Graphs for CO₂, CO, and CH₄, δ¹³C in CH4, and δ²H in CH4 at Montana de Oro, California, USA and Niwot Ridge, Colorado, USA

• CH₄ at Montana de Oro, California, USA
• δ¹³C in CH₄ at Montana de Oro, California, USA
• δ²H in CH₄ at Montana de Oro, California, USA
• CO at Montana de Oro, California, USA
• CH₄ for Niwot Ridge, Colorado, USA
• δ¹³C in CH₄ for Niwot Ridge, Colorado, USA
• δ²H in CH₄ for Niwot Ridge, Colorado, USA
• CO for Niwot Ridge, Colorado, USA
• CO₂ at Montana de Oro, California, USA
• δ¹³C in CO₂ at Montana de Oro, California, USA
• δ¹⁸O in CO₂ at Montana de Oro, California, USA
• CO₂ for Niwot Ridge, Colorado, USA
• δ¹³C in CO₂ for Niwot Ridge, Colorado, USA
• δ¹⁸O in CO₂ for Niwot Ridge, Colorado, USA

March 2004