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Mapping Ni-Cu (PGE) bearing ultramafic rocks and associated gossans with airborne and simulated EnMAP satellite hyperspectral imagery, Nunavik, CANADA

Rogge, Derek and Rivard, Benoit and Laakso, Kati and Segl, Karl (2014) Mapping Ni-Cu (PGE) bearing ultramafic rocks and associated gossans with airborne and simulated EnMAP satellite hyperspectral imagery, Nunavik, CANADA. IGARSS and Canadian Symposium on Remote Sensing, July 13-18, 2014, Quebec City, Canada.

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Abstract

This study investigates the use of AISA optical airborne hyperspectral (2 m spatial resolution) and simulated satellite EnMAP (30 m) to produce detailed lithologic maps in a subarctic region (Nunavik, Canada) where ultramafic rock units associated with Ni-Cu-(PGE) mineralization are exposed in the presence of lichen coatings. Spectral mixture analysis methods were used to first derive image endmembers and subsequently unmix the image pixels to generate abundance maps that can be used to map the geological materials of interest, specifcally mafic, ultramafic and gossan units. Results demonstrates the feasibility of both AISA and EnMAP to provide large scale reconnaissance mapping capability of geologic materials over vast subarctic and arctic regions where field access is limited.

Item URL in elib:https://elib.dlr.de/102057/
Document Type:Conference or Workshop Item (Speech)
Title:Mapping Ni-Cu (PGE) bearing ultramafic rocks and associated gossans with airborne and simulated EnMAP satellite hyperspectral imagery, Nunavik, CANADA
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Rogge, Derekderek.rogge (at) dlr.deUNSPECIFIED
Rivard, Benoitbenoit.rivard (at) ualberta.caUNSPECIFIED
Laakso, KatiEarth and Atmospheric Sciences, University of Alberta, CanadaUNSPECIFIED
Segl, Karlsegl (at) gfz-potsdam.deUNSPECIFIED
Date:13 July 2014
Refereed publication:No
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:AISA, EnMAP, Hyperspectral, Geology
Event Title:IGARSS and Canadian Symposium on Remote Sensing
Event Location:Quebec City, Canada
Event Type:international Conference
Event Dates:July 13-18, 2014
Organizer:IEEE
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Earth Observation
DLR - Research area:Raumfahrt
DLR - Program:R EO - Erdbeobachtung
DLR - Research theme (Project):R - Vorhaben Fernerkundung der Landoberfläche (old)
Location: Oberpfaffenhofen
Institutes and Institutions:German Remote Sensing Data Center > Land Surface
Deposited By: Rogge, Derek
Deposited On:13 Jan 2016 12:55
Last Modified:10 May 2016 23:41

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