The Island Natural Research Area, Oregon, USA  - or089
Additional Site Information 
P.A. Knapp  P.T. Soule' 


Measurement type:  Total ring width
Purpose of Collection: Ecology 
Detrending: Negative exponontial or linear regression with negative or 0 slope

Location of core material:
Cores stored at LTRR. Availability unknown.

Reference:
Knapp, P.A. and Soule' P.T.  In press 2008. 
Use of atmospheric CO2-sensitive trees may influence 
dendroclimatic reconstructions.    
Geophysical Research Letters.   

Data collected for ecological and climatological purposes on a 
Research  Natural Area with minimal anthropogenic disturbances.  


COFECHA output:


      Chronology file name   : OR089.CRN
      Measurement file name  : OR089.RWL
      Date checked           : 29OCT08
      Checked by             : B. Bauer
      Beginning year         : 1733
      Ending year            : 1996
      Principal investigators: P.A. Knapp  P.T. Soule'                        
      Site name              : The Island Natural Research Area
      Site location          : Oregon       
      Species information    : JUOC WESTERN JUNIPER
      Latitude               :   4434
      Longitude              : -12116
      Elevation              :  730M

      Series intercorrelation: 0.872
      Avg mean sensitivity   : 0.619
      Avg standard deviation : 0.948
      Avg autocorrelation    : 0.441
      Number dated series    : 28
      Segment length tested  : 50

      Number problem segments: 0
      Pct problem segments   : 0.00


 PART 5:  CORRELATION OF SERIES BY SEGMENTS: The Island NRA                                        16:55  Wed 29 Oct 2008  Page   5
 -----------------------------------------------------------------------------------------------------------------------------------
 Correlations of  50-year dated segments, lagged  25 years
 Flags:  A = correlation under   .3281 but highest as dated;  B = correlation higher at other than dated position

 Seq Series  Time_span   1725 1750 1775 1800 1825 1850 1875 1900 1925 1950
                         1774 1799 1824 1849 1874 1899 1924 1949 1974 1999
 --- -------- ---------  ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----
   1 IRN1A    1895 1996                                 .84  .86  .88  .90
   2 IRN1B    1905 1996                                      .61  .88  .90
   3 IRN38A   1895 1996                                 .76  .76  .90  .96
   4 IRN65B   1903 1996                                      .69  .86  .92
   5 IRN67A   1889 1996                                 .82  .91  .95  .95
   6 IRN67B   1884 1996                                 .73  .88  .96  .96
   7 IRN78A   1891 1996                                 .88  .91  .93  .95
   8 IRN80A   1854 1996                            .64  .87  .88  .94  .93
   9 IRN80B   1879 1986                                 .86  .89  .91  .89
  10 IRN83A   1871 1996                            .89  .90  .84  .92  .95
  11 IRN83B   1841 1996                       .87  .88  .90  .87  .93  .95
  12 IRN84A   1898 1996                                 .86  .86  .96  .96
  13 IRN88B   1899 1996                                 .75  .78  .95  .96
  14 IRN106A  1831 1996                       .86  .88  .89  .89  .93  .94
  15 IRN106B  1825 1996                       .79  .89  .86  .85  .94  .94
  16 IRN108A  1850 1996                            .89  .92  .92  .94  .95
  17 IRN108B  1813 1996                  .87  .88  .90  .91  .92  .97  .96
  18 IRN109B  1788 1996             .55  .61  .62  .71  .85  .84  .92  .93
  19 IRN110A  1857 1996                            .88  .90  .89  .96  .85
  20 IRN110B  1809 1996                  .69  .75  .79  .88  .84  .90  .91
  21 IRN111A  1895 1996                                 .83  .84  .94  .90
  22 IRN111B  1902 1996                                      .74  .95  .95
  23 IRN112B  1740 1910   .96  .95  .88  .88  .82  .75  .66
  24 IRN112C  1733 1910   .96  .94  .89  .90  .84  .77  .67
  25 IRN113A  1883 1996                                 .92  .72  .84  .95
  26 IRN113B  1891 1996                                 .78  .70  .85  .94
  27 IRN114A  1869 1996                            .72  .74  .70  .90  .93
  28 IRN114B  1845 1996                       .89  .91  .82  .70  .87  .92
 Av segment correlation   .96  .94  .78  .79  .81  .82  .83  .82  .92  .93
 PART 7:  DESCRIPTIVE STATISTICS: The Island NRA                                                   16:55  Wed 29 Oct 2008  Page   6
 -----------------------------------------------------------------------------------------------------------------------------------

