Post on 01-Jan-2016
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Use of Magnetic Proxies
anomalous magnetic patterns
correlate with
areas of anthropogenic influence
• quickly delineating polluted areasquickly delineating polluted areas
• monitoring long-term changesmonitoring long-term changes
... making the method effective for:
in many cases ...
Use of Magnetic Proxiesto outline contaminated areas
because magnetic particles
may be linked to contaminants (heavy metals,...)
• by having same sourcessame sources
(metallurgic industry, combustion,...)
• by having similar transport pathssimilar transport paths
(transport by air & water)
• magnetic particles may be sinks for heavy metals
Magnetic Pollution Screening along Highway
magnetic
susceptibility
C. Spiteri
Medium Scale: Coal Burning Power PlantR2 = 0.9783
0.002.004.006.008.00
10.0012.00
0 20 40 60 80 100[Zn] (mg/kg)
X (
x10-
6 m
3 /kg
)
R2 = 0.9708
0
20
40
60
80
100
0.00 5.00 10.00 15.00[Pb] (mg/kg)
X (
x10-
6 m
3 /kg
)
5704000
5705000
5706000
5707000
5708000
5709000
5710000
5711000
5712000
5713000
5714000
5715000
5716000
004
005
006
007
071
072
073074 075
076
077
078079
080
081
082
083
129
130
131
132
133
134
135
136
137
138139
140
008009
010
011
012013
014014a
015016017
018
019020
021
022023
024025026
027028
029
030
031032
033034035
036037
038039
040041
042
043 044
045047
048
064
065
066067
068
069070
049
050051 052
053
054
055
056057058059
060061
062
063
457000 459000 461000 463000 465000
20
40
60
80
100
120
140
160
180
200
220
240
260
280
300
x10 E-05 S I
0m 1000m
SchwarzePum pe
Spremberg
single core
integrated
susceptibility surface measurements
Zn
Zn
Pb
Pb
Cu
Cr
Cd
Ni
Large Scale:Magnetic Susceptibility Mapping
in Central Europe
Vertical Profiles of Magnetic Susceptibility
C. Spiteri
important to ...
• improve estimation of accumulation
• separate anthropogenic from natural signals
PC connection
Pick-up coil
Microprocessor and engine unit
Power supply connection
Transport case
MAGPROX SM400IN-SITU
DOWNHOLE DATA
Bulgarian Part of Danube
D. Jordanova
Magnetic Susceptibility of LeavesKathmandu City (Nepal)
(diamonds for silk y oak & bottle brush;circles for cypress)
M a g n e t ic S u s c e p t ib i l i tyo f le a v e s -w i th -d u s t
(x 1 0 m /k g )-8 3
2 to 4
4 to 8
8 to 1 6
1 6 to 3 2
3 2 to 6 4
2 km
N I PB CU M N CR ZN FE
0 20 40 60 80 100
linkage diagram
F e
Z n
C u
P b
N i
C r
correlation (r) of susceptibility with …
P. Gautam
Standardization