"------------------------------------------------------------------------------------------ " " Daily average atmospheric C13 concentrations (per-mil) derived from flask air samples " " For Baja California Sur, Mexico: Latitude 23.3°N Longitude 110.2°W Elevation 4m " " " " Source: R. F. Keeling, S. C. Piper, A. F. Bollenbacher and S. J. Walker " " Scripps CO2 Program ( http://scrippsco2.ucsd.edu ) " " Scripps Institution of Oceanography (SIO) " " University of California " " La Jolla, California USA 92093-0244 " " " " Status of data and correspondence: " " " " These data are subject to revision based on recalibration of standard gases. Questions " " about the data should be directed to Dr. Ralph Keeling (rkeeling@ucsd.edu) and " " and Dr. Stephen Piper (scpiper@popmail.ucsd.edu), Scripps CO2 Program. " " " "Flask data in this file last updated 07-Oct-2010 " " " "-------------------------------------------------------------------------------------------" " " " Please cite as: " " " " C. D. Keeling, S. C. Piper, R. B. Bacastow, M. Wahlen, T. P. Whorf, M. Heimann, and " " H. A. Meijer, Exchanges of atmospheric CO2 and 13CO2 with the terrestrial biosphere and " " oceans from 1978 to 2000. I. Global aspects, SIO Reference Series, No. 01-06, Scripps " " Institution of Oceanography, San Diego, 88 pages, 2001. " " " " If it is necessary to cite a peer-reviewed article, please cite as: " " " " C. D. Keeling, S. C. Piper, R. B. Bacastow, M. Wahlen, T. P. Whorf, M. Heimann, and " " H. A. Meijer, Atmospheric CO2 and 13CO2 exchange with the terrestrial biosphere and " " oceans from 1978 to 2000: observations and carbon cycle implications, pages 83-113, " " in 'A History of Atmospheric CO2 and its effects on Plants, Animals, and Ecosystems', " " editors, Ehleringer, J.R., T. E. Cerling, M. D. Dearing, Springer Verlag, " " New York, 2005. " " " "-------------------------------------------------------------------------------------------" " Sampling dates are reported in 3 formats: Year, Month, Day, Hour and Minute " " M$Excel spreadsheet date format " " Decimal year and fractional year " " N - Number of flasks used in daily average " " " " FLG - Flags " " -1 - Accepted Value retained although individual measurements deviated " " by more than selected tolerance " " 0 - Accepted Continuous Value " " 1 - Accepted Value " " 2 - Rejected unacceptably large flask-analyzer differences associated " " with night sampling (used only at MLO between Dec 1962 and Sep 1968) " " 3 - Rejected " " 4 - Rejected " " 5 - Rejected Daily average deviates from fit by more than 3 standard deviations " " 6 - Rejected to improve local distribution of data such as too many " " data of generally poor quality (used only at two stations: " " KUM Aug 