Bibliographies thématiques / Terrestrial debris

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Littérature scientifique sur le sujet « Terrestrial debris »

Auteur : Grafiati

Publié le 2 juin 2025

Mis à jour le 31 juillet 2025

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Articles de revues sur le sujet "Terrestrial debris"

Najita, Joan R., and Scott J. Kenyon. "Takeout and Delivery: Erasing the Dusty Signature of Late-stage Terrestrial Planet Formation." Astrophysical Journal 944, no. 2 (2023): 125. http://dx.doi.org/10.3847/1538-4357/acac8f.

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Abstract The formation of planets like Earth is expected to conclude with a series of late-stage giant impacts that generate warm dusty debris, the most anticipated visible signpost of terrestrial planet formation in progress. While there is now evidence that Earth-sized terrestrial planets orbit a significant fraction of solar-type stars, the anticipated dusty debris signature of their formation is rarely detected. Here we discuss several ways in which our current ideas about terrestrial planet formation imply transport mechanisms capable of erasing the anticipated debris signature. A tenuous

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Raymond, Sean N., Philip J. Armitage, Amaya Moro-Martín, et al. "The debris disk – terrestrial planet connection." Proceedings of the International Astronomical Union 6, S276 (2010): 82–88. http://dx.doi.org/10.1017/s1743921311019983.

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AbstractThe eccentric orbits of the known extrasolar giant planets provide evidence that most planet-forming environments undergo violent dynamical instabilities. Here, we numerically simulate the impact of giant planet instabilities on planetary systems as a whole. We find that populations of inner rocky and outer icy bodies are both shaped by the giant planet dynamics and are naturally correlated. Strong instabilities – those with very eccentric surviving giant planets – completely clear out their inner and outer regions. In contrast, systems with stable or low-mass giant planets form terres

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Levy, Joseph S., Caleb I. Fassett, John W. Holt, et al. "Surface boulder banding indicates Martian debris-covered glaciers formed over multiple glaciations." Proceedings of the National Academy of Sciences 118, no. 4 (2021): e2015971118. http://dx.doi.org/10.1073/pnas.2015971118.

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Glacial landforms, including lobate debris aprons, are a global water ice reservoir on Mars preserving ice from past periods when high orbital obliquity permitted nonpolar ice accumulation. Numerous studies have noted morphological similarities between lobate debris aprons and terrestrial debris-covered glaciers, an interpretation supported by radar observations. On Earth and Mars, these landforms consist of a core of flowing ice covered by a rocky lag. Terrestrial debris-covered glaciers advance in response to climate forcing driven by obliquity-paced changes to ice mass balance. However, on

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Genda, H., H. Kobayashi, and E. Kokubo. "Giant Impacts and Debris Disks." Proceedings of the International Astronomical Union 8, S293 (2012): 270–72. http://dx.doi.org/10.1017/s1743921313012969.

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AbstractDuring the last stage of terrestrial planet formation, Mars-sized protoplanets often collides with each other. Our high-resolution impact simulations show that such giant impacts produce a significant amount of fragments within the terrestrial planet region. These ejected fragments form a hot debris disk around the central star. We calculated the evolution of the surface density and size distribution of the debris disk using the analytical model of collision disruption, and estimated its infrared excess emission. We found that 24 μm flux from the debris disk is higher than stellar flux

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Knight, Peter G., Richard I. Waller, Carrie J. Patterson, Alison P. Jones, and Zoe P. Robinson. "Discharge of debris from ice at the margin of the Greenland ice sheet." Journal of Glaciology 48, no. 161 (2002): 192–98. http://dx.doi.org/10.3189/172756502781831359.

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AbstractSediment production at a terrestrial section of the ice-sheet margin in West Greenland is dominated by debris released through the basal ice layer. The debris flux through the basal ice at the margin is estimated to be 12–45 m3 m−1 a−1. This is three orders of magnitude higher than that previously reported for East Antarctica, an order of magnitude higher than sites reported from in Norway, Iceland and Switzerland, but an order of magnitude lower than values previously reported from tidewater glaciers in Alaska and other high-rate environments such as surging glaciers. At our site, onl

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Raymond, S. N., P. J. Armitage, A. Moro-Martín, et al. "Debris disks as signposts of terrestrial planet formation." Astronomy & Astrophysics 530 (May 12, 2011): A62. http://dx.doi.org/10.1051/0004-6361/201116456.

