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