Academic literature on the topic 'Alluvial fan'

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Journal articles on the topic "Alluvial fan"

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Chant, Lawrence J. De, Patrick P. Pease, and Vatche P. Tchakerian. "Modelling alluvial fan morphology." Earth Surface Processes and Landforms 24, no. 7 (1999): 641–52. http://dx.doi.org/10.1002/(sici)1096-9837(199907)24:7<641::aid-esp979>3.0.co;2-3.

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Larson, Phillip H., Ronald I. Dorn, Douglas J. Faulkner, and Donald A. Friend. "Toe-cut terraces." Progress in Physical Geography: Earth and Environment 39, no. 4 (2015): 417–39. http://dx.doi.org/10.1177/0309133315582045.

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Alluvial fans and fluvial terraces occur in nearly all climatic settings and often coexist within the same drainage basin. These landforms play an important role in understanding the geomorphic, hydrologic, sedimentologic and erosional histories of a basin. The juxtaposition of fans and fluvial terraces, in some instances, can lead to misinterpretation in distinguishing traditional fluvial terraces from the truncated toe of tributary alluvial fans. This becomes particularly troublesome for those attempting to interpret results from published field studies where fan-cut terrace, truncated alluvial fan, toe-cut alluvial fan, alluvial terrace, and incision of the lower end of a fan piedmont all refer to the same genetic landform. We call for use of the term “toe-cut terrace” to represent this landform. We also present criteria to aid in the identification of toe-cut terraces, defined as an abandoned alluvial surface, formed by the truncation of the distal portion of tributary alluvial fans by streams flowing obliquely or perpendicular to the fan surface. Truncation occurs through lateral erosion (“toe-cutting”) or through vertical incision by the trunk drainage lowering the base-level of the alluvial fan. This results in incision into the fan surface abandoning the fan’s depositional surface at a higher level above the modern floodplain – a form that often resembles a fluvial terrace. A case study from the Sonoran Desert in central Arizona illustrates a sequence of abandoned alluvial surfaces that resemble fluvial terraces, but use of the proposed criteria reveal the presence of both toe-cut terraces and traditional fluvial terraces formed by the abandonment of the rivers former floodplain.
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Chakraborty, Partha Pratim, Tapan Pal, Tanay Dutta Gupta, and Kalyan Surya Gupta. "Facies Pattern and Depositional Motif in an Immature Trench-Slope Basin, Eocene Mithakhari Group, Middle Andaman, India." Journal Geological Society of India 53, no. 3 (1999): 271–84. http://dx.doi.org/10.17491/jgsi/1999/530301.

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Abstract Detailed facies analysis in Eocene Mithakhari Group reveals eight different lithofacies of wide ranging paleogeographic significance. These facies are i) disorganised matrix-supported conglomerate, ii) graded matrix-supported conglomerate, iii) graded pebbly sandstone, iv) massive and thick-bedded sandstone, v) plane laminated and cross-stratified sandstone, vi) interbedded sandstone and mudstone, vii) massive to faintly laminated shale and viii) interbedded shale and coal; which are grouped into-five different facies associations (FA). viz. Subaerial alluvial plain (FAl), Shallow water, wave dominated shelf (FA2), Delta slope (FA3), Prodelta slope (FA4) and Submarine fan (FA5). Lying unconformably on oceanic basement (ophiolite slices?) these sediments constitute short truncated successions. Litholog measurement in three isolated sections viz. Kaushalyanagar. Sagwannala and Rangat-Nimbutala reveal widely varying facies succession pattern. Frequent facies change, predominance of massflow deposits, signatures of synsedimentary basinal disturbance and wide paleogeographic variation indicate sedimentation in small isolated basins in an immature trench-slope setting. Profusion of progradational depositional cycles and evidences of emergence in the studied sections provide indication of frontal accretion and tectonic shoaling in the filling history of these basins.
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Kim, Jisu, Kyung Sik Woo, Kwang Choon Lee, and Young Kwan Sohn. "Overnight formation of a bouldery alluvial fan by a torrential rain in a granitic mountain (Mt. Seoraksan, Republic of Korea)." Sedimentary Record 19, no. 2 (2021): 5–11. http://dx.doi.org/10.2110/sedred.2021.2.2.

