Grassgasse 10 Regensburg Historical Timbers - germ081 Additional Site Information R.J.S. Wilson Purpose of Collection: Hydroclimatic reconstructions References: Wilson, R.J.S. and W. Elling. 2004. Temporal instabilities of tree-growth/climate response in the Lower Bavarian Forest Region: Implications for dendroclimatic reconstruction. Trees: Structure and Function, 18 (1): 19-28. Wilson, R.J.S., J. Esper, and B.H. Luckman. 2004. Utilising Historical Tree-Ring Data for Dendroclimatology: A Case study from the Bavarian Forest, Germany. Dendrochronologia. 21 (2): 53-68. Wilson, R.J.S., B.H. Luckman, and J. Esper. 2005. A 500-Year Dendroclimatic Reconstruction of Spring/Summer Precipitation from the Lower Bavarian Forest Region, Germany. International Journal of Climatology, 25: 611-630. Notes: Bavarian Forest Region Historical Timbers COFECHA output: Chronology file name : GERM081.CRN Measurement file name : GERM081.RWL Date checked : 19OCT10 Checked by : B. Bauer Beginning year : 1703 Ending year : 1807 Principal investigators: Rob Wilson Site name : Grassgasse 10 Regensburg Historical Timbers Site location : Germany Species information : ABAL SILVER FIR Latitude : 4901 Longitude : 01206 Elevation : M Series intercorrelation: 0.768 Avg mean sensitivity : 0.255 Avg standard deviation : 1.221 Avg autocorrelation : 0.868 Number dated series : 3 Segment length tested : 50 Number problem segments: 0 Pct problem segments : 0.00 PART 5: CORRELATION OF SERIES BY SEGMENTS: Grassgasse 10 17:22 Tue 19 Oct 2010 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 1774 1799 1824 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 GRA01A 1749 1807 .77 .75 .76 2 GRA01B 1747 1807 .83 .83 .85 3 GRA13A 1703 1792 .70 Av segment correlation .76 .79 .80 PART 7: DESCRIPTIVE STATISTICS: Grassgasse 10 17:22 Tue 19 Oct 2010 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 GRA01A 1749 1807 59 3 0 .766 2.34 6.01 1.435 .850 .263 2.51 .443 -.007 1 2 GRA01B 1747 1807 61 3 0 .823 1.94 4.98 1.270 .843 .310 2.73 .594 .030 1 3 GRA13A 1703 1792 90 1 0 .698 1.60 4.43 1.048 .896 .213 2.67 .465 -.050 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 210 7 0 .768 1.90 6.01 1.221 .868 .255 2.73 .496 -.015