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  • 1.
    Ahmed, Moinuddin
    et al.
    Fed Urdu Univ Arts Sci & Technol, Dept Bot, Karachi 75300, Pakistan.
    Krusic, Paul J.
    Stockholm University, Faculty of Science, Department of Physical Geography and Quaternary Geology.
    Charpentier Ljungqvist, Fredrik
    Stockholm University, Faculty of Humanities, Department of History.
    Zorita, Eduardo
    PAGES 2k Consortium,
    Continental-scale temperature variability during the past two millennia2013In: Nature Geoscience, ISSN 1752-0894, E-ISSN 1752-0908, Vol. 6, no 5, 339-346 p.Article in journal (Refereed)
    Abstract [en]

    Past global climate changes had strong regional expression. To elucidate their spatio-temporal pattern, we reconstructed past temperatures for seven continental-scale regions during the past one to two millennia. The most coherent feature in nearly all of the regional temperature reconstructions is a long-term cooling trend, which ended late in the nineteenth century. At multi-decadal to centennial scales, temperature variability shows distinctly different regional patterns, with more similarity within each hemisphere than between them. There were no globally synchronous multi-decadal warm or cold intervals that define a worldwide Medieval Warm Period or Little Ice Age, but all reconstructions show generally cold conditions between ad 1580 and 1880, punctuated in some regions by warm decades during the eighteenth century. The transition to these colder conditions occurred earlier in the Arctic, Europe and Asia than in North America or the Southern Hemisphere regions. Recent warming reversed the long-term cooling; during the period ad 1971–2000, the area-weighted average reconstructed temperature was higher than any other time in nearly 1,400 years.

  • 2. Büntgen, Ulf
    et al.
    Charpentier Ljungqvist, Fredrik
    Stockholm University, Faculty of Humanities, Department of History.
    Esper, Jan
    Luterbacher, Jürg
    Wagner, Sebastian
    Werner, Johannes P.
    Consolidation, finalization and publication of the Euro-Med2k database2016In: Past Global Changes Magazine, ISSN 2411-9180, Vol. 24, no 1, 43-43 p.Article in journal (Other academic)
  • 3. Büntgen, Ulf
    et al.
    Eggertsson, Ólafur
    Wacker, Lukas
    Sigl, Michael
    Charpentier Ljungqvist, Fredrik
    Stockholm University, Faculty of Humanities, Department of History.
    Di Cosmo, Nicola
    Plunkett, Gill
    Krusic, Paul J.
    Stockholm University, Faculty of Science, Department of Physical Geography. University of Cambridge, UK.
    Newfield, Timothy P.
    Esper, Jan
    Lane, Christine
    Reinig, Frederick
    Oppenheimer, Clive
    Multi-proxy dating of Iceland's major pre-settlement Katla eruption to 822-823 CE2017In: Geology, ISSN 0091-7613, E-ISSN 1943-2682, Vol. 45, no 9, 783-786 p.Article in journal (Refereed)
    Abstract [en]

    Investigations of the impacts of past volcanic eruptions on climate, environment, and society require accurate chronologies. However, eruptions that are not recorded in historical documents can seldom be dated exactly. Here we use annually resolved radiocarbon (C-14) measurements to isolate the 775 CE cosmogenic C-14 peak in a subfossil birch tree that was buried by a glacial outburst flood in southern Iceland. We employ this absolute time marker to date a subglacial eruption of Katla volcano at late 822 CE to early 823 CE. We argue for correlation between the 822-823 CE eruption and a conspicuous sulfur anomaly evident in Greenland ice cores, which follows in the wake of an even larger volcanic signal (ca. 818-820 CE) as yet not attributed to a known eruption. An abrupt summer cooling in 824 CE, evident in tree-ring reconstructions for Fennoscandia and the Northern Hemisphere, suggests a climatic response to the Katla eruption. Written historical sources from Europe and China corroborate our proposed tree ring-radiocarbon-ice core linkage but also point to combined effects of eruptions occurring during this period. Our study describes the oldest precisely dated, high-latitude eruption and reveals the impact of an extended phase of volcanic forcing in the early 9th century. It also provides insight into the existence of prehistoric woodland cover and the nature of volcanism several decades before Iceland's permanent settlement began.

  • 4. Büntgen, Ulf
    et al.
    Krusic, Paul J.
    Stockholm University, Faculty of Science, Department of Physical Geography. University of Cambridge, United Kingdom.
    Verstege, Anne
    Sanguesa-Barreda, Gabriel
    Wagner, Sebastian
    Julio Camarero, J.
    Ljungqvist, Fredrik Charpentier
    Stockholm University, Faculty of Humanities, Department of History.
    Zorita, Eduardo
    Oppenheimer, Clive
    Konter, Oliver
    Tegel, Willy
    Gärtner, Holger
    Cherubini, Paolo
    Reinig, Frederick
    Esper, Jan
    New Tree-Ring Evidence from the Pyrenees Reveals Western Mediterranean Climate Variability since Medieval Times2017In: Journal of Climate, ISSN 0894-8755, E-ISSN 1520-0442, Vol. 30, no 14, 5295-5318 p.Article in journal (Refereed)
    Abstract [en]

