Thematische Bibliographien / Northern slope

Inhaltsverzeichnis

  1. Zeitschriftenartikel
  2. Dissertationen
  3. Bücher
  4. Buchteile
  5. Konferenzberichte
  6. Berichte der Organisationen

Auswahl der wissenschaftlichen Literatur zum Thema „Northern slope“

Autor: Grafiati
Veröffentlicht am 28. Juni 2021
Zuletzt aktualisiert am 3. Februar 2022

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Zeitschriftenartikel zum Thema "Northern slope"

1

Aharonson, Oded, Maria T. Zuber, Gregory A. Neumann und James W. Head. „Mars: Northern hemisphere slopes and slope distributions“. Geophysical Research Letters 25, Nr. 24 (15.12.1998): 4413–16. http://dx.doi.org/10.1029/1998gl900057.

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2

NICHOLAS C. BROWN und TIFFANY ROBERTS BRIGGS. „SEDIMENTOLOGY OF BEACHES IN NORTHERN PALM BEACH COUNTY, FLORIDA, USA“. William Morris Davis – Revista de Geomorfologia 1, Nr. 1 (13.08.2020): 29–46. http://dx.doi.org/10.48025/issn2675-6900.v1n1.p29-46.2020.

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Beach nourishment is a common strategy for erosion mitigation that also increases coastal resilience to storm impacts, provides habitat, and supports the economy. Regulations often require that placed sediment closely match the native grain size distribution and composition, however characteristics can vary based on the borrow site. Certain sediment properties will also influence beach slope and other critical beach functions. This study evaluates the 3-dimensional sediment properties and beach morphology of nourished and non-nourished barrier island beaches in northern Palm Beach County, Florida, USA. Surveyed beach profiles were compared with predicted slope based on median grain size. The inlet-adjacent beach managed with annual placement of beneficial use of dredged materials consisted of poorly sorted coarse sand and the steepest measured slope. Sediment was progressively finer and better sorted downdrift with decreasing foreshore slopes. Although sediment near the shoreline is typically the coarsest, clasts were finer than the mid-beach location suggesting that the sampling period coincided with beach recovery and onshore sediment transport of finer material. Sediment at the surface differed from sediment at depth, likely due to the frequent introduction of sediment from various borrow areas compared to the dominance of weathered coquina at depth. The non-carbonate, siliciclastic fraction was primary quartz with few other minerals. The estimated beach slope at the location with the coarsest sediment matched the measured slope. A lower beach slope was predicted for the other locations with finer grain sizes at the shoreline that was attributed to slightly steeper slopes associated with beach accretion. Therefore, complicated spatio-temporal morphodynamics of beaches should be considered when using median grain size from only one sampling event.
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3

LEE, F. T., J. K. ODUM und J. D. LEE. „Slope Failures in Northern Vermont, USA“. Environmental & Engineering Geoscience III, Nr. 2 (01.06.1997): 161–82. http://dx.doi.org/10.2113/gseegeosci.iii.2.161.

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4

Bouma, Arnold H., und Harry H. Roberts. „Northern Gulf of Mexico continental slope“. Geo-Marine Letters 10, Nr. 4 (Dezember 1990): 177–81. http://dx.doi.org/10.1007/bf02431064.

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5

Alhadad, khaled. „HAZARD ASSESSMENT OF SLOPE FAILURES IN CONGLOMERET AT TIKRIT, NORTHERN IRAQ“. Iraqi Geological Journal 53, Nr. 1C (01.04.2020): 121–35. http://dx.doi.org/10.46717/igj.53.1c.8rx-08/03/2020.

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6

Hao, Chengyuan, Hebing Zhang und Jian Zhou. „Comparative Analysis on Soil Basic Properties Between Southern and Northern Slopes in Funiu Mountain, China“. Open Electrical & Electronic Engineering Journal 8, Nr. 1 (31.12.2014): 636–41. http://dx.doi.org/10.2174/1874129001408010636.

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The spatial variation of soil physical and chemical properties in Funiu Mountain was studied to provide references for identifying soil spatial variation mechanism in bordering land of China warm temperate zone and northern subtropical region. Using vertical gradient sampling and traditional statistics method, the soil samples at the altitude from 1640 m to 1870 m were collected to compare physical and chemical properties between south and north slopes of the Funiu Mountain. The results showed that soil pH, soil organic matter and soil total nitrogen were remarkably correlated with altitude change, but soil electrical conductivity, soil available nitrogen, available phosphors, available potassium, and total potassium were not related to altitude. With the increase of altitude, soil pH and total nitrogen increased, but soil organic matter decreased. Compared with the soil properties of northern slope in Funiu Mountain, soil acidity, electrical conductivity, and available nitrogen were higher in southern slope. Especially, the soil available nitrogen was much higher than the mean value observed in northern slope samples. The contents of soil organic matter, available phosphorus, available potassium, total nitrogen, and total potassium showed no striking difference on between southern and northern slopes. In conclusion, both altitude and slope direction significantly influenced spatial variation of soil properties in Funiu Mountain. It added to the boundary effect of Qinling Mountains, and revealled the interaction mechanism of the environmental elements such as land-climate-soil-ecosystem in Funiu Mountain.
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7

Wu, Xuemin, Qianyong Liang, Yun Ma, Yaohong Shi, Zhen Xia, Lihua Liu und Matthias Haeckel. „Submarine Landslides and their Distribution in the Gas Hydrate Area on the North Slope of the South China Sea“. Energies 11, Nr. 12 (13.12.2018): 3481. http://dx.doi.org/10.3390/en11123481.

