A5019639922- Geology and Paleoclimatology Research
- Marine and coastal ecosystems
- Isotope Analysis in Ecology
- Marine Biology and Ecology Research
- Geochemistry and Elemental Analysis
- Mercury impact and mitigation studies
- Ocean Acidification Effects and Responses
- Heavy metals in environment
- Paleontology and Stratigraphy of Fossils
- Methane Hydrates and Related Phenomena
- Oceanographic and Atmospheric Processes
- Geological formations and processes
- Groundwater and Isotope Geochemistry
- Geological and Geochemical Analysis
- Microbial Community Ecology and Physiology
- Geological and Geophysical Studies
- Marine Bivalve and Aquaculture Studies
- Geological Studies and Exploration
- Marine and Offshore Engineering Studies
- 3D Printing in Biomedical Research
- Coastal and Marine Management
- Radioactive contamination and transfer
- Wastewater Treatment and Nitrogen Removal
- Cryospheric studies and observations
- Space Exploration and Technology
Guizhou Normal University
2024
Shanghai Jiao Tong University
2022-2024
GEOMAR Helmholtz Centre for Ocean Research Kiel
2019-2022
Max Planck Institute for Chemistry
2016-2018
Max Planck Institute for Biogeochemistry
2015-2017
Max Planck Society
2015
Texas A&M University
2009-2014
Abstract. Oxygen-deficient zones (ODZs) are major sites of net natural nitrous oxide (N2O) production and emissions. In order to understand changes in the magnitude N2O response global change, knowledge on individual contributions microbial pathways (nitrification denitrification) their regulation is needed. ODZ coastal area off Peru, sensitivity oxygen organic matter was investigated using 15N tracer experiments combination with quantitative PCR (qPCR) microarray analysis total active...
Understanding intermediate water circulation across the last deglacial is critical in assessing role of oceanic heat transport associated with Atlantic Meridional Overturning Circulation variability abrupt climate events. However, links between and events such as Younger Dryas (YD) Heinrich Event 1 (H1) are still poorly constrained. Here, we reconstruct changes Antarctic Intermediate Water (AAIW) subtropical North over past 25 kyr by measuring authigenic neodymium isotope ratios sediments...
Abstract Much uncertainty exists about the state of oceanic and atmospheric circulation in tropical Pacific over last glacial cycle. Studies have been hampered by fact that sediment cores suitable for study were concentrated western eastern parts Pacific, with little information from central Pacific. Here we present a suite collected Line Islands Ridge which show sedimentation rates stratigraphies paleoceanographic investigations. Based on radiocarbon oxygen isotope measurements planktonic...
Abstract Upwelling of subsurface waters injects macronutrients (fixed N, P, and Si) micronutrient trace metals (TMs) into surface supporting elevated primary production in Eastern Boundary Regions. The eastern South Atlantic features a highly productive shelf sea transitioning to low productivity N‐Fe (co)limited open ocean. Whilst gradient most TM concentrations is expected any off‐shelf transect, the factors controlling magnitude cross‐shelf fluxes are poorly constrained. Here, we present...
Abstract. The eastern boundary region of the southeastern Pacific Ocean hosts one world's most dynamic and productive upwelling systems with an associated oxygen minimum zone (OMZ). variability in downward export fluxes this region, strongly varying surface productivity, intensities water column content, is however poorly understood. Thorium-234 (234Th) a powerful tracer to study dynamics carbon other elements, yet intense advection diffusion nearshore environments impact assessment...
Abstract. Oxygen deficient zones (ODZs) are major sites of net natural nitrous oxide (N2O) production and emissions. In order to understand changes in the magnitude N2O response global change, knowledge on individual contributions microbial pathways (nitrification denitrification) their regulation is needed. ODZ coastal area off Peru, sensitivity oxygen organic matter was investigated using 15N-tracer experiments combination with qPCR microarray analysis total active functional genes...
Abstract. The eastern boundary region of the southeast Pacific Ocean hosts one world's most dynamic and productive upwelling systems with an associated oxygen minimum zone (OMZ). variability in downward export fluxes this region, strongly varying surface productivity, intensities water column content, is however poorly understood. Thorium-234 (234Th) a powerful tracer to study dynamics carbon other elements, yet intense advection diffusion nearshore environments impact assessment...
<title>Abstract</title> Seasonal stratification can alter the redox environment of lakes and reservoirs, affect their water quality biogeochemical cycles. Bacterial dissimilarity sulfate reduction (BSR) in anaerobic produces significant isotope fractionation. However, it is currently unclear whether thermal will lead to similar fractionation characteristics karst reservoirs. For this problem, samples were collected from Pingzhai Reservoir, a drinking source reservoir southwestern China,...
The oxygen minimum zone (OMZ) in the eastern tropical South Pacific Ocean is tightly connected to coastal upwelling system off Peru. high biological productivity Peru therefore, driven by complex interplay between amount of nutrients recycled remineralisation processes OMZ and which brings these surface layer. However, surprisingly little known about organic matter cycling its effects on biogeochemical To this end we conducted a first comprehensive study role for maintenance M138 combined...