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Kenyon, Scott J., and Benjamin C. Bromley. "Detecting the Dusty Debris of Terrestrial Planet Formation." Astrophysical Journal 602, no. 2 (2004): L133—L136. http://dx.doi.org/10.1086/382693.

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Raymond, S. N., P. J. Armitage, A. Moro-Martín, et al. "Debris disks as signposts of terrestrial planet formation." Astronomy & Astrophysics 541 (April 19, 2012): A11. http://dx.doi.org/10.1051/0004-6361/201117049.

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Lindo, Zoë. "Transoceanic dispersal of terrestrial species by debris rafting." Ecography 43, no. 9 (2020): 1364–72. http://dx.doi.org/10.1111/ecog.05155.

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Jun, Byong-Hee. "Numerical Simulation of the Topographical Change in Korea Mountain Area by Intense Rainfall and Consequential Debris Flow." Advances in Meteorology 2016 (2016): 1–11. http://dx.doi.org/10.1155/2016/9363675.

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The objectives of this study are to simulate the topographical changes associated with rainfall and the consequential debris flow using terrestrial LiDAR (Light Detection And Ranging). Three rainfall events between July 9 and July 14, 2009, triggered a number of debris flows at Jecheon County in Korea. Rain fell at a rate of 64 mm/h, producing 400 mm of total accumulation during this period. Tank simulation model for SWI (Soil Water Index) estimated the water stored beneath the ground and debris flow occurrence in study area. For the LiDAR (Light Detection and Ranging) survey, the terrestrial

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Thèses sur le sujet "Terrestrial debris"

Meng, Huan. "Characterizing Terrestrial Planet Formation with Young Debris Disks." Diss., The University of Arizona, 2014. http://hdl.handle.net/10150/556021.

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This work is focused on the formation of terrestrial planets. To determine the behavior of planetary debris disks in the era of terrestrial planet formation, first we study 15 young clusters and associations with ages up to ~40 Myr. By adopting a threshold in relative excess at the phenomenological boundary between protoplanetary and debris disks, we find that the incidence of qualifying disks decays in the first 10 Myr, remains nearly constant between 10 and 25 Myr, and then continues to decline. Next, from the archival Spitzer data, we find that two disks around solar-like stars, ID8 in NGC

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Gustafsson, Pär. "Forest – stream linkages : Brown trout (Salmo trutta) responses to woody debris, terrestrial invertebrates and light." Doctoral thesis, Karlstads universitet, Avdelningen för biologi, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:kau:diva-6731.

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Forests surrounding streams affect aquatic communities in numerous ways, contributing to energy fluxes between terrestrial and lotic ecosystems. The five papers in this thesis focus on woody debris, terrestrial invertebrates and light, three factors influenced by riparian zone structure, potentially affecting streams and brown trout (Salmo trutta). The individual strength of these stressors and their interactions with each other are not well studied, and their qualitative effects may differ both spatially and temporally as well as with the size-structure of specific fish populations. Using a c

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Winter, Kate. "Englacial stratigraphy, debris entrainment and ice sheet stability of Horseshoe Valley, West Antarctica." Thesis, Northumbria University, 2016. http://nrl.northumbria.ac.uk/31620/.

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Despite the importance of ice streaming to the evaluation of West Antarctic Ice Sheet (WAIS) stability, we know little about mid-to long term changes in grounding line migration, ice streaming and ice accumulation in the upper Institute Ice Stream (IIS) catchment. In this thesis ground penetrating radar (GPR) and airborne radio-echo sounding (RES) methods have been employed to investigate the subglacial topography, internal stratigraphy and Holocene flow regime of the upper IIS catchment, in and around Horseshoe Valley. High resolution step-andcollect mode GPR was employed to assess the contin

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Schmid, Amy V. "Coarse Woody Debris and the Carbon Balance of a Moderately Disturbed Forest." VCU Scholars Compass, 2015. http://scholarscompass.vcu.edu/etd/3777.

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Landscapes are comprised of multiple ecosystems shaped by disturbances varying in severity and source. Moderate disturbance from weather, pathogens, insects, and age-related senescence, in contrast to severe disturbances that fell trees, may increase standing woody debris and alter the contribution of coarse woody debris (CWD) to total ecosystem respiration (RE). However, woody debris dynamics are rarely examined following moderate disturbances that substantially increase standing dead wood stocks. We used an experimental manipulation of moderate disturbance in an upper Great Lakes forest to:

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Dahlström, Niklas. "Function and dynamics of woody debris in boreal forest streams." Doctoral thesis, Umeå University, Ecology and Environmental Science, 2005. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-425.

