| 1. |
- Blunden, Jessica, et al.
(författare)
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State of the Climate in 2012
- 2013
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Ingår i: Bulletin of The American Meteorological Society - (BAMS). - 0003-0007 .- 1520-0477. ; 94:8, s. S1-S258
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Tidskriftsartikel (refereegranskat)abstract
- For the first time in serveral years, the El Nino-Southern Oscillation did not dominate regional climate conditions around the globe. A weak La Ni a dissipated to ENSOneutral conditions by spring, and while El Nino appeared to be emerging during summer, this phase never fully developed as sea surface temperatures in the eastern conditions. Nevertheless, other large-scale climate patterns and extreme weather events impacted various regions during the year. A negative phase of the Arctic Oscillation from mid-January to early February contributed to frigid conditions in parts of northern Africa, eastern Europe, and western Asia. A lack of rain during the 2012 wet season led to the worst drought in at least the past three decades for northeastern Brazil. Central North America also experienced one of its most severe droughts on record. The Caribbean observed a very wet dry season and it was the Sahel's wettest rainy season in 50 years. Overall, the 2012 average temperature across global land and ocean surfaces ranked among the 10 warmest years on record. The global land surface temperature alone was also among the 10 warmest on record. In the upper atmosphere, the average stratospheric temperature was record or near-record cold, depending on the dataset. After a 30-year warming trend from 1970 to 1999 for global sea surface temperatures, the period 2000-12 had little further trend. This may be linked to the prevalence of La Ni a-like conditions during the 21st century. Heat content in the upper 700 m of the ocean remained near record high levels in 2012. Net increases from 2011 to 2012 were observed at 700-m to 2000-m depth and even in the abyssal ocean below. Following sharp decreases in to the effects of La Ni a, sea levels rebounded to reach records highs in 2012. The increased hydrological cycle seen in recent years continued, with more evaporation in drier locations and more precipitation in rainy areas. In a pattern that has held since 2004, salty areas of the ocean surfaces and subsurfaces were anomalously salty on average, while fresher areas were anomalously fresh. Global tropical cyclone activity during 2012 was near average, with a total of 84 storms compared with the 1981-2010 average of 89. Similar to 2010 and 2011, the North Atlantic was the only hurricane basin that experienced above-normal activity. In this basin, Sandy brought devastation to Cuba and parts of the eastern North American seaboard. All other basins experienced either near-or below-normal tropical cyclone activity. Only three tropical cyclones reached Category 5 intensity-all in Bopha became the only storm in the historical record to produce winds greater than 130 kt south of 7 N. It was also the costliest storm to affect the Philippines and killed more than 1000 residents. Minimum Arctic sea ice extent in September and Northern Hemisphere snow cover extent in June both reached new record lows. June snow cover extent is now declining at a faster rate (-17.6% per decade) than September sea ice extent (-13.0% per decade). Permafrost temperatures reached record high values in northernmost Alaska. A new melt extent record occurred on 11-12 July on the Greenland ice sheet; 97% of the ice sheet showed some form of melt, four times greater than the average melt for this time of year. The climate in Antarctica was relatively stable overall. The largest maximum sea ice extent since records begain in 1978 was observed in September 2012. In the stratosphere, warm air led to the second smallest ozone hole in the past two decades. Even so, the springtime ozone layer above Antarctica likely will not return to its early 1980s state until about 2060. Following a slight decline associated with the global 2 emissions from fossil fuel combustion and cement production reached a record 9.5 +/- 0.5 Pg C in 2011 and a new record of 9.7 +/- 0.5 Pg C is estimated for 2012. Atmospheric CO2 concentrations increased by 2.1 ppm in 2012, to 392.6 ppm. In spring 2012, 2 concentration exceeded 400 ppm at 7 of the 13 Arctic observation sites. Globally, other greenhouse gases including methane and nitrous oxide also continued to rise in concentration and the combined effect now represents a 32% increase in radiative forcing over a 1990 baseline. Concentrations of most ozone depleting substances continued to fall.