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Integrated investigations have revealed abundant resources of gas hydrates on the northern slope of the South China Sea (SCS). Regarding the gas hydrate research of northern SCS, the gas hydrate related environment problem such as seabed landslides were also concentrated on in those areas. Based on 2D seismic data and sub-bottom profiles of the gas hydrate areas, submarine landslides in the areas of Qiongdongnan, Xisha, Shenhu, and Dongsha have been identified, characterized, and interpreted, and the geophysical characteristics of the northern SCS region investigated comprehensively. The results show 6 major landslides in the gas hydrate zone of the northern SCS and 24 landslides in the Shenhu and Dongsha slope areas of the northern SCS. The landslide zones are located mainly at water depths of 200–3000 m, and they occur on the sides of valleys on the slope, on the flanks of volcanoes, and on the uplifted steep slopes above magmatic intrusions. All landslides extend laterally towards the NE or NEE and show a close relationship to the ancient coastline and the steep terrain of the seabed. We speculate that the distribution and development of submarine landslides in this area has a close relationship with the tectonic setting and sedimentary filling characteristics of the slopes where they are located. Seismic activity is the important factor controlling the submarine landslide in Dongsha area, but the important factor controlling the submarine landslides in Shenhu area is the decomposition of natural gas hydrates.
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8

Ali, Masumian, Naghdi Ramin, Zenner Eric K, Nikooy Mehrdad und Lotfalian Majid. „Comparison of different erosion control techniques in the Hyrcanian forest in northern Iran“. Journal of Forest Science 63, No. 12 (12.12.2017): 549–54. http://dx.doi.org/10.17221/121/2017-jfs.

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The aim of this study was to evaluate the effects of closure best management practices (BMPs) on runoff volume and soil loss on skid trails that received two densities of soil cover mats and were located on two slope gradients in an Iranian temperate mountainous forest. The treatments included combinations of three closure BMPs (water bar only, water bar + sawdust, and water bar + hardwood slash), two amounts (densities) of mats (7.5 and 15 kg·m<sup>–2</sup>), and two levels of slope gradients (≤ 20% and &gt; 20%). Results showed that the water bar treatment was the least effective erosion control treatment, followed by the hardwood slash and sawdust treatments. Averaged over mat densities and both slope gradients, the average runoff rates and amounts of soil loss from the skid trails with the water bar treatment were 46.7 l per plot and 6.1 g·m<sup>–2</sup>, respectively, 16.8 l per plot, 2.8 g·m<sup>–2</sup>, respectively, with the hardwood slash treatment and 11.7 l per plot, 1.9 g·m<sup>–2</sup>, respectively, with the sawdust treatment. The results indicated that surface cover is a necessary element for controlling erosion losses following a skidding disturbance, particularly on steep slopes.
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Terhorst, Birgit, und Bodo Damm. „Slope Stability and Slope Formation in the Flysch Zone of the Vienna Forest (Austria)“. Journal of Geological Research 2009 (27.05.2009): 1–10. http://dx.doi.org/10.1155/2009/589037.

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The Rhenodanubian Flysch of the northern Vienna Forest is composed of various layers of sandstones, marly shales, calcareous marls, and clay shists, which are covered by Quaternary periglacial cover beds and loess deposits. This area at the margin of the eastern Alps represents an undulating landscape of the Austrian low-mountain regions. The Vienna Forest Flysch region is considered to be susceptible to landslides. Both petrography of the bedrock and soil mechanical properties of the Quaternary sediments control the current slope dynamics in the study area. In a temporal context it is evident that the stability of slopes exceeding 27∘ is controlled by a succession of several steps of slope formation. On the basis of field surveys, laboratory analyses, and slope stability modelling, results from investigations on recent landslides demonstrate five different phases of slope formation. In general, after passing these phases the stability of studied slopes is increased, due to the different soil mechanical properties of the potential sliding masses.
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Schwab, W. C., W. W. Danforth, K. M. Scanlon und D. G. Masson. „A giant submarine slope failure on the northern insular slope of Puerto Rico“. Marine Geology 96, Nr. 3-4 (Januar 1991): 237–46. http://dx.doi.org/10.1016/0025-3227(91)90149-x.

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Dissertationen zum Thema "Northern slope"

1

Ali, Gebril Motawil. „Water erosion on the northern slope of Al-Jabal Al-Akhdar of Libya“. Thesis, Durham University, 1995. http://etheses.dur.ac.uk/1035/.

