Carbonate preservation records of the past 3 Myr in the Norwegian–Greenland Sea and the northern North Atlantic: implications for the history of NADW production

2002 ◽  
Vol 184 (1-2) ◽  
pp. 17-39 ◽  
Author(s):  
Rüdiger Henrich ◽  
Karl-Heinz Baumann ◽  
Robert Huber ◽  
Helge Meggers
1992 ◽  
Vol 11 (1) ◽  
pp. 58-58 ◽  
Author(s):  
Henning A. Bauch

Abstract. Planktonic foraminifers from Pleistocene sediments from the Norwegian-Greenland Sea (NGS) have been subject to intense investigation during the past 20 years. This is mainly due to their almost continuous presence in glacial and interglacial times, and hence, their utility for establishing sound O18-isotopic curves. Traditionally, all are assigned to a polar and subpolar group. Neogloboquadrina pachyderma (sinistral) is the only polar species, whereas the subpolar group is made up of Globigerina quinqueloba, G. bulloides, G. universa, N. pachyderma (dextral), N. dutertrei, Globigerinita glutinata, Gl. uvula, Globorotalia inflata, Glr. truncalutinoides, Glr. scitula. N. pachyderma (sinistral) is almost continuously present during glacial/interglacial times. This is in contrast to the subpolar species that show main abundances in interglacial maxima only. Prior to this study, a species belonging to the genus Beela has never been mentioned to occur in Pleistocene sediments north of 55° latitude (Holmes, 1984). My specimens exhibit a thin-walled spinose test; trochospiral becoming streptospiral; last chamber radially elongated but never pointed or digitate; aperture very variable from small umbilical to larger extraumbilical-umbilical. Its size ranges from 200–660μm, but is mainly confined to the 250–500μm mesh-size fraction.These general characteristics agree well with the emendation of the genus Beela by Holmes (1984). Accordingly, the described species will in future be assigned to Beela megastoma (Earland).There is good evidence that Beela megastoma is not simply a ‘warmer water form’ being swept into the NGS by North Atlantic Waters as some of those mentioned above, but a species that seems to. . .


1997 ◽  
Vol 8 (2) ◽  
pp. 84-85

The Governments of the Federal Republic of Germany and the Czech Republic Recalling the Treaty of 27 February 1992 on Good-neighborliness and Friendly Cooperation between the Federal Republic of Germany and the Czech and Slovak Federal Republic with which Germans and Czechs reached out to each other, Mindful of the long history of fruitful and peaceful, good-neighborly relations between Germans and Czechs during which a rich and continuing cultural heritage was created, Convinced that injustice inflicted in the past cannot be undone but at best alleviated, and that in doing so no new injustice must arise, Aware that the Federal Republic of Germany strongly supports the Czech Republic's accession to the European Union and the North Atlantic Alliance because it is convinced that this is in their common interest.


2022 ◽  
Author(s):  
Yoshimi Kubota ◽  
Steven Clemens ◽  
Kyung Eun Lee ◽  
Ann Holbourn ◽  
Etsuko Wakisaka ◽  
...  

Abstract The history of abrupt climate change in East Asia is often discussed from hydroclimate proxies that record the isotopic composition of rainfall. However, the underlying mechanisms remain obscure because water-isotope proxies respond to a wide variety of environmental variables. Here, we investigated millennial-scale climate variability in East Asia over the past 400,000 years using paired foraminiferal oxygen isotope and Mg/Ca records from the East Asian continental margin, thereby resolving variance into temperature and rainfall components. We found that the temperature and rainfall variabilities are largely asynchronous, with times when the global climate shifts from interglacial to glacial periods being the notable exception. These findings highlight the importance of both mean global state and magnitude of North Atlantic variability in determining the East Asian climate. Without a strong North Atlantic forcing, the regional feedback system might generate asynchronous temperature and rainfall variations, which is the background climate feature in East Asia.


1961 ◽  
Vol 2 (2) ◽  
pp. 73-105 ◽  
Author(s):  
John R. W. Small

It is generally accepted that history is an element of culture and the historian a member of society, thus, in Croce's aphorism, that the only true history is contemporary history. It follows from this that when there occur great changes in the contemporary scene, there must also be great changes in historiography, that the vision not merely of the present but also of the past must change.


1962 ◽  
Vol 11 (02) ◽  
pp. 137-143
Author(s):  
M. Schwarzschild

It is perhaps one of the most important characteristics of the past decade in astronomy that the evolution of some major classes of astronomical objects has become accessible to detailed research. The theory of the evolution of individual stars has developed into a substantial body of quantitative investigations. The evolution of galaxies, particularly of our own, has clearly become a subject for serious research. Even the history of the solar system, this close-by intriguing puzzle, may soon make the transition from being a subject of speculation to being a subject of detailed study in view of the fast flow of new data obtained with new techniques, including space-craft.


2020 ◽  
Vol 5 (1) ◽  
pp. 6-11 ◽  
Author(s):  
Laurence B. Leonard

Purpose The current “specific language impairment” and “developmental language disorder” discussion might lead to important changes in how we refer to children with language disorders of unknown origin. The field has seen other changes in terminology. This article reviews many of these changes. Method A literature review of previous clinical labels was conducted, and possible reasons for the changes in labels were identified. Results References to children with significant yet unexplained deficits in language ability have been part of the scientific literature since, at least, the early 1800s. Terms have changed from those with a neurological emphasis to those that do not imply a cause for the language disorder. Diagnostic criteria have become more explicit but have become, at certain points, too narrow to represent the wider range of children with language disorders of unknown origin. Conclusions The field was not well served by the many changes in terminology that have transpired in the past. A new label at this point must be accompanied by strong efforts to recruit its adoption by clinical speech-language pathologists and the general public.


Crisis ◽  
2020 ◽  
pp. 1-6
Author(s):  
Mohammed Madadin ◽  
Ritesh G. Menezes ◽  
Maha A. Alassaf ◽  
Abdulaziz M. Almulhim ◽  
Mahdi S. Abumadini ◽  
...  

Abstract. Background: Medical students are at high risk of suicidal ideation. Aim: We aimed to obtain information on suicidal ideation among medical students in Dammam located in the Eastern Province of Saudi Arabia. Method: This cross-sectional study was conducted at the College of Medicine affiliated with Imam Abdulrahman Bin Faisal University in the Eastern Province of Saudi Arabia. Suicidal ideation in the past 12 months was assessed based on responses to four questions in the depression subscale of the General Health Questionnaire 28 (GHQ-28). In addition, data were collected to examine the association of suicidal ideation with various factors. Results: We found that 1 in 3 medical students in the study had suicidal ideation in the past 12 months, while around 40% had lifetime suicidal ideation. Suicidal ideation was associated with feelings of parental neglect, history of physical abuse, and dissatisfaction with academic performance. Limitations: The cross-sectional nature of this study limits its ability to determine causality regarding suicidal ideation. Conclusion: These rates are considerably high when compared with rates from studies in other countries around the world. This study provides a reference in the field of suicidology for this region of Saudi Arabia.


2017 ◽  
pp. 5-21 ◽  
Author(s):  
E. Yasin

The article is devoted to major events in the history of the post-Soviet economy, their influence on forming and development of modern Russia. The author considers stages of restructuring, market reforms, transformational crisis, and recovery growth (1999-2011), as well as a current period which started in2011 and is experiencing serious problems. The present situation is analyzed, four possible scenarios are put forward for Russia: “inertia”, “mobilization”, “decisive leap”, “gradual democratic development”. More than 30 experts were questioned in the process of working out the scenarios.


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