气候变化领域集成服务门户(CCPortal): Deglacial carbon cycle changes observed in a compilation of 127 benthic δ¹³C time series (20-6 ka)

CCPortal

DOI	https://doi.org/10.1594/PANGAEA.893008
	Deglacial carbon cycle changes observed in a compilation of 127 benthic δ¹³C time series (20-6 ka)
	Peterson; Carlye D; Lisiecki; Lorraine E
发布日期	2018-08-15
数据集类型	dataset
英文简介	We present a compilation of 127 time series δ¹³C records from Cibicides wuellerstorfi spanning the last deglaciation (20-6 ka) which is well-suited for reconstructing large-scale carbon cycle changes, especially for comparison with isotope-enabled carbon cycle models. The age models for the δ¹³C records are derived from regional planktic radiocarbon compilations (Stern and Lisiecki, 2014). The δ¹³C records were stacked in nine different regions and then combined using volume-weighted averages to create intermediate, deep, and global δ¹³C stacks. These benthic δ¹³C stacks are used to reconstruct changes in the size of the terrestrial biosphere and deep ocean carbon storage. The timing of change in global mean δ¹³C is interpreted to indicate terrestrial biosphere expansion from 19-6 ka. The δ¹³C gradient between the intermediate and deep ocean, which we interpret as a proxy for deep ocean carbon storage, matches the pattern of atmospheric CO₂ change observed in ice core records. The presence of signals associated with the terrestrial biosphere and atmospheric CO₂ indicates that the compiled δ¹³C records have sufficient spatial coverage and time resolution to accurately reconstruct large-scale carbon cycle changes during the glacial termination.
空间范围	Median Latitude: 3.673433 * Median Longitude: -106.279150 * South-bound Latitude: -45.500000 * West-bound Longitude: 174.900000 * North-bound Latitude: 64.800000 * East-bound Longitude: -13.395748
时间范围	1963-04-05T00:00:00 - 2005-06-22T03:28:00
语种	英语
国家	国际
学科大类	气候变化
学科子类	气候变化
文献类型	数据集
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/215219
推荐引用方式 GB/T 7714	Peterson,Carlye D,Lisiecki,et al. Deglacial carbon cycle changes observed in a compilation of 127 benthic δ¹³C time series (20-6 ka).2018-08-15.https://doi.org/10.1594/PANGAEA.893008.