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Nelis, Simon Brett. „Modelling rock slope behaviour and evolution with reference to Northern Spain and Southern Jordan“. Thesis, Durham University, 2004. http://etheses.dur.ac.uk/2206/.

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The geomorphological behaviour of steep jointed rock slopes has been studied using distinct element computer models. In order to model steep slopes effectively, methodologies need to be combined from the studies of environmental modellers, geomorphologists and engineers. The distinct element method is ideal for the study of the development of jointed rock masses, where the failure is controlled by the nature of the discontinuities. Theoretical modelling identified that block size is a key control affecting the deformation of rock masses. Deformation of rock masses with smaller block assemblages is greater than for rock masses composed of larger block sizes. This is due to the increased magnitude of joint normal closure. Catastrophic failure is less likely in slopes with smaller block sizes because the shear strength is greater in a closely jointed rock mass. These slopes are more likely to undergo gradual deformations. Block-size effects are also responsible for influencing the failure mechanism of rock masses. As block size decreases, the magnitude of block rotation increases and the failure mechanism changes from sliding to toppling. The effect of slope scale on the deformation properties of the rock masses has also been investigated. Two field locations, the Picos de Europa mountains, northern Spain and Wadi Rum, southern Jordan, have been chosen to provide a link between the theoretical modelling and classic rock landforms which are controlled by the discontinuity geometry. Given the sporadic and infrequent occurrence of failure events at the field sites, a computer modelling approach has been adopted to analyse slope behaviour. In the Picos de Europa, slope deformations are deep-seated, with sliding and toppling being the dominant modes of failure. Much of the slope deformation in these mountains is a result of post-glacial rock-slope deformation. The sandstone inselbergs of Jordan show a range of morphologies from rounded hills to vertical cliffs. The morphology of the inselbergs is related to the intact rock strength; stronger Red lshrin sandstone forms vertical slopes, whereas the weaker Disi sandstone forms rounded domes. Jointing in the area is sub-vertical with horizontal bedding and computer simulations have shown that toppling is the dominant mode of failure in these inselbergs. Comparison of computer model output suggests that different failure mechanisms have distinct failure signatures. Catastrophic, deep-seated failures are characterised by a long period of acceleration as the failure propagates through the rock mass and infinite velocity is reached. Non-catastrophic slope movements, such as self-stabilising topples, are characterised by short periods of acceleration followed by small creep movements at a constant velocity. Computer modelling has indicated that scale effects do exist in the modelled rock masses from the Picos de Europa and particularly Wadi Rum. In areas where jointing is constant, the relative block size of the rock mass decreases as slope scale increases. The greater numbers of blocks along with greater in situ stresses influence the failure of the slope. Cosmogenic dating was used to temporally constrain UDEC model output and provide a better understanding of rock slope failure mechanisms in the Picos de Europa and Wadi Rum. Dating indicated delayed paraglacial adjustment was the triggering mechanism for slope failure in the Picos de Europa, whereas failures in Wadi Rum appeared to be closely linked with wetter climatic conditions.
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Bullard, Reuben G. Jr. „Estimation of Slope Erosion Rates from 10Be Nuclide Accumulation: A Northern Kentucky Example“. University of Cincinnati / OhioLINK, 2001. http://rave.ohiolink.edu/etdc/view?acc_num=ucin990706816.

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McLernon, M. „Climate driven pore water pressure dynamics and slope stability within glacial till drumlins in Northern Ireland“. Thesis, Queen's University Belfast, 2014. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.679266.

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'Large cut slopes (excavations) in glacial tillare a common occurrence along road and rail networks in Northern Ireland, due to unique drumlin topography in the province. Despite observed occurrences of delayed slope failures within till cuttings, their long-term performance is not well understood. Decreases in the stability of overconsolidated clay till slopes with time have been shown to be in response to pore water pressure (PWP) cycles induced by soil-climate interactions. This research has developed and presented an understanding of the mechanisms controlling PWP fluctuations within till slopes in response to climatic factors. Three cut slopes in till were instrumented to measure PWP variations, surface soil water content, suction, and shallow water table fluctuations. Field and laboratory tests were carried out to characterise the geotechnical and hydraulic properties of the till. The field instrumentation facilitated the identification of a number of characteristic controls on PWP variations, including the seasonal soil water balance and more rapid PWP responses due to gravity driven recharge and stress changes. A numerical soil water storage model was used to estimate the temporal variability in recharge to the till. This water balance accounts for PWP variation, in-situ hydraulic conductivity and fracture porosity within the till. The outputs from the water balance model were subsequently used as a boundary condition in a transient seepage model. This is coupled with a limit equilibrium analyses to assess variability in the factor of safety of the cuttings. Furthermore, a generic model was used to explore how variations in climatic and hydrogeologic conditions will affect long-term slope stability. The research highlights the control of the hydrogeologic setting and climatic conditions on PWP dynamics, and makes suggestions for how this understanding can be used in design, management and remediation measures of cut slopes to protect these assets in the future.
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Thomas, Ryan Douglas. „3-D multichannel seismic reflection study of variable-flux hydrocarbon seeps, continental slope, northern Gulf of Mexico“. Texas A&M University, 2003. http://hdl.handle.net/1969.1/1176.

