Zobrazeno 1 - 10
of 25
pro vyhledávání: '"Tapani Tukiainen"'
Autor:
Bjørn Thomassen, Tapani Tukiainen
Publikováno v:
Geological Survey of Denmark and Greenland Bulletin. 20:71-74
An airborne hyperspectral survey was organised by the Geological Survey of Denmark and Greenland (GEUS) and carried out in 2000 to test the use of spectral analysis in mineral exploration under Arctic conditions. The hyperspectral data were acquired
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b128e0733637df2f57cbfd3cf1d555f4
https://doi.org/10.34194/geusb.v20.4982
https://doi.org/10.34194/geusb.v20.4982
Autor:
Tapani Tukiainen, Enton Bedini
Publikováno v:
Geological Survey of Denmark and Greenland Bulletin. 17:69-72
Remote sensing is the science of acquiring, processing, and interpreting images and related data acquired from aircraft and satellites that record the interaction between matter and electromagnetic energy (Sabins 1997). The 450–2500 nm wavelength r
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cfb85f81b9c765d835b1c3ad7ca30a87
https://doi.org/10.34194/geusb.v17.5017
https://doi.org/10.34194/geusb.v17.5017
Autor:
Peter R. Dawes, Tapani Tukiainen
Publikováno v:
Geological Survey of Denmark and Greenland Bulletin. 15:77-80
Hans Ø – or Tartupaluk to the indigenous population of North-West Greenland – is a small steeply sided island in Nares Strait at c. 80°50´N. Charted in 1871 and named after Greenlander Hans Hendrik, it is one of five limestone islands forming
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c586a5f9813fc13bc39a69c1d658af9c
https://doi.org/10.34194/geusb.v15.5049
https://doi.org/10.34194/geusb.v15.5049
Autor:
Leif Thorning, Tapani Tukiainen
Publikováno v:
Geological Survey of Denmark and Greenland Bulletin. 7:69-72
Previous investigations by the Geological Survey of Denmark and Greenland (GEUS) and exploration companies have demonstrated that some of the kimberlites in West Greenland are diamond bearing, making the region an important target for diamond prospec
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::60ed22278c48a717cc9d8448438891e0
https://doi.org/10.34194/geusb.v7.4845
https://doi.org/10.34194/geusb.v7.4845
Autor:
Tapani Tukiainen
Publikováno v:
Geology of Greenland Survey Bulletin. 189:122-126
In remote sensing terminology the word ‘hyperspectral’ is used to distinguish sensors with several tens or hundreds of bands from the traditional ‘multispectral’ sensors such as Landsat TM or Landsat MSS. The success of hyperspectral techniqu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f7213e4793af2956ec4ea97f3298a554
https://doi.org/10.34194/ggub.v189.5167
https://doi.org/10.34194/ggub.v189.5167
Publikováno v:
Geology of Greenland Survey Bulletin. 183:39-45
The Upernavik 98 project is a one-year project aimed at the acquisition of information on mineral occurrences and potential in North-West Greenland between Upernavik and Kap Seddon, i.e. from 72°30′ to 75°30′N (Fig. 1A). A similar project, Karr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::626ef05c3ee53bfdedc3c3f201f85f33
https://doi.org/10.34194/ggub.v183.5203
https://doi.org/10.34194/ggub.v183.5203
Publikováno v:
Geology of Greenland Survey Bulletin. 181:119-128
The Saqqaq supracrustal rocks in southern Nuussuaq, West Greenland, host stratiform gold mineralisation in a 3–4 m thick impure chert horizon of volcanogenic-exhalative origin; chip samples average c. 0.8 ppm Au (thickness 3.3 m) over a strike leng
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7f2674616acace8c1957633c336b8cb8
https://doi.org/10.34194/ggub.v181.5120
https://doi.org/10.34194/ggub.v181.5120
Publikováno v:
Annals of Glaciology. 23:144-148
In Kronprins Christian Land at 80° N in eastern north Greenland, it has been observed that the surface of the Wisconsin ice is significantly darker than the Holocene ice found immediately upstream from a transition located 710 m from the ice margin.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3984778fc01b94c7fbb92af5e08e5979
https://doi.org/10.1017/s0260305500013367
https://doi.org/10.1017/s0260305500013367