                                                Corr   //-------- Unfiltered --------\\  //---- Filtered -----\\
                           No.    No.    No.    with   Mean   Max     Std   Auto   Mean   Max     Std   Auto  AR
 Seq Series   Interval   Years  Segmt  Flags   Master  msmt   msmt    dev   corr   sens  value    dev   corr  ()
 --- -------- ---------  -----  -----  -----   ------ -----  -----  -----  -----  -----  -----  -----  -----  --
   1 IRN1A    1895 1996    102      4      0    .879   1.77   7.41  1.574   .516   .699   2.89   .587  -.005   1
   2 IRN1B    1905 1996     92      3      0    .763   1.89   8.10  1.588   .409   .753   2.61   .494  -.018   2
   3 IRN38A   1895 1996    102      4      0    .875   1.42   4.49  1.065   .309   .727   2.76   .567  -.041   1
   4 IRN65B   1903 1996     94      3      0    .825   1.66   4.05  1.060   .314   .613   2.67   .517   .001   2
   5 IRN67A   1889 1996    108      4      0    .906   1.69   4.45  1.158   .390   .673   2.58   .467   .013   2
   6 IRN67B   1884 1996    113      4      0    .865   1.62   4.58  1.179   .424   .697   2.76   .485   .021   1
   7 IRN78A   1891 1996    106      4      0    .926   1.84   5.16  1.205   .227   .715   2.57   .558   .031   1
   8 IRN80A   1854 1996    143      5      0    .838   1.51   5.96  1.169   .437   .642   3.11   .424  -.137   1
   9 IRN80B   1879 1986    108      4      0    .878   1.16   5.94   .883   .462   .637   2.66   .508   .011   1
  10 IRN83A   1871 1996    126      5      0    .920   1.04   3.28   .719   .394   .787   2.48   .372  -.019   1
  11 IRN83B   1841 1996    156      6      0    .916   1.00   3.12   .696   .416   .753   2.59   .365  -.012   1
  12 IRN84A   1898 1996     99      4      0    .926   1.06   2.90   .766   .451   .687   2.57   .364  -.048   2
  13 IRN88B   1899 1996     98      4      0    .889   1.78   4.92  1.261   .488   .682   2.51   .408  -.060   2
  14 IRN106A  1831 1996    166      6      0    .907   1.46   3.84   .799   .403   .553   2.62   .450  -.007   1
  15 IRN106B  1825 1996    172      6      0    .883   1.40   4.63   .839   .497   .540   2.60   .407  -.026   1
  16 IRN108A  1850 1996    147      5      0    .926   1.79   5.38  1.116   .574   .475   2.47   .340   .005   1
  17 IRN108B  1813 1996    184      7      0    .928   1.67   5.67  1.145   .597   .514   2.53   .340  -.007   3
  18 IRN109B  1788 1996    209      8      0    .752   1.56   3.99   .806   .318   .554   2.66   .356   .004   1
  19 IRN110A  1857 1996    140      5      0    .874   1.05   5.13   .820   .491   .682   2.71   .442  -.024   2
  20 IRN110B  1809 1996    188      7      0    .873    .76   3.66   .626   .452   .757   2.65   .368  -.057   1
  21 IRN111A  1895 1996    102      4      0    .877   1.52   4.02   .921   .409   .536   2.53   .476  -.033   1
  22 IRN111B  1902 1996     95      3      0    .864   1.75   5.34   .972   .293   .519   2.74   .456  -.048   1
  23 IRN112B  1740 1910    171      7      0    .842    .96   3.34   .573   .433   .548   2.73   .545  -.013   1
  24 IRN112C  1733 1910    178      7      0    .850   1.00   4.24   .723   .564   .532   2.73   .502  -.031   1
  25 IRN113A  1883 1996    114      4      0    .879   1.62   4.83  1.086   .486   .687   2.58   .488  -.048   1
  26 IRN113B  1891 1996    106      4      0    .872   1.63   6.51  1.197   .525   .689   2.57   .461  -.014   2
  27 IRN114A  1869 1996    128      5      0    .862   1.57   3.64   .710   .318   .454   2.55   .379  -.025   1
  28 IRN114B  1845 1996    152      6      0    .864   1.66   3.77   .903   .559   .479   2.50   .350   .009   1
 --- -------- ---------  -----  -----  -----   ------ -----  -----  -----  -----  -----  -----  -----  -----  --
 Total or mean:           3699    138      0    .872   1.42   8.10   .948   .441   .619   3.11   .436  -.021
