Ice core δ\{\}\+\{18\}O records from the No.1 glacier at the head of the rümqi River were used to characterize the relationship between δ\{\}\+\{18\}O and contemporaneous surface air temperature (Ta) nearby the...Ice core δ\{\}\+\{18\}O records from the No.1 glacier at the head of the rümqi River were used to characterize the relationship between δ\{\}\+\{18\}O and contemporaneous surface air temperature (Ta) nearby the Daxigou Meteorological Station (3539 m above sea level, ～2km away from the ice core drilling site). Although the ice core records of annually averaged δ\{\}\+\{18\}O are positively correlated with contemporaneous surface air temperature, especially summer air temperature, the correlation is less significant than that for the precipitation samples due to depositional and post\|depositional modification processes. However, the climatological significance of the ice core δ\{\}\+\{18\}O records can be still preserved to a certain degree, which might extend the application of high altitude and sub\|tropical ice core δ\{\}\+\{18\}O records to paleoclimate reconstruction.展开更多
文摘Ice core δ\{\}\+\{18\}O records from the No.1 glacier at the head of the rümqi River were used to characterize the relationship between δ\{\}\+\{18\}O and contemporaneous surface air temperature (Ta) nearby the Daxigou Meteorological Station (3539 m above sea level, ～2km away from the ice core drilling site). Although the ice core records of annually averaged δ\{\}\+\{18\}O are positively correlated with contemporaneous surface air temperature, especially summer air temperature, the correlation is less significant than that for the precipitation samples due to depositional and post\|depositional modification processes. However, the climatological significance of the ice core δ\{\}\+\{18\}O records can be still preserved to a certain degree, which might extend the application of high altitude and sub\|tropical ice core δ\{\}\+\{18\}O records to paleoclimate reconstruction.
