搜索结果: 1-15 共查到“海洋地质学 carbon”相关记录56条 . 查询时间(0.125 秒)
Engineering the Mississippi River has kept carbon out of the atmosphere,new study reveals（图）
Engineering Mississippi River kept carbon out atmosphere
2021/4/9
A new study co-authored by a Tulane University geoscientist shows that human efforts to tame the Mississippi River may have had an unintended positive effect: more rapid transport of carbon ...
中国地质大学科学技术发展院宋虎跃BGEG国家重点实验室 Geology (2017) Uranium and carbon isotopes document global-ocean redox-productivity relationships linked to cooling during the Frasnian-Famennian mass extinction
全球；变冷；事件；导致；生物；大灭绝
2021/10/21
近日，中国地质大学生物地质与环境地质国家重点实验室宋虎跃副研究员及合作者在国际地学领域权威期刊《GEOLOGY》上发表题目“Uranium and carbon isotopes document global-ocean redox-productivity relationships linked to cooling during the Frasnian-Famennian mass ex...
Following the highly publicized 1998 E1 Niño event, interest in how climatic events in the tropics affects global climate has grown. However, an understanding of the long-term natural variability...
Scientific Outcomes and Future Challenges of the Ocean Carbon and Biogeochemistry Program
Scientific Outcomes Future Challenges Ocean Carbon Biogeochemistry Program
2015/7/17
The ocean plays a major role in shaping Earth's climate, regulating levels of key atmospheric trace gases such as carbon dioxide on time scales of decades to millennia. Much progress has been made in ...
Ocean Dynamics and the Carbon Cycle:Principles and Mechanisms
Ocean Dynamics Carbon Cycle Principles and Mechanisms
2015/7/15
Williams and Follows combined their expertise to write a book targeted at honors undergraduate or graduate students, as well as at professionals in ocean science who need to learn the fundamentals of ...
Biogeochemical Processes at Hydrothermal Vents:Microbes and Minerals, Bioenergetics, and Carbon Fluxes
Biogeochemical Processes Hydrothermal Vents Microbes Minerals Bioenergetics Carbon Fluxes
2015/7/14
Hydrothermal vents are among the most biologically active regions of the deep ocean. However, our understanding of the limits of life in this extreme environment, the extent of biogeochemical transfor...
Physical responses of small temperate lakes to variation in dissolved organic carbon concentrations
dissolved organic carbon concentrations lakes
2014/4/2
We used a mechanistic physical model to examine the effect of variability in dissolved organic carbon (DOC)
concentrations on the physical properties of small temperate lakes. The model was validated...
Sensitivity of Antarctic phytoplankton species to ocean acidification: Growth, carbon acquisition, and species interaction
Growth carbon acquisition species interaction
2014/4/2
Despite the fact that ocean acidification is considered to be especially pronounced in the Southern Ocean, little
is known about CO2
-dependent physiological processes and the interactions of Antarc...
Dissolved carbon dioxide concentration controls baseline stable carbon isotope signatures of a lake food web
Dissolved carbon dioxide concentration controls baseline stable carbon isotope signatures a lake food web
2014/4/3
Temporal variation in the baseline stable carbon isotope (d13C) value of a well-studied, productive lake was examined over a 26-yr period using archived samples of the herbivorous zooplankterDaphnia g...
Cyanobacteria as a carbon source for zooplankton in eutrophic Lake Taihu, China, measured by13 C labeling and fatty acid biomarkers
Cyanobacteria carbon source for zooplankton eutrophic Lake Taihu, China, measured 13 C labeling fatty acid biomarkers
2014/4/3
Using a combined stable-isotope and fatty-acid approach, we examined carbon-transfer routes from thecyanobacteriumMicrocystisto zooplankton in eutrophic Lake Taihu, China.Microcystisis generally consi...
Mineralization pathways in lake sediments with different oxygen and organic carbon supply
Mineralization pathways lake sediments different oxygen organic carbon supply
2014/4/17
The intensity and pathways of mineralization of sedimentary organic matter were investigated in eutrophic Lake Zug, Switzerland. In a depth transect (25–180 m) from oxic to anoxic bottom water we reco...
Carbon cycling within epilithic biofilm communities across a nutrient gradient of headwater streams
Carbon cycling within epilithic biofilm communities across a nutrient gradient headwater streams
2014/4/17
Primary production (PP), nutrient uptake, and carbon (C) cycling within epilithic biofilm communities were assessed in four headwater streams in the Arkansas Ozarks, U.S.A., representing a hundred-fol...
Carbon isotope composition of fatty acids and sterols in the scleractinian coral Turbinaria reniformis: Effect of light and feeding
Carbon isotope composition fatty acids sterols the scleractinian coral Turbinaria reniformis: Effect of light and feeding
2014/4/17
The effect of auto- and heterotrophy on the carbon isotope composition (d13C) of fatty acids (FA) and sterols was studied in the scleractinian coralTurbinaria reniformis. Colonies were maintained in a...
Organic carbon burial efficiency in lake sediments controlled by oxygen exposure time and sediment source
Organic carbon burial efficiency lake sediments controlled oxygen exposure time sediment source
2014/4/17
We compared the burial efficiency of organic carbon (buried OC : depositedOC) in a diverse set of 27 different sediments from 11 lakes, focusing on the potential effects of organic matter source, oxyg...
The role of net community production in air–sea carbon fluxes at the North Pacific subarctic–subtropical boundary region
air–sea carbon fluxes net community production
2014/4/17
The North Pacific subarctic–subtropical boundary region is an important sink for atmospheric CO2
, with high
annual influx relative to surrounding waters and large seasonal variability. The location...