气候变化领域集成服务门户(CCPortal): Age model and stable oxygen isotope mean values of ice core SZ99 from Akademii Nauk ice cap on Severnaya Zemlya

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DOI	https://doi.org/10.1594/PANGAEA.511330
	Age model and stable oxygen isotope mean values of ice core SZ99 from Akademii Nauk ice cap on Severnaya Zemlya
	Fritzsche; Diedrich; Schütt; Rainer; Meyer; Hanno; Miller; Heinz; Wilhelms; Frank; Opel; Thomas; Savatyugin; Lev M
发布日期	2006-09-15
数据集类型	dataset
英文简介	Between 1999 and 2001, a 724 m long ice core was drilled on Akademii Nauk, the largest glacier on Severnaya Zemlya, Russian Arctic. The drilling site is located near the summit. The core is characterized by high melt-layer content. The melt layers are caused by melting and even by rain during the summer. We present high-resolution data of density, electrical conductivity (dielectrical profiling), stable water isotopes and melt-layer content for the upper 136 m (120 m w.e.) of the ice core. The dating by isotopic cycles and electrical conductivity peak identification suggests that this core section covers approximately the past 275 years. Singularities of volcanogenic and anthropogenic origin provide well-defined additional time markers. Long-term temperatures inferred from 12 year running mean averages of d18O reach their lowest level in the entire record around 1790. Thereafter the d18O values indicate a continuously increasing mean temperature on the Akademii Nauk ice cap until 1935, interrupted only by minor cooling episodes. The 20th century is found to be the warmest period in this record.
空间范围	Latitude: 80.516660 * Longitude: 94.816660
时间范围	1999-05-01T00:00:00 - 1999-05-01T00:00:00
语种	英语
国家	国际
学科大类	气候变化
学科子类	冰冻圈
文献类型	数据集
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/213972
推荐引用方式 GB/T 7714	Fritzsche,Diedrich,Schütt,et al. Age model and stable oxygen isotope mean values of ice core SZ99 from Akademii Nauk ice cap on Severnaya Zemlya.2006-09-15.https://doi.org/10.1594/PANGAEA.511330.