    Paleoclimatic evidence is necessary to place the current warming and drying of the western Mediterranean basin in a long-term perspective of natural climate variability. Annually resolved and absolutely dated temperature proxies south of the European Alps that extend back into medieval times are, however, mainly limited to measurements of maximum latewood density (MXD) from high-elevation conifers. Here, the authors present the world's best replicated MXD site chronology of 414 living and relict Pinus uncinata trees found >2200 m above mean sea level (MSL) in the Spanish central Pyrenees. This composite record correlates significantly (p <= 0.01) with May-June and August-September mean temperatures over most of the Iberian Peninsula and northern Africa (r = 0.72; 1950-2014). Spanning the period 1186-2014 of the Common Era (CE), the new reconstruction reveals overall warmer conditions around 1200 and 1400, and again after around 1850. The coldest reconstructed summer in 1258 (-4.4 degrees C compared to 1961-90) followed the largest known volcanic eruption of the CE. The twentieth century is characterized by pronounced summer cooling in the 1970s, subsequently rising temperatures until 2003, and a slowdown of warming afterward. Little agreement is found with climate model simulations that consistently overestimate recent summer warming and underestimate preindustrial temperature changes. Interannual-multidecadal covariability with regional hydroclimate includes summer pluvials after large volcanic eruptions. This study demonstrates the relevance of updating MXD-based temperature reconstructions, not only back in time but also toward the present, and emphasizes the importance of comparing temperature and hydroclimatic proxies, as well as model simulations for understanding regional climate dynamics.

  • 5. Büntgen, Ulf
    et al.
    Luterbacher, Jürg
    Charpentier Ljungqvist, Fredrik
    Stockholm University, Faculty of Humanities, Department of History.
    Esper, Jan
    Fleitmann, Dominik
    Gagen, Mary
    González-Rouco, Fidel
    Wagner, Sebastian
    Werner, Johannes
    Zorita, Eduardo
    Martínez Peña, Fernando
    Towards a spatiotemporal expansion of temperature and hydroclimatic proxy archives2015In: Past Global Changes Magazine, ISSN 2411-605X, Vol. 23, no 1, 34-34 p.Article in journal (Other academic)
  • 6. Büntgen, Ulf
    et al.
    Myglan, Vladimir S.
    Charpentier Ljungqvist, Fredrik
    Stockholm University, Faculty of Humanities, Department of History.
    McCormick, Michael
    Di Cosmo, Nicola
    Sigl, Michael
    Jungclaus, Johann
    Wagner, Sebastian
    Krusic, Paul J.
    Esper, Jan
    Kaplan, Jed O.
    de Vaan, Michiel A. C.
    Luterbacher, Jürg
    Wacker, Lukas
    Tegel, Willy
    Kirdyanov, Alexander V.
    Cooling and societal change during the Late Antique Little Ice Age from 536 to around 660 AD2016In: Nature Geoscience, ISSN 1752-0894, E-ISSN 1752-0908, Vol. 9, no 3, 231-236 p.Article in journal (Refereed)
    Abstract [en]

    Climatic changes during the first half of the Common Era have been suggested to play a role in societal reorganizations in Europe and Asia. In particular, the sixth century coincides with rising and falling civilizations, pandemics, human migration and political turmoil. Our understanding of the magnitude and spatial extent as well as the possible causes and concurrences of climate change during this period is, however, still limited. Here we use tree-ring chronologies from the Russian Altai and European Alps to reconstruct summer temperatures over the past two millennia. We find an unprecedented, long-lasting and spatially synchronized cooling following a cluster of large volcanic eruptions in 536, 540 and 547 AD, which was probably sustained by ocean and sea-ice feedbacks, as well as a solar minimum. We thus identify the interval from 536 to about 660 AD as the Late Antique Little Ice Age. Spanning most of the Northern Hemisphere, we suggest that this cold phase be considered as an additional environmental factor contributing to the establishment of the Justinian plague, transformation of the eastern Roman Empire and collapse of the Sasanian Empire, movements out of the Asian steppe and Arabian Peninsula, spread of Slavic-speaking peoples and political upheavals in China.

  • 7. Büntgen, Ulf
    et al.
    Myglan, Vladimir S.
    Charpentier Ljungqvist, Fredrik
    Stockholm University, Faculty of Humanities, Department of History.
    McCormick, Michael
    Di Cosmo, Nicola
    Sigl, Michael
    Jungclaus, Johann
    Wagner, Sebastian
    Krusic, Paul J.
    Esper, Jan
    Kaplan, Jed O.
    de Vaan, Michiel A. C.
    Luterbacher, Jürg
    Wacker, Lukas
    Tegel, Willy
    Solomina, Olga N.
    Nicolussi, Kurt
    Oppenheimer, Clive
    Reinig, Frederick
    Kirdyanov, Alexander V.
    Reply to 'Limited Late Antique cooling'2017In: Nature Geoscience, ISSN 1752-0894, E-ISSN 1752-0908, Vol. 10, no 4, 243-243 p.Article in journal (Refereed)
  • 8. Büntgen, Ulf
    et al.
    Trnka, Miroslav
    Krusic, Paul J.
    Stockholm University, Faculty of Science, Department of Physical Geography.
    Kyncl, Tomáš
    Kyncl, Josef
    Luterbacher, Jürg
    Zorita, Eduardo
    Charpentier Ljungqvist, Fredrik
    Stockholm University, Faculty of Humanities, Department of History.
    Auer, Ingeborg
    Konter, Oliver
    Schneider, Lea
    Tegel, Willy
    Štěpánek, Petr
    Brönnimann, Stefan
    Hellmann, Lena
    Nievergelt, Daniel
    Esper, Jan
    Tree-Ring Amplification of the Early Nineteenth-Century Summer Cooling in Central Europe2015In: Journal of Climate, ISSN 0894-8755, E-ISSN 1520-0442, Vol. 28, no 13, 5272-5288 p.Article in journal (Refereed)
    Abstract [en]

