Carbon and hydrogen isotopic composition of methane over the last 1000 years

Reappraisal of the fossil methane budget and related emission from geologic sources

(2008) Giuseppe Etiope et al.   GEOPHYSICAL RESEARCH LETTERS

Early anthropogenic CH4emissions and the variation of CH4and13CH4over the last millennium

(2008) S. Houweling et al.   GLOBAL BIOGEOCHEMICAL CYCLES

A reconstruction of global agricultural areas and land cover for the last millennium

(2008) J. Pongratz et al.   GLOBAL BIOGEOCHEMICAL CYCLES

Changing boreal methane sources and constant biomass burning during the last termination

(2008) Hubertus Fischer et al.   NATURE

Climate and human influences on global biomass burning over the past two millennia

(2008) J. R. Marlon et al.   Nature Geoscience

Proxy-based reconstructions of hemispheric and global surface temperature variations over the past two millennia

(2008) M. E. Mann et al.   PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA