Bothnia1-Wberg 1543-1736
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Odd PISY sample covering 1543-1736 probably ships timber from Lars Westerberg, Långholmen at Runmarö East of Stockholm.
External link:
www.cybis.se/forfun/dendro See Various dated objects
Analysis
A Test Towards Reference from a collection of reference collections gives these best matches:
T- Over
Corr Test lap Year
all... 0.36 5.35 193 1736 based on 37 members
swed023_ 0.54 8.96 193 1736 940 1 Jamtland, historisch proj EXTRAT. - no PCAB
NFinland 0.46 7.21 193 1736 Northern Finland
EXFin002 0.46 7.19 193 1736 Fin002 N.Finland (EXTRATERR)
SE006-La 0.42 6.48 193 1736 Lappland, Lund (EXTRATERR)
NKarelia 0.42 6.44 193 1736 North Karelia, Finland
_
FINL2_4_ 0.34 4.96 193 1866 SouthEast Finland
SödraDal 0.33 4.85 193 1736 Södra Dalarna, Axelson, Israels. PISY
DALARNA 0.31 4.45 193 1736 Dalarna, Lunds universitet (EXTRATERR)
...
Year numbers occurring more than once:
1736 9
1896 3
1860 2
With the reference (the plank) then dated to 1736 and with only the five best matches of the collection:
T- Over
Corr Test lap
all... 0.57 9.47 193 based on 5 members
swed023_ 0.54 8.96 193 Jamtland, historisch proj EXTRAT. - no PCAB (1107-1827)
NFinland 0.46 7.21 193 Northern Finland (1410-2001)
EXFin002 0.46 7.19 193 Fin002 N.Finland (EXTRATERR) (6-1993)
SE006-La 0.42 6.48 193 Lappland, Lund (EXTRATERR) (-309-1993)
NKarelia 0.42 6.44 193 North Karelia, Finland (1472-2001)
Tree ring data
RM001 1 Långholmen, Runmarö PISY RM001 2 Sweden Scots pine 1543 1736 RM001 3 Lars-Åke Larsson, www.cybis.se RM001 #### A plank from the wall of a barn at Långholmen, Runmarö (Lars Westerberg). RM001 #### At least 14 outermost rings left unmeasured. The tree was cut LATER than 1750. RM001 #### Matches curves from Jämtland and Northern Finland. WBG1A 1552 160 180 158 204 212 196 251 182 WBG1A 1560 190 238 200 172 178 121 87 130 119 141 WBG1A 1570 161 163 158 162 180 177 158 122 96 112 WBG1A 1580 75 81 96 106 144 162 126 100 83 84 WBG1A 1590 89 90 97 71 98 105 98 107 91 73 WBG1A 1600 56 42 49 58 67 68 95 77 89 63 WBG1A 1610 67 70 124 94 59 49 54 70 55 52 WBG1A 1620 51 55 54 52 67 82 67 87 49 81 WBG1A 1630 53 65 57 58 81 75 70 94 92 90 WBG1A 1640 86 41 59 78 65 82 98 77 102 110 WBG1A 1650 74 68 63 77 49 112 87 97 75 63 WBG1A 1660 75 53 65 72 64 37 27 54 49 60 WBG1A 1670 44 43 33 35 40 36 44 38 46 44 WBG1A 1680 31 54 51 41 51 36 39 32 35 56 WBG1A 1690 41 54 44 55 60 31 18 27 49 39 WBG1A 1700 46 40 43 49 47 29 40 34 24 16 WBG1A 1710 41 999 WBG1B 1543 151 145 127 147 215 151 159 WBG1B 1550 162 181 139 179 124 167 183 150 195 174 WBG1B 1560 186 202 181 157 147 110 119 104 86 113 WBG1B 1570 112 122 122 185 152 191 177 176 136 113 WBG1B 1580 89 121 114 132 138 146 130 119 108 84 WBG1B 1590 90 114 111 75 130 118 93 103 94 73 WBG1B 1600 51 39 48 53 67 74 102 90 82 76 WBG1B 1610 83 68 83 68 57 52 44 999 WBG1C 1543 152 156 118 151 191 168 193 WBG1C 1550 177 207 166 158 122 161 165 166 190 186 WBG1C 1560 225 225 210 141 132 113 95 121 110 120 WBG1C 1570 120 96 116 126 176 181 164 138 113 126 WBG1C 1580 90 121 118 136 113 132 132 101 86 85 WBG1C 1590 71 94 93 81 98 102 105 114 104 74 WBG1C 1600 72 38 44 49 55 66 79 89 79 59 WBG1C 1610 75 65 90 73 58 48 41 46 48 69 WBG1C 1620 51 58 49 48 36 70 62 61 31 47 WBG1C 1630 35 36 54 57 68 43 58 56 55 54 WBG1C 1640 68 38 43 62 58 46 54 67 72 68 WBG1C 1650 77 70 72 68 63 84 63 56 60 40 WBG1C 1660 45 45 40 50 72 48 36 38 59 47 WBG1C 1670 56 55 48 46 41 34 33 36 54 43 WBG1C 1680 28 33 43 38 50 37 46 61 43 45 WBG1C 1690 36 71 43 56 50 999 WBG1D 1666 31 54 55 50 WBG1D 1670 49 44 48 44 27 36 36 33 48 48 WBG1D 1680 35 64 51 40 51 34 44 41 39 54 WBG1D 1690 42 50 53 52 47 29 18 36 48 36 WBG1D 1700 46 41 51 57 52 30 41 39 18 15 WBG1D 1710 46 52 36 21 36 23 31 34 34 28 WBG1D 1720 42 28 27 24 36 29 25 26 21 21 WBG1D 1730 30 25 24 21 22 23 29 999