# file: insitu_global_N2O.txt # date: Mon, Nov 29, 2021 3:33:42 PM # # Nitrous Oxide (N2O) hemispheric and global monthly means from the NOAA/ESRL # Chromatograph for Atmospheric Trace Species data from baseline observatories (Barrow, Alaska; # Summit, Greenland; Niwot Ridge, Colorado; Mauna Loa, Hawaii; American Samoa; South Pole). # This work was funded in part by the Atmospheric Chemistry Project of NOAA's Climate and # Global Change Program. # # (PIs) Geoffrey S. Dutton, Dr. James W. Elkins, Dr. Bradley D. Hall # # National Oceanic and Atmospheric Administration (NOAA) # Earth System Research Laboratory (ESRL) # 325 Broadway, R/GML # Boulder, CO 80305-3328 # # Email: Geoff.Dutton@noaa.gov; James.W.Elkins@noaa.gov; Bradley.Hall@noaa.gov # Phone: (303) 497-6086 (303) 497-6224 (303) 497-7011 # Fax: (303) 497-6290 # # See (http://www.esrl.noaa.gov/gmd/obop/) for station statistics and personnel. # # Data use policy: # If you use this data in a publication or report, we would appreciate that you contact the principal # investigators (PIs) first and discuss your interests. We are trying to encourage scientific discussion. # The PIs can discuss the quality of the data and any potential problems with its analysis. Recent data (less # than 1.5 years) are considered preliminary. Please contact the PIs for more information. # # The data should be cited in presentations or publications as the flowing: Nitrous Oxide data from # the NOAA/ESRL halocarbons in situ program. # # DOI: http://doi.org/10.7289/V5X0659V # # Calibration scale used: NOAA 2006A # # More information about the calibration scale can be found at: # http://www.esrl.noaa.gov/gmd/ccl/index.html # # The CATS GCs sample air once an hour. Global monthly data are provided in parts-per-billion, ppb. # Abbreviations used: # yr=year, mon=month, m=monthly data; gc=type of sample--in situ GC data, sd=standard deviation of samples, # n=number of samples, brw=Pt. Barrow, Alaska, sum=Summit, Greenland, nwr= Niwot Ridge, Colorado # mlo=Mauna Loa, Hawaii, smo = American Samoa, spo=South Pole, Antarctica # NAN=not a number or no data, and space(s) is the delimiter. # # # The standard deviation (unc) reported is the estimate of insturmental precision. # The standard deviation (sd) reported is the estimate of insturmental precision and atmospheric variablity. # insitu_N2O_YYYY insitu_N2O_MM insitu_NH_N2O insitu_NH_N2O_sd insitu_SH_N2O insitu_SH_N2O_sd insitu_Global_N2O insitu_Global_N2O_sd 1998 1 nan nan nan nan nan nan 1998 2 nan nan nan nan nan nan 1998 3 nan nan nan nan nan nan 1998 4 nan nan nan nan nan nan 1998 5 nan nan nan nan nan nan 1998 6 nan nan nan nan nan nan 1998 7 nan nan nan nan nan nan 1998 8 nan nan nan nan nan nan 1998 9 nan nan nan nan nan nan 1998 10 nan nan nan nan nan nan 1998 11 nan nan nan nan nan nan 1998 12 nan nan 314.035 0.271 nan nan 1999 1 nan nan 314.185 0.220 nan nan 1999 2 nan nan 314.383 0.227 nan nan 1999 3 nan nan 314.186 0.220 nan nan 1999 4 nan nan 314.261 0.220 nan nan 1999 5 nan nan 314.381 0.256 nan nan 1999 6 nan nan 314.354 0.222 nan nan 1999 7 315.047 0.130 314.295 0.209 314.671 0.246 1999 8 314.963 0.117 314.306 0.214 314.635 0.244 1999 9 314.972 0.113 314.387 0.217 314.679 0.245 1999 10 315.103 0.102 314.476 