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In the northern Gulf of Mexico, seafloor hydrocarbon fluid and gas seepage is an ubiquitous process on the continental margin. Although seafloor seepage and seep-related features (mud volcanoes, carbonate formation) have been studied for many years, little is known about their mechanisms of formation and the relationship of sub-surface structure to current seep activity. In this study, we examined three seafloor seeps in the Garden Banks and Mississippi Canyon areas using exploration and reprocessed 3D multi-channel seismic (MCS) data augmented with side-scan sonar (Garden Banks site) to characterize hydrocarbon seep activity and develop an understanding of the processes that led to their formation. Side-scan sonar data provided high resolution coverage of the seafloor while the exploration seismic data were used to image near and deep sub-surface features. Additionally, the 3D amplitude extraction maps were useful in delineating amplitude anomalies often associated with seep related activity. The reprocessed 3D seismic data were used to map in greater detail near seafloor features and amplitude anomalies. Using remote sensing geophysical data, we were effectively able to map sub-surface features such as salt topography, seep-related faults and geophysical indicators of hydrocarbons and correlate them with seafloor amplitude anomalies and fault traces in order to characterize seep activity level. The southern mud volcano in the Garden Banks site is characterized as an established high flux seep vent owing to signs of active seepage and sediment flows as well as the build-up of hard grounds. The northern mud volcano in the area, with greater hard ground build-up and fewer signs of active seepage represents an established low flux seep vent. In the Mississippi Canyon area, the data suggest that the seep mound can be characterized as a mature high flux vent due to the extensive build-up of hard ground, evidence of gas hydrates and signs of active seepage and sediment flows. The mechanisms of formation are similar between the two study sites. Upwelling salt appears to have fractured the sub-surface leading to the formation of fault induced depressions. Mapping of geophysical indicators of hydrocarbons implies that hydrocarbon migration is occurring along bedding planes to the fault systems underlying the depressions. Here they appear to migrate vertically to the seafloor creating the topographic features and seafloor amplitude anomalies that characterize the seeps
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Grimshaw, John M. „Aspects of the ecology and biogeography of the forest of the northern slope of Mt. Kilimanjaro, Tanzania“. Thesis, University of Oxford, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.360396.

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7

Avsar, Ozgur. „Landslide Stabilization In Weathered Tuffite, Northern Turkey“. Master's thesis, METU, 2004. http://etd.lib.metu.edu.tr/upload/2/12605580/index.pdf.

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A landslide occurred during the construction of the Giresun &ndash
Espiye road between Km: 1+030 &ndash
1+170 in April 2003. Investigating the causes and mechanism of this slope failure along with suggesting a proper stabilization technique is aimed in this study. For that purpose, a detailed site investigation study, including engineering geological mapping, drilling work, in situ and laboratory tests, was performed. Weathered tuffite, tuffite, flysch and dacitic tuffite, from top to bottom, are the major units in the study area. A &ldquo
translational slide&rdquo
occurred in completely weathered tuffite owing to the disturbance of the stability of the slope by the excavations performed at the toe of the slope
particularly the foundation excavation for the restaurant building and for the road cut for the Giresun &ndash
Espiye road. After establishing the model of the landslide in detail, shear strength parameters of the failure surface were determined by the back analysis method as "
cohesion"
=2.5 kN/m2 and "
friction angle"
=9°
. Toe buttressing, ground water and surface water drainage options were considered for stabilizing the slope. For the back analysis calculations, the Morgenstern-Price and Spencer methods were used with the aid of the SLOPE/W computer program.
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De, Beukelaer Sophie Magdalena. „Remote sensing analysis of natural oil and gas seeps on the continental slope of the northern Gulf of Mexico“. Thesis, Texas A&M University, 2003. http://hdl.handle.net/1969.1/1164.