    Annually resolved and absolutely dated tree-ring chronologies are the most important proxy archives to reconstruct climate variability over centuries to millennia. However, the suitability of tree-ring chronologies to reflect the “true” spectral properties of past changes in temperature and hydroclimate has recently been debated. At issue is the accurate quantification of temperature differences between early nineteenth-century cooling and recent warming. In this regard, central Europe (CEU) offers the unique opportunity to compare evidence from instrumental measurements, paleomodel simulations, and proxy reconstructions covering both the exceptionally hot summer of 2003 and the year without summer in 1816. This study uses 565 Swiss stone pine (Pinus cembra) ring width samples from high-elevation sites in the Slovakian Tatra Mountains and Austrian Alps to reconstruct CEU summer temperatures over the past three centuries. This new temperature history is compared to different sets of instrumental measurements and state-of-the-art climate model simulations. All records independently reveal the coolest conditions in the 1810s and warmest after 1996, but the ring width–based reconstruction overestimates the intensity and duration of the early nineteenth-century summer cooling by approximately 1.5°C at decadal scales. This proxy-specific deviation is most likely triggered by inflated biological memory in response to reduced warm season temperature, together with changes in radiation and precipitation following the Tambora eruption in April 1815. While suggesting there exists a specific limitation in ring width chronologies to capture abrupt climate perturbations with increased climate system inertia, the results underline the importance of alternative dendrochronological and wood anatomical parameters, including stable isotopes and maximum density, to assess the frequency and severity of climatic extremes.

  • 9.
    Charpentier Ljungqvist, Fredrik
    Stockholm University, Faculty of Humanities, Department of History. Stockholm University, Faculty of Humanities, Centre for Medieval Studies.
    1600-talet – det kallaste århundradet2011In: Sveriges historia : 1600–1721 / [ed] Nils Erik Villstrand, Stockholm: Norstedts , 2011, 441-445 p.Chapter in book (Other (popular science, discussion, etc.))
  • 10.
    Charpentier Ljungqvist, Fredrik
    Stockholm University, Faculty of Humanities, Department of History. Stockholm University, Faculty of Humanities, Centre for Medieval Studies.
    A new reconstruction of temperature variability in the extra-tropical Northern Hemisphere during the last two millennia2010In: Geografiska Annaler. Series A, Physical Geography, ISSN 0435-3676, E-ISSN 1468-0459, Vol. 92A, no 3, 339-351 p.Article in journal (Refereed)
    Abstract [en]

    A new temperature reconstruction with decadal resolution, covering the last two millennia, is presented for the extra-tropical Northern Hemisphere (90–30°N), utilizing many palaeotemperature proxy records never previously included in any large-scale temperature reconstruction. The amplitude of the reconstructed temperature variability on centennial time-scales exceeds 0.6°C. This reconstruction is the first to show a distinct Roman Warm Period c. AD 1–300, reaching up to the 1961–1990 mean temperature level, followed by the Dark Age Cold Period c. AD 300–800. The Medieval Warm Period is seen c. AD 800–1300 and the Little Ice Age is clearly visible c. AD 1300–1900, followed by a rapid temperature increase in the twentieth century. The highest average temperatures in the reconstruction are encountered in the mid to late tenth century and the lowest in the late seventeenth century. Decadal mean temperatures seem to have reached or exceeded the 1961–1990 mean temperature level during substantial parts of the Roman Warm Period and the Medieval Warm Period. The temperature of the last two decades, however, is possibly higher than during any previous time in the past two millennia, although this is only seen in the instrumental temperature data and not in the multi-proxy reconstruction itself. Our temperature reconstruction agrees well with the reconstructions by Moberg et al. (2005) and Mann et al. (2008) with regard to the amplitude of the variability as well as the timing of warm and cold periods, except for the period c. AD 300–800, despite significant differences in both data coverage and methodology.

