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103-516: Excavation of the ship from the Oseberg burial mound (Norwegian: Oseberghaugen ved Slagen from the Old Norse word haugr meaning kurgan mound or barrow) was undertaken by Swedish archaeologist Gabriel Gustafson and Norwegian archaeologist Haakon Shetelig in 1904–1905. The grave also contained two female human skeletons as well as a considerable number of grave goods . Scientific dating of

206-539: A 2 t 3 k v ρ 1 3 ( c 4 + c 1 e − a 1 t + c 2 e − a 2 t ) 2 3 {\displaystyle \Delta L(t)=-{\frac {c_{1}e^{-a_{1}t}+c_{2}e^{-a_{2}t}}{3k_{v}\rho ^{\frac {1}{3}}\left(c_{4}+c_{1}e^{-a_{1}t}+c_{2}e^{-a_{2}t}\right)^{\frac {2}{3}}}}} where c 1 , c 2 , and c 4 are some coefficients,

309-535: A 1 and a 2 are positive constants. The formula is useful for correct approximation of samples data before data normalization procedure. The typical forms of the function Δ L ( t ) of annual growth of wood ring are shown in the figures. Dendrochronology allows specimens of once-living material to be accurately dated to a specific year. Dates are often represented as estimated calendar years B.P. , for before present, where "present" refers to 1 January 1950. Timber core samples are sampled and used to measure

412-696: A dialect continuum , with no clear geographical boundary between them. Old East Norse traits were found in eastern Norway , although Old Norwegian is classified as Old West Norse, and Old West Norse traits were found in western Sweden . In what is present-day Denmark and Sweden, most speakers spoke Old East Norse. Though Old Gutnish is sometimes included in the Old East Norse dialect due to geographical associations, it developed its own unique features and shared in changes to both other branches. The 12th-century Icelandic Gray Goose Laws state that Swedes , Norwegians , Icelanders , and Danes spoke

515-509: A shaman . There were also the skeletal remains of 14 horses , an ox, and three dogs found on the ship. According to Per Holck of the University of Oslo , the younger woman's mitochondrial haplogroup was discovered to be U7 . Her direct maternal ancestors came to Norway from the Pontic littoral, probably Iran. Three subsequent studies failed to confirm these results, however, and it

618-549: A German professor of forest pathology, wrote a series of papers on the anatomy and ecology of tree rings. In 1892, the Russian physicist Fedor Nikiforovich Shvedov  [ ro ; ru ; uk ] (1841–1905) wrote that he had used patterns found in tree rings to predict droughts in 1882 and 1891. During the first half of the twentieth century, the astronomer A. E. Douglass founded the Laboratory of Tree-Ring Research at

721-727: A change known as Holtzmann's law . An epenthetic vowel became popular by 1200 in Old Danish, 1250 in Old Swedish and Old Norwegian, and 1300 in Old Icelandic. An unstressed vowel was used which varied by dialect. Old Norwegian exhibited all three: /u/ was used in West Norwegian south of Bergen , as in aftur , aftor (older aptr ); North of Bergen, /i/ appeared in aftir , after ; and East Norwegian used /a/ , after , aftær . Old Norse

824-417: A female raven or a male crow. All neuter words have identical nominative and accusative forms, and all feminine words have identical nominative and accusative plurals. The gender of some words' plurals does not agree with that of their singulars, such as lim and mund . Some words, such as hungr , have multiple genders, evidenced by their determiners being declined in different genders within

927-412: A front vowel to be split into a semivowel-vowel sequence before a back vowel in the following syllable. While West Norse only broke /e/ , East Norse also broke /i/ . The change was blocked by a /w/ , /l/ , or /ʀ/ preceding the potentially-broken vowel. Some /ja/ or /jɔ/ and /jaː/ or /jɔː/ result from breaking of /e/ and /eː/ respectively. When a noun, pronoun, adjective, or verb has

1030-409: A given sentence. Nouns, adjectives, and pronouns were declined in four grammatical cases – nominative , accusative , genitive , and dative  – in singular and plural numbers. Adjectives and pronouns were additionally declined in three grammatical genders. Some pronouns (first and second person) could have dual number in addition to singular and plural. The genitive

1133-401: A gradual replacement of wooden panels by canvas as the support for paintings, which means the technique is less often applicable to later paintings. In addition, many panel paintings were transferred onto canvas or other supports during the nineteenth and twentieth centuries. The dating of buildings with wooden structures and components is also done by dendrochronology; dendroarchaeology is

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1236-547: A lack of this knowledge. In 2010, a new reconstruction project called Saga Oseberg was started. Using timber from Denmark and Norway and utilizing traditional building methods from the Viking Age, this newest Oseberg ship was successfully completed. The new ship was launched from the city of Tønsberg on 20 June 2012. The ship floated very well and in March 2014 it was sailed on the open seas, with Færder as its destination;

1339-584: A long vowel or diphthong in the accented syllable and its stem ends in a single l , n , or s , the r (or the elder r - or z -variant ʀ ) in an ending is assimilated. When the accented vowel is short, the ending is dropped. The nominative of the strong masculine declension and some i-stem feminine nouns uses one such -r (ʀ). Óðin-r ( Óðin-ʀ ) becomes Óðinn instead of * Óðinr ( * Óðinʀ ). The verb blása ('to blow'), has third person present tense blæss ('[he] blows') rather than * blæsr ( * blæsʀ ). Similarly,