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<p>The work in this thesis deals with (1) the effects of woody debris on stream channel morphology and retention of organic material, and (2) the dynamics of woody debris and its relation to riparian forest history and composition. The studied stream reaches are situated in mature, productive forests in the boreal zone of Sweden.</p><p>Wood variables were important predictors of the frequency of debris dams, pool area, the proportion of pools formed by wood, and variation in the bankfull channel width. Pools formed by woody debris were mainly created by damming and had larger surface areas and

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Zhao, Tao. "Investigation of landslide-induced debris flows by the DEM and CFD." Thesis, University of Oxford, 2014. http://ora.ox.ac.uk/objects/uuid:316cb3fc-dfc6-4e5a-bc0d-298e298c9c5b.

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In recent years, the increasing impacts of landslide hazards on human lives and lifeline facilities worldwide has advanced the necessity to find out both economically acceptable and useful techniques to predict the occurrence and destructive power of landslides. Though many projects exist to attain this goal, the current investigation set out to establish an understanding of the initiation and propagation mechanisms of landslides via numerical simulations, so that mitigation strategies to reduce the long-term losses from landslide hazards can be made. In this research, the Discrete Element Met

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McCarley, Justin Craig. "Using Repeat Terrestrial Laser Scanning and Photogrammetry to Monitor Reactivation of the Silt Creek Landslide in the Western Cascade Mountains, Linn County, Oregon." Thesis, Portland State University, 2018. http://pqdtopen.proquest.com/#viewpdf?dispub=10748247.

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<p> Landslides represent a serious hazard to people and property in the Pacific Northwest. Currently, the factors leading to sudden catastrophic failure vs. gradual slow creeping are not well understood. Utilizing high-resolution monitoring techniques at a sub-annual temporal scale can help researchers better understand the mechanics of mass wasting processes and possibly lead to better mitigation of their danger. This research used historical imagery analysis, precipitation data, aerial lidar analysis, Structure from Motion (SfM) photogrammetry, terrestrial laser scanning (TLS), and hydrologi

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Berglund, Håkan. "Biodiversity in fragmented boreal forests : assessing the past, the present and the future." Doctoral thesis, Umeå University, Ecology and Environmental Science, 2004. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-220.

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<p>The aims of this thesis are to (1) analyze the predictability (indicators) of plant and fungal species diversity in old-growth forests, and (2) assess the history and biodiversity of woodland key habitats (WKHs) and their potential to maintain species diversity in fragmented boreal forest landscapes. </p><p>Predictability was explored in Granlandet nature reserve, an unexploited landscape composed of discrete old-growth Picea forest patches of varying size isolated by wetland, reflecting conditions of insular biota at stochastic equilibrium. Data from 46 patches (0.2-12 ha) showed that most

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Dallavalle, Daniele. "Flussi granulari in laboratorio e sul campo: rilievo 3-dimensionale dinamico mediante tecniche fotogrammetriche terrestri." Doctoral thesis, Università degli studi di Padova, 2014. http://hdl.handle.net/11577/3423837.

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The topic about which the research was developed is the study of some aspects of the dynamics of granular masses. The study was conducted simultaneously in the laboratory and in the field. In the laboratory, the aim was to investigate the experimental photogrammetric surveying techniques, with a view to their application in the field and in favor of a use for the calibration of mathematical and numerical dynamic models. In the field, the goal was to give continuity to the research activity at a debris flows dolomite site, already studied in the recent past, and to evolve the tec

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Grilliot, Michael J. "The role of large woody debris on sandy beach-dune morphodynamics." Thesis, 2019. http://hdl.handle.net/1828/10804.

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Coastal foredune evolution involves complex processes and controls. Although a great deal is known about the effects of vegetation cover, moisture, and fetch distance on sediment supply, and of topographic forcing on airflow dynamics, the role of large woody debris (LWD) as a modulator of sediment supply and a control on foredune growth is understudied. Large assemblages of LWD are common on beaches near forested watersheds and collectively have a degree of porosity that increases aerodynamic roughness and provides substantial sand trapping volume. To date, no research has attempted to underst

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Chapitres de livres sur le sujet "Terrestrial debris"

"Space Debris." In Terrestrial and Extraterrestrial Space Dangers: Outer Space Perils, Rocket Risks and the Health Consequences of the Space Environment, edited by Dirk C. Gibson. BENTHAM SCIENCE PUBLISHERS, 2015. http://dx.doi.org/10.2174/9781608059911115010007.

