 2, Oklahoma, 1981.
4) Shear Wave Studies in Shallow Sediments in Seismic Shear Waves ed. by G. Dohr, Geophysical Press, 1985.
5) Attenuation Properties of Sediments by R. Meissner and F. Theilen, 11th World Petrol. Congr., Sp. paper No: 3, London, 1983.
6) Spectral Analysis in Geophysics by M. Bath, Elsevier Scientific Publishing Co., Amsterdam, 1974.

Planned Learning Activities and Teaching Methods

Presentation, homework

Assessment Methods

SORTING NUMBER SHORT CODE LONG CODE FORMULA
1 MTE MIDTERM EXAM
2 FIN FINAL EXAM
3 FCG FINAL COURSE GRADE MTE * 0.40 + FIN * 0.60
4 RST RESIT
5 FCGR FINAL COURSE GRADE (RESIT) MTE * 0.40 + RST * 0.60


Further Notes About Assessment Methods

To be announced.

Assessment Criteria

Students are assessed by their study on literature survey on the topic, data collection, compilation, analysis and reporting on the results and their ability to report on the subject prepared by the end of the term.

Language of Instruction

Turkish

Course Policies and Rules

To be announced.

Contact Details for the Lecturer(s)

atilla.ulug@deu.edu.tr

Office Hours

To be announced.

Work Placement(s)

None

Workload Calculation

Activities Number Time (hours) Total Work Load (hours)
Lectures 12 2 24
Preparations before/after weekly lectures 12 5 60
Preparation for midterm exam 2 15 30
Preparing assignments 2 10 20
Preparation for final exam 1 20 20
Final 1 4 4
Midterm 2 3 6
TOTAL WORKLOAD (hours) 164

Contribution of Learning Outcomes to Programme Outcomes

PO/LOPO.1PO.2PO.3PO.4PO.5PO.6PO.7PO.8PO.9PO.10PO.11PO.12PO.13
LO.14121142111455
LO.24111131111555
LO.34111141111454
LO.44141141111455
LO.53111114111555

CONTACT INFORMATION
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Phone: +90(232) 412 12 12 - Fax: +90 (232) 464 81 35

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