0.241 314.790 0.262 1999 11 315.365 0.182 314.627 0.224 314.996 0.288 1999 12 315.484 0.122 314.818 0.236 315.151 0.266 2000 1 315.619 0.136 314.919 0.200 315.269 0.242 2000 2 315.771 0.131 315.003 0.224 315.387 0.260 2000 3 315.817 0.141 315.162 0.233 315.490 0.272 2000 4 315.782 0.141 315.249 0.238 315.516 0.277 2000 5 315.874 0.138 315.095 0.238 315.484 0.275 2000 6 316.065 0.135 315.015 0.213 315.540 0.252 2000 7 316.007 0.134 315.169 0.224 315.588 0.261 2000 8 316.064 0.141 315.390 0.215 315.727 0.257 2000 9 316.290 0.132 315.595 0.208 315.943 0.246 2000 10 316.600 0.126 315.713 0.236 316.156 0.267 2000 11 316.568 0.292 315.804 0.218 316.186 0.365 2000 12 316.610 0.349 315.927 0.222 316.268 0.414 2001 1 316.866 0.386 316.109 0.222 316.487 0.445 2001 2 316.831 0.402 316.146 0.411 316.489 0.575 2001 3 316.901 0.409 316.154 0.348 316.527 0.537 2001 4 316.768 0.364 315.966 0.265 316.367 0.450 2001 5 316.773 0.326 315.816 0.240 316.295 0.405 2001 6 316.937 0.388 315.919 0.315 316.428 0.500 2001 7 316.981 0.326 316.249 0.285 316.615 0.433 2001 8 316.973 0.441 316.366 0.284 316.669 0.525 2001 9 317.037 0.475 316.295 0.218 316.666 0.522 2001 10 317.256 0.482 316.403 0.221 316.829 0.530 2001 11 317.447 0.504 316.647 0.245 317.047 0.560 2001 12 317.589 0.457 316.862 0.268 317.226 0.529 2002 1 317.525 0.387 316.869 0.235 317.197 0.453 2002 2 317.559 0.392 316.931 0.241 317.245 0.460 2002 3 317.565 0.353 316.846 0.253 317.205 0.434 2002 4 317.660 0.411 316.714 0.269 317.187 0.491 2002 5 317.766 0.432 316.490 0.256 317.128 0.502 2002 6 317.971 0.200 316.416 0.294 317.193 0.355 2002 7 317.875 0.158 316.554 0.285 317.214 0.325 2002 8 317.856 0.134 316.747 0.451 317.301 0.470 2002 9 317.992 0.157 316.915 0.298 317.453 0.337 2002 10 318.101 0.285 316.838 0.263 317.469 0.387 2002 11 318.039 0.269 316.812 0.467 317.426 0.538 2002 12 318.093 0.223 317.125 0.302 317.609 0.375 2003 1 318.199 0.179 317.372 0.289 317.785 0.340 2003 2 318.282 0.180 317.348 0.312 317.815 0.360 2003 3 318.347 0.182 317.407 0.417 317.877 0.455 2003 4 318.411 0.188 317.558 0.418 317.985 0.458 2003 5 318.458 0.183 317.344 0.315 317.901 0.364 2003 6 318.571 0.323 317.293 0.285 317.932 0.431 2003 7 318.521 0.324 317.485 0.367 318.003 0.489 2003 8 318.415 0.289 317.767 0.403 318.091 0.496 2003 9 318.429 0.292 317.880 0.561 318.155 0.633 2003 10 318.593 0.254 317.928 0.350 318.260 0.433 2003 11 318.654 0.229 318.000 0.338 318.327 0.408 2003 12 318.706 0.234 318.079 0.251 318.393 0.343 2004 1 318.788 0.258 318.208 0.300 318.498 0.396 2004 2 318.769 0.251 318.280 0.345 318.525 0.427 2004 3 318.779 0.185 318.319 0.471 318.549 0.506 2004 4 318.832 0.195 318.178 0.453 318.505 0.493 2004 5 318.843 0.188 318.044 0.264 318.444 0.324 2004 6 318.794 0.336 317.898 0.234 318.346 0.409 2004 7 318.854 0.324 318.060 0.216 318.457 0.390 2004 8 318.913 0.301 318.240 0.443 318.576 0.536 2004 9 318.980 0.308 318.339 0.494 318.659 0.582 2004 10 319.216 0.285 318.382 0.491 318.799 0.567 2004 11 319.401 0.280 318.585 0.562 318.993 0.628 2004 12 319.444 0.266 318.801 0.440 319.123 0.514 2005 1 319.445 0.150 318.777 0.280 319.111 0.318 2005 2 319.545 0.157 318.726 0.283 319.135 0.323 2005 3 319.564 0.227 318.749 0.290 319.156 0.368 2005 4 319.576 0.231 318.609 