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Fetherston, Kevin L., Robert J. Naiman, and Robert E. Bilby. "Large woody debris, physical process, and riparian forest development in montane river networks of the Pacific Northwest." In Biogeomorphology, Terrestrial and Freshwater Systems. Elsevier, 1995. http://dx.doi.org/10.1016/b978-0-444-81867-6.50013-7.

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Singh, Bhupinder, Sahil Lal, Manmeet Kaur Arora, and Christian Kaunert. "Mounting Legal-Driven Solutions for Plastic Pollution Focusing on Environment and Coastal Management." In Advances in Environmental Engineering and Green Technologies. IGI Global, 2024. http://dx.doi.org/10.4018/979-8-3693-9163-1.ch011.

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The growing danger of plastic pollution and its catastrophic effects on marine ecosystems highlight the pressing need for creative approaches to water governance as well as a thorough legal framework. Marine pollution comprises a mixture of chemicals and debris, primarily originating from terrestrial sources and finding its way into the ocean through runoff or wind dispersion. Also, the typical forms of marine debris encompass a range of plastic items such as shopping bags, beverage bottles, cigarette butts, bottle caps, food wrappers and fishing gear. In line with the objectives of Sustainabl

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John de los Santos, Kingsley, Mark S. Calabon, and Resurreccion B. Sadaba. "Plastics in Coastal Ecosystems: Evaluation of Anthropogenic Marine Debris Pollution." In Advances in Coastal Ecology - Processes, Patterns, and Services [Working Title]. IntechOpen, 2024. http://dx.doi.org/10.5772/intechopen.1007708.

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Coastal ecosystems are often overlooked sinks of anthropogenic marine debris (AMD), persistent human-made materials with sizes ranging from 1 mm to 1 m which are mostly plastics. Although serving as transition zones between terrestrial and marine environments, the degree and extent of plastic pollution in coastal environments remains understudied. The chapter will discuss the background and history, composition, sources, and endpoints of AMD. Its spatiotemporal variabilities will be presented with case studies together with other related discoveries in coastal plastic pollution. The impacts of

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Reiss, D., E. Hauber, H. Hiesinger, et al. "Terrestrial gullies and debris-flow tracks on Svalbard as planetary analogs for Mars." In Analogs for Planetary Exploration. Geological Society of America, 2011. http://dx.doi.org/10.1130/2011.2483(11).

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Das, Srinjoy, Debashmita Mandal, and Kaustav Chakraborty. "Impact of plastic pollution on faunal survival with probable sustainable solutions." In A Basic Overview of Environment and Sustainable Development [Volume 2], 2nd ed. International Academic Publishing House (IAPH), 2023. http://dx.doi.org/10.52756/boesd.2023.e02.017.

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Every day, millions of tons of plastic waste are produced by humans which causes severe impacts on our ecosystem and biodiversity. Nowadays plastic is the main anthropogenic waste material globally due to irrational production, inappropriate and unscientific disposal, and inadequate recycling management of plastic. As a result, the fauna of the terrestrial and aquatic ecosystems both are in danger of plastic pollution. Birds are an important part of our biodiversity and they are affected by plastic pollution. Nowadays, birds use plastic debris for different purposes which ultimately causes the

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Singh, Bhupinder, Christian Kaunert, and Gursahib Singh. "Scaling Legal Framework for Plastic Pollution and Advancing Cutting Edge Water Governance." In Advances in Environmental Engineering and Green Technologies. IGI Global, 2024. http://dx.doi.org/10.4018/979-8-3693-9163-1.ch010.

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The growing danger of plastic pollution and its catastrophic effects on marine ecosystems highlight the pressing need for creative approaches to water governance as well as a thorough legal framework. Marine pollution comprises a mixture of chemicals and debris, primarily originating from terrestrial sources and finding its way into the ocean through runoff or wind dispersion. This contamination leads to adverse effects on the environment, the well-being of various organisms and the global economic structures. The significant factors such as- littering, storm winds and inadequate waste managem

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Singh, Sudarshan, and Warangkana Chunglok. "Potential Application of Biopolymers as Biodegradable Plastic." In Biopolymers Towards Green and Sustainable Development. BENTHAM SCIENCE PUBLISHERS, 2022. http://dx.doi.org/10.2174/9789815079302122010009.

