Browsing by Author Harth, CM

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Showing results 1 to 17 of 17
Issue DateTitleAuthor(s)
15-Nov-202114-CO in glacial ice from Law Dome, Antarctica as a tracer of changes in atmospheric OH abundance from 1870 AD to presentSmith, AM; Neff, PD; Petrenko, VV; Etheridge, DM; Crosier, EM; Hmiel, B; Thornton, DP; Jong, L; Beaudette, R; Harth, CM; Langenfelds, RL; Mitrevski, B; Curran, MAJ; Buizert, C; Murray, LT; Trudinger, CM; Dyonisius, MN; Ng, J; Severinghaus, JP; Weiss, RF
7-Mar-2016Constraining the sources of the CH4 increase during the Oldest Dryas-Bølling abrupt warming event using 14CH4 measurements from Taylor Glacier, AntarcticaDyonisius, MN; Petrenko, VV; Smith, AM; Hmiel, B; Hua, Q; Harth, CM; Baggenstos, D; Bauska, TK; Bock, M; Beck, J; Seth, B; Beaudette, R; Schmitt, J; Palardy, A; Brook, EJ; Weiss, RF; Fischer, H; Severinghaus, JP
1-Mar-2013High-precision C-14 measurements demonstrate production of in situ cosmogenic (CH4)-C-14 and rapid loss of in situ cosmogenic (CO)-C-14 in shallow Greenland firnPetrenko, VV; Severinghaus, JP; Smith, AM; Riedel, K; Baggenstos, D; Harth, CM; Orsi, AJ; Hua, Q; Franz, P; Takeshita, Y; Brailsford, G; Weiss, RF; Buizert, C; Dickson, A; Schaefer, H
3-Dec-2012High-precision measurements of 14C in ice cores: results and future prospectsPetrenko, VV; Severinghaus, JP; Smith, AM; Schaefer, H; Riedel, K; Brook, EJ; Buizert, C; Baggenstos, D; Harth, CM; Hua, Q; Orsi, AJ; Bauska, TK; Schilt, A; Mitchell, L; Faïn, X; Takeshita, Y; Lee, JE; Brailsford, G; Franz, P; Weiss, RF; Dickson, A
1-Dec-2015Ice core measurements of 14CH4 constrain the sources of atmospheric methane increase during abrupt warming events of the last deglaciationPetrenko, VV; Severinghaus, JP; Smith, AM; Riedel, K; Brook, EJ; Schaefer, H; Baggenstos, D; Harth, CM; Hua, Q; Dyonisius, MN; Buizert, C; Schilt, A; Faïn, X; Mitchell, L; Bauska, TK; Orsi, AJ; Weiss, RF
12-Apr-2015Ice core measurements of 14CH4 show no evidence of methane release from methane hydrates or old permafrost carbon during a large warming event 11,600 years agoPetrenko, VV; Severinghaus, JP; Smith, AM; Riedel, K; Brook, EJ; Schaefer, H; Battenstos, D; Harth, CM; Hua, Q; Buizert, C; Schilt, A; Faïn, X; Mitchell, L; Bauska, TK; Orsi, AJ
7-Mar-2016Ice core measurements of 14CH4 show no evidence of methane release to atmosphere from methane hydrates during a large warming event 11,600 years agoPetrenko, VV; Severinghaus, JP; Smith, AM; Riedel, K; Brook, EJ; Schaefer, H; Baggenstos, D; Harth, CM; Hua, Q; Buizert, C; Schift, A; Faïn, X; Mitchell, L; Bauska, TK; Orsi, AJ; Weiss, RF
Mar-2008Instruments and methods: a novel method for obtaining very large ancient air samples from ablating glacial ice for analyses of methane radiocarbonPetrenko, VV; Severinghaus, JP; Brook, EJ; Muhle, J; Headly, M; Harth, CM; Schaefer, H; Reeh, N; Weiss, RF; Lowe, DC; Smith, AM