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Mt. Seoraksan, Korea, is a rugged granitic mountain where extremely steep slopes and strongly seasonal rainfall have facilitated bedrock exposure and geomorphic changes mainly by rockfalls and streamflows. Although the environment was not suitable for alluvial fan formation, a bouldery alluvial fan, 170 m long and 330 m wide, formed overnight by a heavy summer rain in 2006. The fan consists of several meter-high boulder mounds and gently undulating cobble bars/sheets that are arranged in a fluvial longitudinal bar-like pattern. They are interpreted to have formed by highly competent and turbulent sheetfloods, which temporarily had the properties of hyperconcentrated flood flows. Formation of the whole alluvial fan by a single, casual hydro-meteorological event is inferred to have been possible because a threshold condition was reached in the source area. A rainfall event, which would have had no extreme effects before reaching the threshold, could probably trigger massive remobilization of bouldery sediments on the valley floors. The Seoraksan alluvial fan thus demonstrates the role of a geomorphic threshold in causing drastic changes in the hydrologic performance of the watershed. The morphology and sedimentology of the Seoraksan alluvial fan suggest that the fan is a modern example of a sheetflood-dominated alluvial fan, which has largely been ignored in spite of their potential diversity and abundance in glacial to periglacial, tropical, and temperate environments.
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Cavalli, M., and L. Marchi. "Characterisation of the surface morphology of an alpine alluvial fan using airborne LiDAR." Natural Hazards and Earth System Sciences 8, no. 2 (2008): 323–33. http://dx.doi.org/10.5194/nhess-8-323-2008.

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Abstract. Alluvial fans of alpine torrents are both natural deposition areas for sediment discharged by floods and debris flows, and preferred sites for agriculture and settlements. Hazard assessment on alluvial fans depends on proper identification of flow processes and their potential intensity. This study used LiDAR data to examine the morphology of the alluvial fan of a small alpine stream (Moscardo Torrent, Eastern Italian Alps). A high-resolution DTM from LiDAR data was used to calculate a shaded relief map, plan curvature and an index of topographic roughness based on the standard deviation of elevation within a moving window. The surface complexity of the alluvial fan, also influenced by human activities, clearly arose from the analysis. The surface roughness, defined here as the local topography variability, is compared with a previous classification of the fan surface based on field surveys. The results demonstrate that topographic analysis of ground based LiDAR DTM can be a useful tool to objectively investigate fan morphology and hence alluvial fan hazard assessment.
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Liu, Wei Fu, Shuang Long Liu, and Li Xin Sun. "Sedimentary Characteristics and Reservoir Potential of Underwater Alluvial Fan." Advanced Materials Research 912-914 (April 2014): 1525–28. http://dx.doi.org/10.4028/www.scientific.net/amr.912-914.1525.

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Using core analysis, thin slice identification, logging analysis and seismic interpretation, systemic study upon sedimentary types, sedimentary facies, physical and oil bearing properties of each sedimentary microfacies, etc presenting in underwater alluvial fan of Kerqin oilfield of Kailu basin in China, is performed. To identify sedimentary characteristics of underwater alluvial fan and determine its oil bearing property so as to develop this type of reservoir reasonably and effectively. Underwater alluvial fan comprises of 5 kinds sedimentary facies: clastic flow, high density flow, low density flow, overflow and river channel sedimentation. Further division includes three sub-facies, i. e. tail, body and front part of underwater alluvial fan, among which braided structure of body part features favorable accumulation and oil bearing properties. Underwater alluvial fan is formed from the double action mechanisms of gravitational flow and traction flow. Body microfacies are primary oil bearing play and braided channel is the main future development target.
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Porter, Donna A., and Margaret J. Guccione. "Deglacial Flood Origin of the Charleston Alluvial Fan, Lower Mississippi Alluvial Valley." Quaternary Research 41, no. 3 (1994): 278–84. http://dx.doi.org/10.1006/qres.1994.1031.

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AbstractLarge-magnitude flooding of the Mississippi River from proglacial lakes Agassiz and Superior most likely occurred between 11,300 and 10,900 and 9900 and 9500 yr B.P. The Charleston alluvial fan, a depositional remnant of one of these floods, is located at the head of a wide alluvial plain near Charleston, Missouri. The fan is an elongate, convex-up sand body (16 × 24 km) composed of medium- and fine-grained sand at least 8 m thick. This sand contrasts with the older coarse-grained sand of the braided stream surface to the west and south and younger silty clay of the meandering stream level to the north and east. A weakly developed soil separates the underlying braided steam deposits from the alluvial fan. A bulk-soil radiocarbon date of 10,590 ± 200 yr B.P. from the contact between the fan and clays of the meandering stream system indicates that the Charleston fan was deposited near the end of the early interval of flooding from Lake Agassiz about 10,900 yr B.P. If the Charleston fan is the last remnant of deglacial flooding in the lower Mississippi Valley, then deposition of significant quantities of sediment from largemagnitude floods between 10,000 and 9500 yr B.P. did not extend into the lower Mississippi Valley through Thebes Gap.
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Sasmal, Dr Ramapada. "Coefficient Analysis of the Alluvial Fan Surface Geometry: A Methodological Approach to Applied Geomorphology." Journal of Research in Environmental and Earth Sciences 10, no. 8 (2024): 90–93. http://dx.doi.org/10.35629/2532-10089093.