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Today, on average, we produce yearly about 300 million tons of plastic waste, equivalent to the entire human population weight around the globe. The singleuse plastics and plastic products are produced using high molecular weight polymers in combination with additives that could not be completely reprocessed. So far, only 9% of overall plastic waste produced has been recycled and around 12% has been incinerated while the remaining 79% has been accumulated as debris in terrestrial and aquatic environments. Biodegradability and recycling of plastics depend on various physicochemical properties i

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Yousuf, Sufiara, Nafiaah Naqash, and Rahul Singh. "Nutrient Cycling: An Approach for Environmental Sustainability." In Environmental Microbiology: Advanced Research and Multidisciplinary Applications. BENTHAM SCIENCE PUBLISHERS, 2022. http://dx.doi.org/10.2174/9781681089584122010007.

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Nutrient cycling is an important environmental process and has been the focus of ecological research. Nutrient cycling refers to the sufficient supply of key elements provided through the ecological processes within and between various biotic or abiotic components of a cell, community, or ecosystem. Nutrient cycling also includes the recovery and reuse of industrial, agricultural, and municipal organic debris that are considered wastes. Nutrient cycles include biotic and abiotic components involved in biological, geological, and chemical processes known as biogeochemical cycles. Changes occurr

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Barendregt, R. W., J. V. Matthews, V. Behan-Pelletier, et al. "Biostratigraphy, Age, and Paleoenvironment of the Pliocene Beaufort Formation on Meighen Island, Canadian Arctic Archipelago." In Biostratigraphy, Age, and Paleoenvironment of the Pliocene Beaufort Formation on Meighen Island, Canadian Arctic Archipelago. Geological Society of America, 2021. http://dx.doi.org/10.1130/2021.2551(01).

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ABSTRACT Meighen Island, in the Canadian Arctic Archipelago, is one of the most important localities for study of the late Neogene Beaufort Formation because of the presence of marine sediments interbedded with terrestrial fossiliferous sands. The stratigraphic succession, fossils from the marine beds, correlation with reconstructions of sea level, and paleomagnetic data from the Bjaere Bay region of the island suggest that the Beaufort Formation on Meighen Island was likely deposited either at 3.2–2.9 Ma or during two intervals at ca. 4.5 Ma and 3.4 Ma. The exposed Beaufort Formation on Meigh

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Actes de conférences sur le sujet "Terrestrial debris"

Terui, Fuyuto, Heihachiro Kamimura, and Shin'ichiro Nishida. "Terrestrial experiments for the motion estimation of a large space debris object using image data." In Optics East 2005, edited by David P. Casasent, Ernest L. Hall, and Juha Röning. SPIE, 2005. http://dx.doi.org/10.1117/12.630467.

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Veysset, David, Yuchen Sun, Steven E. Kooi, and Keith A. Nelson. "Laser-Driven High-Velocity Microparticle Launcher In Atmosphere And Under Vacuum." In 2019 15th Hypervelocity Impact Symposium. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/hvis2019-127.

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Abstract The study of high-velocity microparticles is important to a wide range of both space and terrestrial applications. In space, high- and hyper-velocity micro-debris and micrometeorites, while also a subject of study, pose a threat to equipment and personnel integrity [1–4]. On earth, high-velocity microparticle impact can be, for instance, utilized for therapeutic purposes in the field of biolistics [5] or to build metallic coatings via the cold spray method [6]. While macroscale projectile impacts have been studied using well established experimental tools, such as light-gas guns, opti

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Bosch, Rachel, Aaron Bird, Dylan J. Ward, et al. "RECONSTRUCTION OF A PALEO DEBRIS FLOW EVENT IN A LIMESTONE CAVE USING FIELD WORK, TERRESTRIAL LIDAR, AND CFD SIMULATION." In GSA Annual Meeting in Phoenix, Arizona, USA - 2019. Geological Society of America, 2019. http://dx.doi.org/10.1130/abs/2019am-340310.

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Kumar, V. Sudhir, Balamurugan R, Thejasree Pasupuleti, and Manikandan Natarajan. "Design, Modelling and Simulation of Adaptable Marine and Terrestrial Cleaner." In International Conference on Advances in Design, Materials, Manufacturing and Surface Engineering for Mobility. SAE International, 2023. http://dx.doi.org/10.4271/2023-28-0165.

