Magnetics GPH 492 John Louie Spring 2010

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Magnetics GPH 492 John Louie Spring 2010 Sam Saunders, Todd Morine, Miles Kreidler, and Ryan Loux

description

Magnetics GPH 492 John Louie Spring 2010. Sam Saunders, Todd Morine , Miles Kreidler , and Ryan Loux. Overview. Project Methods Data Results Sources of Error. Project. Spring Break April 21-26 GPH 492 Field Exercise Magnetic Surveys of 4 transects completed over 5 days - PowerPoint PPT Presentation

Transcript of Magnetics GPH 492 John Louie Spring 2010

Page 1: Magnetics GPH 492 John Louie Spring 2010

MagneticsGPH 492

John LouieSpring 2010

Sam Saunders, Todd Morine, Miles Kreidler, and Ryan Loux

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Project Methods Data Results Sources of Error

Overview

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Spring Break April 21-26 GPH 492 Field Exercise Magnetic Surveys of 4 transects completed

over 5 days◦ Hidden Valley North◦ Hidden Valley South◦ Prater◦ Whitewood

Project

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One set of 2 magnetometers used◦ 1 Base station◦ 1 mobile station

Equipment was from 1980

Base station magnetometer broke after Day 2

Methods

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Need for base station

Need for calibration of instrument

Methods, continued

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Northing (m) Easting (m) Time Total Magnetic Field (nT) Noise (nT)

Data Collected

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Not what we expected Instrument error suspected

Results

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Results, continued

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Results, continued

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Results, continued

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Instrument Error◦ Low Kerosene in magnetometer◦ Calibration needed?◦ Initial base station calibration

Local interference◦ Any metal objects◦ Power lines◦ Cellular phones

Sources of Error

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Questions?