气候变化领域集成服务门户(CCPortal): Methane concentration in sediment cores during METEOR cruise M92

CCPortal

DOI	https://doi.org/10.1594/PANGAEA.858254
	Methane concentration in sediment cores during METEOR cruise M92
	Maltby; Johanna; Sommer; Stefan; Dale; Andy; Treude; Tina
发布日期	2016-02-22
数据集类型	dataset
英文简介	We studied the concurrence of methanogenesis and sulfate reduction in surface sediments (0-25 cm below sea floor, cmbsf) at six stations (70, 145, 253, 407, 770 and 1024 m) along the Peruvian margin (12° S). This oceanographic region is characterized by high carbon export to the seafloor, creating an extensive oxygen minimum zone (OMZ) on the shelf, both factors that could favor surface methanogenesis. Sediments sampled along the depth transect traversed areas of anoxic and oxic conditions in the bottom-near water. Net methane production (batch incubations) and sulfate reduction (35S-sulfate radiotracer incubation) were determined in the upper 0-25 cmbsf of multicorer cores from all stations, while deep hydrogenotrophic methanogenesis (> 30 cmbsf, 14C-bicarbonate radiotracer incubation) was determined in two gravity cores at selected sites (78 and 407 m). Furthermore, stimulation (methanol addition) and inhibition (molybdate addition) experiments were carried out to investigate the relationship between sulfate reduction and methanogenesis.
空间范围	Median Latitude: -12.398332 * Median Longitude: -77.410957 * South-bound Latitude: -12.590000 * West-bound Longitude: -77.683333 * North-bound Latitude: -12.225000 * East-bound Longitude: -77.160160
时间范围	2013-01-07T17:41:00 - 2013-01-29T13:41:00
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/215420
推荐引用方式 GB/T 7714	Maltby,Johanna,Sommer,et al. Methane concentration in sediment cores during METEOR cruise M92.2016-02-22.https://doi.org/10.1594/PANGAEA.858254.