  • 11.
    Charpentier Ljungqvist, Fredrik
    Stockholm University, Faculty of Humanities, Department of History. Stockholm University, Faculty of Humanities, Centre for Medieval Studies.
    A regional approach to the Medieval Warm Period and the Little Ice Age2010In: Climate Change and Variability / [ed] Suzanne W. Simard & Mary E. Austin, Rijeka: Sciyo , 2010, 1-25 p.Chapter in book (Other academic)
  • 12.
    Charpentier Ljungqvist, Fredrik
    Stockholm University, Faculty of Humanities, Department of History.
    Arngrímur Jónsson och hans verk2003In: Scripta Islandica, ISSN 0582-3234, Vol. 54, 57-74 p.Article in journal (Refereed)
  • 13.
    Charpentier Ljungqvist, Fredrik
    Stockholm University, Faculty of Humanities, Department of History.
    Bannlyst kung av Guds nåde: Maktlegitimering och kungaideologi i Sverris saga2008In: Collegium Medievale: Tverrfaglig tidsskrift for middelalderforskning, ISSN 0801-9282, Vol. 21, 3-66 p.Article in journal (Refereed)
    Abstract [sv]

    A Divine King Excommunicated: Legitimisation of Power and Ideology of Kingship in Sverris Saga

    This article investigates how Sverrir Sigurðarson, ruler of Norway between 1177 and 1202, is ideologically legitimised as king in the biography Sverris saga. In previous research, the perception that Sverrir is portrayed as a Christian rex iustus has competed with the perception that Sverrir is depicted as a traditional Old Norse warrior king, who gains his legitimacy through his military successes. This article demonstrates that the rex iustus idea is central in the saga when it comes to legitimising Sverrir, and that his seizure of power is also placed in the salvation-historical worldview of the time. Fully in accordance with the way contemporary continental European kings legitimised their claims to power, Sverrir’s royal power is justified in the saga through a combination of the notion that God has chosen Sverrir as king and the notion of a line of succession to the throne through paternal blood ties. The article also demonstrates that the saga, like the polemic pamphlet A Speech against the Bishops (Ett tal mot biskoparna), propagates against the perception that the Church is above the royal power and dismisses the Church’s excommunication of Sverrir as unjust and invalid.

  • 14.
    Charpentier Ljungqvist, Fredrik
    Stockholm University, Faculty of Humanities, Department of History.
    Den långa medeltiden: Den nordiska ländernas historia från folkvandringstid till reformation2015Book (Other academic)
    Abstract [sv]

    Medeltidshistorikern Fredrik Charpentier Ljungqvist bjuder på en lättläst exposé över den politiska, ekonomiska, sociala och kulturella utvecklingen i Norden under tusen år med utgångspunkt i de senaste rönen från arkeologisk och historisk forskning. Den långa medeltiden är en introduktion till Nordens historia från folkvandringstiden på 500-talet fram till reformationen på 1500-talet. Till skillnad från tidigare översiktsverk behandlas här hela Norden, och inte bara ett enskilt nordiskt land, och den traditionella uppdelningen mellan medeltid och forntid överges.

    Ett av kapitlen skildrar den politiska utvecklingen, men i övrigt står de sociala förhållandena i centrum i denna översikt. Hur bodde man och vad åt man? Vilka möjligheter fanns det att resa och hur utvecklades skeppsbyggnadskonsten? När skedde klimatförändringar och hur påverkade de människor? Vilka redskap användes i jordbruket, för hantverk och för att bygga hus och skepp? I vilken grad levde människor av självförsörjning och hur utvecklad var handeln? Hur såg lag och rätt ut?

    I boken behandlas allt från framväxten av nordiska kungariken och städer till jordbrukets och konsthantverkets utveckling och människors hälsa under forna tider. Vi får bekanta oss med livet för såväl kungar som trälar och följa med genom sociala omvälvningar som kristnandet, digerdöden och ståndssamhällets framväxt. Geografiskt rör vi oss från den karga nordnorska kusten i norr till den bördiga danska myllan i söder, med avstickare till Island och Grönland och med vikingafärder i öster- och västerled.

  • 15.
    Charpentier Ljungqvist, Fredrik
    Stockholm University, Faculty of Humanities, Department of History. Stockholm University, Faculty of Humanities, Centre for Medieval Studies.
    Den medeltida värmeperioden i Skandinavien2009In: Sveriges historia 2: 600–1350 / [ed] Dick Harrison, Stockholm: Norstedts Förlag, 2009, 147-148 p.Chapter in book (Other (popular science, discussion, etc.))
  • 16.
    Charpentier Ljungqvist, Fredrik
    Stockholm University, Faculty of Humanities, Department of History. Stockholm University, Faculty of Humanities, Centre for Medieval Studies.
    Det kaotiska klimatet under senmedeltiden och Vasatiden2010In: Sveriges historia: 1350–1600 / [ed] Dick Harrison och Bo Eriksson, Stockholm: Norstedts , 2010, 83-86 p.Chapter in book (Other (popular science, discussion, etc.))
  • 17.
    Charpentier Ljungqvist, Fredrik
    Stockholm University, Faculty of Humanities, Department of History.
    En bondekultur på marginalen i en tid av klimatförändringar2013In: Iluliaq. Föreningen Sverige-Grönlands medlemsblad, no 2, 10-13 p.Article in journal (Other (popular science, discussion, etc.))
  • 18.
    Charpentier Ljungqvist, Fredrik
    Stockholm University, Faculty of Humanities, Department of History.
    En lön och en egen härd: Rapport om doktoranders ekonomiska situation och etablering på bostads- och bolånemarknaden2008Report (Other (popular science, discussion, etc.))
  • 19.
    Charpentier Ljungqvist, Fredrik
    Stockholm University, Faculty of Humanities, Department of History.
    Female Shame, Male Honor: The Chastity Code in Juan Luis Vives’ De institutione feminae Christianae2012In: Journal of Family History, ISSN 0363-1990, E-ISSN 1552-5473, Vol. 37, no 2, 139-154 p.Article in journal (Refereed)
    Abstract [en]

