Ankhny Khoton, Mongolia - mong016
Additional Site Information
Gordon Jacoby, Rosanne D'Arrigo, Brendan Buckley, Nicole Davi
Neil Pederson, and Baatarbileg Nachin
Purpose of Collection:
Climatology - precipitation analysis
Reference:
Cook, E.R., K.J. Anchukaitis, B.M. Buckley, R.D. D'Arrigo,
G.C. Jacoby, and W.E. Wright. 2010.
Asian Monsoon Failure and Megadrought During the Last Millennium.
Science, Vol. 328, Issue 5977, pp.486-489, 23 April 2010.
DOI: 10.1126/science.1185188
COFECHA output:
Chronology file name : MONG016.CRN
Measurement file name : MONG016.RWL
Date checked : 28OCT11
Checked by : B. Bauer
Beginning year : 1469
Ending year : 2004
Principal investigators: G. Jacoby R. D'Arrigo B. Buckley N. Davi N. Pederson B. Nachin
Site name : Ankhny Khoton
Site location : Mongolia
Species information : LASI SIBERIAN LARCH
Latitude : 4836
Longitude : 8822
Elevation : M
Series intercorrelation: 0.628
Avg mean sensitivity : 0.270
Avg standard deviation : 0.296
Avg autocorrelation : 0.740
Number dated series : 38
Segment length tested : 50
Number problem segments: 16
Pct problem segments : 3.28
PART 5: CORRELATION OF SERIES BY SEGMENTS: Ankhny Khoton 17:12 Fri 28 Oct 2011 Page 5
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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 1475 1500 1525 1550 1575 1600 1625 1650 1675 1700 1725 1750 1775 1800 1825 1850 1875 1900 1925 1950
1524 1549 1574 1599 1624 1649 1674 1699 1724 1749 1774 1799 1824 1849 1874 1899 1924 1949 1974 1999
--- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----
1 AX04w 1469 1986 .36 .38 .41 .38 .51 .66 .77 .82 .73 .73 .81 .67 .52 .60 .65 .70 .63 .64 .65 .63
2 AX17nw 1483 2004 .36 .37 .30A .34 .56 .71 .72 .77 .72 .52 .58 .71 .74 .79 .63 .71 .86 .71 .64 .56
3 AXb01s 1748 2004 .73 .77 .65 .53 .74 .85 .82 .75 .73 .68
4 AX02s 1664 2004 .82 .77 .72 .69 .66 .49 .48 .65 .74 .77 .73 .66 .69
5 AXa03 1690 1946 .62 .60 .75 .73 .67 .52 .28A .27B .58 .51
6 AXa04se 1708 2004 .76 .78 .74 .65 .53 .59 .75 .76 .72 .73 .65
7 AX04n 1544 2004 .60 .57 .70 .78 .77 .78 .86 .86 .79 .68 .59 .69 .67 .56 .67 .60 .54 .56
8 AX04nw 1608 2004 .61 .70 .80 .80 .77 .77 .77 .72 .68 .70 .61 .60 .74 .74 .43
9 AX05e 1681 2004 .54 .32A .07B .56 .60 .19B .26B .75 .72 .68 .75 .70
10 AXa05e 1587 2004 .68 .63 .50 .58 .73 .72 .59 .67 .64 .37 .36 .65 .57 .48 .60 .48
11 AXa05w 1587 1893 .77 .56 .35 .46 .59 .57 .47 .48 .52 .44 .43 .52
12 AXa06nw 1550 2004 .40 .69 .63 .53 .59 .75 .75 .69 .66 .45 .46 .50 .49 .58 .47 .43 .59
13 AXa06se 1565 2004 .63 .73 .74 .78 .86 .81 .78 .80 .77 .64 .63 .55 .56 .63 .56 .61 .65
14 AX06ne 1745 2004 .56 .62 .44 .31B .61 .78 .77 .72 .69 .71
15 AX07w 1671 2004 .78 .78 .76 .71 .70 .66 .37 .36 .70 .67 .66 .58 .53
16 AX08nw 1694 2004 .76 .82 .74 .77 .73 .50 .59 .87 .84 .73 .59 .64
17 AX10nw 1674 1922 .60 .61 .63 .67 .69 .70 .50 .33 .54 .52