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Natural hydrocarbon seeps harbor distinctive geological, chemical, and biological features in the marine environment. This thesis verified remote sensing signatures of seeps using in-situ observation and repeated collections of satellite imagery. Bubble streams in the Gulf of Mexico water column from four natural seep sites on the upper continental slope were imaged by a side-scan sonar, which was operated from a submarine near the seafloor, and by acoustic profilers, which were operated from surface ships. These data were correlated with sea surface slicks imaged by Synthetic Aperture Radar (SAR) on the RADARSAT satellite. Comparing non-oily bubble streams from rapidly venting mud volcanoes with oily bubble streams from shallow deposits of gas hydrate showed that they produced notably different signatures. Non-oily bubbles produced high backscatter on the side-scan sonar records, but were difficult to detect with the acoustic profilers. Oily bubbles from hydrate deposits produced acoustic shadows on the side-scan sonar records. The oily bubbles generated clear signatures extending from the seafloor to the near surface on the acoustic profile records. RADARSAT SAR images verified the presence of surface oil slicks over the hydrate deposits, but not over the mud volcanoes. This indicates that SAR imagery will not be able to capture every oil and gas seep in a region because non-oily bubble streams do not create surface oil slicks. A total of 113 natural oily seep sources were identified based on surface slicks in eleven SAR images collected over the northern continental slope. A persistence analysis verified that SAR is a dependable tool for capturing oil slicks because 93.5% of the slick sources identified in the 2001 images were corroborated with slicks in the 2002 images. The sources ranged in depth from 100 to 2000 m and 79% of the sources were in 900 meters or greater of water. Seventy-six percent of the seep sources were associated with salt less than 1500 m below the seafloor and none of the sources were located in the bottom of salt withdrawal basins. Geographical Information Systems (GIS) proved to be a useful tool in these analyses.
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9

Henderson, Susan Jane. „Analysis of the long-term slope stability of waste-rock dumps /“. Title page, table of contents and abstract only, 1992. http://web4.library.adelaide.edu.au/theses/09PH/09phh4972.pdf.

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10

O'Brien, Sean P. „Sedimentology of a Lower Middle Pleistocene Reservoir in Garden Banks Area, Northern Gulf of Mexico: Integration of 3D Seismic, Cores, and Well Logs“. ScholarWorks@UNO, 2010. http://scholarworks.uno.edu/td/1140.

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Garden Banks field 236, known as Pimento, is part of a lower middle Pleistocene submarine-fan deposit in the north central Gulf of Mexico. Pimento field represents a classic example of a prograding fan across the continental shelf continuing across the continental slope filling and spilling minibasins. Channel complexes cut through the field as sediment migrated across the shelf and slope to the basin floor. This thesis consists of two papers which utilized donated 3D seismic data on six of the blocks in Pimento field. Public domain data was incorporated with these data to explore the producing reservoir sand in the field. Mapped horizons revealed the overall structural elements of the field including the fill and spill facies of the minibasin that directly influences the deposition of the field. In these papers, channel complexes have been resolved using seismic geomorphological techniques and cross sections. Two potential drilling targets have also been discovered and one has been initially investigated as a drilling target.
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Bücher zum Thema "Northern slope"

1

Pomeroy, John S. Geologic relationships of slope movement in northern Alabama. [Reston, Va.]: Dept. of the Interior, U.S. Geological Survey, 1985.

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Rowe, Gilbert T. Deepwater program, northern Gulf of Mexico continental slope habitats and benthic ecology. [New Orleans, La.]: U.S. Dept. of the Interior, Minerals Management Service, Gulf of Mexico OCS Region, 2001.

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Rowe, Gilbert T. Deepwater program, northern Gulf of Mexico continental slope habitats and benthic ecology. [New Orleans, La.]: U.S. Dept. of the Interior, Minerals Management Service, Gulf of Mexico OCS Region, 2001.

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Rowe, Gilbert T. Deepwater program: Northern Gulf of Mexico continental slope habitats and benthic ecology. New Orleans: US Department of the Interior, Minerals Management Service, 2001.

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Lauth, R. R. The 1995 Pacific west coast upper continental slope trawl survey of groundfish resources off southern Oregon and northern California: Estimates of distribution, abundance, and length composition. Seattle, Wash: U.S. Dept. of Commerce, National Oceanic and Atmospheric Administration, National Marine Fisheries Service, Alaska Fisheries Science Center, 1997.

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Cooper, Alan K. A seismic-reflection investigation of gas hydrates and sea-floor features of the upper continental slope of the Garden Banks and Green Canyon regions, northern Gulf of Mexico: Report for cruise G1-99-GM (99002). [Menlo Park, CA]: U.S. Geological Survey, 1999.

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Ashland, Francis X. Ground-water-level fluctuations in Wasatch Front landslides and adjacent slopes, Northern Utah. [Salt Lake City, Utah]: Utah Geological Survey, 2005.

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Hilditch, T. Right-of-way rehabilitation of sandy slopes in northern Ontario--: Phase 2. Downsview, Ont: Research and Development Branch, Ontario Ministry of Transportation and Communications, 1987.

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Cornish, Beth J. Proposed protocol for a rare plant survey in the lower foothills, northern east slopes. Edmonton: Alberta Sustainable Resource Development, 2001.

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Kneteman, Jeff. Harlequin duck monitoring in the northern east slopes of Alberta: 1998-2000 preliminary results. [Edmonton]: Alberta Sustainable Resource Development, 2000.

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Buchteile zum Thema "Northern slope"

1

Kraushaar, Sabine. „Erosion Features and Measurement Methods on the Slope“. In Soil Erosion and Sediment Flux in Northern Jordan, 33–76. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-31888-2_3.