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The alluvial fan is a depositional geomorphic surface at the foothills. Most of the alluvial fans in tropical regions are highly dynamic under wet climatic conditions and neotectonic environments. The fans of this region are covered with fertile top soils and deep forests. The soils attack people for agriculture in this region. Presently the continuously growing population pressure causes huge deforestation in these alluvial fan areas for cultivation which causes an accelerating rate of natural hazards like flash floods, landslides, and soil erosion that accelerate the dynamic nature of the fan surfaces. The coefficient analysis helps to understand the dynamic nature of the alluvial fan surface and thus helps to identify the hazard-prone area for planning purposes.
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Fenton, Cassandra R., and Jon D. Pelletier. "Cosmogenic 3He age estimates of Plio-Pleistocene alluvial-fan surfaces in the Lower Colorado River Corridor, Arizona, USA." Quaternary Research 79, no. 1 (2013): 86–99. http://dx.doi.org/10.1016/j.yqres.2012.10.006.

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AbstractPlio-Pleistocene deposits of the Lower Colorado River (LCR) and tributary alluvial fans emanating from the Black Mountains near Golden Shores, Arizona record six cycles of Late Cenozoic aggradation and incision of the LCR and its adjacent alluvial fans. Cosmogenic 3He (3Hec) ages of basalt boulders on fan terraces yield age ranges of: 3.3–2.2 Ma, 2.2–1.1 Ma, 1.1 Ma to 110 ka, &lt; 350 ka, &lt; 150 ka, and &lt; 63 ka. T1 and Q1 fans are especially significant, because they overlie Bullhead Alluvium, i.e. the first alluvial deposit of the LCR since its inception ca. 4.2 Ma. 3Hec data suggest that the LCR began downcutting into the Bullhead Alluvium as early as 3.3 Ma and as late as 2.2 Ma. Younger Q2a to Q4 fans very broadly correlate in number and age with alluvial terraces elsewhere in the southwestern USA. Large uncertainties in 3Hec ages preclude a temporal link between the genesis of the Black Mountain fans and specific climate transitions. Fan-terrace morphology and the absence of significant Plio-Quaternary faulting in the area, however, indicate regional, episodic increases in sediment supply, and that climate change has possibly played a role in Late Cenozoic piedmont and valley-floor aggradation in the LCR valley.
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Giano, Salvatore. "Quaternary alluvial fan systems of the Agri intermontane basin (southern Italy): tectonic and climatic controls." Geologica Carpathica 62, no. 1 (2011): 65–76. http://dx.doi.org/10.2478/v10096-011-0006-y.

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Quaternary alluvial fan systems of the Agri intermontane basin (southern Italy): tectonic and climatic controls The Agri River high valley is a Quaternary intermontane basin located in southern Italy. The tectonic evolution of this basin was controlled by Lower Pleistocene strike-slip master faults, subsequently reactivated as normal faults until the Middle Pleistocene. The Quaternary sediments of the basin infill are mainly constituted of continental clastics, represented by coarse-grained alluvial deposits divided by unconformities. The arrangement of clastic deposits suggests that the Pleistocene to Holocene alluvial fan system developed along the eastern margin of the valley. Five generations of slope and alluvial fan systems have been recognized in the Agri basin. The oldest fans have formed on both slope and alluvial deposits. The younger alluvial fans are located along the entire valley floor and arose upon the earlier fan apexes originating in these valleys. The youngest fans are arranged in two different generations and show proximal facies distributed along the foot slopes. Plan view morphology, fan slope profiles, and sedimentary features of the fan system have been used here to determine the magnitude of the tectonic deformation episode affecting the faulted mountainous front of the Agri basin eastern margin. Both fast and slow tectonic episodes occurred during the different regional Quaternary tectonic stages that affected the southern Apennine chain. These tectonic episodes have therefore been analysed in relation to climatic conditions in order to determine their contributions to the evolution of the Pleistocene to Holocene fan systems.
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Dissertations / Theses on the topic "Alluvial fan"

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Iwasaki, Yumi. "Assessment of groundwater environment in a paddy-dominated alluvial fan- Case study of Tedori River alluvial fan, Japan -." Kyoto University, 2014. http://hdl.handle.net/2433/189682.

