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Helicopter-borne Electromagnetics (HEM) Area 139 Varel

BGR conducted within the project „Airborne geophysical surveys for mapping the shallow subsurface in Germany “ (D-AERO) airborne surveys at the German North Sea coast. The survey area Varel (2014) is bounded by the Cities of Wilhelmshaven and Brake to the north and east, by Jaderberg, Mittelort and Sande to the south and west. The size of the area is about 319 km². The area was surveyed with 8 flights totalling to 1245 line-km (322,471 survey points). The nominal separation of the 63 WNW-ESE lines and 8 SSE-NNW tie lines was 250 m and 2000 m, respectively. The maps display the geophysical parameters apparent resistivity and centroid depth derived from the HEM data at the six frequencies of the HEM system (0.4 - 130 kHz). Furthermore, horizontal and vertical slices were derived from layered-earth models (resistivities and thicknesses of six model layers).

Simple

Alternate title

139VarelHEM

Date (Publication)
2017-08-07
Citation identifier
3e0e525e-e156-84dc-89dd-71d94312a0d1
Citation identifier
http://doi.org/10.25928/bgr139hem
Status
Completed
Point of contact
  Bundesanstalt für Geowissenschaften und Rohstoffe (BGR)
Stilleweg 2 , Hannover , 30655 , Deutschland

GEMET - INSPIRE themes, version 1.0

  • Geologie

  • Geology

GEMET - Concepts, version 2.4

  • Geophysik

Theme
  • Aerogeophysik

  • Hubschrauber-Elektromagnetik

  • elektrische Leitfähigkeit

  • spezifischer Widerstand

  • Halbraumwiderstand

  • Schwerpunktstiefe

  • airborne geophysics

  • helicopter-borne electromagnetics

  • electrical conductivity

  • resistivity

  • apparent resistivity

  • centroid depth

Place
  • Niedersachsen

Access constraints
Other restrictions
Other constraints
Es gelten keine Zugriffsbeschränkungen
Use constraints
Other restrictions
Other constraints

Allgemeine Geschäftsbedingungen, siehe https://www.bgr.bund.de/AGB - General terms and conditions, see https://www.bgr.bund.de/AGB_en . Die bereitgestellten Informationen sind bei Weiterverwendung wie folgt zu zitieren: Datenquelle: 139VarelHEM, (c) BGR, Hannover, 2017

Spatial representation type
Grid
Language
Deutsch
Character set
UTF8
Topic category
  • Geoscientific information
N
S
E
W
thumbnail


Unique resource identifier
EPSG:31467
Distribution format
  • georef. TIFF ( n/a )

  • PDF ( n/a )

Transfer size
87
OnLine resource
139VarelHEM (georef. TIFF)

139VarelHEM im Format georef. TIFF

Transfer size
486
OnLine resource
139VarelHEM (PDF)

139VarelHEM im Format Adobe Acrobat

OnLine resource
BGR-Website: Projekt D-AERO
OnLine resource
Technischer Bericht Archiv-Nr. offen
Hierarchy level
Dataset

Conformance result

Date (Publication)
2010-12-08
Explanation

siehe dazu die angegebene Durchführungsbestimmung

Statement

Erarbeitung im Rahmen der BGR-Projekte "D-AERO" und "D-AERO-Auswertung"

File identifier
7ba99108-7e17-475c-9068-4c060fac3494 XML
Metadata language
Deutsch
Character set
UTF8
Parent identifier
Helicopter-borne Electromagnetics (HEM)

5d3c332a-bce3-498f-840f-3cbf19359aef

Hierarchy level
Dataset
Hierarchy level name

Geophysik

Date stamp
2026-01-13
Metadata standard name

INSPIRE Metadata Implementing Rules: Technical Guidelines based on EN ISO 19115 and EN ISO 19119

Metadata standard version

n/a

Point of contact
  Bundesanstalt für Geowissenschaften und Rohstoffe (BGR)
https://produktcenter.bgr.de
 
 

Overviews

overview

Spatial extent

N
S
E
W
thumbnail


Keywords

Aerogeophysik Halbraumwiderstand Hubschrauber-Elektromagnetik Schwerpunktstiefe airborne geophysics apparent resistivity centroid depth electrical conductivity elektrische Leitfähigkeit helicopter-borne electromagnetics resistivity spezifischer Widerstand
GEMET - Concepts, version 2.4
Geophysik
GEMET - INSPIRE themes, version 1.0
Geologie Geology

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