1979 - Jun 1980 and LJO Apr 1979 - Sep 1985) " " 7 - Rejected Unsteady air at site (La Jolla only) " " 8 - Rejected manually (see input/flag_flasks.csv) " " " " Cx - C13 value (per-mil) " " " " Sample,Sample, Excel, Sample, N,FLG, Cx " " Date, Time, Date, Date, " 1997-01-21, 00:00, 35451.00, 1997.055, 6, 1, -8.1170 1997-02-08, 00:00, 35469.00, 1997.104, 1, 1, -8.0600 1997-02-22, 00:00, 35483.00, 1997.142, 1, 1, -8.1060 1997-03-07, 00:00, 35496.00, 1997.178, 1, 1, -8.2020 1997-03-22, 00:00, 35511.00, 1997.219, 1, 5, -7.4990 1997-04-05, 00:00, 35525.00, 1997.258, 1, 1, -8.2780 1997-04-19, 00:00, 35539.00, 1997.296, 1, 1, -8.1710 1997-05-03, 00:00, 35553.00, 1997.334, 1, 1, -8.3050 1997-05-17, 00:00, 35567.00, 1997.373, 1, 1, -8.1740 1997-05-31, 00:00, 35581.00, 1997.411, 1, 1, -8.1670 1997-06-14, 00:00, 35595.00, 1997.449, 1, 1, -8.1130 1997-06-27, 00:00, 35608.00, 1997.485, 1, 1, -8.0110 1997-08-09, 00:00, 35651.00, 1997.603, 1, 1, -7.8270 1997-08-23, 00:00, 35665.00, 1997.641, 1, 1, -7.8440 1997-09-20, 00:00, 35693.00, 1997.718, 1, 1, -7.8560 1997-10-04, 00:00, 35707.00, 1997.756, 1, 1, -7.8380 1997-10-18, 00:00, 35721.00, 1997.795, 1, 1, -7.8810 1997-11-01, 00:00, 35735.00, 1997.833, 1, 1, -8.0430 1997-11-15, 00:00, 35749.00, 1997.871, 1, 1, -7.8940 1997-11-29, 00:00, 35763.00, 1997.910, 3, 1, -8.0157 1997-12-13, 00:00, 35777.00, 1997.948, 3, 1, -8.0827 1998-01-24, 00:00, 35819.00, 1998.063, 3, 1, -8.0770 1998-02-07, 00:00, 35833.00, 1998.101, 2, 1, -8.1930 1998-02-21, 00:00, 35847.00, 1998.140, 2, 1, -8.2070 1998-03-07, 00:00, 35861.00, 1998.178, 2, 1, -8.1970 1998-03-21, 00:00, 35875.00, 1998.216, 2, 1, -8.1920 1998-04-04, 00:00, 35889.00, 1998.255, 2, 1, -8.2775 1998-04-18, 00:00, 35903.00, 1998.293, 2, 1, -8.3175 1998-05-02, 00:00, 35917.00, 1998.332, 2, 1, -8.2095 1998-05-16, 00:00, 35931.00, 1998.370, 2, 1, -8.3545 1998-06-27, 00:00, 35973.00, 1998.485, 2, 1, -8.1435 1998-07-11, 00:00, 35987.00, 1998.523, 2, 1, -7.9675 1998-07-25, 00:00, 36001.00, 1998.562, 2, 1, -8.0335 1998-08-09, 00:00, 36016.00, 1998.603, 2, 1, -8.0250 1998-08-22, 00:00, 36029.00, 1998.638, 2, 1, -7.9030 1998-09-05, 00:00, 36043.00, 1998.677, 1, 5, -8.1230 1998-09-19, 00:00, 36057.00, 1998.715, 1, 1, -7.8220 1998-10-03, 00:00, 36071.00, 1998.753, 1, 1, -7.9540 1998-10-17, 00:00, 36085.00, 1998.792, 2, 1, -8.0260 1998-11-14, 00:00, 36113.00, 1998.868, 1, 1, -8.1020 1998-11-28, 00:00, 36127.00, 1998.907, 1, 1, -8.1320 1998-12-12, 00:00, 36141.00, 1998.945, 1, 1, -8.1130 1999-01-27, 00:00, 36187.00, 1999.071, 1, 1, -8.2860 1999-02-07, 00:00, 36198.00, 1999.101, 1, 1, -8.2120 1999-02-20, 00:00, 36211.00, 1999.137, 1, 1, -8.3390 1999-03-06, 00:00, 36225.00, 1999.175, 1, 1, -8.2940 1999-03-20, 00:00, 36239.00, 1999.214, 1, 1, -8.3200 