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Kyoto University (京都大学)<br>0048<br>新制・課程博士<br>博士(農学)<br>甲第18525号<br>農博第2082号<br>新制||農||1026(附属図書館)<br>学位論文||H26||N4869(農学部図書室)<br>31411<br>京都大学大学院農学研究科地域環境科学専攻<br>(主査)教授 川島 茂人, 教授 星野 敏, 教授 藤原 正幸<br>学位規則第4条第1項該当
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Wang, Yu-Li Eric, and Yu-Li Eric Wang. "Characterizing Subsurface Hydraulic Characteristics at Zhuoshui River Alluvial Fan, Taiwan." Thesis, The University of Arizona, 2016. http://hdl.handle.net/10150/623152.

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The objective of this study is to estimate 2-D spatial distribution of hydraulic conductivity (Ks) of Zhuoshui River alluvial fan, Taiwan, using groundwater level data from 88 wells and stream stage data from 4 gauging stations. In order to accomplish this analysis, wavelet analysis is first carried out to investigate the periodic cycles of groundwater level, precipitation, and stream stage. The results of the analysis show that variations of groundwater level and stream stage are highly correlated in terms of seasonal and annual periods. Subsequently, seasonal variations of groundwater level in response to stream stage variation are utilized to estimate the Ks spatial distribution by spatiotemporal cross correlation analysis, cokriging, and river stage tomography. Prior to applications of these methods to the alluvial fan, performances of each approach are evaluated and compared with reference field of a noise free synthetic experiment. It is found that all of the approaches could yield similar general spatial pattern of Ks. Nevertheless, river stage tomography seems to reveal a higher resolution of spatial Ks distribution. When the geologic zones are provided in river stage tomography analysis as prior information, the accuracy of estimated Ks values improves. Finally, results of the applications to data of the alluvial fan reveal that the apex and southeast of the alluvial fan are regions with relative high Ks and the Ks values gradually decrease toward the shoreline of the fan. These two areas are considered as the possible main recharge regions of the aquifer. It is also observed that Ks at northern alluvial fan is slightly larger than that at southern. These findings seem consistent with the geologic evolution of this alluvial fan.
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Wang, Yu-Li, Tian-Chyi Jim Yeh, Jet-Chau Wen, et al. "Characterizing subsurface hydraulic heterogeneity of alluvial fan using riverstage fluctuations." ELSEVIER SCIENCE BV, 2017. http://hdl.handle.net/10150/623615.

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The objective of this study is to demonstrate the ability of riverstage tomography to estimate 2-D spatial distribution of hydraulic diffusivity (D) of Zhuoshui River alluvial fan, Taiwan, using groundwater level data from 65 wells and stream stage data from 5 gauging stations. In order to accomplish this objective, wavelet analysis is first conducted to investigate the temporal characteristics of groundwater level, precipitation, and stream stage. The results of the analysis show that variations of groundwater level and stream stage are highly correlated over seasonal and annual periods while that between precipitation is less significant. Subsequently, spatial cross-correlation between seasonal variations of groundwater level and riverstage data is analyzed. It is found that the correlation contour map reflects the pattern of sediment distribution of the fan. This finding is further substantiated by the cross-correlation analysis using both noisy and noise-free groundwater and riverstage data of a synthetic aquifer, where aquifer heterogeneity is known exactly. The ability of riverstage tomography is then tested with these synthetic data sets to estimate D distribution. Finally, the riverstage tomography is applied to the alluvial fan. The results of the application reveal that the apex and southeast of the alluvial fan are regions with relatively high D and the D values gradually decrease toward the shoreline of the fan. In addition, D at northern alluvial fan is slightly larger than that at southern. These findings are consistent with the geologic evolution of this alluvial fan. (C) 2017 Elsevier B.V. All rights reserved.
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Levine, Steven Joel. "Genesis of typic paleorthids and petrocalcic paleargids on the same fan terrace in the Avra Valley near Tucson, Arizona." Thesis, The University of Arizona, 1985. http://etd.library.arizona.edu/etd/GetFileServlet?file=file:///data1/pdf/etd/azu_e9791_1985_414_sip1_w.pdf&type=application/pdf.

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Tse, To-fun. "Stratigraphy of colluvial-alluvial fan deposits in Northwestern Hong Kong Island." Click to view the E-thesis via HKUTO, 2008. http://sunzi.lib.hku.hk/hkuto/record/B43783442.

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Tse, To-fun, and 謝道勳. "Stratigraphy of colluvial-alluvial fan deposits in Northwestern Hong Kong Island." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2008. http://hub.hku.hk/bib/B43783442.

