Blunier, Thomas; Raynaud, Dominique (1999): GRIP Methane Data (LGGE) [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.55088
Always quote citation above when using data! You can download the citation in several formats below.
Related to:
Blunier, Thomas; Chappellaz, Jérôme A; Schwander, Jakob; Barnola, Jean-Marc; Desperts, T; Stauffer, Bernhard; Raynaud, Dominique (1993): Atmospheric methane record from a Greenland ice core over the last 1000 years. Geophysical Research Letters, 20(20), 2219-2222, https://doi.org/10.1029/93GL02414
Blunier, Thomas; Chappellaz, Jérôme A; Schwander, Jakob; Stauffer, Bernhard; Raynaud, Dominique (1995): Variations in atmospheric methane concentration during the Holocene epoch. Nature, 374(6517), 46-49, https://doi.org/10.1038/374046a0
Chappellaz, Jérôme A (1990): Etude du methane atmospherique au cours du dernier cycle climatique a partir d lanalyse de lair piege dans la glace antarctique [dissertation]. University of Grenoble, 214 pp
Chappellaz, Jérôme A; Blunier, Thomas; Raynaud, Dominique; Barnola, Jean-Marc; Schwander, Jakob; Stauffer, Bernhard (1993): Synchronous changes in atmospheric CH4 and Greenland climate between 40 and 8 kyr B.P. Nature, 366(6454), 443-445, https://doi.org/10.1038/366443a0
GRIP/GISP (1997): The Greenland Summit Ice Cores CD-ROM GISP2/GRIP. National Snow and Ice Data Center, University of Colorado at Boulder, and World Data Center for Paleoclimatology, National Geophysical Data Center, Boulder Colorado, CD-ROM, grip-gisp.iso
Raynaud, Dominique; Chappellaz, Jérôme A; Barnola, Jean-Marc; Korotkevich, Yevgeniy S; Lorius, C (1988): Climatic and CH4 cycle implications of glacial-interglacial CH4 change in the Vostok ice core. Nature, 333(6174), 655-657, https://doi.org/10.1038/333655a0
Project(s):
Greenland Ice Core Projects (GRIP/GISP/NGRIP)
Coverage:
Latitude: 72.570000 * Longitude: -37.620000
Date/Time Start: 1989-06-01T00:00:00 * Date/Time End: 1992-07-12T00:00:00
Minimum DEPTH, ice/snow: 122.07 m * Maximum DEPTH, ice/snow: 2272.17 m
Event(s):
GRIP * Latitude: 72.570000 * Longitude: -37.620000 * Date/Time Start: 1989-06-01T00:00:00 * Date/Time End: 1992-07-12T00:00:00 * Elevation: 3232.0 m * Penetration: 3028.8 m * Recovery: 3028.8 m * Location: Greenland * Campaign: GRIP * Basis: Sampling/drilling ice * Method/Device: ISTUK electromechanical drill (ISTUK)
Comment:
Age is mean age of trapped air in kilocalendar years before 1950. Sample depth relative to surface of summer 1989. One sample =4cm core.
Parameter(s):
# | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
---|---|---|---|---|---|---|
1 | DEPTH, ice/snow | Depth ice/snow | m | Geocode | ||
2 | AGE | Age | ka BP | Geocode | ||
3 | Methane | CH4 | ppbv | Raynaud, Dominique | Gas chromatography | |
4 | Methane, minimum | CH4 min | mg/kg | Raynaud, Dominique | Gas chromatography | two sigma experimental |