1442-430: A masculine appearance and beard. The second was initially believed to be aged 25–30, but analysis of tooth-root translucency suggests she was older (aged 50–55). It is not clear which one was the more important in life or whether one was sacrificed to accompany the other in death. The younger woman had a broken collarbone , initially thought to be evidence that she was a human sacrifice , but closer examination showed that

1545-512: A much greater number have been analysed. A portrait of Mary, Queen of Scots in the National Portrait Gallery, London was believed to be an eighteenth-century copy. However, dendrochronology revealed that the wood dated from the second half of the sixteenth century. It is now regarded as an original sixteenth-century painting by an unknown artist. On the other hand, dendrochronology was applied to four paintings depicting

1648-474: A noun must mirror the gender of that noun , so that one says, " heill maðr! " but, " heilt barn! ". As in other languages, the grammatical gender of an impersonal noun is generally unrelated to an expected natural gender of that noun. While indeed karl , "man" is masculine, kona , "woman", is feminine, and hús , "house", is neuter, so also are hrafn and kráka , for "raven" and "crow", masculine and feminine respectively, even in reference to

1751-503: A reference for subsequent European naturalists. In the U.S., Alexander Catlin Twining (1801–1884) suggested in 1833 that patterns among tree rings could be used to synchronize the dendrochronology of various trees and thereby to reconstruct past climates across entire regions. The English polymath Charles Babbage proposed using dendrochronology to date the remains of trees in peat bogs or even in geological strata (1835, 1838). During

1854-480: A relative internal chronology, they cannot be dendro-matched with the main Holocene absolute chronology. However, 14C analyses performed at high resolution on overlapped absolute and floating tree-rings series enable one to link them almost absolutely and hence to extend the calibration on annual tree rings until ≈13 900 cal yr BP." Herbchronology is the analysis of annual growth rings (or simply annual rings) in

1957-597: A section against another chronology (tree-ring history) whose dates are known. A fully anchored and cross-matched chronology for oak and pine in central Europe extends back 12,460 years, and an oak chronology goes back 7,429 years in Ireland and 6,939 years in England . Comparison of radiocarbon and dendrochronological ages supports the consistency of these two independent dendrochronological sequences. Another fully anchored chronology that extends back 8,500 years exists for

2060-476: A similar development influenced by Middle Low German . Various languages unrelated to Old Norse and others not closely related have been heavily influenced by Norse, particularly the Norman language ; to a lesser extent, Finnish and Estonian . Russian, Ukrainian , Belarusian , Lithuanian and Latvian also have a few Norse loanwords. The words Rus and Russia , according to one theory, may be named after

2163-424: A small part of the radius of the trunk. Consequently, dating studies usually result in a terminus post quem (earliest possible) date, and a tentative date for the arrival of a seasoned raw panel using assumptions as to these factors. As a result of establishing numerous sequences, it was possible to date 85–90% of the 250 paintings from the fourteenth to seventeenth century analysed between 1971 and 1982; by now

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2266-720: A tunic worn under the red dress. Dendrochronological analysis of timbers in the grave chamber dates the burial to the autumn of 834. Although the high-ranking woman's identity is unknown, it has been suggested that she is Queen Åsa of the Yngling clan, mother of Halfdan the Black and grandmother of Harald Fairhair . Recent tests of the women's remains suggest that they lived in Agder in Norway, as had Queen Åsa. This theory has been challenged, however, and some think that she may have been

2369-608: A voiced velar fricative [ɣ] in all cases, and others have that realisation only in the middle of words and between vowels (with it otherwise being realised [ɡ] ). The Old East Norse /ʀ/ was an apical consonant , with its precise position unknown; it is reconstructed as a palatal sibilant . It descended from Proto-Germanic /z/ and eventually developed into /r/ , as had already occurred in Old West Norse. The consonant digraphs ⟨hl⟩ , ⟨hr⟩ , and ⟨hn⟩ occurred word-initially. It

2472-467: A vowel or semivowel of a different vowel backness . In the case of i-umlaut and ʀ-umlaut , this entails a fronting of back vowels, with retention of lip rounding. In the case of u-umlaut , this entails labialization of unrounded vowels. Umlaut is phonemic and in many situations grammatically significant as a side effect of losing the Proto-Germanic morphological suffixes whose vowels created

2575-417: A wide ring, while a drought year may result in a very narrow one. Direct reading of tree ring chronologies is a complex science, for several reasons. First, contrary to the single-ring-per-year paradigm, alternating poor and favorable conditions, such as mid-summer droughts, can result in several rings forming in a given year. In addition, particular tree species may present "missing rings", and this influences

2678-448: A word. Strong verbs ablaut the lemma 's nucleus to derive the past forms of the verb. This parallels English conjugation, where, e.g., the nucleus of sing becomes sang in the past tense and sung in the past participle. Some verbs are derived by ablaut, as the present-in-past verbs do by consequence of being derived from the past tense forms of strong verbs. Umlaut or mutation is an assimilatory process acting on vowels preceding

