Strong Release of Methane on Mars in Northern Summer 2003 Export

@article{citeulike:4091157, abstract = {Living systems produce more than 90\% of Earth's atmospheric methane; the balance is of geochemical origin. On Mars, methane could be a signature of either origin. Using high-dispersion infrared spectrometers at three ground-based telescopes, we measured methane and water vapor simultaneously on Mars over several longitude intervals in northern early and late summer in 2003 and near the vernal equinox in 2006. When present, methane occurred in extended plumes, and the maxima of latitudinal profiles imply that the methane was released from discrete regions. In northern midsummer, the principal plume contained [\~{}]19,000 metric tons of methane, and the estimated source strength ([\≥]0.6 kilogram per second) was comparable to that of the massive hydrocarbon seep at Coal Oil Point in Santa Barbara, California. 10.1126/science.1165243}, author = {Mumma, Michael J. and Villanueva, Geronimo L. and Novak, Robert E. and Hewagama, Tilak and Bonev, Boncho P. and Disanti, Michael A. and Mandell, Avi M. and Smith, Michael D.}, citeulike-article-id = {4091157}, citeulike-linkout-0 = {http://dx.doi.org/10.1126/science.1165243}, citeulike-linkout-1 = {http://www.sciencemag.org/cgi/content/abstract/323/5917/1041}, citeulike-linkout-2 = {http://view.ncbi.nlm.nih.gov/pubmed/19150811}, citeulike-linkout-3 = {http://www.hubmed.org/display.cgi?uids=19150811}, day = {20}, doi = {10.1126/science.1165243}, journal = {Science}, keywords = {mars, methane, planetary, science, spectroscopy}, month = {February}, number = {5917}, pages = {1041--1045}, posted-at = {2009-02-24 08:11:16}, priority = {3}, title = {Strong Release of Methane on Mars in Northern Summer 2003}, url = {http://dx.doi.org/10.1126/science.1165243}, volume = {323}, year = {2009} }

TY - JOUR ID - citeulike:4091157 L3 - citeulike-article-id:4091157 N2 - Living systems produce more than 90% of Earth's atmospheric methane; the balance is of geochemical origin. On Mars, methane could be a signature of either origin. Using high-dispersion infrared spectrometers at three ground-based telescopes, we measured methane and water vapor simultaneously on Mars over several longitude intervals in northern early and late summer in 2003 and near the vernal equinox in 2006. When present, methane occurred in extended plumes, and the maxima of latitudinal profiles imply that the methane was released from discrete regions. In northern midsummer, the principal plume contained [~]19,000 metric tons of methane, and the estimated source strength ([≥]0.6 kilogram per second) was comparable to that of the massive hydrocarbon seep at Coal Oil Point in Santa Barbara, California. 10.1126/science.1165243 IS - 5917 JF - Science EP - 1045 TI - Strong Release of Methane on Mars in Northern Summer 2003 VL - 323 SP - 1041 KW - mars KW - methane KW - planetary KW - science KW - spectroscopy AU - Mumma, Michael AU - Villanueva, Geronimo AU - Novak, Robert AU - Hewagama, Tilak AU - Bonev, Boncho AU - Disanti, Michael AU - Mandell, Avi AU - Smith, Michael PY - 2009/02/20/ UR - http://dx.doi.org/10.1126/science.1165243 ER -