Geology 228 Introductory Applied and Environmental Geophysics Lecture 2
Site Investigation and A Survey of Environmental Problems
Site Investigation
Purpose: Establishing the subsurface model for the site under investigation Approach:
Literature search,
Geology 228 Applied & Environmental Geophysics Lecture 9
Geomagnetism and magnetic surveys Induced Polarization (IP) Nuclear Magnetic Resonance (NMR)
1. The magnetic field of the earth 2. Magnetic prospecting Magnetic survey instruments Proton precessing
Geology 228/378 Applied and Environmental Geophysics Lecture 6
DC resistivity Surveys
Direct current (DC) Resistivity
1. Introduction 2. Current flow in the ground 3. Schlumberger, Wenner, dipole-dipole, pole-dipole arrays 4. Field methods and instrument
Geology 228 Applied Geophysics Lecture 1
Fundamentals of math and physics
Fundamentals
Basic mathematics
Derivative, integration, differential equation
Basic mechanics
Newtons law, Hookes law, and Darcys law
Basic units and constants
Force, pressure
Geology 228 Applied Geophysics Lecture 4
Seismic Refraction (Reynolds, Ch. 4-6)
Seismic Methods
Some fundamentals of seismic waves One dimensional wave equation the solution of a plane wave in unbounded uniform medium amplitude, phase, frequency, wave nu
BOREHOLE GEOPHYSICAL METHODS
The simplified version of the lecture by Carole D. Johnson USGS, Office of Ground Water Branch of Geophysics Storrs, Connecticut
BOREHOLE GEOPHYSICAL METHODS
Characterize:
Borehole conditions Formation Fractures Fluid Conven
Geology 228 Applied Geophysics Lecture 10
Electromagnetic Methods (EM)
(Reynolds, Ch. 10, 11)
Outline
Lecture
Introduction Principles Systems and Methods (FDEM & TDEM) Case Histories
APPLICATIONS 1. Mineral exploration - metallic elements are found in h
Geology 228/378 Environmental Geophysics Lecture 15
Summary: How to make Site Investigation a Successful Story?
Site Investigation
Purpose: Establishment of the model of the subsurface for the site under investigation Approach:
Literature search, home w
Seismic Field work in Week 5: 2D Seismic refraction field procedure The list for refraction fieldwork instrument 1. Geometrics StrataView 48-channel seismometer 2. Geophone cables (2) 3. Long extension cable for triggering at end fires 4. Vertical geophon