2781-636: Is a term used to designate a layer of deformed, collapsed tracheids and traumatic parenchyma cells in tree ring analysis. They are formed when air temperature falls below freezing during a period of cambial activity. They can be used in dendrochronology to indicate years that are colder than usual. Dates from dendrochronology can be used as a calibration and check of radiocarbon dating . This can be done by checking radiocarbon dates against long master sequences, with Californian bristle-cone pines in Arizona being used to develop this method of calibration as

2884-496: Is also used as a check in radiocarbon dating to calibrate radiocarbon ages . New growth in trees occurs in a layer of cells near the bark. A tree's growth rate changes in a predictable pattern throughout the year in response to seasonal climate changes, resulting in visible growth rings. Each ring marks a complete cycle of seasons , or one year, in the tree's life. As of 2023, securely dated tree-ring data for Germany and Ireland are available going back 13,910 years. A new method

2987-427: Is based on measuring variations in oxygen isotopes in each ring, and this 'isotope dendrochronology' can yield results on samples which are not suitable for traditional dendrochronology due to too few or too similar rings. Some regions have "floating sequences", with gaps which mean that earlier periods can only be approximately dated. As of 2024, only three areas have continuous sequences going back to prehistoric times,

3090-465: Is expected to exist, such as in the male names Ragnarr , Steinarr (supposedly * Ragnarʀ , * Steinarʀ ), the result is apparently always /rː/ rather than */rʀ/ or */ʀː/ . This is observable in the Runic corpus. In Old Norse, i/j adjacent to i , e , their u-umlauts, and æ was not possible, nor u/v adjacent to u , o , their i-umlauts, and ǫ . At

3193-406: Is likely that the bone samples contain little (if any) original DNA or have been contaminated through handling. Examinations of fragments of the skeletons have provided more insight into their lives. The younger woman's teeth showed signs that she used a metal toothpick, a rare 9th century luxury. Both women had a diet composed mainly of meat, another luxury when most Vikings ate fish. However, there

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3296-584: Is more common in Old West Norse in both phonemic and allophonic positions, while it only occurs sparsely in post-runic Old East Norse and even in runic Old East Norse. This is still a major difference between Swedish and Faroese and Icelandic today. Plurals of neuters do not have u-umlaut at all in Swedish, but in Faroese and Icelandic they do, for example the Faroese and Icelandic plurals of the word land , lond and lönd respectively, in contrast to

3399-409: Is more uniform (complacent). In addition, some genera of trees are more suitable than others for this type of analysis. For instance, the bristlecone pine is exceptionally long-lived and slow growing, and has been used extensively for chronologies; still-living and dead specimens of this species provide tree-ring patterns going back thousands of years, in some regions more than 10,000 years. Currently,

3502-459: Is that the nonphonemic difference between the voiced and the voiceless dental fricative is marked. The oldest texts and runic inscriptions use þ exclusively. Long vowels are denoted with acutes . Most other letters are written with the same glyph as the IPA phoneme, except as shown in the table below. Ablaut patterns are groups of vowels which are swapped, or ablauted, in the nucleus of

3605-562: Is the connection between the patterned enamel torso and similar human figures in the Gospel books of the Insular art of Ireland , such as the Book of Durrow . More mundane items such as agricultural and household tools were also found. A series of textiles included woolen garments, imported silks , and narrow tapestries . The Oseberg burial is one of the few sources of Viking Age textiles, and

3708-426: Is the science of determining past climates from trees primarily from the properties of the annual tree rings. Other properties of the annual rings, such as maximum latewood density (MXD) have been shown to be better proxies than simple ring width. Using tree rings, scientists have estimated many local climates for hundreds to thousands of years previous. Dendrochronology has become important to art historians in

3811-557: Is unclear whether they were sequences of two consonants (with the first element realised as /h/ or perhaps /x/ ) or as single voiceless sonorants /l̥/ , /r̥/ and /n̥/ respectively. In Old Norwegian, Old Danish and later Old Swedish, the groups ⟨hl⟩ , ⟨hr⟩ , and ⟨hn⟩ were reduced to plain ⟨l⟩ , ⟨r⟩ , ⟨n⟩ , which suggests that they had most likely already been pronounced as voiceless sonorants by Old Norse times. The pronunciation of ⟨hv⟩

3914-620: Is unclear, but it may have been /xʷ/ (the Proto-Germanic pronunciation), /hʷ/ or the similar phoneme /ʍ/ . Unlike the three other digraphs, it was retained much longer in all dialects. Without ever developing into a voiceless sonorant in Icelandic, it instead underwent fortition to a plosive /kv/ , which suggests that instead of being a voiceless sonorant, it retained a stronger frication. Primary stress in Old Norse falls on

4017-525: Is useful for determining the precise age of samples, especially those that are too recent for radiocarbon dating , which always produces a range rather than an exact date. However, for a precise date of the death of the tree a full sample to the edge is needed, which most trimmed timber will not provide. It also gives data on the timing of events and rates of change in the environment (most prominently climate) and also in wood found in archaeology or works of art and architecture, such as old panel paintings . It