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Böhme, Martina, Reginald L. Hermanns und Tom R. Lauknes. „Landscape Formation and Large Rock Slope Instabilities in Manndalen, Northern Norway“. In Understanding and Reducing Landslide Disaster Risk, 325–30. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-60713-5_30.

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Crosta, Giovanni B., Reginald Hermanns, Paolo Frattini, Elena Valbuzzi und Andrea Valagussa. „Large Slope Instabilities in Northern Chile: Inventory, Characterization and Possible Triggers“. In Landslide Science for a Safer Geoenvironment, 175–81. Cham: Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-04996-0_28.

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Dickinson, Julie A., Karen Ware, Sian Cosham und Breandan Murphy. „Slope Failure and Canyon Development Along the Northern South China Sea Margin“. In Submarine Mass Movements and Their Consequences, 223–32. Dordrecht: Springer Netherlands, 2011. http://dx.doi.org/10.1007/978-94-007-2162-3_20.

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Corsini, Alessandro, Francesco Ronchetti, Eleonora Bertacchini, Francesco Bonacini, Paolo Calicetti, Alessandro Capra, Cristina Castagnetti, Elena Piantelli, Giuseppe Caputo und Giovanni Truffelli. „Large-Scale Slope Instability Affecting SS63 Near the Cerreto Pass (Northern Apennines, Italy)“. In Landslide Science and Practice, 231–37. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-31319-6_32.

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Böhme, Martina, Reginald L. Hermanns und Tom R. Lauknes. „Correction to: Landscape Formation and Large Rock Slope Instabilities in Manndalen, Northern Norway“. In Understanding and Reducing Landslide Disaster Risk, C1. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-60713-5_39.

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Duan, Zuliang, Jun Lei und Yaxuan Liu. „Study on Urban Multidimensional Niche of Urban Agglomeration in Northern Slope of Tianshan Mountains“. In Geo-Informatics in Resource Management and Sustainable Ecosystem, 23–32. Berlin, Heidelberg: Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/978-3-662-45737-5_3.

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Dugan, B., und J. Stigall. „Origin of Overpressure and Slope Failure in the Ursa Region, Northern Gulf of Mexico“. In Submarine Mass Movements and Their Consequences, 167–78. Dordrecht: Springer Netherlands, 2010. http://dx.doi.org/10.1007/978-90-481-3071-9_14.

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Wilber, R. Jude, und A. Conrad Neumann. „Effects of Submarine Cementation on Microfabrics and Physical Properties of Carbonate Slope Deposits, Northern Bahamas“. In Carbonate Microfabrics, 79–94. New York, NY: Springer New York, 1993. http://dx.doi.org/10.1007/978-1-4684-9421-1_6.

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Li, Wei, Shiguo Wu, Xiujuan Wang, Fang Zhao, Dawei Wang, Lijun Mi und Qingping Li. „Baiyun Slide and Its Relation to Fluid Migration in the Northern Slope of Southern China Sea“. In Submarine Mass Movements and Their Consequences, 105–15. Cham: Springer International Publishing, 2013. http://dx.doi.org/10.1007/978-3-319-00972-8_10.

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Konferenzberichte zum Thema "Northern slope"

1

Tart, Rupert G. „Pipeline Geohazards Unique to Northern Climates“. In 2006 International Pipeline Conference. ASMEDC, 2006. http://dx.doi.org/10.1115/ipc2006-10085.

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Pipelines in northern climates can be impacted by geohazards that are unique to cold regions. Some of these include frost heave, thaw settlement, solifluction, icings, glaciers, ice-rich slopes, and others. This paper will discuss most of these geohazards as they have been monitored, mitigated, and managed along the Trans Alaska Pipeline (TAPS) and other pipelines in Alaska and Russia. Early analyses of frost heave and thaw settlement of piles concluded that frost heave and thaw settlement would be controlled by installing passive heat removal devices (heat pipes). In permafrost areas heat pipes have generally worked well. In unfrozen terrain or discontinuous permafrost the heat pipes have not been able to maintain stability. Examples of each of these situations will be discussed. Steep rolling terrain makes up a significant part of the TAPS route. Some of the slopes are in permafrost and others are in thawed ground. For the past 15 years, surveillance and monitoring of some of the slopes along the pipeline route has documented the response of slopes in frozen ground. Warmer (that is near 0 degrees C) ice-rich slopes can creep. An example of this is documented on a slope instrumented with inclinometers and thermistors. Other slope movements related to pore pressure increases caused by active layer containment of unfrozen groundwater flows will be discussed. The impact of solifluction zones on pipeline construction and routing will be addressed as it has been managed along the TAPS. Other near surface slope movements that appear to be similar to solifluction have been observed along the pipeline right-of-way on the workpad. This paper will address an interrelationship of these observed slope behaviors. In doing this the interaction of slope seeps and the freeze front as it forms in fall and then recedes in spring and summer is compared to observations of engineered projects. Icings can be observed in several locations along TAPS. In some cases these can be related to slope movements. In other cases the icings have reached the aboveground and caused maintenance issues. TAPS was designed to avoid future surges of several large glaciers. In most years these glaciers have retreated and have not been a significant issue. A recent large earthquake caused a landslide on the largest glacier near TAPS and resulted in some review of the activity on that glacier. In 2002 a large earthquake centered near TAPS caused liquefaction in some areas, breakage of ice in lakes in some locations, and sand boils very close to the pipe. These observations will be related to the thinly frozen active layer over a deep talik during the earthquake.
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Kenarsari, Amaneh E., und Stanley J. Vitton. „Slope Liquefaction Failure of a Rip-Rap Slope during Springtime in a Northern Climate“. In Geotechnical Frontiers 2017. Reston, VA: American Society of Civil Engineers, 2017. http://dx.doi.org/10.1061/9780784480458.031.