0.286 319.092 0.367 2005 5 319.651 0.220 318.441 0.257 319.046 0.338 2005 6 319.601 0.199 318.349 0.235 318.975 0.308 2005 7 319.662 0.551 318.411 0.224 319.037 0.595 2005 8 319.545 0.451 318.705 0.192 319.125 0.490 2005 9 319.588 0.427 319.084 0.229 319.336 0.485 2005 10 319.712 0.192 319.312 0.237 319.512 0.305 2005 11 320.040 0.206 319.403 0.253 319.721 0.326 2005 12 320.106 0.196 319.565 0.244 319.835 0.313 2006 1 320.188 0.438 319.914 0.281 320.051 0.520 2006 2 320.115 0.410 320.317 0.228 320.216 0.469 2006 3 320.038 0.398 320.137 0.272 320.087 0.482 2006 4 320.103 0.412 319.954 0.235 320.028 0.474 2006 5 320.292 0.209 320.126 0.264 320.209 0.337 2006 6 320.431 0.173 320.253 0.246 320.342 0.300 2006 7 320.455 0.188 320.124 0.255 320.290 0.317 2006 8 320.457 0.217 320.110 0.238 320.283 0.322 2006 9 320.516 0.171 320.226 0.267 320.371 0.317 2006 10 320.627 0.166 320.211 0.365 320.419 0.401 2006 11 320.764 0.198 320.344 0.292 320.554 0.353 2006 12 320.872 0.198 320.380 0.322 320.626 0.378 2007 1 320.988 0.179 320.516 0.403 320.752 0.441 2007 2 321.009 0.182 320.666 0.366 320.838 0.409 2007 3 321.065 0.176 320.855 0.395 320.960 0.432 2007 4 321.120 0.188 320.807 0.368 320.963 0.413 2007 5 321.182 0.184 320.586 0.393 320.884 0.434 2007 6 321.216 0.175 320.304 0.436 320.760 0.470 2007 7 321.277 0.196 320.110 0.442 320.693 0.483 2007 8 321.318 0.195 320.310 0.512 320.814 0.547 2007 9 321.381 0.182 320.540 0.448 320.961 0.483 2007 10 321.521 0.169 320.863 0.425 321.192 0.458 2007 11 321.638 0.200 321.026 0.455 321.332 0.497 2007 12 321.764 0.193 321.226 0.425 321.495 0.467 2008 1 321.909 0.178 321.339 0.424 321.624 0.460 2008 2 322.006 0.175 321.397 0.373 321.701 0.412 2008 3 322.022 0.163 321.264 0.385 321.643 0.418 2008 4 322.023 0.185 321.184 0.425 321.603 0.464 2008 5 322.016 0.176 321.242 0.334 321.629 0.377 2008 6 322.045 0.181 321.296 0.348 321.671 0.392 2008 7 322.176 0.165 321.293 0.362 321.735 0.398 2008 8 322.235 0.177 321.361 0.356 321.798 0.398 2008 9 322.310 0.166 321.514 0.331 321.912 0.370 2008 10 322.428 0.171 321.769 0.284 322.098 0.332 2008 11 322.556 0.162 322.069 0.335 322.312 0.372 2008 12 322.613 0.187 322.291 0.372 322.452 0.417 2009 1 322.655 0.172 322.369 0.366 322.512 0.404 2009 2 322.625 0.163 322.462 0.372 322.543 0.406 2009 3 322.611 0.171 322.357 0.404 322.484 0.439 2009 4 322.682 0.178 322.185 0.449 322.433 0.483 2009 5 322.748 0.172 322.033 0.441 322.391 0.474 2009 6 322.789 0.158 322.033 0.388 322.411 0.419 2009 7 322.808 0.154 322.026 0.215 322.417 0.264 2009 8 322.879 0.143 322.131 0.213 322.505 0.257 2009 9 322.930 0.135 322.184 0.276 322.557 0.308 2009 10 323.037 0.156 322.244 0.322 322.641 0.358 2009 11 323.148 0.159 322.307 0.359 322.728 0.392 2009 12 323.327 0.173 322.519 0.336 322.923 0.377 2010 1 323.430 0.190 322.570 0.327 323.000 0.379 2010 2 323.521 0.225 322.523 0.285 323.022 0.363 2010 3 323.566 0.165 322.515 0.322 323.041 0.361 2010 4 323.604 0.182 322.655 0.393 323.129 0.433 2010 5 323.659 0.191 322.786 0.223 323.222 0.294 2010 6 323.712 0.132 322.820 0.369 323.266 0.392 2010 7 323.731 0.143 322.806 0.402 323.268 0.427 2010 8 323.697 0.144 322.955 0.361 323.326 0.389 2010 9 323.807 0.147 323.204 0.358 323.506 0.387 2010 10 323.973 0.152 323.343 