1999-04-03, 00:00, 36253.00, 1999.252, 1, 1, -8.4060 1999-04-17, 00:00, 36267.00, 1999.290, 1, 1, -8.3980 1999-05-01, 00:00, 36281.00, 1999.329, 1, 1, -8.3130 1999-05-15, 00:00, 36295.00, 1999.367, 1, 1, -8.3340 1999-05-29, 00:00, 36309.00, 1999.405, 1, 1, -8.2830 1999-06-12, 00:00, 36323.00, 1999.444, 1, 1, -8.2580 1999-06-26, 00:00, 36337.00, 1999.482, 1, 1, -8.0650 1999-07-10, 00:00, 36351.00, 1999.521, 1, 1, -8.0000 1999-07-26, 00:00, 36367.00, 1999.564, 1, 1, -7.9710 1999-08-07, 00:00, 36379.00, 1999.597, 1, 1, -7.9550 1999-08-22, 00:00, 36394.00, 1999.638, 1, 5, -8.1140 1999-09-18, 00:00, 36421.00, 1999.712, 1, 1, -7.9350 1999-10-02, 00:00, 36435.00, 1999.751, 1, 1, -7.9460 1999-10-16, 00:00, 36449.00, 1999.789, 1, 1, -7.9750 1999-10-30, 00:00, 36463.00, 1999.827, 1, 1, -7.9440 1999-11-27, 00:00, 36491.00, 1999.904, 1, 1, -8.0750 1999-12-11, 00:00, 36505.00, 1999.942, 1, 1, -8.1490 1999-12-27, 00:00, 36521.00, 1999.986, 1, 1, -8.2080 2000-01-08, 00:00, 36533.00, 2000.019, 1, 1, -8.2170 2000-01-22, 00:00, 36547.00, 2000.057, 1, 5, -8.0350 2000-02-05, 00:00, 36561.00, 2000.096, 1, 1, -8.2490 2000-02-19, 00:00, 36575.00, 2000.134, 1, 1, -8.2240 2000-03-04, 00:00, 36589.00, 2000.172, 1, 1, -8.3030 2000-03-18, 00:00, 36603.00, 2000.210, 1, 1, -8.2570 2000-04-01, 00:00, 36617.00, 2000.249, 1, 1, -8.3000 2000-04-15, 00:00, 36631.00, 2000.287, 1, 1, -8.2910 2000-05-06, 00:00, 36652.00, 2000.344, 1, 1, -8.3000 2000-05-27, 00:00, 36673.00, 2000.402, 1, 1, -8.3260 2000-06-10, 00:00, 36687.00, 2000.440, 1, 1, -8.2040 2000-06-24, 00:00, 36701.00, 2000.478, 1, 1, -8.1410 2000-07-08, 00:00, 36715.00, 2000.516, 1, 1, -7.9810 2000-07-22, 00:00, 36729.00, 2000.555, 1, 1, -8.0750 2000-08-05, 00:00, 36743.00, 2000.593, 1, 1, -8.0660 2000-08-19, 00:00, 36757.00, 2000.631, 1, 1, -7.9390 2000-09-16, 00:00, 36785.00, 2000.708, 1, 1, -7.9260 2000-10-14, 00:00, 36813.00, 2000.784, 1, 1, -7.9740 2000-10-28, 00:00, 36827.00, 2000.822, 1, 1, -8.0050 2000-11-11, 00:00, 36841.00, 2000.861, 1, 1, -8.0800 2000-11-25, 00:00, 36855.00, 2000.899, 1, 1, -8.1680 2000-12-09, 00:00, 36869.00, 2000.937, 1, 1, -8.2140 2000-12-23, 00:00, 36883.00, 2000.975, 1, 1, -8.1940 2001-01-07, 00:00, 36898.00, 2001.016, 1, 1, -8.1680 2001-01-20, 00:00, 36911.00, 2001.052, 1, 1, -8.2850 2001-02-17, 00:00, 36939.00, 2001.129, 1, 1, -8.2860 2001-03-04, 00:00, 36954.00, 2001.170, 1, 1, -8.3830 2001-03-17, 00:00, 36967.00, 2001.205, 1, 1, -8.2980 2001-03-31, 00:00, 36981.00, 2001.244, 1, 1, -8.2530 2001-04-14, 00:00, 36995.00, 2001.282, 1, 1, -8.3130 2001-04-28, 00:00, 37009.00, 2001.321, 1, 1, -8.2580 2001-05-12, 00:00, 37023.00, 2001.359, 1, 1, -8.3510 2001-05-26, 00:00, 37037.00, 2001.397, 1, 1, -8.2760 2001-06-09, 00:00, 37051.00, 2001.436, 1, 1, -8.2150 