4120-449: Is width of annual ring, t is time (in years), ρ is density of wood, k v is some coefficient, M ( t ) is function of mass growth of the tree. Ignoring the natural sinusoidal oscillations in tree mass, the formula for the changes in the annual ring width is: Δ L ( t ) = − c 1 e − a 1 t + c 2 e −

4223-535: The Latin alphabet , there was no standardized orthography in use in the Middle Ages. A modified version of the letter wynn called vend was used briefly for the sounds /u/ , /v/ , and /w/ . Long vowels were sometimes marked with acutes but also sometimes left unmarked or geminated. The standardized Old Norse spelling was created in the 19th century and is, for the most part, phonemic. The most notable deviation

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4326-667: The Rus' people , a Norse tribe, probably from present-day east-central Sweden. The current Finnish and Estonian words for Sweden are Ruotsi and Rootsi , respectively. A number of loanwords have been introduced into Irish , many associated with fishing and sailing. A similar influence is found in Scottish Gaelic , with over one hundred loanwords estimated to be in the language, many of which are related to fishing and sailing. Old Norse vowel phonemes mostly come in pairs of long and short. The standardized orthography marks

4429-471: The University of Arizona . Douglass sought to better understand cycles of sunspot activity and reasoned that changes in solar activity would affect climate patterns on earth, which would subsequently be recorded by tree-ring growth patterns ( i.e. , sunspots → climate → tree rings). Horizontal cross sections cut through the trunk of a tree can reveal growth rings, also referred to as tree rings or annual rings . Growth rings result from new growth in

4532-550: The Vistula region via ports of the Hanseatic League . Oak panels were used in a number of northern countries such as England , France and Germany . Wooden supports other than oak were rarely used by Netherlandish painters. Since panels of seasoned wood were used, an uncertain number of years has to be allowed for seasoning when estimating dates. Panels were trimmed of the outer rings, and often each panel only uses

4635-438: The vascular cambium , a layer of cells near the bark that botanists classify as a lateral meristem ; this growth in diameter is known as secondary growth . Visible rings result from the change in growth speed through the seasons of the year; thus, critical for the title method, one ring generally marks the passage of one year in the life of the tree. Removal of the bark of the tree in a particular area may cause deformation of

4738-668: The word stem , so that hyrjar would be pronounced /ˈhyr.jar/ . In compound words, secondary stress falls on the second stem (e.g. lærisveinn , /ˈlɛːɾ.iˌswɛinː/ ). Unlike Proto-Norse, which was written with the Elder Futhark , runic Old Norse was originally written with the Younger Futhark , which had only 16 letters. Because of the limited number of runes, several runes were used for different sounds, and long and short vowels were not distinguished in writing. Medieval runes came into use some time later. As for

4841-557: The 11th century in most of Old East Norse. However, the distinction still holds in Dalecarlian dialects . The dots in the following vowel table separate the oral from nasal phonemes. Note: The open or open-mid vowels may be transcribed differently: Sometime around the 13th century, /ɔ/ (spelled ⟨ǫ⟩ ) merged with /ø/ or /o/ in most dialects except Old Danish , and Icelandic where /ɔ/ ( ǫ ) merged with /ø/ . This can be determined by their distinction within

4944-979: The 12th-century First Grammatical Treatise but not within the early 13th-century Prose Edda . The nasal vowels, also noted in the First Grammatical Treatise, are assumed to have been lost in most dialects by this time (but notably they are retained in Elfdalian and other dialects of Ovansiljan ). See Old Icelandic for the mergers of /øː/ (spelled ⟨œ⟩ ) with /ɛː/ (spelled ⟨æ⟩ ) and /ɛ/ (spelled ⟨ę⟩ ) with /e/ (spelled ⟨e⟩ ). Old Norse had three diphthong phonemes: /ɛi/ , /ɔu/ , /øy ~ ɛy/ (spelled ⟨ei⟩ , ⟨au⟩ , ⟨ey⟩ respectively). In East Norse these would monophthongize and merge with /eː/ and /øː/ , whereas in West Norse and its descendants

5047-668: The 13th century there. The age of the Swedish-speaking population of Finland is strongly contested, but Swedish settlement had spread the language into the region by the time of the Second Swedish Crusade in the 13th century at the latest. The modern descendants of the Old West Norse dialect are the West Scandinavian languages of Icelandic , Faroese , Norwegian , and the extinct Norn language of Orkney and Shetland , although Norwegian

5150-487: The 8th century, and Old Norse began to develop into the modern North Germanic languages in the mid- to late 14th century, ending the language phase known as Old Norse. These dates, however, are not absolute, since written Old Norse is found well into the 15th century. Old Norse was divided into three dialects : Old West Norse (Old West Nordic, often referred to as Old Norse ), Old East Norse (Old East Nordic), and Old Gutnish . Old West Norse and Old East Norse formed

5253-572: The Faroe Islands, Faroese has also been influenced by Danish. Both Middle English (especially northern English dialects within the area of the Danelaw ) and Early Scots (including Lowland Scots ) were strongly influenced by Norse and contained many Old Norse loanwords . Consequently, Modern English (including Scottish English ), inherited a significant proportion of its vocabulary directly from Norse. The development of Norman French