0.207 323.658 0.257 2010 11 324.203 0.158 323.403 0.216 323.803 0.267 2010 12 324.319 0.163 323.562 0.224 323.940 0.277 2011 1 324.387 0.189 323.678 0.207 324.032 0.280 2011 2 324.400 0.179 323.783 0.329 324.091 0.374 2011 3 324.478 0.168 323.720 0.410 324.099 0.443 2011 4 324.534 0.173 323.603 0.345 324.068 0.386 2011 5 324.473 0.179 323.509 0.300 323.991 0.349 2011 6 324.452 0.154 323.568 0.220 324.010 0.268 2011 7 324.603 0.164 323.616 0.248 324.109 0.298 2011 8 324.770 0.157 323.911 0.307 324.340 0.345 2011 9 324.840 0.142 324.251 0.281 324.546 0.315 2011 10 324.956 0.157 324.456 0.286 324.706 0.326 2011 11 325.117 0.174 324.471 0.301 324.794 0.347 2011 12 325.269 0.169 324.551 0.307 324.910 0.351 2012 1 325.360 0.183 324.731 0.325 325.045 0.373 2012 2 325.371 0.160 324.853 0.308 325.112 0.347 2012 3 325.412 0.180 324.733 0.472 325.073 0.505 2012 4 325.476 0.172 324.562 0.461 325.019 0.492 2012 5 325.442 0.180 324.626 0.365 325.034 0.407 2012 6 325.392 0.226 324.649 0.587 325.020 0.629 2012 7 325.396 0.218 324.683 0.569 325.040 0.609 2012 8 325.431 0.225 324.827 0.575 325.129 0.617 2012 9 325.527 0.283 325.014 0.561 325.271 0.629 2012 10 325.703 0.317 325.122 0.498 325.413 0.591 2012 11 325.858 0.300 325.191 0.459 325.524 0.549 2012 12 325.970 0.261 325.283 0.498 325.626 0.562 2013 1 326.072 0.225 325.350 0.501 325.711 0.549 2013 2 326.116 0.223 325.406 0.509 325.761 0.556 2013 3 326.145 0.222 325.414 0.412 325.779 0.468 2013 4 326.252 0.223 325.442 0.403 325.847 0.460 2013 5 326.382 0.245 325.388 0.476 325.885 0.535 2013 6 326.450 0.145 325.360 0.463 325.905 0.485 2013 7 326.501 0.162 325.601 0.410 326.051 0.441 2013 8 326.578 0.139 325.895 0.340 326.236 0.367 2013 9 326.596 0.167 325.950 0.339 326.273 0.378 2013 10 326.616 0.173 325.840 0.363 326.228 0.402 2013 11 326.698 0.257 325.858 0.478 326.278 0.543 2013 12 326.864 0.244 325.967 0.475 326.415 0.534 2014 1 327.005 0.187 326.127 0.480 326.566 0.515 2014 2 327.134 0.137 326.338 0.519 326.736 0.536 2014 3 327.259 0.123 326.223 0.510 326.741 0.524 2014 4 327.477 0.147 325.847 0.444 326.662 0.468 2014 5 327.624 0.145 325.608 0.538 326.616 0.558 2014 6 327.794 0.142 326.072 0.652 326.933 0.667 2014 7 327.785 0.292 326.514 0.518 327.149 0.595 2014 8 327.818 0.280 326.680 0.533 327.249 0.602 2014 9 327.847 0.251 326.784 0.443 327.316 0.509 2014 10 327.943 0.324 327.144 0.366 327.543 0.489 2014 11 327.971 0.415 327.216 0.350 327.593 0.543 2014 12 328.073 0.325 327.307 0.334 327.690 0.466 2015 1 328.172 0.282 327.565 0.345 327.869 0.446 2015 2 328.226 0.216 327.724 0.303 327.975 0.372 2015 3 328.288 0.222 327.665 0.510 327.976 0.556 2015 4 328.377 0.177 327.560 0.464 327.969 0.497 2015 5 328.423 0.186 327.439 0.515 327.931 0.548 2015 6 328.422 0.136 327.416 0.590 327.919 0.605 2015 7 328.319 0.126 327.581 0.437 327.950 0.455 2015 8 328.415 0.255 327.741 0.370 328.078 0.449 2015 9 328.656 0.416 327.831 0.381 328.243 0.564 2015 10 328.917 0.382 327.966 0.400 328.442 0.554 2015 11 328.958 0.396 328.127 0.416 328.542 0.574 2015 12 328.970 0.286 328.249 0.384 328.610 0.479 2016 1 328.970 0.280 328.278 0.378 328.624 0.471 2016 2 329.059 0.252 328.305 0.439 328.682 0.507 2016 3 329.208 0.243 328.359 0.390 328.783 0.460 2016 4 329.308 0.274 328.187 1.002 