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| DATE | 2017-03-21 |
| FROM | Ruben Safir
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| SUBJECT | Subject: [Learn] Fwd: [dinosaur] Digital mapping of dinosaurian tracksites
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Subject: [Learn] Fwd: [dinosaur] Digital mapping of dinosaurian tracksites
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From: Ben Creisler
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Subject: [dinosaur] Digital mapping of dinosaurian tracksites in Lower
Cretaceous Broome Sandstone of Australia (free pdf)
Reply-To: Ben Creisler
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Ben Creisler
bcreisler-at-gmail.com
A new paper in open access:
Anthony Romilio, Jorg M. Hacker, Robert Zlot, George Poropat, Michael Bosse
& Steven W. Salisbury (2017)
A multidisciplinary approach to digital mapping of dinosaurian tracksites
in the Lower Cretaceous (Valanginian=E2=80=93Barremian) Broome Sandstone of=
the
Dampier Peninsula, Western Australia.
PeerJ 5:e3013
doi:
https://urldefense.proofpoint.com/v2/url?u=3Dhttps-3A__doi.org_10.7717_peer=
j.3013&d=3DDwIFaQ&c=3DclK7kQUTWtAVEOVIgvi0NU5BOUHhpN0H8p7CSfnc_gI&r=3DRy_mO=
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Zci-tB7GD2g&s=3D_Rm5F3ZNIjPZhWFNXDEI5qBCZFD5fH4JGXP1wsOXzU4&e=3D
https://urldefense.proofpoint.com/v2/url?u=3Dhttps-3A__peerj.com_articles_3=
013_&d=3DDwIFaQ&c=3DclK7kQUTWtAVEOVIgvi0NU5BOUHhpN0H8p7CSfnc_gI&r=3DRy_mO4I=
FaUmGof_Yl9MyZgecRCKHn5g4z1CYJgFW9SI&m=3D-wApcb8edh63uYsuy9rLr17-JTA5gwAFZc=
i-tB7GD2g&s=3DvkioGqfpTKN2brmm9pOEEfwMG9oDQK4c6pWHU-McNIE&e=3D
The abundant dinosaurian tracksites of the Lower Cretaceous
(Valanginian=E2=80=93Barremian) Broome Sandstone of the Dampier Peninsula, =
Western
Australia, form an important part of the West Kimberley National Heritage
Place. Previous attempts to document these tracksites using traditional
mapping techniques (e.g., surface overlays, transects and gridlines
combined with conventional photography) have been hindered by the
non-trivial challenges associated with working in this area, including, but
not limited to: (1) the remoteness of many of the tracksites; (2) the
occurrence of the majority of the tracksites in the intertidal zone; (3)
the size and complexity of many of the tracksites, with some extending over
several square kilometres. Using the historically significant and
well-known dinosaurian tracksites at Minyirr (Gantheaume Point), we show
how these issues can be overcome through the use of an integrated array of
remote sensing tools. A combination of high-resolution aerial photography
with both manned and unmanned aircraft, airborne and handheld
high-resolution lidar imaging and handheld photography enabled the
collection of large amounts of digital data from which 3D models of the
tracksites at varying resolutions were constructed. The acquired data
encompasses a very broad scale, from the sub-millimetre level that details
individual tracks, to the multiple-kilometre level, which encompasses
discontinuous tracksite exposures and large swathes of coastline. The
former are useful for detailed ichnological work, while the latter are
being employed to better understand the stratigraphic and temporal
relationship between tracksites in a broader geological and
palaeoecological context. These approaches and the data they can generate
now provide a means through which digital conservation and temporal
monitoring of the Dampier Peninsula=E2=80=99s dinosaurian tracksites can oc=
cur. As
plans for the on-going management of the tracks in this area progress,
analysis of the 3D data and 3D visualization will also likely provide an
important means through which the broader public can experience these
spectacular National Heritage listed landscapes.
=3D=3D=3D=3D
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