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Berlin Environmental Atlas

08.05 Electromagnetic Fields (Edition 1999)

  umweltatlas_logo_klein
go to text Text in Deutsch verfuegbar

This map consists of 9 parts, all of which exist as pictures.
Please click the corresponding part to show it in a bigger size.

Map 08.05.1   Map 08.05.1 / East    
8.05.1 Power Stations, Electricity Grid
and Lines of Distribution
 
Part Eastern Berlin
         
Map 08.05.2   Map 08.05.3    
8.05.2 Magnetic Flux Density beneath
High-voltage Overhead Lines (50 Hz)
 
8.05.3 Undisturbed Electric Field Strength
beneath High-voltage Overhead Lines (50 Hz)
   
         
Map 08.05.4   Map 08.05.5   Map 08.05.6
8.05.4 Magnetic Flux Density
by High-voltage Overhead Lines (50 Hz)
in Vertical Profile
 
8.05.5 Undisturbed Electric Field Strength
by High-voltage Overhead Lines (50 Hz)
in Vertical Profile
 
8.05.6 Influence of Trees
on the Spread of Electric Fields
beneath Overhead Lines (50 Hz)
         
Map 08.05.7   Map 08.05.8   Map 08.05.9
8.05.7 Magnetic Flux Density
at a Substation (50 Hz)
 
8.05.8 Magnetic Flux Density
by the Railroad Track at Savignyplatz (16 2/3 Hz)
 
8.05.9 Magnetic Flux Density
by the S-Bahn Track at Savignyplatz
(0 Hz, Constant Field)

Explanations and Imprint of the Map
  1. Humans today are exposed to electromagnetic fields produced by our technological way of living. The field strength of these anthropogenic (produced by humans) electromagnetic fields sometimes exceeds the strength of natural electromagnetic fields which have existed for uncountable ages. Clarifying how these fields effect living organisms is a current subject of worldwide research. Possible health hazards are controversial and are being discussed by the public and by specialists.
    The general insecurity manifested in terms like „electrosmog“ and „electrosensitivity“ , however, is strongly marked by a lack of information on these „new“ environmental factors. Therefore the most urgent goal of this environmental atlas map is a portrayal of electromagnetic field strengths in the human habitat.
  2. The increasing spread of energy supplies and information technology requires limiting and precautionary measures to ensure that development is environmentally and socially tolerable. Priority needs for action became especially clear in areas related to infrastructure. Applicable for this, since 1 Jan 1997, is the 26th Ordinance for Implementation of the Federal Pollution Control Law. The 26th BImSchV uses international standards to define "Requirements for the Protection of the General Public and Neighborhoods from Damaging Environmental Effects From Electromagnetic Fields". The regulation defines low frequency facilities as stationary plants for the transformation and transmission of electricity at a voltage of 1,000 volts or more. The value limits for these low frequency facilities are:
    lg1et805

    The values on this list may be exceeded by up to 100 % under certain conditions; magnetic flux densities may deviate for brief times, and electric field strengths may deviate in small areas.

  3. Large technical facilities are depicted in the map. Humans are also exposed to numerous sources of electric and magnetic fields at home and at work. These field strengths may exceed those of the facilities mentioned above. Field strength is very dependent on the distance to the appliance, as well as its technical construction. Technical construction is responsible for the scattering of the value ranges of individual appliance types.
    The chart below depicts these relationships.
    lg2et805
    Comparable values of magnetic flux densities at 50 Hz:
    < 0.1 µT : average flux density in residences
    < 0.2 - 0.4 µT : disturbance of EKG and EEG recordings (WHO)
    > 0.7 µT : disturbance of data display units (DIN VDE 0228T6)
    20 µT : influence threshold for heart pacemakers (IRPA)
    (worst case)
    Comparable values of electrical field strengths at 50 Hz:
    0.0001 kV/m : natural background field strength (WHO)
    1.0 kV/m : influence threshold for heart pacemakers (IRPA)
    (worst case)
    Comparable values of magnetic flux density at 0 Hz (constant field):
    < 0.1 µT : maximum natural flucuation of the terrestrial magnetic field (WHO)
    42 µT : terrestrial magnetic field Germany
    33 - 67 µT : terrestrial magnetic worldwide
    > 200 µT : color distortions on data display units

Imprint of the Map

Scale:
1 : 20 000 / 1 : 2 000

Published by:
Senate Department for Urban Development in Berlin, Environmental Protection and Technology
Public relations

Conception:
Gruppe VI B 2 (Informationssytem Umwelt - Ökologische Planungsgrundlagen),
in Zusammenarbeit mit der
FGEU - Forschungsgesellschaft für Energie und Umwelttechnologie GmbH

Text:
FGEU

Editing:
VI B 2, Kathrin Schellhardt

Data:

  • FGEU: Pilotstudie zur elektrischen und magnetischen Feldexposition im Stadtgebiet Berlin