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Apuani, Tiziana, Diego Arosio, Erika De Finis, Eusebio Stucchi, Luigi Zanzi und Adriano Ribolini. „Preliminary Seismic Survey on the Unstable Slope of Madesimo (Northern Italy)“. In Symposium on the Application of Geophysics to Engineering and Environmental Problems 2012. Environment and Engineering Geophysical Society, 2012. http://dx.doi.org/10.4133/1.4721845.

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Li, Fayuan, Guoan Tang und Youfu Dong. „Research on the slope-landscape TUPU in northern Shaanxi Loess Plateau“. In Geoinformatics 2008 and Joint Conference on GIS and Built environment: Advanced Spatial Data Models and Analyses, herausgegeben von Lin Liu, Xia Li, Kai Liu und Xinchang Zhang. SPIE, 2009. http://dx.doi.org/10.1117/12.813194.

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Lo Presti, D., T. Fontana, D. Marchetti, Adolfo Santini und Nicola Moraci. „Slope Stability Analysis In Seismic Areas Of The Northern Apennines (Italy)“. In 2008 SEISMIC ENGINEERING CONFERENCE: Commemorating the 1908 Messina and Reggio Calabria Earthquake. AIP, 2008. http://dx.doi.org/10.1063/1.2963879.

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Pederson, Ingrid, Millan Sen, Andrew Bidwell und Nader Yoosef-Ghodsi. „Enbridge Northern Pipeline: 25 Years of Operation, Successes and Challenges“. In 2010 8th International Pipeline Conference. ASMEDC, 2010. http://dx.doi.org/10.1115/ipc2010-31611.

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Enbridge Pipelines Inc. has operated a 324 mm diameter, 870 km crude oil pipeline from Norman Wells, Northwest Territories to Zama, Alberta since 1985. This pipeline is the first completely buried oil pipeline constructed within the discontinuous permafrost zone of Canada. This pipeline was constructed over two winter seasons, and since 1985 has transported roughly 200 million barrels of crude oil to southern markets without significant interruption. This paper will review the design, construction, and operational challenges of this pipeline through the past 25 years. Unique and innovative aspects of this pipeline include measures taken during construction to minimize thermal disturbance to the soil, insulating permafrost slopes to minimize post-construction thaw, operating at temperatures that minimize thermal effects on the surrounding ground, accommodating ground movement caused by frost heave/thaw and slope instabilities, and evaluating the effects of moving water bodies adjacent to the pipeline right-of-way. The use of in-line inspection tools (GEOPIG) has been valuable as a supplement to conventional geotechnical monitoring, for the evaluation and assessment the effects of ground movement to the pipeline. Finite element pipe/soil interaction models have been developed for selected sites in order to assess the potential for slope movement to generate strains in the buried pipeline that exceed the strain capacity. This paper will review new monitoring data and findings since previous publications. In addition, the implications of long-term trends of increasing ground temperatures and associated changes to the geotechnical and permafrost conditions along the pipeline route will also be discussed and are relevant to other proposed pipeline and linear infrastructure projects along the Mackenzie Valley.
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Chang, Linlin, Danlin Yu und Jianghua Zheng. „Assessment of urban vulnerability to drought in northern slope of TianShan Mountains“. In 2015 23rd International Conference on Geoinformatics. IEEE, 2015. http://dx.doi.org/10.1109/geoinformatics.2015.7378715.

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Li, Fayuan, und Guoan Tang. „Slope spectrum of positive and negative terrains on northern Shaanxi loess plateau“. In 2010 International Conference on Audio, Language and Image Processing (ICALIP). IEEE, 2010. http://dx.doi.org/10.1109/icalip.2010.5684390.

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Heaven, Carrie, Dinella Bran und William Norrie. „Evaluation and management of toppling failures at the McArthur River Mine, Northern Territory“. In 2020 International Symposium on Slope Stability in Open Pit Mining and Civil Engineering. Australian Centre for Geomechanics, Perth, 2020. http://dx.doi.org/10.36487/acg_repo/2025_107.