18 AX15se 1742 2004 .58 .69 .71 .54 .69 .71 .65 .66 .73 .81
19 AX16se 1584 2004 .49 .57 .65 .74 .71 .76 .83 .79 .61 .62 .76 .80 .86 .83 .85 .64
20 AX16sw 1639 2004 .74 .71 .72 .71 .73 .58 .44 .61 .63 .68 .71 .64 .73 .74
21 AX17se 1595 2004 .65 .66 .67 .76 .68 .66 .78 .80 .62 .67 .69 .76 .80 .78 .80 .77
22 AX18sw 1800 2004 .59 .66 .84 .79 .72 .70 .68
23 AX19sw 1764 2004 .56 .45 .48 .71 .78 .80 .77 .66 .51
24 AX20se 1669 2004 .59 .64 .69 .73 .70 .54 .52 .65 .76 .85 .74 .67 .52
25 AX20sw 1692 2004 .61 .67 .74 .71 .77 .62 .63 .80 .83 .69 .71 .72
26 AX21s 1787 2004 .65 .57 .48 .66 .50 .33A .53 .54
27 AX21w 1765 2004 .60 .62 .33 .28A .49 .57 .66 .75 .69
28 AX22n 1800 2004 .67 .64 .83 .80 .61 .52 .50
29 AX22s 1770 2004 .81 .79 .69 .54 .62 .68 .62 .47 .28B
30 AX23e 1684 2004 .78 .78 .70 .63 .48 .47 .65 .75 .65 .55 .65 .75
31 AX23n 1655 2004 .67 .83 .79 .39 .29B .65 .59 .57 .75 .79 .62 .55 .71
32 AX24n 1797 2004 .40 .42 .50 .83 .77 .67 .77 .74
33 AX24s 1756 2004 .67 .58 .50 .51 .51 .61 .70 .78 .62
34 AX25s 1736 2004 .43 .66 .67 .54 .47 .64 .50B .59 .72 .70
35 AX26s 1797 2004 .53 .58 .65 .75 .67 .60 .65 .70
36 AX27n 1678 2004 .60 .66 .67 .62 .48 .54 .68 .70 .76 .69 .63 .77
37 AX27s 1760 2004 .62 .65 .69 .76 .77 .68 .25A .26A .66
38 AX28 1804 2004 .58 .50 .48 .63 .52 .39 .46
Av segment correlation .36 .37 .44 .47 .64 .65 .65 .71 .71 .70 .66 .67 .60 .54 .57 .68 .70 .64 .64 .63
PART 5: CORRELATION OF SERIES BY SEGMENTS: Ankhny Khoton 17:12 Fri 28 Oct 2011 Page 6
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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 1975
2024
--- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----
2 AX17nw 1483 2004 .57
3 AXb01s 1748 2004 .67
4 AX02s 1664 2004 .69
6 AXa04se 1708 2004 .63
7 AX04n 1544 2004 .59
8 AX04nw 1608 2004 .37
9 AX05e 1681 2004 .63
10 AXa05e 1587 2004 .47
12 AXa06nw 1550 2004 .53
13 AXa06se 1565 2004 .69
14 AX06ne 1745 2004 .71
15 AX07w 1671 2004 .58
16 AX08nw 1694 2004 .64
18 AX15se 1742 2004 .81
19 AX16se 1584 2004 .63
20 AX16sw 1639 2004 .76
21 AX17se 1595 2004 .76
22 AX18sw 1800 2004 .69
23 AX19sw 1764 2004 .54
24 AX20se 1669 2004 .52
25 AX20sw 1692 2004 .70
26 AX21s 1787 2004 .53
27 AX21w 1765 2004 .70
28 AX22n 1800 2004 .50
29 AX22s 1770 2004 .32A
30 AX23e 1684 2004 .73
31 AX23n 1655 2004 .72
32 AX24n 1797 2004 .72
33 AX24s 1756 2004 .60
34 AX25s 1736 2004 .70
35 AX26s 1797 2004 .67
36 AX27n 1678 2004 .79
37 AX27s 1760 2004 .68
38 AX28 1804 2004 .42
Av segment correlation .63
PART 7: DESCRIPTIVE STATISTICS: Ankhny Khoton 17:12 Fri 28 Oct 2011 Page 10
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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 AX04w 1469 1986 518 20 0 .580 .59 1.88 .272 .705 .280 2.69 .312 .022 2
2 AX17nw 1483 2004 522 21 1 .590 .51 1.74 .280 .727 .335 2.64 .415 .000 3