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<div class="section abstract"><div class="htmlview paragraph">An oil spill refers to the accidental or deliberate release of petroleum or other petroleum-based products into the environment. These spills can occur on land or in water bodies, such as oceans, rivers, or lakes, and can have devastating impacts on the environment, wildlife, and human health. Oil spills can harm aquatic and terrestrial ecosystems by contaminating water and soil, and by affecting the food chain. They can also cause economic losses, such as the loss of fisheries, tourism, and property values. Cleaning up

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Pshenichnov, D., and Elena Maklakova. "The impact of plastic on the ecosystem of the seas and oceans." In SCIENCE TRANSFORMS REALITY – 2024. FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov, 2024. http://dx.doi.org/10.58168/reality2024_217-221.

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Plastic pollution poses a serious threat to marine and oceanic ecosystems around the world. The constant accumulation of plastic debris by humans in water systems leads to direct or indirect damage to the structure, functioning and value of these systems. The sources of these toxic substances are both terrestrial and marine sources, which carry pollution into the ocean in various forms. The purpose of this article is to highlight various aspects of the problem of plastic pollution of marine and oceanic spaces. Plastic pollution is present in the ecosystem in various shapes and sizes, including

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Wylie, Mark, and Leonardo Barilaro. "An investigation into cold weld adhesion for spacecraft repair after a space debris impact using space education based sub-orbital sounding rocket platform." In Symposium on Space Educational Activities (SSAE). Universitat Politècnica de Catalunya, 2022. http://dx.doi.org/10.5821/conference-9788419184405.016.

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It has been observed that similar metallic materials, when in contact and undergoing relative displacements, can fuse or weld. In standard atmospheric conditions it is not common but in the space environment the inability of the surface interfaces to re-oxide after abrasive contact is hindered, atomic diffusion of the metal occurs, and this can lead to fusion. Oscillatory motion and Hertzian contact stress between the two surfaces plays a major role in the strength of the cold welded joint. It has been shown that the action of a low fretting load can almost double the adhesion force under cycl

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Wang, Jin, Zhangdong Jin, Fei Zhang, and Xiaojuan Feng. "Impacts of earthquake and debris flow on the erosion of terrestrial organic carbon in the eastern margin of the Tibetan Plateau: Insight from biomarkers." In Goldschmidt2022. European Association of Geochemistry, 2022. http://dx.doi.org/10.46427/gold2022.10859.

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Cline, Christopher J., Eric Christiansen, Robert McCandless, Joshua Miller, Bruce Alan Davis, and Jesus Resendez. "Preliminary Experimental Investigation of Multi-Shock Shield Performance Against Meteoritic and Other Lithic Projectiles." In 2024 17th Hypervelocity Impact Symposium. American Society of Mechanical Engineers, 2024. https://doi.org/10.1115/hvis2024-025.

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Abstract Introduction Micrometeoroid and orbital debris (MMOD) populations can vary significantly in composition, density, and homogeneity. Hypervelocity testing campaigns intended to optimize MMOD shielding are recognizing the need to launch impactors that span a range of densities, such as nylon, Al, Al2O3, steel, and copper, to capture the diverse extent of impactor densities [1 and 2]. These tests, however, pre-dominantly employ spherical and homogenous projectile materials. Adding composition-al/mineralogical complexity to the projectile, such as what could be expected from a micrometeoro

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Schröder, Daniel, Katharina Anders, Lukas Winiwarter, and Daniel Wujanz. "Permanent terrestrial LiDAR monitoring in mining, natural hazard prevention and infrastructure protection – Chances, risks, and challenges: A case study of a rockfall in Tyrol, Austria." In 5th Joint International Symposium on Deformation Monitoring. Editorial de la Universitat Politècnica de València, 2022. http://dx.doi.org/10.4995/jisdm2022.2022.13649.

