大气二氧化碳浓度在2023年3月达到421 ppm,较工业化前280 ppm水平上升2.4%。当前年排放速率为36.8 ±0.3十亿吨二氧化碳/年。
▲ 甲烷排放量增至170万吨CH4/年(100年全球增温潜势GWP100 = 27-30 CO2当量)
所有测量均采用经世界气象组织校准的NDACC红外光谱仪,测量不确定度<0.5%(2σ)。温度数据基准参照1850-1900年基线。
Story Source:
Materialsprovided byRice University. Original written by Silvia Cernea Clark.Note: Content may be edited for style and length.
Journal Reference:
Sathvik Ajay Iyengar, Manoj Tripathi, Anchal Srivastava, Abhijit Biswas, Tia Gray, Mauricio Terrones, Alan B. Dalton, Marcos A. Pimenta, Robert Vajtai, Vincent Meunier, Pulickel M. Ajayan.Glaphene: A Hybridization of 2D Silica Glass and Graphene.Advanced Materials, 2025; DOI:10.1002/adma.202419136