3 AXb01s 1748 2004 257 11 0 .710 .42 1.00 .182 .543 .336 2.57 .339 -.005 2
4 AX02s 1664 2004 341 14 0 .677 .42 1.18 .173 .665 .247 2.89 .335 .032 1
5 AXa03 1690 1946 257 10 2 .509 .47 1.17 .218 .810 .224 2.59 .348 -.041 1
6 AXa04se 1708 2004 297 12 0 .694 .66 2.41 .420 .833 .289 2.52 .304 -.006 1
7 AX04n 1544 2004 461 19 0 .684 .51 1.67 .258 .769 .261 2.78 .423 .037 1
8 AX04nw 1608 2004 397 16 0 .662 .65 1.77 .221 .565 .241 2.67 .366 .021 1
9 AX05e 1681 2004 324 13 4 .514 .51 1.91 .327 .799 .296 2.70 .304 .009 1
10 AXa05e 1587 2004 418 17 0 .576 .33 1.79 .224 .842 .303 2.73 .326 -.015 2
11 AXa05w 1587 1893 307 12 0 .515 .39 1.20 .271 .860 .317 2.64 .409 .013 1
12 AXa06nw 1550 2004 455 18 0 .564 .61 2.01 .339 .807 .269 2.53 .273 -.048 7
13 AXa06se 1565 2004 440 18 0 .685 .40 1.50 .176 .629 .290 2.63 .320 -.032 1
14 AX06ne 1745 2004 260 11 1 .628 1.10 3.46 .537 .841 .223 2.56 .358 -.019 2
15 AX07w 1671 2004 334 14 0 .646 .65 3.83 .493 .826 .300 2.54 .351 -.007 2
16 AX08nw 1694 2004 311 13 0 .709 .49 1.39 .274 .853 .259 2.63 .420 -.030 3
17 AX10nw 1674 1922 249 10 0 .560 .21 .45 .079 .427 .318 2.67 .416 -.030 1
18 AX15se 1742 2004 263 11 0 .664 .84 2.38 .413 .770 .251 2.60 .333 -.054 2
19 AX16se 1584 2004 421 17 0 .696 .26 .68 .131 .628 .387 2.61 .414 -.004 4
20 AX16sw 1639 2004 366 15 0 .666 .30 1.05 .179 .779 .322 2.58 .357 .013 3
21 AX17se 1595 2004 410 17 0 .710 .59 1.24 .251 .684 .306 2.63 .397 .004 1
22 AX18sw 1800 2004 205 8 0 .702 1.17 4.55 .838 .868 .264 2.73 .377 -.016 1
23 AX19sw 1764 2004 241 10 0 .654 .76 2.72 .391 .770 .255 2.45 .341 .015 1
24 AX20se 1669 2004 336 14 0 .653 .49 1.13 .183 .783 .195 2.50 .270 .021 1
25 AX20sw 1692 2004 313 13 0 .688 .57 1.20 .197 .712 .214 2.60 .318 .007 1
26 AX21s 1787 2004 218 9 1 .521 .72 1.63 .331 .732 .250 2.56 .337 -.032 3
27 AX21w 1765 2004 240 10 1 .557 .73 3.15 .418 .797 .223 2.88 .415 -.050 1
28 AX22n 1800 2004 205 8 0 .636 .63 1.45 .265 .770 .227 2.64 .374 .020 1
29 AX22s 1770 2004 235 10 2 .592 .62 3.32 .347 .570 .312 2.87 .382 -.033 2
30 AX23e 1684 2004 321 13 0 .661 .95 2.55 .423 .801 .207 2.51 .309 -.005 3
31 AX23n 1655 2004 350 14 1 .646 .87 2.96 .406 .780 .220 2.62 .365 .004 1
32 AX24n 1797 2004 208 9 0 .656 .73 1.46 .265 .737 .214 2.65 .375 .060 1
33 AX24s 1756 2004 249 10 0 .605 .41 1.13 .196 .720 .299 2.62 .383 .035 2
34 AX25s 1736 2004 269 11 1 .595 .98 2.61 .478 .851 .228 2.53 .346 -.010 3
35 AX26s 1797 2004 208 9 0 .618 .80 1.73 .275 .645 .248 2.40 .264 -.003 2
36 AX27n 1678 2004 327 13 0 .646 .63 1.60 .253 .755 .246 2.72 .360 .055 1
37 AX27s 1760 2004 245 10 2 .602 .38 1.09 .187 .759 .239 2.60 .365 -.014 1
38 AX28 1804 2004 201 8 0 .467 1.61 3.70 .593 .758 .193 2.65 .374 -.037 2
--- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- --
Total or mean: 11979 488 16 .628 .60 4.55 .296 .740 .270 2.89 .354 -.002