    In the light of some key concepts from the chastity codes described by anthropological research for honor societies in the Mediterranean region and the Middle East, this article examines the chastity code for women that the Spanish Renaissance humanist Juan Luis Vives (1492/3–1540) advocated in his work De institutione feminae Christianae (1524/1538). Aspects, such as gender order, restrictions on women’s physical freedom of movement, regulations and instructions regarding women’s clothing, and various rules for women’s outward conduct, are studied. It can be established that Vives advocated a very traditional, patriarchal view of women, exhorting very strict gender segregation and female seclusion. He prescribed very tight restrictions on women’s freedom, with a view to controlling female sexuality, an aspect of Vives that previous research has not paid full attention to.

  • 20.
    Charpentier Ljungqvist, Fredrik
    Stockholm University, Faculty of Humanities, Department of History. Stockholm University, Faculty of Humanities, Centre for Medieval Studies.
    Friheten en förutsättning för framtida forskning2006In: Ny Teknik, Vol. 15 marsArticle in journal (Other (popular science, discussion, etc.))
  • 21.
    Charpentier Ljungqvist, Fredrik
    Stockholm University, Faculty of Humanities, Department of History. Stockholm University, Faculty of Humanities, Centre for Medieval Studies.
    Från is till värme2009In: Sveriges historia: 13 000 f.Kr–600 e.Kr. / [ed] Stig Welinder, Stockholm: Norstedts , 2009, 213-220 p.Chapter in book (Other (popular science, discussion, etc.))
  • 22.
    Charpentier Ljungqvist, Fredrik
    Stockholm University, Faculty of Humanities, Department of History.
    Global nedkylning: klimatet och människan under 10 000 år2009Book (Other (popular science, discussion, etc.))
    Abstract [sv]

    Klimatet har förändrats både regionalt och globalt sedan senaste istiden tog slut, ofta med dramatiska konsekvenser för naturen och människan. Fastän det talas så mycket om klimatförändringar idag är det få som vet särskilt mycket om hur klimatet har varierat förr.

    Det är först under de senaste åren som forskningen börjat kunna beskriva vad som faktiskt hänt med klimatet under olika tider, på olika platser. Historikern Fredrik Charpentier Ljungqvist har tagit ett samlat grepp på den senaste forskningen och resultatet är en resa i vått och torrt, i hetta och kyla, jorden runt under 10 000 år. Vi får stifta bekantskap med många olika folk och kulturer – babylonier, romare, mayaindianer och vikingar – som alla under historiens gång varit utsatta för klimatförändringar.

  • 23.
    Charpentier Ljungqvist, Fredrik
    Stockholm University, Faculty of Humanities, Department of History.
    Hirdmännen hade många uppgifter2007In: Populär Historia, no 10, 62- p.Article in journal (Other (popular science, discussion, etc.))
  • 24.
    Charpentier Ljungqvist, Fredrik
    Stockholm University, Faculty of Humanities, Department of History.
    Hon försvarade Stockholm mot danske kungen2012In: Populär Historia, ISSN 1102-0822, no 4, 55-55 p.Article in journal (Other (popular science, discussion, etc.))
  • 25.
    Charpentier Ljungqvist, Fredrik
    Stockholm University, Faculty of Humanities, Department of History.
    Human and societal dimensions of past climate change2017In: Issues and Concepts in Historical Ecology: The Past and Future of Landscapes and Regions / [ed] Carole L. Crumley, Tommy Lennartsson, Anna Westin, Cambridge: Cambridge University Press, 2017, 41-83 p.Chapter in book (Refereed)
  • 26.
    Charpentier Ljungqvist, Fredrik
    Stockholm University, Faculty of Humanities, Department of History.
    Hydroclimate and Temperature Co-variability: Past, Present and Future2015In: Evaluation of drought and drought impacts through interdisciplinary methods / [ed] Miroslav Trnka, Michael Hayes, Brno: Global Change Research Centre AS CR v.v.i. , 2015, 6-10 p.Chapter in book (Refereed)
  • 27.
    Charpentier Ljungqvist, Fredrik
    Stockholm University, Faculty of Humanities, Department of History.
    Jakten på kung Magnus2013In: Populär Historia, ISSN 1102-0822, no 11, 30-35 p.Article in journal (Other (popular science, discussion, etc.))
  • 28.
    Charpentier Ljungqvist, Fredrik
    Stockholm University, Faculty of Humanities, Department of History.
    Klimat, missväxt och extremt väder 1830–19202012In: Sveriges historia : 1830–1920 / [ed] Bo Stråth, Stockholm: Norstedts Förlag, 2012, 289-292 p.Chapter in book (Other (popular science, discussion, etc.))
  • 29.
    Charpentier Ljungqvist, Fredrik
    Stockholm University, Faculty of Humanities, Department of History. Stockholm University, Faculty of Humanities, Centre for Medieval Studies.
    Klimat och väder i Sverige 1721–18302011In: Sveriges historia 1721–1830 / [ed] Elisabeth Mansén, Stockholm: Norstedts Förlag, 2011, 124-126 p.Chapter in book (Other (popular science, discussion, etc.))
  • 30.
    Charpentier Ljungqvist, Fredrik
    Stockholm University, Faculty of Humanities, Department of History. Stockholm University, Faculty of Humanities, Centre for Medieval Studies.
    Klimatet i backspegeln2016In: Gaudeamus, ISSN 0016-5247, no 3, 12-13 p.Article in journal (Other (popular science, discussion, etc.))
  • 31.
    Charpentier Ljungqvist, Fredrik
    Stockholm University, Faculty of Humanities, Department of History.
    Klimatet och människan under 12 000 år2017Book (Other academic)
    Abstract [sv]

    I boken presenteras för första gången på svenska resultaten från den senaste klimathistoriska forskningen för en bred publik. I en välblandad mix av historia och klimatvetenskap får läsaren följa med på en medryckande resa genom världshistorien då kraftiga och plötsliga klimatförändringar emellanåt dramatiskt förändrat livsvillkoren för miljoner människor.

    För 6 000 år sedan var till exempel Sahara en frodig savann i stället för världens största öken, samtidigt som klimatet var varmt nog i Sverige för sköldpaddor och vilda vindruvor.  Senare under historien har stora variationer i monsunregnen i Asien gett upphov till antingen välstånd eller hungersnöd för miljontals människor.

    För tusen år sedan kollapsade indianska civilisationer av torka, samtidigt som ett varmare klimat tillät nordbor att kolonisera södra Grönland. Den så kallade lilla istiden, som kulminerade på 1600-talet, orsakade försörjningskriser i Europa och Kina och på många andra håll i världen.

    Författaren ger oss åtskilliga spännande och lärorika exempel på hur klimatförändringar under historien påverkat utvecklingen i olika delar av världen och hur människor hanterat eller inte hanterat konsekvenserna av klimatförändringar. Det är insikter som är mycket relevanta i vår tid.

  • 32.
    Charpentier Ljungqvist, Fredrik
    Stockholm University, Faculty of Humanities, Department of History.
    Klimatets variationer i Europa de senaste tusen åren2009In: Historisk tidskrift, ISSN 0345-469X, Vol. 129, no 1, 152-158 p.Article, review/survey (Other (popular science, discussion, etc.))
  • 33.
    Charpentier Ljungqvist, Fredrik
    Stockholm University, Faculty of Humanities, Department of History. Stockholm University, Faculty of Humanities, Centre for Medieval Studies.
    Klimatkris på medeltiden2009In: Populär Historia, ISSN 1102-0822, no 12, 48-52 p.Article in journal (Other (popular science, discussion, etc.))
  • 34.
    Charpentier Ljungqvist, Fredrik
    Stockholm University, Faculty of Humanities, Department of History.
    Kristen kungaideologi i Sverris saga2006In: Scripta Islandica, ISSN 0582-3234, Vol. 57, 79-95 p.Article in journal (Refereed)
  • 35.
    Charpentier Ljungqvist, Fredrik
    Stockholm University, Faculty of Humanities, Department of History.
    Kungaideologin i Sverris saga2006In: The fantastic in Old Norse/Icelandic literature. Sagas and the British Isles: Preprint Papers of The 13th International Saga Conference. Durham and York, 6th–12th August, 2006 II, 2006, 583-592 p.Conference paper (Other academic)
    Abstract [sv]

    I det traditionella norröna samhället var en god kung detsamma som en framgångsrik kung. Det var framgången som legitimerade rätten till tronen. När kungamakten institutionaliserades förändrades kraven som ställdes på kungen. En religiös legitimitet för maktutövningen blev nödvändig, representerad i den rex iustus-doktrin som gjorde sitt intåg genom integrationen med det kristna Europa.

    Sverrir Sigurðarson († 1202) gjorde anspråk på den norska kronan under vad som måste betecknas som övergångsskedet mellan den gamla och nya kungaideologin. Den nästan samtida biografin över honom, Sverris saga, ger ett unikt porträtt av ett medeltida härskarliv, som möjliggör en analys av den ideologi som hans maktanspråk legitimeras genom. Sverre Bagge har i sin tongivande forskning menat att sagan legitimerar Sverrir genom hans framgångar på slagfältet. Med andra ord menar Bagge att sagan präglas av främst traditionell norrön kungaideologi. I mitt paper kommer jag att diskutera den uppfattningen med utgångspunkt från att forskare som Aron J. Gurevich, Ludvig Holm-Olsen, Halvdan Koht och Gerhard Loescher inte har delat Bagges uppfattning, utan istället framhållit den religiösa retorikens betydelse för legitimitetsskapandet.