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5356-473: The Swedish plural land and numerous other examples. That also applies to almost all feminine nouns, for example the largest feminine noun group, the o-stem nouns (except the Swedish noun jord mentioned above), and even i-stem nouns and root nouns , such as Old West Norse mǫrk ( mörk in Icelandic) in comparison with Modern and Old Swedish mark . Vowel breaking, or fracture, caused

5459-541: The beginning of words, this manifested as a dropping of the initial /j/ (which was general, independent of the following vowel) or /v/ . Compare ON orð , úlfr , ár with English word, wolf, year . In inflections, this manifested as the dropping of the inflectional vowels. Thus, klæði + dat -i remains klæði , and sjáum in Icelandic progressed to sjǫ́um > sjǫ́m > sjám . The * jj and * ww of Proto-Germanic became ggj and ggv respectively in Old Norse,

5562-521: The bone had been healing for several weeks. The opulence of the burial rite and the grave-goods suggests that this was a burial of very high status. One woman wore a very fine red wool dress with a lozenge twill pattern (a luxury commodity) and a fine white linen veil in a gauze weave, while the other wore a plainer blue wool dress with a wool veil, possibly showing some stratification in their social status. Neither woman wore anything entirely made of silk, although small silk strips were appliqued onto

5665-701: The bristlecone pine in the Southwest US ( White Mountains of California). The dendrochronological equation defines the law of growth of tree rings. The equation was proposed by Russian biophysicist Alexandr N. Tetearing in his work "Theory of populations" in the form: Δ L ( t ) = 1 k v ρ 1 3 d ( M 1 3 ( t ) ) d t , {\displaystyle \Delta L(t)={\frac {1}{k_{v}\,\rho ^{\frac {1}{3}}}}\,{\frac {d\left(M^{\frac {1}{3}}(t)\right)}{dt}},} where Δ L

5768-411: The cluster */Crʀ/ cannot be realized as /Crː/ , nor as */Crʀ/ , nor as */Cʀː/ . The same shortening as in vetr also occurs in lax = laks ('salmon') (as opposed to * lakss , * laksʀ ), botn ('bottom') (as opposed to * botnn , * botnʀ ), and jarl (as opposed to * jarll , * jarlʀ ). Furthermore, wherever the cluster */rʀ/

5871-404: The database software Tellervo, which is based on the new standard format whilst being able to import lots of different data formats. The desktop application can be attached to measurement devices and works with the database server that is installed separately. Bard et al write in 2023: "The oldest tree-ring series are known as floating since, while their constituent rings can be counted to create

5974-491: The dating of panel paintings . However, unlike analysis of samples from buildings, which are typically sent to a laboratory, wooden supports for paintings usually have to be measured in a museum conservation department, which places limitations on the techniques that can be used. In addition to dating, dendrochronology can also provide information as to the source of the panel. Many Early Netherlandish paintings have turned out to be painted on panels of "Baltic oak" shipped from

6077-493: The debate on whether to move the original ship to a proposed new museum, thorough investigations were made into the feasibility of moving the ship without damaging it. As part of that process, highly detailed photographic and laser scans of both the exterior and interior of the ship were made. In 2004, an attempt to build a copy of the Oseberg ship was launched. A collective effort of Norwegian and Danish professional builders, scientists and volunteers engaged in this new attempt with

6180-449: The diphthongs remained. Old Norse has six plosive phonemes, /p/ being rare word-initially and /d/ and /b/ pronounced as voiced fricative allophones between vowels except in compound words (e.g. veðrabati ), already in the Proto-Germanic language (e.g. * b *[β] > [v] between vowels). The /ɡ/ phoneme was pronounced as [ɡ] after an /n/ or another /ɡ/ and as [k] before /s/ and /t/ . Some accounts have it

6283-623: The effects on tree rings of defoliation caused by insect infestations. By 1882, this observation was already appearing in forestry textbooks. In the 1870s, the Dutch astronomer Jacobus Kapteyn (1851–1922) was using crossdating to reconstruct the climates of the Netherlands and Germany. In 1881, the Swiss-Austrian forester Arthur von Seckendorff -Gudent (1845–1886) was using crossdating. From 1869 to 1901, Robert Hartig (1839–1901),

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6386-491: The exact year they were formed in a tree. As well as dating them, this can give data for dendroclimatology , the study of climate and atmospheric conditions during different periods in history from the wood of old trees. Dendrochronology derives from the Ancient Greek dendron ( δένδρον ), meaning "tree", khronos ( χρόνος ), meaning "time", and -logia ( -λογία ), "the study of". Dendrochronology

6489-563: The foothills of the Northern Alps , the southwestern United States and the British Isles. Miyake events , which are major spikes in cosmic rays at known dates, are visible in trees rings and can fix the dating of a floating sequence. The Greek botanist Theophrastus (c. 371 – c. 287 BC) first mentioned that the wood of trees has rings. In his Trattato della Pittura (Treatise on Painting), Leonardo da Vinci (1452–1519)

