Stable carbon and nitrogen isotope compositions for archaeological ringed seal bone collagen from sites in the central Canadian Arctic. Also included are elemental (%C and %N) compositions of the bone
Common beech (Fagus sylvatica) is one of the most important deciduous tree species in European forests. However, climate-change-induced drought may threaten its dominant position. The Sonian Forest cl
NOAA National Centers for Environmental Information00
Tree ring data from the International Tree Ring Data Bank and World Data Center for Paleoclimatology archives. Most data sets include raw treering measurements (most are annual ring width, with some
NOAA National Centers for Environmental Information2003-01-01 更新10