    Ideologin i Sverris saga uttalas sällan direkt, utan måste istället sökas såväl i dialoger, tal och drömmar som i beskrivningen av kungen och hans handlande. Jag syftar i mitt paper till att utreda och åtskilja vilka element i Sverris saga som bör kopplas till ett traditionellt norrönt kungaideal, respektive vilka som bör kopplas till rex iustus-doktrinen. På det viset vill jag kunna nå ett steg längre än i tidigare forskning när det gäller att fastslå i vilken utsträckning de bägge kungaideologierna finns företrädda i sagan. En sak som jag vill lägga särskild vikt vid är om sätten, som Sverrirs rätt till tronen legitimeras på i sagan, förändras sedan han har blivit bannlyst av påven.

  • 36.
    Charpentier Ljungqvist, Fredrik
    Stockholm University, Faculty of Humanities, Department of History.
    Kungamakten och lagen: En jämförelse mellan Danmark, Norge och Sverige under högmedeltiden2014Doctoral thesis, monograph (Other academic)
    Abstract [en]

    The dissertation is a comparative study of the expansion of law-regulated royal power in Denmark, Norway, and Sweden c. 1150–1350. The aim is to examine how the king’s judicial and military authority and functions, and their effect on the power position of the regional legal assembly and the church, is expressed and how it changed over time in the extant law material. The starting point is the pan-European consolidation of royal power in the High Middle Ages, and the dissertation considers international research on the medieval state formation process and its driving forces. The processual concepts of centralization, institutionalization, hierarchization, and territorialization occupy a central place in the analysis.

    Danish, Norwegian, and Swedish laws all reflect a significant increase in royal power. A growing number of societal functions were vested in the increasingly institutionalized kingship, and there was a growth in its power resources. At the same time, it is possible to identify crucial inter-Scandinavian differences. A main finding is that the law-regulated royal power, in most respects, was strongest in Norway and weakest in Sweden. Another important conclusion is that executive royal power first emerged after the judicial and also legislative power had already to a large extent come under royal control.

    It is demonstrated that Scandinavian kingship in the High Middle Ages was characterized by increasingly centralized and institutionalized territorially based power, with a greater monopoly on the use of legitimate force, and thereby strengthened the ongoing state formation process. The expansion of law-regulated royal power primarily concerned the judicial sphere and only secondarily the military and fiscal spheres. That state formation was driven by judicial development rather than militarization is also shown by the fact that Norway, despite having the least professionalized and resource-demanding armed forces, was the Scandinavian country with the most centralized and institutionalized royal power.

  • 37.
    Charpentier Ljungqvist, Fredrik
    Stockholm University, Faculty of Humanities, Department of History.
    Lagfäst kungamakt under högmedeltiden: en komparativ internnordisk studie2016Book (Refereed)
    Abstract [sv]

    Denna bok behandlar lagregleringen av den expanderande kungamakten i det högmedeltida Danmark, Norge och Sverige ur ett komparativt perspektiv. Utifrån bevarat lagmaterial undersöks utvecklingen av kungamaktens rättsliga och militära befogenheter och funktioner i relation till tingsmenigheternas och kyrkans förändrade maktställning. Dessa statsrättsliga frågeställningar, som ägnats förhållandevis lite intresse under senare år, blir belysta utifrån den numera omfattande internationella forskningen om den medeltida statsbildningsprocessen i Europa. Såväl danskt, norskt som svenskt lagmaterial ger uttryck för en påtaglig ökning av samhälleliga funktioner underställda en allt starkare kungamakt. Likväl framträder samtidigt betydande internordiska skillnader avseende såväl omfattningen av, som formerna för, den kungliga maktutövningen. Den lagreglerade kungamakten var, i de flesta avseenden, starkast och tidigast utvecklad i Norge och svagast och senast utvecklad i Sverige. Studien visar att den allt mer centraliserade och institutionaliserade kungliga maktutövningen, som präglades av en ökad ensamrätt till bruket av legitimt våld, kan betraktas som uttryck för en pågående statsbildningsprocess. Lagregleringen av rättslig makt framstår som avsevärt viktigare för denna utveckling än regleringen av militär eller fiskal makt. Ett annat viktigt resultat är att kunglig exekutiv makt först uppträdde efter etableringen av dömande, och i många avseenden även lagstiftande, kunglig makt.