6592-405: The history of building technology. Many prehistoric forms of buildings used "posts" that were whole young tree trunks; where the bottom of the post has survived in the ground these can be especially useful for dating. Examples: There are many different file formats used to store tree ring width data. Effort for standardisation was made with the development of TRiDaS. Further development led to

6695-426: The isotopes of carbon and oxygen in their spines ( acanthochronology ). These are used for dating in a manner similar to dendrochronology, and such techniques are used in combination with dendrochronology, to plug gaps and to extend the range of the seasonal data available to archaeologists and paleoclimatologists . A similar technique is used to estimate the age of fish stocks through the analysis of growth rings in

6798-552: The latter half of the nineteenth century, the scientific study of tree rings and the application of dendrochronology began. In 1859, the German-American Jacob Kuechler (1823–1893) used crossdating to examine oaks ( Quercus stellata ) in order to study the record of climate in western Texas. In 1866, the German botanist, entomologist, and forester Julius Theodor Christian Ratzeburg (1801–1871) observed

6901-399: The long vowels with an acute accent. In medieval manuscripts, it is often unmarked but sometimes marked with an accent or through gemination . Old Norse had nasalized versions of all ten vowel places. These occurred as allophones of the vowels before nasal consonants and in places where a nasal had followed it in an older form of the word, before it was absorbed into a neighboring sound. If

7004-458: The longevity of the trees (up to c.4900 years) in addition to the use of dead samples meant a long, unbroken tree ring sequence could be developed (dating back to c.  6700 BC ). Additional studies of European oak trees, such as the master sequence in Germany that dates back to c.  8500 BC , can also be used to back up and further calibrate radiocarbon dates. Dendroclimatology

7107-432: The maximum span for fully anchored chronology is a little over 11,000 years B.P. IntCal20 is the 2020 "Radiocarbon Age Calibration Curve", which provides a calibrated carbon 14 dated sequence going back 55,000 years. The most recent part, going back 13,900 years, is based on tree rings. European chronologies derived from wooden structures initially found it difficult to bridge the gap in the fourteenth century when there

7210-730: The most conservative language, such that in present-day Iceland, schoolchildren are able to read the 12th-century Icelandic sagas in the original language (in editions with normalised spelling). Old Icelandic was very close to Old Norwegian , and together they formed Old West Norse , which was also spoken in Norse settlements in Greenland , the Faroes , Ireland , Scotland , the Isle of Man , northwest England, and in Normandy . Old East Norse

7313-514: The nasal was absorbed by a stressed vowel, it would also lengthen the vowel. This nasalization also occurred in the other Germanic languages, but were not retained long. They were noted in the First Grammatical Treatise , and otherwise might have remained unknown. The First Grammarian marked these with a dot above the letter. This notation did not catch on, and would soon be obsolete. Nasal and oral vowels probably merged around

7416-641: The other North Germanic languages. Faroese retains many similarities but is influenced by Danish, Norwegian, and Gaelic ( Scottish and/or Irish ). Although Swedish, Danish and Norwegian have diverged the most, they still retain considerable mutual intelligibility . Speakers of modern Swedish, Norwegian and Danish can mostly understand each other without studying their neighboring languages, particularly if speaking slowly. The languages are also sufficiently similar in writing that they can mostly be understood across borders. This could be because these languages have been mutually affected by each other, as well as having

7519-413: The photo and laser scans made available free of charge to the builders. During this new attempt, it was discovered that during the initial restoration of the ship a breach in some of the beams had been made and that the ship was therefore inadvertently altered, a fact that had not been appreciated earlier. This may be why an earlier replica, the 'Dronningen' , sank; this previous attempt had failed owing to

7622-462: The rings as the plant overgrows the scar. The rings are more visible in trees which have grown in temperate zones , where the seasons differ more markedly. The inner portion of a growth ring forms early in the growing season, when growth is comparatively rapid (hence the wood is less dense) and is known as "early wood" (or "spring wood", or "late-spring wood" ); the outer portion is the "late wood" (sometimes termed "summer wood", often being produced in

7725-536: The root vowel, ǫ , is short. The clusters */Clʀ, Csʀ, Cnʀ, Crʀ/ cannot yield */Clː, Csː, Cnː, Crː/ respectively, instead /Cl, Cs, Cn, Cr/ . The effect of this shortening can result in the lack of distinction between some forms of the noun. In the case of vetr ('winter'), the nominative and accusative singular and plural forms are identical. The nominative singular and nominative and accusative plural would otherwise have been OWN * vetrr , OEN * wintrʀ . These forms are impossible because

7828-441: The same language, dǫnsk tunga ("Danish tongue"; speakers of Old East Norse would have said dansk tunga ). Another term was norrœnt mál ("northern speech"). Today Old Norse has developed into the modern North Germanic languages Icelandic , Faroese , Norwegian , Danish , Swedish , and other North Germanic varieties of which Norwegian, Danish and Swedish retain considerable mutual intelligibility . Icelandic remains

7931-454: The same locale, in overlapping fashion, chronologies can be built up—both for entire geographical regions and for sub-regions. Moreover, wood from ancient structures with known chronologies can be matched to the tree-ring data (a technique called 'cross-dating'), and the age of the wood can thereby be determined precisely. Dendrochronologists originally carried out cross-dating by visual inspection; more recently, they have harnessed computers to do

