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
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