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Francani, Vincenzo. „HYDROGEOLOGICAL STRCUCTURES OF FAULT ZONES TRIGGERING SLOPE INSTABILITY IN CENTRAL VALTELLINA (NORTHERN ITALY)“. In 16th International Multidisciplinary Scientific GeoConference SGEM2016. Stef92 Technology, 2016. http://dx.doi.org/10.5593/sgem2016/b11/s02.106.

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Berichte der Organisationen zum Thema "Northern slope"

1

Cacchione, David A. Internal Waves Over the Continental Slope Off Northern California. Fort Belvoir, VA: Defense Technical Information Center, September 1997. http://dx.doi.org/10.21236/ada629309.

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Field, Michael E., James V. Gardner und David B. Prior. Sediment Transport History on the Northern California Shelf and Slope: Inferences from Acoustic Signatures. Fort Belvoir, VA: Defense Technical Information Center, September 1997. http://dx.doi.org/10.21236/ada629312.

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Fulthorpe, Craig S., Jr Austin und James A. Sedimentary Processes and Stratigraphic Responses in a Tectonically Driven Basin: Northern California Continental Shelf and Upper Slope. Fort Belvoir, VA: Defense Technical Information Center, August 2002. http://dx.doi.org/10.21236/ada627783.

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Fulthorpe, Craig S., Jr Austin und James A. Sedimentary Processes and Stratigraphic Responses in a Tectonically Driven Basin: Northern California Continental Shelf and Upper Slope. Fort Belvoir, VA: Defense Technical Information Center, September 2003. http://dx.doi.org/10.21236/ada629801.

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Goff, John A. Swath Mapping of the New Jersey and Northern California Margins and Statistical Characterization of the Shelf and Slope Bathymetry. Fort Belvoir, VA: Defense Technical Information Center, September 1997. http://dx.doi.org/10.21236/ada627834.

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Mountain, Gregory. High-resolution Seismic Surveying for Neogene-Quaternary Sequence Stratigraphy, Northern California Continental Shelf and Upper Slope, in Support of STRATAFORM. Fort Belvoir, VA: Defense Technical Information Center, September 1997. http://dx.doi.org/10.21236/ada627997.

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Fulthorpe, Craig S., Jr Austin und James A. High-Resolution Seismic Surveying for Neogene-Quaternary Sequence Stratigraphy, Northern California Continental Shelf and Upper Slope, in Support of STRATAFORM. Fort Belvoir, VA: Defense Technical Information Center, September 1999. http://dx.doi.org/10.21236/ada629841.

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8

Decker, P. L. Brookian sequence stratigraphic framework of the northern Colville foreland basin, central North Slope, Alaska (poster and presentation): DNR Spring Technical Review Meeting, Anchorage, April 21-22, 2010. Alaska Division of Geological & Geophysical Surveys, April 2010. http://dx.doi.org/10.14509/21861.

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Petrie, John, Yan Qi, Mark Cornwell, Md Al Adib Sarker, Pranesh Biswas, Sen Du und Xianming Shi. Design of Living Barriers to Reduce the Impacts of Snowdrifts on Illinois Freeways. Illinois Center for Transportation, November 2020. http://dx.doi.org/10.36501/0197-9191/20-019.

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Blowing snow accounts for a large part of Illinois Department of Transportation’s total winter maintenance expenditures. This project aims to develop recommendations on the design and placement of living snow fences (LSFs) to minimize snowdrift on Illinois highways. The research team examined historical IDOT data for resource expenditures, conducted a literature review and survey of northern agencies, developed and validated a numerical model, field tested selected LSFs, and used a model to assist LSF design. Field testing revealed that the proper snow fence setback distance should consider the local prevailing winter weather conditions, and snow fences within the right-of-way could still be beneficial to agencies. A series of numerical simulations of flow around porous fences were performed using Flow-3D, a computational fluid dynamics software. The results of the simulations of the validated model were employed to develop design guidelines for siting LSFs on flat terrain and for those with mild slopes (< 15° from horizontal). Guidance is provided for determining fence setback, wind characteristics, fence orientation, as well as fence height and porosity. Fences comprised of multiple rows are also addressed. For sites with embankments with steeper slopes, guidelines are provided that include a fence at the base and one or more fence on the embankment. The design procedure can use the available right-of-way at a site to determine the appropriate fence characteristics (e.g., height and porosity) to prevent snow deposition on the road. The procedure developed in this work provides an alternative that uses available setback to design the fence. This approach does not consider snow transport over an entire season and may be less effective in years with several large snowfall events, very large single events, or a sequence of small events with little snowmelt in between. However, this procedure is expected to be effective for more frequent snowfall events such as those that occurred over the field-monitoring period. Recommendations were made to facilitate the implementation of research results by IDOT. The recommendations include a proposed process flow for establishing LSFs for Illinois highways, LSF siting and design guidelines (along with a list of suitable plant species for LSFs), as well as other implementation considerations and identified research needs.
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Geologic relationships of slope movement in northern Alabama. US Geological Survey, 1985. http://dx.doi.org/10.3133/b1649.

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