نتایج جستجو برای: burial experiment

تعداد نتایج: 456358  

2015
Alberto Malinverno Ernesto A. Martinez

The degradation of sedimentary particulate organic carbon (POC) is a key carbon cycle process that fuels the deep subseafloor biosphere. The reactivity of POC is expected to decrease with increasing sediment age, severely restricting the energy available to microorganisms. Conversely, increasing temperatures during burial have been proposed to stimulate POC degradation, possibly supplying signi...

Journal: :Science 2012
Itay Halevy Shanan E Peters Woodward W Fischer

The sulfur cycle influences the respiration of sedimentary organic matter, the oxidation state of the atmosphere and oceans, and the composition of seawater. However, the factors governing the major sulfur fluxes between seawater and sedimentary reservoirs remain incompletely understood. Using macrostratigraphic data, we quantified sulfate evaporite burial fluxes through Phanerozoic time. Appro...

2008
Michaela Vaňharová Eva Drozdová

The aim of this study was to determine the sex by means of modern molecular genetic methods of children and immature individuals from the 4000 years old Eneolithic burial site “Hoštice 1 za Hanou” of the Bell-Beaker people, in central Moravia (Czech Republic). While the anthropological approach was in this case limited either by the state of preservation of the skeletal remains or simply by abs...

2016
Selvaraj Kandasamy Bejugam Nagender Nath

Citation: Kandasamy S and Nagender Nath B (2016) Perspectives on the Terrestrial Organic Matter Transport and Burial along the Land-Deep Sea Continuum: Caveats in Our Understanding of Biogeochemical Processes and Future Needs. Front. Mar. Sci. 3:259. doi: 10.3389/fmars.2016.00259 Perspectives on the Terrestrial Organic Matter Transport and Burial along the Land-Deep Sea Continuum: Caveats in Ou...

2009
B. Mafart

The first metatarsal bones (FMBs) are often better preserved than tibias in archeological samples. The aim of this study was to test the possibility of performing Harris lines studies on FMBs as stress markers instead of tibias. The Harris lines in 264 FMBs from a historic French burial site dating back to two burial periods were studied and compared with the Harris lines in FMBs from 4 histori...

2006
C. P. Slomp

Introduction Conclusions References Tables Figures Back Close Full Screen / Esc Abstract Introduction Conclusions References Tables Figures Back Close Full Screen / Esc Printer-friendly Version Interactive Discussion EGU Abstract A new mass balance model for the coupled marine cycles of phosphorus (P) and carbon (C) is used to examine the relationships between oceanic circulation, primary produ...

2013
Ha Kyung Joung Sang Ha Han Su-Jung Park Weon-Hwa Jheong Tae Seok Ahn Joong-Bok Lee Yong-Seok Jeong Kyung Lib Jang Gyu-Cheol Lee Ok-Jae Rhee Jeong-Woong Park Soon Young Paik

Widespread outbreaks of foot-and-mouth disease and avian influenza occurred in South Korea during 2010. In response to the culling of many animals to attenuate the spread of disease, South Korea used mass burial sites to dispose of the large number of carcasses; consequently, concerns about groundwater contamination by leachate from these burial sites are increasing. Groundwater is one of the m...

Journal: :Wilderness & environmental medicine 2010
Christopher Van Tilburg

Non-avalanche-related snow immersion death (NARSID), or snow immersion asphyxiation, is a significant winter mountain hazard for skiers and snowboarders. This phenomenon occurs predominately in western North America, where large tree wells and deep snowpacks develop. Although statistics are difficult to procure, snow immersion asphyxiation has resulted in more than 70 documented deaths in the p...

2017
Qiuying Han Tjeerd J. Bouma Fernando G. Brun Wouter Suykerbuyk Marieke M. van Katwijk

Dynamic environments like seagrass habitats are characterised by continuous local erosion and burial processes, which may induce seagrass decline if disturbances become too intense or frequent. We aim to quantify for Zostera noltii the resilience of both the edge of a meadow and individual propagules to local-scale burial and erosion events. In a set of mesocosm and in situ manipulation experim...

2015
Roy H. Wilkens

The ultimate long-term goal of the ONR Mine Burial Prediction (MBP) program is the development of mine burial probability models that incorporate dynamic coupled processes, seafloor material properties, and different mine types. A second major thrust is on short-term applied research that will provide Fleet Aids for the operational Navy. The short-term effort will provide the operational Navy w...

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