Title: Subsurface Mapping by Ambient Noise Tomography (Brief Introduction) 1. Understanding subsurface (lithology, structure...): important in several discipline: geotechnical engineering, volcanology, geomorphology, civil engineering, economic geology... 2. Drilling borehole: traditional method, but invasive 3. Geophysical survey: non-invasive method to image the subsurface 4. Example of geophysical survey technique: electrical resistivity, gravity anomaly, seismic 5. Use of ambient noise: raising usage and thus attention
Part 1: Source of Ambient Noise 1. Brief classification of seismic source 2. Nature of ambient noise: passive/background noise
2.1
1. Active source
2. Passive source
3. Natural source
4. Artificial source
5. Factor that alter the seismic velocity
6. types of seismic waves
7. Limitation of using ambient noise
8. Regular variation of ambient noise
9. Common frequency of ambient noise
Part 2: Seismic Velocity Structure Modelling 1. Data collection method 2. Subsurface Introduction 3. Cross correlation and green's function 4. Modelling technique
Part 3: Application of Subsurface Mapping 1. Volcano Monitoring 2. Landslide Monitoring 3. Exploration of subsurface structure
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