328.747 1.039 2016 5 329.332 0.208 328.090 1.117 328.711 1.136 2016 6 329.350 0.227 328.022 1.214 328.686 1.235 2016 7 329.395 0.241 328.181 1.224 328.788 1.248 2016 8 329.407 0.285 328.380 0.225 328.894 0.363 2016 9 329.540 0.319 328.719 0.309 329.130 0.444 2016 10 329.785 0.389 328.811 0.355 329.298 0.527 2016 11 329.939 0.369 328.892 0.362 329.415 0.517 2016 12 329.967 0.278 328.925 0.336 329.446 0.436 2017 1 330.020 0.267 329.069 0.346 329.545 0.437 2017 2 330.132 0.284 329.128 0.350 329.630 0.451 2017 3 330.198 0.257 329.101 0.373 329.650 0.453 2017 4 330.243 0.285 329.100 0.365 329.672 0.464 2017 5 330.261 0.263 329.106 0.350 329.683 0.438 2017 6 330.309 0.271 329.178 0.339 329.744 0.434 2017 7 330.424 0.294 329.339 0.338 329.882 0.448 2017 8 330.550 0.234 329.568 0.368 330.059 0.436 2017 9 330.680 0.303 329.692 0.361 330.186 0.471 2017 10 330.890 0.419 329.949 0.373 330.419 0.561 2017 11 331.056 0.431 330.107 0.324 330.582 0.539 2017 12 331.015 0.375 330.192 0.223 330.603 0.436 2018 1 331.064 0.388 330.289 0.226 330.677 0.449 2018 2 331.092 0.370 330.409 0.232 330.751 0.437 2018 3 331.148 0.380 330.345 0.253 330.746 0.456 2018 4 331.297 0.392 330.259 0.265 330.778 0.473 2018 5 331.480 0.256 330.266 0.276 330.873 0.377 2018 6 331.470 0.357 330.316 0.265 330.893 0.444 2018 7 331.519 0.383 330.415 0.246 330.967 0.455 2018 8 331.651 0.349 330.612 0.242 331.131 0.424 2018 9 331.735 0.353 330.804 0.239 331.269 0.427 2018 10 331.761 0.269 330.943 0.251 331.352 0.368 2018 11 331.828 0.245 330.988 0.386 331.408 0.457 2018 12 331.880 0.287 331.247 0.403 331.563 0.495 2019 1 331.881 0.311 331.544 0.405 331.713 0.510 2019 2 332.007 0.326 331.697 0.426 331.852 0.537 2019 3 332.215 0.122 331.555 0.471 331.885 0.487 2019 4 332.345 0.134 331.459 0.498 331.902 0.516 2019 5 332.402 0.141 331.375 0.489 331.889 0.509 2019 6 332.481 0.220 331.318 0.458 331.900 0.508 2019 7 332.560 0.222 331.435 0.519 331.998 0.564 2019 8 332.654 0.255 331.631 0.498 332.143 0.560 2019 9 332.705 0.290 331.764 0.493 332.234 0.572 2019 10 332.824 0.210 331.763 0.457 332.294 0.503 2019 11 332.994 0.267 331.950 0.466 332.472 0.537 2019 12 333.157 0.326 332.099 0.477 332.628 0.577 2020 1 333.281 0.336 332.227 0.519 332.754 0.618 2020 2 333.437 0.308 332.309 0.498 332.873 0.585 2020 3 333.514 0.262 332.348 0.502 332.931 0.566 2020 4 333.664 0.312 332.356 0.492 333.010 0.583 2020 5 333.769 0.477 332.266 0.489 333.017 0.684 2020 6 333.854 0.375 332.270 0.499 333.062 0.624 2020 7 333.914 0.418 332.366 0.443 333.140 0.609 2020 8 334.055 0.358 332.664 0.427 333.359 0.558 2020 9 334.100 0.403 332.874 0.424 333.487 0.585 2020 10 334.141 0.455 333.214 0.480 333.677 0.662 2020 11 334.219 0.372 333.536 0.500 333.878 0.623 2020 12 334.313 0.407 333.761 0.499 334.037 0.644 2021 1 334.420 0.417 333.848 0.468 334.134 0.627 2021 2 334.561 0.376 334.101 0.495 334.331 0.622 2021 3 334.756 0.434 334.442 0.465 334.599 0.636 2021 4 334.928 0.424 nan nan nan nan 2021 5 335.043 0.358 nan nan nan nan 2021 6 335.200 0.318 nan nan nan nan 2021 7 335.381 0.411 nan nan nan nan 2021 8 335.461 0.311 nan nan nan nan 2021 9 335.707 0.411 nan nan nan nan 2021 10 336.001 0.606 nan nan nan nan 2021 11 335.614 0.996 nan nan nan nan 2021 12 nan nan nan nan nan nan