8034-482: The same subject, that of Christ expelling the money-lenders from the Temple . The results showed that the age of the wood was too late for any of them to have been painted by Hieronymus Bosch . While dendrochronology has become an important tool for dating oak panels, it is not effective in dating the poplar panels often used by Italian painters because of the erratic growth rings in poplar. The sixteenth century saw

8137-445: The secondary root xylem of perennial herbaceous plants . Similar seasonal patterns also occur in ice cores and in varves (layers of sediment deposition in a lake, river, or sea bed). The deposition pattern in the core will vary for a frozen-over lake versus an ice-free lake, and with the fineness of the sediment. Sclerochronology is the study of algae deposits. Some columnar cacti also exhibit similar seasonal patterns in

8240-536: The selection of trees for study of long time-spans. For instance, missing rings are rare in oak and elm trees. Critical to the science, trees from the same region tend to develop the same patterns of ring widths for a given period of chronological study. Researchers can compare and match these patterns ring-for-ring with patterns from trees which have grown at the same time in the same geographical zone (and therefore under similar climatic conditions). When one can match these tree-ring patterns across successive trees in

8343-476: The ship could have achieved a speed of up to 10 knots (19 km/h; 12 mph). The ship has 15 pairs of openings for oars, enabling up to 30 people to row it. Other fittings include a broad steering oar, iron anchor, gangplank, and a bailer. The bow and stern of the ship are elaborately decorated with complex woodcarvings in the characteristic "gripping beast" style, also known as the Oseberg style . During

8446-429: The ship performed very well, achieving a speed of 10 knots under full sail. The reconstruction was thus a success and demonstrated that the Oseberg ship really could have sailed and was not just a burial chamber on land. The skeletons of two women were found in the grave with the ship. One, probably aged around 80, suffered badly from arthritis . The older woman also had Morgagni's syndrome , which would have given her

8549-443: The ship suggests it was buried no earlier than 834, although certain parts of its structure date from as early as 800, while other parts may be even older. The ship is a Karve , clinker built , almost entirely of oak . It is 21.58 metres (70.8 ft) in length and 5.10 metres (16.7 ft) broad, with a mast of approximately 9–10 metres (30–33 ft) in height. With a likely sail area of 90 square metres (970 sq ft),

8652-464: The so-called " Buddha bucket " ( Buddha-bøtte ), a brass and cloisonné enamel ornament of a bucket (pail) handle in the shape of a figure sitting with crossed legs. The bucket is made from yew wood, held together with brass strips, and the handle is attached to two anthropomorphic figures compared to depictions of the Buddha in the lotus posture , although any connection is most uncertain. More relevant

8755-455: The source of ships as well as smaller artifacts made from wood, but which were transported long distances, such as panels for paintings and ship timbers. Miyake events , such as the ones in 774–775 and 993–994 , can provide fixed reference points in an unknown time sequence as they are due to cosmic radiation. As they appear as spikes in carbon 14 in tree rings for that year all round the world, they can be used to date historical events to

8858-400: The summer, though sometimes in the autumn) and is denser. Many trees in temperate zones produce one growth-ring each year, with the newest adjacent to the bark. Hence, for the entire period of a tree's life, a year-by-year record or ring pattern builds up that reflects the age of the tree and the climatic conditions in which the tree grew. Adequate moisture and a long growing season result in

8961-413: The task, applying statistical techniques to assess the matching. To eliminate individual variations in tree-ring growth, dendrochronologists take the smoothed average of the tree-ring widths of multiple tree-samples to build up a 'ring history', a process termed replication. A tree-ring history whose beginning- and end-dates are not known is called a 'floating chronology'. It can be anchored by cross-matching

9064-477: The term for the application of dendrochronology in archaeology. While archaeologists can date wood and when it was felled, it may be difficult to definitively determine the age of a building or structure in which the wood was used; the wood could have been reused from an older structure, may have been felled and left for many years before use, or could have been used to replace a damaged piece of wood. The dating of building via dendrochronology thus requires knowledge of

9167-497: The umlaut allophones . Some /y/ , /yː/ , /ø/ , /øː/ , /ɛ/ , /ɛː/ , /øy/ , and all /ɛi/ were obtained by i-umlaut from /u/ , /uː/ , /o/ , /oː/ , /a/ , /aː/ , /au/ , and /ai/ respectively. Others were formed via ʀ-umlaut from /u/ , /uː/ , /a/ , /aː/ , and /au/ . Some /y/ , /yː/ , /ø/ , /øː/ , and all /ɔ/ , /ɔː/ were obtained by u-umlaut from /i/ , /iː/ , /e/ , /eː/ , and /a/ , /aː/ respectively. See Old Icelandic for information on /ɔː/ . /œ/

9270-482: The verb skína ('to shine') had present tense third person skínn (rather than * skínr , * skínʀ ); while kala ('to cool down') had present tense third person kell (rather than * kelr , * kelʀ ). The rule is not absolute, with certain counter-examples such as vinr ('friend'), which has the synonym vin , yet retains the unabsorbed version, and jǫtunn (' giant '), where assimilation takes place even though