5 | Methane, maximum | CH4 max | mg/kg | Raynaud, Dominique | Gas chromatography | two sigma experimental |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
414 data points
Data
1 Depth ice/snow [m] | 2 Age [ka BP] | 3 CH4 [ppbv] | 4 CH4 min [mg/kg] | 5 CH4 max [mg/kg] |
---|---|---|---|---|
122.07 | 0.175 | 744 | 0.708 | 0.780 |
144.07 | 0.267 | 702 | 0.670 | 0.734 |
165.58 | 0.371 | 710 | 0.677 | 0.743 |
189.23 | 0.483 | 708 | 0.676 | 0.740 |
209.58 | 0.564 | 707 | 0.671 | 0.743 |
231.58 | 0.682 | 695 | 0.658 | 0.732 |
275.98 | 0.893 | 701 | 0.667 | 0.735 |
276.03 | 0.892 | 699 | 0.661 | 0.737 |
320.07 | 1.113 | 673 | 0.632 | 0.714 |
341.58 | 1.214 | 691 | 0.654 | 0.728 |
341.63 | 1.214 | 672 | 0.635 | 0.709 |
363.58 | 1.326 | 688 | 0.650 | 0.726 |
385.03 | 1.424 | 666 | 0.632 | 0.700 |
407.58 | 1.561 | 664 | 0.629 | 0.699 |
429.58 | 1.666 | 675 | 0.638 | 0.712 |
451.58 | 1.777 | 679 | 0.640 | 0.718 |
473.58 | 1.909 | 638 | 0.604 | 0.672 |
495.58 | 2.013 | 675 | 0.640 | 0.710 |
495.62 | 2.013 | 650 | 0.607 | 0.693 |
517.58 | 2.137 | 636 | 0.600 | 0.672 |
539.58 | 2.255 | 630 | 0.590 | 0.670 |
561.58 | 2.380 | 638 | 0.598 | 0.678 |
579.17 | 2.487 | 634 | 0.598 | 0.670 |
605.58 | 2.619 | 620 | 0.587 | 0.653 |
627.58 | 2.741 | 624 | 0.587 | 0.661 |
650.06 | 2.872 | 617 | 0.576 | 0.658 |
671.58 | 2.996 | 606 | 0.573 | 0.639 |
694.07 | 3.123 | 628 | 0.582 | 0.674 |
730.42 | 3.345 | 617 | 0.583 | 0.651 |
762.87 | 3.536 | 605 | 0.571 | 0.639 |
794.72 | 3.739 | 613 | 0.574 | 0.652 |
826.12 | 3.938 | 618 | 0.591 | 0.645 |
856.37 | 4.132 | 606 | 0.569 | 0.643 |
887.09 | 4.347 | 614 | 0.579 | 0.649 |
887.13 | 4.347 | 601 | 0.558 | 0.644 |
915.61 | 4.543 | 622 | 0.588 | 0.656 |
943.78 | 4.740 | 610 | 0.574 | 0.646 |
973.32 | 4.954 | 624 | 0.587 | 0.661 |
1000.47 | 5.148 | 573 | 0.543 | 0.603 |
1030.17 | 5.380 | 592 | 0.559 | 0.625 |
1055.69 | 5.564 | 594 | 0.555 | 0.633 |
1082.09 | 5.771 | 611 | 0.580 | 0.642 |
1107.72 | 5.965 | 610 | 0.573 | 0.647 |
1133.53 | 6.181 | 596 | 0.554 | 0.638 |
1158.25 | 6.386 | 632 | 0.595 | 0.669 |
1181.97 | 6.582 | 622 | 0.586 | 0.658 |
1206.72 | 6.789 | 626 | 0.594 | 0.658 |
1230.92 | 7.000 | 645 | 0.611 | 0.679 |
1244.06 | 7.124 | 661 | 0.629 | 0.693 |
1255.07 | 7.223 | 634 | 0.601 | 0.667 |
1267.24 | 7.320 | 628 | 0.594 | 0.662 |
1278.73 | 7.427 | 659 | 0.628 | 0.690 |
1290.92 | 7.530 | 652 | 0.620 | 0.684 |
1302.43 | 7.647 | 661 | 0.609 | 0.713 |
1313.84 | 7.746 | 644 | 0.607 | 0.681 |
1324.37 | 7.844 | 629 | 0.590 | 0.668 |
1331.82 | 7.915 | 644 | 0.608 | 0.680 |
1354.04 | 8.104 | 588 | 0.543 | 0.633 |
1354.08 | 8.104 | 588 | 0.551 | 0.625 |
1375.57 | 8.325 | 652 | 0.609 | 0.695 |
1419.57 | 8.762 | 690 | 0.651 | 0.729 |
1463.82 | 9.202 | 710 | 0.666 | 0.754 |
1474.57 | 9.308 | 693 | 0.656 | 0.730 |
1485.57 | 9.421 | 695 | 0.659 | 0.731 |
1496.57 | 9.528 | 715 | 0.676 | 0.754 |
1508.08 | 9.653 | 726 | 0.685 | 0.767 |
1519.08 | 9.773 | 712 | 0.676 | 0.748 |