Data processing and map production:

  • FGEU;
  • VI B 2

Cartographic design:
VI B 2, Claudia Schulte

Data from:
June 1998

Based on the maps:
ALK 1 : 1 000 Digitale Arbeitskarte 1 : 50 000 des UIS Berlin

Edition 1998

go to text Text in Deutsch verfuegbar

legend


805_1 power station
805_2 380(220)/110-kV TS
805_3 110/10(6)-kV TS
805_4 380-kV cable
805_5 380-kV overhead line
805_6 220-kV overhead line
805_7 110-kV cable
805_8 110-kV overhead line
805_9 380-kV cable
in construction
805_10 380/220-kV overhead line
in construction

TS = transformer station

805_12 area with additional measurements
(further informations map part Eastern Berlin)

magnetic flux density (µT) by 50 Hz in 1 m above ground

yc159 > 0.1 - 2
yc113 > 2 - 4
yc067 > 4 - 6
yc025 > 6 - 8
yc022 yc022 > 8 - 10
yc069 > 10 - 20
yc116 > 20 - 30
yc196 > 30 - 40
yc233 > 40 - 50
yc224 > 50 - 60
yc219 > 60 - 70
yc213 > 70 - 80
yc207 > 80 - 90
yc167 > 90 - 100
yc127 > 100

limit value: 100 µT
(26th BImSchV 1997)

805_11 vertical profile
see 08.05.4

electric field strength (kV/m) by 50 Hz in 1 m above ground

yc113 > 0.5 - 1.0
yc114 > 1.0 - 2.0
yc224 > 2.0 - 3.0
yc213 > 3.0 - 4.0
yc167 > 4.0 - 5.0
yc127 > 5.0 - 6.0
yc087 > 6.0

limit value: 5 kV/m
(26th BImSchV 1997)

805_11 vertical profile
see 08.05.6

The real observable values often are lower than the represented values due to buildings or vegetation. (see 08.05.6)

magnetic flux density (µT) by 50 Hz in vertical profile

yc159 > 0.1 - 2
yc113 > 2 - 4
yc067 > 4 - 6
yc025 > 6 - 8
yc022 yc022 > 8 - 10
yc069 > 10 - 20
yc116 > 20 - 30
yc196 > 30 - 40
yc233 > 40 - 50
yc224 > 50 - 60
yc219 > 60 - 70
yc213 > 70 - 80
yc207 > 80 - 90
yc167 > 90 - 100
yc127 > 100

limit value: 100 µT
(26th BImSchV 1997)

electric field strength (kV/m) by 50 Hz in vertical profile

yc233 > 0.5 - 1
yc226 > 1 - 2
yc219 > 2 - 3
yc213 > 3 - 4
yc207 yc207 > 4 - 5
yc127 > 5 - 10
yc130 > 10 - 15
yc020 > 15 - 20
yc014 > 20 - 25
yc007 > 25

limit value: 5 kV/m
(26th BImSchV 1997)

electric field strength (kV/m) by 50 Hz in vertical profile

yc233 > 0.5 - 1
yc226 > 1 - 2
yc219 > 2 - 3
yc213 > 3 - 4
yc207 yc207 > 4 - 5
yc127 > 5 - 10
yc130 > 10 - 15
yc020 > 15 - 20
yc014 > 20 - 25
yc007 > 25

limit value: 5 kV/m
(26th BImSchV 1997)

magnetic flux density (µT) by 50 Hz

yc159 > 0 - 0.2
yc113 > 0.2 - 0.4
yc067 > 0.4 - 0.6
yc025 > 0.6 - 0.8
yc022 > 0.8 - 1.0
yc069 > 1.0 - 1.2
yc116 > 1.2 - 1.4
yc196 > 1.4 - 1.6
yc233 > 1.6 - 1.8
yc226 > 1.8

limit value: 100 µT
(26th BImSchV 1997)

magnetic flux density (µT) by 16 2/3 Hz

yc159 > 0.1 - 6
yc113 > 6 - 12
yc067 > 12 - 18
yc025 > 18 - 24
yc022 yc022 > 24 - 30
yc069 > 30 - 60
yc116 > 60 - 90
yc196 > 90 - 120
yc233 > 120 - 150
yc224 > 150 - 180
yc219 > 180 - 210
yc213 > 210 - 240
yc207 > 240 - 270
yc167 > 270 - 300
yc127 > 300

limit value: 300 µT
(26th BImSchV 1997)

The represented values are temporary peak values varying in subject to operation activities.

magnetic flux density (µT) by 0 Hz (constant field)

yc232 < 10
yc114 > 10 - 20
yc158 > 20 - 30
yc159 > 30 - 40
yc113 yc113 > 40 - 50
yc107 > 50 - 100
yc061 > 100 - 150
yc137 > 150

The represented values are temporary peak values varying in subject to operation activities.