2001-06-24, 00:00, 37066.00, 2001.477, 1, 1, -8.1850 2001-07-14, 00:00, 37086.00, 2001.532, 1, 1, -8.0960 2001-07-28, 00:00, 37100.00, 2001.570, 1, 1, -8.0170 2001-08-12, 00:00, 37115.00, 2001.611, 1, 1, -7.8990 2001-08-25, 00:00, 37128.00, 2001.647, 1, 1, -7.9030 2001-09-08, 00:00, 37142.00, 2001.685, 1, 5, -7.7400 2001-09-22, 00:00, 37156.00, 2001.723, 1, 1, -7.9240 2001-10-06, 00:00, 37170.00, 2001.762, 1, 1, -8.0590 2001-10-20, 00:00, 37184.00, 2001.800, 1, 1, -8.1360 2001-11-17, 00:00, 37212.00, 2001.877, 1, 1, -8.1180 2001-12-01, 00:00, 37226.00, 2001.915, 1, 1, -8.0510 2001-12-15, 00:00, 37240.00, 2001.953, 1, 1, -8.2440 2001-12-29, 00:00, 37254.00, 2001.992, 1, 1, -8.1860 2002-01-12, 00:00, 37268.00, 2002.030, 1, 1, -8.1400 2002-01-26, 00:00, 37282.00, 2002.068, 1, 1, -8.2490 2002-03-02, 00:00, 37317.00, 2002.164, 1, 1, -8.3070 2002-03-16, 00:00, 37331.00, 2002.203, 1, 1, -8.2990 2002-04-13, 00:00, 37359.00, 2002.279, 1, 1, -8.2730 2002-05-18, 00:00, 37394.00, 2002.375, 1, 1, -8.3520 2002-06-01, 00:00, 37408.00, 2002.414, 1, 1, -8.2720 2002-06-15, 00:00, 37422.00, 2002.452, 1, 1, -8.2380 2002-06-29, 00:00, 37436.00, 2002.490, 1, 1, -8.0780 2002-07-13, 00:00, 37450.00, 2002.529, 1, 1, -8.0400 2002-07-27, 00:00, 37464.00, 2002.567, 1, 1, -7.9410 2002-08-10, 00:00, 37478.00, 2002.605, 1, 1, -7.9550 2002-08-29, 00:00, 37497.00, 2002.658, 1, 1, -7.8910 2002-09-14, 00:00, 37513.00, 2002.701, 1, 1, -7.9690 2002-09-28, 00:00, 37527.00, 2002.740, 1, 1, -8.0310 2002-10-26, 00:00, 37555.00, 2002.816, 1, 1, -8.0500 2002-11-11, 00:00, 37571.00, 2002.860, 1, 1, -8.0960 2002-11-23, 00:00, 37583.00, 2002.893, 1, 1, -8.1780 2002-12-07, 00:00, 37597.00, 2002.932, 1, 1, -8.1980 2002-12-23, 00:00, 37613.00, 2002.975, 1, 1, -8.2560 2003-01-11, 00:00, 37632.00, 2003.027, 1, 1, -8.1670 2003-01-25, 00:00, 37646.00, 2003.066, 1, 1, -8.2540 2003-02-08, 00:00, 37660.00, 2003.104, 1, 1, -8.2480 2003-02-22, 00:00, 37674.00, 2003.142, 1, 1, -8.3130 2003-04-26, 00:00, 37737.00, 2003.315, 1, 1, -8.4490 2003-05-10, 00:00, 37751.00, 2003.353, 1, 1, -8.5370 2003-05-24, 00:00, 37765.00, 2003.392, 1, 1, -8.4420 2003-06-21, 00:00, 37793.00, 2003.468, 1, 1, -8.2930 2003-07-05, 00:00, 37807.00, 2003.507, 1, 1, -8.2910 2003-07-19, 00:00, 37821.00, 2003.545, 1, 1, -8.2790 2003-08-02, 00:00, 37835.00, 2003.584, 1, 1, -8.1480 2003-09-20, 00:00, 37884.00, 2003.718, 1, 1, -8.0720 2003-11-02, 00:00, 37927.00, 2003.836, 1, 1, -8.1440 2003-11-30, 00:00, 37955.00, 2003.912, 1, 1, -8.2610 2003-12-18, 00:00, 37973.00, 2003.962, 1, 1, -8.2710 2003-12-29, 00:00, 37984.00, 2003.992, 1, 1, -8.3760 2004-01-10, 00:00, 37996.00, 2004.025, 1, 1, -8.3300 2004-01-24, 00:00, 38010.00, 2004.063, 1, 1, -8.3540 2004-02-07, 00:00, 38024.00, 2004.101, 1, 1, -8.3220 