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| 2. |
- Brühwiler, Ingrid
(författare)
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In-between "Swedish Gymnastics" and "Deutsche Turnkunst" : Educating "National" Citizens through Physical Education in Switzerland in the Last Decades of the Nineteenth Century
- 2017
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Ingår i: Nordic Journal of Educational History. - Umeå : Umeå University Library. - 2001-7766 .- 2001-9076. ; 4:2, s. 71-84
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Tidskriftsartikel (refereegranskat)abstract
- In Switzerland, physical education was as important as it was in other European countries during the last decades of the nineteenth century. Different visions of physical education were adapted to the Swiss context to promote national citizens that were strong and healthy and thus capable of protecting their fatherland. Discussions of Per Henrik Ling’s “Swedish system” and Friedrich Ludwig Jahn’s “Deutsche Turnkunst,” both of which were adapted in the francophone and the germanophone parts of Switzerland, dominated the discourse. Until the end of the nineteenth century, patriotic ideals permeated the army-ruled physical education, although methodology and health topics were discussed as well. The national and civic aims of physical education were the same for girls and boys, with one very important exception: boys were prepared for military service, whereas girls were primarily prepared to be good future mothers.
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| 3. |
- Kjeldgaard, Lisbeth, et al.
(författare)
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Intramolecular vibronic dynamics in molecular solids: C60
- 2005
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Ingår i: Physical Review B (Condensed Matter and Materials Physics). - 1098-0121. ; 72:20
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Tidskriftsartikel (refereegranskat)abstract
- Vibronic coupling in solid C60 has been investigated with a combination of resonant photoemission spectroscopy (RPES) and resonant inelastic x-ray scattering (RIXS). Excitation as a function of energy within the lowest unoccupied molecular orbital resonance yielded strong oscillations in intensity and dispersion in RPES, and a strong inelastic component in RIXS. Reconciling these two observations establishes that vibronic coupling in this core hole excitation leads to predominantly inelastic scattering and localization of the excited vibrations on the molecule on a femtosecond time scale. The coupling extends throughout the widths of the frontier valence bands.
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| 4. |
- Macovez, Roberto, et al.
(författare)
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Reversible Phase Transformation and Doubly Charged Anions at the Surface of Simple Cubic RbC60
- 2008
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Ingår i: Physical Review Letters. - 0031-9007 .- 1079-7114. ; 101:23, s. 236403-
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Tidskriftsartikel (refereegranskat)abstract
- The simple cubic phase of a RbC60 thin film has been studied using photoelectron spectroscopy. The simple cubic-to-dimer transition is found to be reversible at the film surface. A sharp Fermi edge is observed and a lower limit of 0.5 eV is found for the surface Hubbard U, pointing to a strongly correlated metallic character of thin-film simple cubic RbC60. A molecular charge state is identified in the valence band and core-level photoemission spectra which arises from C-60(2-) anions and contributes to the spectral intensity at the Fermi level.
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| 5. |
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School Acts and the Rise of Mass Schooling : Education Policy in the Long Nineteenth Century
- 2019. - 1
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Samlingsverk (redaktörskap) (övrigt vetenskapligt/konstnärligt)abstract
- This book examines school acts in the long nineteenth century, traditionally considered as milestones or landmarks in the process of achieving universal education. Guided by a strong interest in social, cultural, and economic history, the case studies featured in the book rethink the actual value, the impact, and the ostensible purpose of school acts. The thirteen national case studies focus on the manner in which school acts were embedded in their particular historical contexts, offering a comprehensive and multidisciplinary overview of school acts and the role they played in the rise of mass schooling. Drawing together research from countries across the West, the editors and contributors analyse why these acts were passed, as well as their content and impact. This seminal collection will appeal to students and scholars of school acts and the history of mass schooling.
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| 6. |
- Westberg, Johannes, 1978-, et al.
(författare)
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The History of School Acts
- 2019. - 1
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Ingår i: School Acts and the Rise of Mass Schooling. - Cham : Palgrave Macmillan. - 9783030135690 - 9783030135706 ; , s. 1-15
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Bokkapitel (övrigt vetenskapligt/konstnärligt)
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