9373-405: The width of annual growth rings; by taking samples from different sites within a particular region, researchers can build a comprehensive historical sequence. The techniques of dendrochronology are more consistent in areas where trees grew in marginal conditions such as aridity or semi-aridity where the ring growth is more sensitive to the environment, rather than in humid areas where tree-ring growth

9476-686: The wooden cart is the only complete Viking Age cart found so far. A bedpost shows one of the few period examples of the use of what has been dubbed the valknut symbol. The conservation of the wooden artifacts is an ongoing problem. On May 3, 2011, thirteen years after debate began over the disposition of the ship, Norwegian Minister of Education Kristin Halvorsen stated that the ship will not be moved from Bygdøy. 59°54′18″N 10°41′04″E  /  59.9050°N 10.6844°E  / 59.9050; 10.6844 Old Norse Old Norse , also referred to as Old Nordic , or Old Scandinavian ,

9579-592: The year. For example, wooden houses in the Viking site at L'Anse aux Meadows in Newfoundland were dated by finding the layer with the 993 spike, which showed that the wood is from a tree felled in 1021. Researchers at the University of Bern have provided exact dating of a floating sequence in a Neolithic settlement in northern Greece by tying it to a spike in cosmogenic radiocarbon in 5259 BC. Frost ring

9682-521: Was a building hiatus, which coincided with the Black Death . However, there do exist unbroken chronologies dating back to prehistoric times, for example the Danish chronology dating back to 352 BC. Given a sample of wood, the variation of the tree-ring growths not only provides a match by year, but can also match location because climate varies from place to place. This makes it possible to determine

9785-404: Was a moderately inflected language with high levels of nominal and verbal inflection. Most of the fused morphemes are retained in modern Icelandic, especially in regard to noun case declensions, whereas modern Norwegian in comparison has moved towards more analytical word structures. Old Norse had three grammatical genders – masculine, feminine, and neuter. Adjectives or pronouns referring to

9888-566: Was a stage of development of North Germanic dialects before their final divergence into separate Nordic languages. Old Norse was spoken by inhabitants of Scandinavia and their overseas settlements and chronologically coincides with the Viking Age , the Christianization of Scandinavia , and the consolidation of Scandinavian kingdoms from about the 8th to the 15th centuries. The Proto-Norse language developed into Old Norse by

9991-400: Was also influenced by Norse. Through Norman, to a smaller extent, so was modern French. Written modern Icelandic derives from the Old Norse phonemic writing system. Contemporary Icelandic-speakers can read Old Norse, which varies slightly in spelling as well as semantics and word order. However, pronunciation, particularly of the vowel phonemes, has changed at least as much in Icelandic as in

10094-583: Was heavily influenced by the East dialect, and is today more similar to East Scandinavian (Danish and Swedish) than to Icelandic and Faroese. The descendants of the Old East Norse dialect are the East Scandinavian languages of Danish and Swedish . Among these, the grammar of Icelandic and Faroese have changed the least from Old Norse in the last thousand years, though their pronunciations both have changed considerably from Old Norse. With Danish rule of

10197-424: Was not enough DNA to tell if they were related. The women were found together in one bed. The grave had been disturbed in antiquity, and objects made of precious metals were absent. Nevertheless, a great number of everyday items and artifacts were found during the 1904–1905 excavations. These included four elaborately decorated sleighs, a richly carved four-wheel wooden cart, bed-posts, and wooden chests, as well as

10300-535: Was obtained through a simultaneous u- and i-umlaut of /a/ . It appears in words like gøra ( gjǫra , geyra ), from Proto-Germanic *garwijaną , and commonly in verbs with a velar consonant before the suffix like søkkva < *sankwijaną . OEN often preserves the original value of the vowel directly preceding runic ʀ while OWN receives ʀ-umlaut. Compare runic OEN glaʀ, haʀi, hrauʀ with OWN gler, heri (later héri ), hrøyrr/hreyrr ("glass", "hare", "pile of rocks"). U-umlaut

10403-766: Was spoken in Denmark, Sweden, Kievan Rus' , eastern England, and Danish settlements in Normandy. The Old Gutnish dialect was spoken in Gotland and in various settlements in the East. In the 11th century, Old Norse was the most widely spoken European language , ranging from Vinland in the West to the Volga River in the East. In Kievan Rus' , it survived the longest in Veliky Novgorod , probably lasting into

10506-412: Was the first person to mention that trees form rings annually and that their thickness is determined by the conditions under which they grew. In 1737, French investigators Henri-Louis Duhamel du Monceau and Georges-Louis Leclerc de Buffon examined the effect of growing conditions on the shape of tree rings. They found that in 1709, a severe winter produced a distinctly dark tree ring, which served as

10609-420: Was used partitively and in compounds and kennings (e.g., Urðarbrunnr , the well of Urðr; Lokasenna , the gibing of Loki). There were several classes of nouns within each gender. The following is an example of the "strong" inflectional paradigms : Dendrochronology Dendrochronology (or tree-ring dating ) is the scientific method of dating tree rings (also called growth rings) to

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