2004-02-22, 00:00, 38039.00, 2004.142, 1, 1, -8.3060 2004-03-20, 00:00, 38066.00, 2004.216, 1, 1, -8.3660 2004-04-04, 00:00, 38081.00, 2004.257, 1, 1, -8.4030 2004-04-17, 00:00, 38094.00, 2004.292, 1, 1, -8.4340 2004-05-02, 00:00, 38109.00, 2004.333, 1, 1, -8.4610 2004-05-16, 00:00, 38123.00, 2004.372, 1, 1, -8.4310 2004-05-29, 00:00, 38136.00, 2004.407, 1, 1, -8.3420 2004-06-25, 00:00, 38163.00, 2004.481, 1, 1, -8.2640 2004-07-12, 00:00, 38180.00, 2004.527, 1, 1, -8.1290 2004-07-24, 00:00, 38192.00, 2004.560, 1, 1, -8.0730 2004-08-08, 00:00, 38207.00, 2004.601, 1, 1, -7.9850 2005-01-29, 00:00, 38381.00, 2005.077, 2, 1, -8.2595 2005-02-12, 00:00, 38395.00, 2005.115, 2, 1, -8.2455 2005-02-26, 00:00, 38409.00, 2005.153, 2, 1, -8.3820 2005-03-16, 00:00, 38427.00, 2005.203, 2, 1, -8.4175 2005-03-26, 00:00, 38437.00, 2005.230, 1, 1, -8.4400 2005-04-09, 00:00, 38451.00, 2005.268, 1, 1, -8.4990 2005-04-23, 00:00, 38465.00, 2005.307, 1, 1, -8.4500 2005-05-07, 00:00, 38479.00, 2005.345, 1, 1, -8.4670 2005-05-28, 00:00, 38500.00, 2005.403, 1, 1, -8.4700 2005-06-03, 00:00, 38506.00, 2005.419, 1, 1, -8.4260 2005-06-18, 00:00, 38521.00, 2005.460, 1, 1, -8.3740 2005-07-17, 00:00, 38550.00, 2005.540, 1, 1, -8.1310 2005-08-03, 00:00, 38567.00, 2005.586, 1, 1, -8.1850 2005-09-18, 00:00, 38613.00, 2005.712, 1, 1, -8.1860 2005-10-28, 00:00, 38653.00, 2005.822, 1, 1, -8.2310 2005-11-05, 00:00, 38661.00, 2005.844, 1, 1, -8.1840 2005-11-19, 00:00, 38675.00, 2005.882, 1, 1, -8.2090 2006-03-29, 00:00, 38805.00, 2006.238, 2, 1, -8.4505 2006-05-20, 00:00, 38857.00, 2006.381, 1, 1, -8.5070 2006-06-03, 00:00, 38871.00, 2006.419, 1, 1, -8.4720 2006-06-17, 00:00, 38885.00, 2006.458, 1, 1, -8.4060 2006-07-01, 00:00, 38899.00, 2006.496, 1, 1, -8.3780 2006-07-08, 00:00, 38906.00, 2006.515, 1, 1, -8.3470 2006-08-12, 00:00, 38941.00, 2006.611, 1, 1, -8.0720 2006-08-26, 00:00, 38955.00, 2006.649, 2, 1, -8.0690 2006-10-21, 00:00, 39011.00, 2006.803, 1, 1, -8.1790 2006-12-10, 00:00, 39061.00, 2006.940, 1, 1, -8.3010 2007-01-07, 00:00, 39089.00, 2007.016, 1, 1, -8.3170 2007-02-17, 00:00, 39130.00, 2007.129, 1, 1, -8.4590 2007-03-03, 00:00, 39144.00, 2007.167, 1, 1, -8.4470 2007-03-26, 00:00, 39167.00, 2007.230, 1, 1, -8.4790 2007-04-07, 00:00, 39179.00, 2007.263, 1, 1, -8.4170 2007-04-21, 00:00, 39193.00, 2007.301, 1, 1, -8.5520 2007-05-06, 00:00, 39208.00, 2007.342, 1, 1, -8.5610 2008-04-08, 00:00, 39546.00, 2008.268, 3, 1, -8.5550 2008-04-10, 00:00, 39548.00, 2008.273, 3, 1, -8.6145 2008-07-04, 00:00, 39633.00, 2008.505, 1, 1, -8.3730 2008-10-04, 00:00, 39725.00, 2008.757, 1, 1, -8.1090 2008-11-01, 00:00, 39753.00, 2008.833, 1, 1, -8.2710 2008-12-13, 00:00, 39795.00, 2008.948, 1, 1, -8.3450 2009-02-14, 00:00, 39858.00, 2009.121, 1, 1, -8.4770