نتایج جستجو برای: burial depth

تعداد نتایج: 165358  

Journal: :Atmosphere 2023

Landfill gas generated by municipal solid waste (MSW) landfills is the world’s third largest source of greenhouse emissions. Additionally, accumulation landfill in piles can trigger instability piles. Based on exponential distribution pattern variation permeability coefficients with burial depth measured situ, this paper presents an analytical solution for gas-pressure that more line on-site co...

Journal: :Frontiers in Environmental Science 2023

A geometric theory was developed to explain the empirical relationship between carbon burial and lake shape in boreal lakes. The key feature of this model is an attenuation length scale, analogous models marine organic fluxes. This scale ratio how fast displaced vertically versus it respired engenders a simple with single easily constrained free parameter. Lake depths are modeled based on fract...

Journal: :Forensic science international 2015
Carlos Martin Molina Jamie K Pringle Miguel Saumett Orlando Hernández

In most Latin American countries there are significant numbers of missing people and forced disappearances, 68,000 alone currently in Colombia. Successful detection of shallow buried human remains by forensic search teams is difficult in varying terrain and climates. This research has created three simulated clandestine burial styles at two different depths commonly encountered in Latin America...

2017
Michael A.L. Hayashi Marisa C. Eisenberg

Background: The 2014 Ebola outbreak in West Africa was the largest on record, resulting in over 25,000 total infections and 15,000 total deaths. Mathematical modeling can be used to investigate the mechanisms driving transmission during this outbreak – in particular, burial practices appear to have been major source of infections. Methodology/Principal Findings: We developed a multi-stage model...

2015
Meagan N Schrandt Kenneth L Heck José Luis Sánchez-Lizaso

Sedimentation and burial affect a variety of habitats worldwide, especially within coastal marine systems. In the Mediterranean, seagrasses like Cymodocea nodosa are commonly subjected to sedimentation and, although the response of C. nodosa has been documented, few studies have included macrofaunal responses. We used a manipulative field experiment to examine the effects of a single small-scal...

Journal: :Energies 2022

The cement sheath is an annular structure between casing and formation, which crucial to the integrity of wellbore system. Considering that temperature pressure environment changing continuously with increasing burial depth, micro-structure macro=mechanical properties in-situ will change accordingly. To investigate variation depth on evolution tensile mechanical behavior oil stone, five tempera...

2011
Susan D. Gillespie

At Chalcatzingo, Mexico, an early regional center, the common location for burials was under house floors, but some high-status burials occurred in more open spaces. These latter were also residential burials, interred within the landed domain of social units. Although both “inside” and “outside” burials drew on claims of ancestral continuity, it is important to explore the differences they ent...

2017
Jinjin Xu Yanfei Wei Hanqing Jia Lin Xiao Decai Gong

Burial conditions play a crucial role in archaeological heritage preservation. Especially, the microorganisms were considered as the leading causes which incurred degradation and vanishment of historic materials. In this article, we analyzed bacterial diversity and community structure from M1 of Wangshanqiao using 16 S rRNA gene amplicon sequencing. The results indicated that microbial communit...

2017
Xinsheng Chen Yulin Liao Yonghong Xie Feng Li Zhengmiao Deng Zhiyong Hou Chao Wu

Clonal plants producing both clumping and spreading ramets can adjust their growth forms in response to resource heterogeneity or environmental stress. They might produce clumping ramets to retain favorable patches, or produce spreading ramets to escape from stress-affected patches. This study aimed to investigate the rarely reported concurrent effects of sediment accretion and nutrient enrichm...

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