15-Mar-2016Measurements of 14C in ancient ice from Taylor Glacier, Antarctica constrain in situ cosmogenic 14CH4 and 14CO production ratesPetrenko, VV; Severinghaus, JP; Schaefer, H; Smith, AM; Kuhl, TW; Baggenstos, D; Hua, Q; Brook, EJ; Rose, P; Kulin, R; Bauska, TK; Harth, CM; Buizert, C; Orsi, AJ; Emanuele, G; Lee, JE; Brailsford, G; Keeling, R; Weiss, RF
24-Aug-2017Minimal geological methane emissions during the Younger Dryas–Preboreal abrupt warming eventPetrenko, VV; Smith, AM; Schaefer, H; Riedel, K; Brook, EJ; Baggenstos, D; Harth, CM; Hua, Q; Buizert, C; Schilt, A; Faïn, X; Mitchell, L; Bauska, TK; Orsi, AJ; Weiss, RF; Severinghaus, JP
19-Dec-2014New measurements of 14C provide constraints on sources of a large atmospheric methane increase during the Younger Dryas-Preboreal Abrupt Warming EventPetrenko, VV; Severinghaus, JP; Smith, AM; Riedel, K; Brook, EJ; Schaefer, H; Baggenstos, D; Harth, CM; Hua, Q; Buizert, C; Schilt, A; Faïn, X; Mitchell, L; Bauska, TK; Orsi, AJ; Weiss, RF
21-Feb-2020Old carbon reservoirs were not important in the deglacial methane budgetDyonisius, MN; Petrenko, VV; Smith, AM; Hua, Q; Yang, B; Schmitt, J; Beck, J; Seth, B; Bock, M; Hmiel, B; Vimont, I; Menking, JA; Shackleton, SA; Baggenstos, D; Bauska, TK; Rhodes, RH; Sperlich, P; Beaudette, R; Harth, CM; Kalk, M; Brook, EJ; Fischer, H; Severinghaus, JP; Weiss, RF
19-Feb-2020Preindustrial 14CH4 indicates greater anthropogenic fossil CH4 emissionsHmiel, B; Petrenko, VV; Dyonisius, MN; Buizert, C; Smith, AM; Place, PF; Harth, CM; Beaudette, R; Hua, Q; Yang, B; Vimont, I; Michel, SE; Severinghaus, JP; Etheridge, DM; Bromley, T; Schmitt, J; Faïn, X; Weiss, RF; Dlugokencky, E
13-Dec-2016Radioactive and stable paleoatmospheric methane isotopes across the last deglaciation and early holocene from Taylor Glacier, AntarcticaDyonisius, MN; Petrenko, VV; Smith, AW; Hmiel, B; Vimont, I; Hua, Q; Yang, B; Menking, JA; Shackleton, SA; Rhodes, RH; Baggenstos, D; Bauska, TK; Bock, M; Beck, J; Seth, B; Harth, CM; Beaudette, R; Schmitt, J; Brook, EJ; Weiss, RF; Fischer, H; Severinghaus, JP; McConnel, JP
7-Mar-2016Understanding the production and retention of in situ cosmogenic 14C in polar firnHmiel, B; Petrenko, VV; Smith, AM; Bruizert, C; Harth, CM; Beaudette, R; Place, PF; Hua, Q; Yang, B; Vimont, I; Weiss, RF; Severinghaus, JP; Brook, EJ; White, JWC
1-Dec-2016Understanding the production and retention of in situ cosmogenic 14C in polar firnHmiel, B; Petrenko, VV; Dyonisius, MN; Smith, AM; Schmitt, J; Buizert, C; Place, PF; Harth, CM; Beaudette, R; Hua, Q; Yang, B; Vimont, I; Kalk, M; Weiss, RF; Severinghaus, JP; Brook, EJ; White, JWC
26-Jan-2022Using ice core measurements from Taylor Glacier, Antarctica to calibrate in situ cosmogenic 14C production rates by muonsDyonisius, MN; Petrenko, VV; Smith, AM; Hmiel, B; Neff, PD; Yang, B; Hua, Q; Schmitt, J; Shackleton, SA; Buizert, C; Place, PF; Menking, JA; Beaudette, R; Harth, CM; Kalk, M; Roop, H; Bereiter, B; Armanetti, C; Vimont, I; Michel, SE; Brook, EJ; Severinghaus, JP; Weiss, RF; McConnell, JR