Bretby Hall, Bretby, Derbyshire, United Kingdom - BRIT077 Additional Site Information Robert E. Howard R.R. Laxton Cliff D. Litton NOTES: Ring width series for samples in site sequence BRTASQ02 which spans period AD 1685-1805. Reference: Howard R E, Laxton R R, & Litton C D. 1999. Tree-ring analysis of timbers from Bretby Hall, Bretby, Derbyshire. Ancient Monuments Laboratory Report 43/1999 Historic England website, Research results: https://research.historicengland.org.uk/redirect.aspx?id=4872|TREE-RING%20ANALYSIS%20OF%20TIMBERS%20FROM%20BRETBY%20HALL,%20BRETBY,%20DERBYSHIRE COFECHA output: Chronology file name : BRIT077.CRN Measurement file name : BRIT077.RWL Date checked : 15NOV19 Checked by : B. Bauer Beginning year : 1685 Ending year : 1805 Principal investigators: Robert E. Howard R.R. Laxton Cliff D. Litton Site name : Bretby Hall Site location : UK Species information : QUSP OAK Latitude : 5248 Longitude : -00133 Elevation : M Series intercorrelation: 0.605 Avg mean sensitivity : 0.249 Avg standard deviation : 0.806 Avg autocorrelation : 0.736 Number dated series : 16 Segment length tested : 50 Number problem segments: 0 Pct problem segments : 0.00 PART 5: CORRELATION OF SERIES BY SEGMENTS: Bretby Hall 11:11 Fri 15 Nov 2019 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 1675 1700 1725 1750 1775 1724 1749 1774 1799 1824 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 BRTA17A 1711 1804 .63 .67 .72 .54 2 BRTA17B 1711 1805 .64 .67 .77 .68 3 BRTA18A 1716 1796 .66 .71 .68 4 BRTA18B 1716 1796 .63 .70 .68 5 BRTA19A 1709 1800 .63 .62 .68 .66 6 BRTA19B 1709 1800 .68 .69 .59 .56 7 BRTA20A 1746 1799 .63 .56 8 BRTA20B 1746 1799 .58 .48 9 BRTA21A 1709 1803 .73 .64 .53 .49 10 BRTA21B 1709 1803 .67 .63 .59 .56 11 BRTA22A 1721 1801 .61 .63 .60 .56 12 BRTA22B 1721 1801 .66 .67 .62 .60 13 BRTA23A 1685 1788 .73 .51 .50 .58 14 BRTA23B 1685 1788 .72 .57 .51 .58 15 BRTA24A 1696 1789 .62 .60 .58 .50 16 BRTA24B 1696 1789 .65 .64 .68 .57 Av segment correlation .68 .63 .63 .61 .58 PART 7: DESCRIPTIVE STATISTICS: Bretby Hall 11:11 Fri 15 Nov 2019 Page 7 ----------------------------------------------------------------------------------------------------------------------------------- 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 BRTA17A 1711 1804 94 4 0 .578 1.80 6.15 1.087 .771 .266 2.70 .512 -.074 2 2 BRTA17B 1711 1805 95 4 0 .663 1.77 6.22 1.070 .792 .258 2.71 .517 -.067 2 3 BRTA18A 1716 1796 81 3 0 .649 1.87 5.86 1.197 .780 .299 2.84 .548 -.006 2 4 BRTA18B 1716 1796 81 3 0 .624 1.85 5.82 1.189 .775 .307 2.79 .514 -.029 2 5 BRTA19A 1709 1800 92 4 0 .633 1.46 4.24 .764 .798 .270 2.59 .381 -.054 2 6 BRTA19B 1709 1800 92 4 0 .610 1.44 4.23 .746 .820 .259 2.57 .398 -.076 3 7 BRTA20A 1746 1799 54 2 0 .551 2.64 5.13 .862 .612 .226 2.78 .592 .137 1 8 BRTA20B 1746 1799 54 2 0 .467 2.62 5.44 .874 .613 .220 2.85 .616 -.033 2 9 BRTA21A 1709 1803 95 4 0 .607 1.52 3.53 .615 .677 .222 2.80 .538 .008 1 10 BRTA21B 1709 1803 95 4 0 .613 1.51 3.37 .594 .704 .228 2.84 .607 .028 1 11 BRTA22A 1721 1801 81 4 0 .515 2.06 3.77 .644 .606 .229 2.77 .614 .033 1 12 BRTA22B 1721 1801 81 4 0 .565 2.06 3.72 .644 .606 .223 2.67 .524 .041 1 13 BRTA23A 1685 1788 104 4 0 .665 1.21 2.67 .508 .740 .244 2.67 .395 -.023 2 14 BRTA23B 1685 1788 104 4 0 .661 1.22 2.64 .515 .744 .247 2.75 .506 -.010 2 15 BRTA24A 1696 1789 94 4 0 .563 1.89 4.23 .883 .802 .233 2.68 .415 .004 2 16 BRTA24B 1696 1789 94 4 0 .608 1.88 4.05 .883 .804 .237 2.71 .425 .045 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 1391 58 0 .605 1.74 6.22 .806 .736 .249 2.85 .499 -.009