POLAR RESEARCH极地研究

POLAR RESEARCH(英文缩写 POLAR RES-SWEDEN),ISSN 0800-0395,eISSN 1751-8369,中文译名:极地研究 是一本学术期刊。本页汇总该期刊的最新影响因子、分区信息以及最新收录于 PubMed 的文献,帮助您快速了解期刊全貌。

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POLAR RESEARCH 最新收录文献

1. JCR分区: Q4 CAS分区: B4 影响因子: 1.2

   1. {"_":"Human fatigue and the crash of the airship .","i":["Italia"]}

   PMID:

   28490834

   作者:

   Gregg A Bendrick, Scott A Beckett, Elizabeth B Klerman

   期刊:

   Polar research PubMed

   DOI:

   10.3402/polar.v35.27105

   日期:

   2016-07-29

   The airship , commanded by General Umberto Nobile, crashed during its return flight from the North Pole in 1928. The cause of the accident was never satisfactorily explained. We present evidence that the crash may have been fatigue-related. Nobile's memoirs indicate that at the time of the crash he had been awake for at least 72 h. Sleep deprivation impairs multiple aspects of cognitive functioning necessary for exploration missions. Just prior to the crash, Nobile made three command errors, all of which are of types associated with inadequate sleep. First, he ordered a release of lift gas when he should have restarted engines (an example of incorrect data synthesis, with deterioration of divergent thinking); second, he inappropriately ordered the ship above the cloud layer (a deficiency in the assessment of relative risks); and third, he remained above the cloud layer for a prolonged period of time (examples of attention to secondary problems, and calculation problems). We argue that as a result of these three errors, which would not be expected from such an experienced commander, there was no longer enough static lift to maintain level flight when the ship went below the cloud layer. Applying Circadian Performance Simulation Software to the sleep-wake patterns described by Nobile in his memoirs, we found that the predicted performance for someone awake as long as he had been is extremely low. This supports the historical evidence that human fatigue contributed to the crash of the .

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2. JCR分区: Q4 CAS分区: B4 影响因子: 1.2

   2. Microfossils in metasediments from Prins Karls Forland, western Svalbard.

   PMID:

   11538358

   作者:

   A H Knoll, Y Ohta

   期刊:

   Polar research PubMed

   日期:

   1988

   The stratigraphic importance of fossils is never more apparent than in attempts to unravel the complexities of metamorphic terrains. The age and stratigraphic relationships of the thick metasedimentary and metavolcanic succession of Prins Karls Forland, western Svalbard, have been the subject of investigation and debate since the early part of this century (Hoel 1914; Craig 1916; Tyrrel 1924), and sharply different interpretations have been proposed (e.g. Harland et al. 1979; Hjelle et al. 1979). Until now, such interpretations have been unconstrained by palaeontological data, an understandable consequence of the metamorphic alteration undergone by these rocks. In this paper, we report the discovery of stratigraphically useful microfossils preserved in chert nodules from carbonaceous, dolomitic shales on northern Prins Karls Forland. These fossils have significant implications for the stratigraphic and structural interpretation of Forland metasediments, as well as for the more general problem of palaeontological prospecting in severely deformed and metamorphosed terrains, including those characteristic of the Archean Eon.

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