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. Author manuscript; available in PMC: 2017 Sep 28.
Published in final edited form as: Atmos Meas Tech. 2016 Sep 8;9(9):4447–4457. doi: 10.5194/amt-9-4447-2016

Table 4.

Changepoint dates and their confidence levels, MLS version 4.2.

Lindenberg Boulder San José Lauder

Pressure Changepoint CLa Changepoint CL Changepoint CL Changepoint CL
(hPa) (year) (%) (year) (%) (year) (%) (year) (%)
26 2011.4 96 2009.1 >99 2008.9 69 2010.6 > 99
32 2011.4 99 2009.0 >99 2010.8 39 2010.7 > 99
38 2011.3 >99 2010.0 >99 2010.8 76 2010.7 > 99
46 2011.7 92 2009.6 >99 2009.5 86 2010.6 > 99
56 2011.6 87 2009.3 >99 2010.1 96 2010.6 > 99
68 2011.4 >99 2009.5 >99 2010.6 > 99 2011.1 > 99
83 2011.4 83 2010.2 >99 2010.9 > 99 2010.7 97
100 2011.4 73 2009.1 >99 2009.1 78 2010.7 > 99
Meanb 2011.4 2009.5 2010.1 2010.7
SD 0.1 0.4 0.8 0.2
a

Confidence levels for the listed changepoint dates, with >99 indicating a value between 99 and 100%

b

Mean and standard deviation of the listed changepoint dates for each site.