1529.57 | 9.891 | 720 | 0.678 | 0.762 |
1540.90 | 10.013 | 727 | 0.684 | 0.770 |
1551.57 | 10.141 | 720 | 0.679 | 0.761 |
1562.57 | 10.296 | 744 | 0.708 | 0.780 |
1573.57 | 10.447 | 722 | 0.684 | 0.760 |
1584.57 | 10.588 | 720 | 0.687 | 0.753 |
1595.57 | 10.768 | 691 | 0.651 | 0.731 |
1606.57 | 10.919 | 719 | 0.681 | 0.757 |
1617.57 | 11.093 | 698 | 0.658 | 0.738 |
1625.82 | 11.254 | 677 | 0.642 | 0.712 |
1635.33 | 11.449 | 726 | 0.681 | 0.771 |
1645.23 | 11.575 | 686 | 0.654 | 0.718 |
1656.07 | 11.893 | 484 | 0.452 | 0.516 |
1667.07 | 12.152 | 472 | 0.440 | 0.504 |
1667.11 | 12.152 | 471 | 0.436 | 0.506 |
1678.07 | 12.585 | 533 | 0.503 | 0.563 |
1689.07 | 12.757 | 666 | 0.626 | 0.706 |
1700.07 | 13.076 | 689 | 0.659 | 0.719 |
1711.21 | 13.290 | 685 | 0.652 | 0.718 |
1722.07 | 13.534 | 673 | 0.638 | 0.708 |
1733.07 | 13.691 | 660 | 0.623 | 0.697 |
1744.07 | 13.984 | 656 | 0.626 | 0.686 |
1755.78 | 14.242 | 633 | 0.600 | 0.666 |
1766.34 | 14.382 | 653 | 0.618 | 0.688 |
1777.07 | 14.629 | 536 | 0.498 | 0.574 |
1788.07 | 14.946 | 464 | 0.428 | 0.500 |
1799.07 | 15.243 | 453 | 0.416 | 0.490 |
1810.07 | 15.649 | 482 | 0.451 | 0.513 |
1821.07 | 15.979 | 429 | 0.393 | 0.465 |
1832.23 | 16.305 | 416 | 0.386 | 0.446 |
1843.07 | 16.710 | 364 | 0.333 | 0.395 |
1854.57 | 17.048 | 374 | 0.334 | 0.414 |
1865.07 | 17.341 | 375 | 0.341 | 0.409 |
1876.07 | 17.714 | 359 | 0.320 | 0.398 |
1887.23 | 18.057 | 360 | 0.321 | 0.399 |
1898.07 | 18.461 | 372 | 0.336 | 0.408 |
1909.07 | 18.923 | 357 | 0.315 | 0.399 |
1920.08 | 19.338 | 374 | 0.336 | 0.412 |
1931.07 | 19.864 | 362 | 0.328 | 0.396 |
1942.07 | 20.298 | 347 | 0.308 | 0.386 |
1953.62 | 20.915 | 365 | 0.332 | 0.398 |
1964.07 | 21.344 | 402 | 0.369 | 0.435 |
1975.07 | 21.813 | 402 | 0.369 | 0.435 |
1986.23 | 22.506 | 375 | 0.337 | 0.413 |
1997.07 | 23.037 | 372 | 0.340 | 0.404 |
2008.07 | 23.667 | 378 | 0.343 | 0.413 |
2018.68 | 24.191 | 351 | 0.314 | 0.388 |
2030.07 | 24.904 | 390 | 0.357 | 0.423 |
2041.62 | 25.208 | 447 | 0.408 | 0.486 |
2052.19 | 25.950 | 423 | 0.385 | 0.461 |
2063.58 | 26.428 | 396 | 0.356 | 0.436 |
2074.03 | 27.046 | 381 | 0.347 | 0.415 |
2085.62 | 27.832 | 426 | 0.395 | 0.457 |
2090.57 | 28.089 | 382 | 0.349 | 0.415 |
2095.52 | 28.380 | 404 | 0.371 | 0.437 |
2107.07 | 29.116 | 504 | 0.470 | 0.538 |
2118.07 | 29.586 | 392 | 0.359 | 0.425 |
2129.07 | 30.288 | 498 | 0.456 | 0.540 |
2140.07 | 30.984 | 431 | 0.399 | 0.463 |
2151.32 | 31.697 | 540 | 0.507 | 0.573 |
2162.10 | 32.176 | 473 | 0.440 | 0.506 |
2172.52 | 32.981 | 453 | 0.419 | 0.487 |
2184.07 | 33.597 | 566 | 0.529 | 0.603 |
2195.62 | 34.174 | 554 | 0.518 | 0.590 |
2206.62 | 34.701 | 575 | 0.539 | 0.611 |
2217.24 | 35.394 | 450 | 0.394 | 0.506 |
2227.52 | 36.320 | 422 | 0.390 | 0.454 |
2239.07 | 37.028 | 425 | 0.388 | 0.462 |
2250.07 | 37.817 | 505 | 0.471 | 0.539 |
2260.62 | 38.622 | 412 | 0.375 | 0.449 |
2272.17 | 39.408 | 509 | 0.468 | 0.550 |