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The objective of this work is the development of an integrated monitoring service for the identification and evaluation of ground surface and slope movements in the context of coal mining, the prevention of natural hazards and protection of infrastructure. The focus is set on the integration of a long-range terrestrial laser scanner into a continuous monitoring system from an engineering geodetic point of view. In the Vals valley in Tyrol, a permanently installed laser scanner was successfully operated via a web portal to monitor surface processes in the area of rockfall debris on a high-mount

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Kochel, R. Craig, Jeffrey M. Trop, Robert W. Jacob, et al. "MORPHOLOGY, DEPOSITIONAL PACE, AND ICE VOLUME CONTRIBUTION OF ICY DEBRIS FANS TO MCCARTHY CREEK GLACIER, WRANGELL MOUNTAINS, ALASKA (2013-2015): AN INTEGRATED APPROACH USING FIELD OBSERVATIONS, TIME-LAPSE AND DRONE IMAGERY, GROUND PENETRATING RADAR, AND TERRESTRIAL LASER SCANNING." In 113th Annual GSA Cordilleran Section Meeting - 2017. Geological Society of America, 2017. http://dx.doi.org/10.1130/abs/2017cd-292549.

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Rapports d'organisations sur le sujet "Terrestrial debris"

Walker, David, Craig Baker-Austin, Andy Smith, et al. A critical review of microbiological colonisation of nano- and microplastics (NMP) and their significance to the food chain. Food Standards Agency, 2022. http://dx.doi.org/10.46756/sci.fsa.xdx112.

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Microplastics are extremely small mixed shaped plastic debris in the environment. These plastics are manufactured (primary microplastics) or formed from the breakdown of larger plastics once they enter the terrestrial, freshwater and marine environments (secondary microplastics). Over time, a combination of physical, photochemical and biological processes can reduce the structural integrity of plastic debris to produce microplastics and even further to produce nanoplastics. NMPs have been detected in both the aquatic and terrestrial environments and can be easily spread by water, soil and air

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Biek, Robert F., Peter D. Rowley, and David B. Hacker. Utah’s Ancient Mega-Landslides: Geology, Discovery, and Guide to Earth’s Largest Terrestrial Landslides. Utah Geological Survey, 2022. http://dx.doi.org/10.34191/c-132.

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Southwest Utah contains what may be the largest landslide complex on land in the world. This complex includes three ancient side-by-side gigantic slides that cover an area roughly the size of Yellowstone National Park with a volume of slide debris that would nearly fill the Grand Canyon to its rim. Geologists call it the Marysvale gravity slide complex— “Marysvale” for the namesake volcanic field that partly failed catastrophically three separate times, and “gravity slide” to call attention to a special class of extremely large and geologically complex landslides several tens to thousands of s

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David, Gabrielle C. L., Patrick H. Trier, Ken M. Fritz, et al. National Ordinary High Water Mark Field Delineation Manual for Rivers and Streams : Interim Version. U.S. Army Engineer Reseach and Development Center, 2022. http://dx.doi.org/10.21079/11681/46102.

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The ordinary high water mark (OHWM) defines the lateral extent of nontidal aquatic features in the absence of adjacent wetlands in the United States. The federal regulatory definition of the OHWM, 33 CFR 328.3(c)(7), states the OHWM is “that line on the shore established by the fluctuations of water and indicated by physical characteristics such as [a] clear, natural line impressed on the bank, shelving, changes in the character of soil, destruction of terrestrial vegetation, the presence of litter and debris, or other appropriate means that consider the characteristics of the surrounding area

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David, Gabrielle, Ken Fritz, Tracie-Lynn Nadeau, et al. National Ordinary High Water Mark Field Delineation Manual for Rivers and Streams : Final Version. Engineer Research and Development Center (U.S.), 2025. https://doi.org/10.21079/11681/49526.

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The ordinary high water mark (OHWM) defines the lateral extent of non-tidal aquatic features in the absence of adjacent wetlands in the United States. The federal regulatory definition of the OHWM, 33 CFR 328.3(c)(4), states the OHWM is “that line on the shore established by the fluctuations of water and indicated by physical characteristics such as [a] clear, natural line impressed on the bank, shelving, changes in the character of soil, destruction of terrestrial vegetation, the presence of litter and debris, or other appropriate means that consider the characteristics of the surrounding are

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BACCELLI, François, Sébastien CANDEL, Guy PERRIN, and Jean-Loup PUGET. Large Satellite Constellations: Challenges and Impact. Académie des sciences, 2024. http://dx.doi.org/10.62686/3.

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The New Space Age (NewSpace) marks the advent of a new era in the use of space, characterized by the opening of space to new players, the use of new space technologies, new functionalities for satellites in orbit, and the development of satellite constellations, mainly in the fields of communications and Earth observation. These developments are underpinned by first-rate scientific and technological advances, as well as considerable public and private investment, in particular in the USA, China and, to a lesser extent, Europe. Fleets of small low- and medium-orbit satellites are replacing or c

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