  • 38.
    Charpentier Ljungqvist, Fredrik
    Stockholm University, Faculty of Humanities, Department of History.
    L'Anse aux Meadows - sagornas leifbodar?2001In: Populär arkeologi, ISSN 0281-014X, Vol. 19, no 3, 26-27 p.Article in journal (Other (popular science, discussion, etc.))
  • 39.
    Charpentier Ljungqvist, Fredrik
    Stockholm University, Faculty of Humanities, Department of History.
    Medeltida garnstumpar knyter samman Norden med Kanada2004In: Populär arkeologi, ISSN 0281-014X, Vol. 22, no 1, 24-25 p.Article in journal (Other (popular science, discussion, etc.))
  • 40.
    Charpentier Ljungqvist, Fredrik
    Stockholm University, Faculty of Humanities, Department of History.
    Medryckande om medeltidens Gotland2007In: Populär Historia, Vol. 12, 81- p.Article, book review (Other (popular science, discussion, etc.))
  • 41.
    Charpentier Ljungqvist, Fredrik
    Stockholm University, Faculty of Humanities, Department of History.
    Miljöfrågan i det moderna Sverige2013In: Sveriges historia. 1965–2012: [rekordåren, ett socialdemokratiskt århundrade, vänstervind och högervåg, miljö och kärnkraft, kriserna, det mångkulturella Sverige, världens mest jämställda land, den nya individualismen, neutralitetspolitikens fall, maktskifte och systemskifte, från kanal 1 till Internet] / [ed] Kjell Östberg & Jenny Andersson, Stockholm: Norstedts Förlag, 2013, 236-239 p.Chapter in book (Other (popular science, discussion, etc.))
  • 42.
    Charpentier Ljungqvist, Fredrik
    Stockholm University, Faculty of Humanities, Department of History.
    Mongolernas rykte nådde även Sverige2013In: Populär Historia, ISSN 1102-0822, no 4, 62-62 p.Article in journal (Other (popular science, discussion, etc.))
  • 43.
    Charpentier Ljungqvist, Fredrik
    Stockholm University, Faculty of Humanities, Department of History. Stockholm University, Faculty of Humanities, Centre for Medieval Studies.
    Nya perspektiv på nordisk järnålder och medeltid2016In: Aktuellt om historia, ISSN 0348-503X, no 1, 7-24 p.Article in journal (Other (popular science, discussion, etc.))
  • 44.
    Charpentier Ljungqvist, Fredrik
    Stockholm University, Faculty of Humanities, Department of History.
    Nytt om klimatet under vikingatiden2007In: Populär arkeologi, ISSN 0281-014X, Vol. 25, no 3, 34-35 p.Article in journal (Other (popular science, discussion, etc.))
  • 45.
    Charpentier Ljungqvist, Fredrik
    Stockholm University, Faculty of Humanities, Department of History. Stockholm University, Faculty of Humanities, Centre for Medieval Studies.
    När européerna erövrade världen2010In: Populär Historia, ISSN 1102-0822, no 1, 62-63 p.Article, book review (Other (popular science, discussion, etc.))
  • 46. Charpentier Ljungqvist, Fredrik
    När Grönland var grönare: Medeltidens märkliga värmeperiod2014In: Forskning & Framsteg, ISSN 0015-7937, Vol. 48, no 4, 56-62 p.Article, review/survey (Other (popular science, discussion, etc.))
  • 47.
    Charpentier Ljungqvist, Fredrik
    Stockholm University, Faculty of Humanities, Department of History.
    Rape in the Icelandic Sagas: An Insight in the Perceptions about Sexual Assaults on Women in the Old Norse World2015In: Journal of Family History, ISSN 0363-1990, E-ISSN 1552-5473, Vol. 40, no 4, 431-447 p.Article in journal (Refereed)
    Abstract [en]

    This article examines the perceptions of rape and other sexual assaults against women in the Old Norse world based on the medieval Icelandic saga literature. A key starting point is the fact that the Old Norse society was an honor culture, in which honor and dishonor were concepts of supreme social importance. The Icelandic saga literature devotes very little attention to women’s own experiences of sexual assault or to how such assault affected their personal honor, despite clear indications that rape was perceived as a violation of a woman’s bodily integrity and was dishonorable to the victim. Conversely, the central theme in the depictions of rape in the saga literature is that sexual assault was regarded as highly defamatory to the woman’s male relatives, demanding blood vengeance in return. Thus, rape was considered primarily an offense against the woman’s male relatives and only secondly against the woman herself. Since sexual assaults against women could be used to dishonor men, it follows that there are examples in the sagas of how rape is used as a “weapon” during feuds. It is quite clear, however, that this was regarded as a feud crime, and rape, in most cases, was socially unacceptable and denounced.

  • 48.
    Charpentier Ljungqvist, Fredrik
    Stockholm University, Faculty of Humanities, Department of History.
    [Recension av Birgitta Linderoth Wallaces bok ”Westward Vikings: The Saga of L’Anse aux Meadows” (2006)]2008In: Fornvännen: Journal of Swedish Antiquarian Research, ISSN 0015-7813, Vol. 103, 212-214 p.Article, book review (Other (popular science, discussion, etc.))
  • 49.
    Charpentier Ljungqvist, Fredrik
    Stockholm University, Faculty of Humanities, Department of History.
    [Recension av Nora Berends (red.) bok ”Christianization and the Rise of Christian Monarchy: Scandinavia, Central Europe and Rus’ c. 900–1200” (2007)]2008In: Scandia: Tidskrift för historisk forskning, ISSN 0036-5483, Vol. 74, no 2, 127–129- p.Article, book review (Other academic)
  • 50.
    Charpentier Ljungqvist, Fredrik
    Stockholm University, Faculty of Humanities, Department of History. Stockholm University, Faculty of Humanities, Centre for Medieval Studies.
    Rekord i fåfänga men inte i köld2010In: Expressen, ISSN 1103-923X, Vol. söndagen den 10 januari, 4-4 p.Article in journal (Other (popular science, discussion, etc.))
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