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Pope, Richard J. "Late Pleistocene to late Holocene alluvial fan development, the Sparti Basin, Greece." Thesis, University of Reading, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.308558.

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Haug, Erik William. "Climatic and Geomorphic Interactions on Alluvial Fans in the Atacama Desert, Chile." Thesis, Virginia Tech, 2009. http://hdl.handle.net/10919/32589.

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Alluvial fan surfaces in the Atacama Desert of northern Chile preserve evidence of recent, precipitation-driven, surface flows. Determining the hydrologic characteristics of these flows is important for understanding the effects of rare yet significant storms in the region. Flow reconstruction, runoff analysis, and comparison with climatological data yield surface activation recurrence intervals of ~1-20 years for three small fans and associated catchments proximal to Iquique and Antofagasta. Relatively short-lived and intense precipitation events (1-3 hour, > 4 mm/hr) are required to mobilize and transport the largest surface grains. Modeled discharges provide minimum constraints on the rates of precipitation that yield surface-forming flows in the hyper-arid region. The results of this study aid in understanding the evolution of various surfaces in the region. In particular, results provide a clear indication of the ability of a particular storm event --i.e., precipitation rate to activate a surface.<br>Master of Science
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Trammell, Jeannie Marie. "Distribution of fine-grained eolian sediments on an alluvial fan in the Cibola Range, southwest Arizona." abstract and full text PDF (free order & download UNR users only), 2007. http://0-gateway.proquest.com.innopac.library.unr.edu/openurl?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&res_dat=xri:pqdiss&rft_dat=xri:pqdiss:1442880.

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Fleckenstein, Jan Henrich. "Modeling river-aquifer interactions and geologic heterogeneity in an alluvial fan system, Cosumnes River, CA /." For electronic version search Digital dissertations database. Restricted to UC campuses. Access is free to UC campus dissertations, 2004. http://uclibs.org/PID/11984.

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Books on the topic "Alluvial fan"

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National Research Council (U.S.). Committee on Alluvial Fan Flooding., ed. Alluvial fan flooding. National Academy Press, 1996.

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W, Nemec, and Steel R. J, eds. Fan deltas: Sedimentology and tectonic settings. Blackie, 1988.

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Bowman, Dan. Principles of Alluvial Fan Morphology. Springer Netherlands, 2019. http://dx.doi.org/10.1007/978-94-024-1558-2.

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Helge, Nilsen Tor, ed. Modern and ancient alluvial fan deposits. Van Nostrand Reinhold, 1985.

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Fraser, Gordon S. Alluvial fans and fan deltas: A guide to exploration for oil and gas. International Human Resources Development Corp., 1986.

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International Conference on Fluvial Sedimentology (6th 1997 Cape Town, South Africa). Fluvial aspects of the Ordovician table mountain group: Slack-water deposits of the 1981 Buffels River flood, Laingsburg : alluvial fan enon formation (cretaceous), Oudtshoorn : post-conference field excursion, 6th International Conference on Fluvial Sedimentology, University of Cape Town, South Africa, 27 September to 1 October 1997. The Conference, 1997.

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R, Burow Karen, National Water-Quality Assessment Program (U.S.), and Geological Survey (U.S.), eds. Hydrogeologic facies characterization of an alluvial fan near Fresno, California, using geophysical techniques. U.S. Geological Survey, 1997.

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1954-, Harden J. W., and Geological Survey (U.S.), eds. Soil formation on the Trail Canyon alluvial fan, Fish Lake Valley, Nevada. U.S. Dept. of the Interior, Geological Survey, 1991.

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Teisseyre, Andrzej Karol. Klasyfikacja rzek w świetle analizy systemu fluwialnego i geometrii hydraulicznej. Wydawn. Uniwersytetu Wrocławskiego, 1991.

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Luehring, Ronald W. Evaluations of collapse susceptibility in alluvial fan deposits: Towaoc Canal, Reach 2, Towaoc, Colorado. U.S. Dept. of the Interior, Bureau of Reclamation, Division of Research and Laboratory Services, Geotechnical Services Branch, 1988.

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Book chapters on the topic "Alluvial fan"

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Hargitai, Henrik. "Alluvial Fan." In Encyclopedia of Planetary Landforms. Springer New York, 2014. http://dx.doi.org/10.1007/978-1-4614-9213-9_466-1.

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Hargitai, Henrik. "Alluvial Fan." In Encyclopedia of Planetary Landforms. Springer New York, 2015. http://dx.doi.org/10.1007/978-1-4614-3134-3_466.

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Bowman, Dan. "Fan Morphometry." In Principles of Alluvial Fan Morphology. Springer Netherlands, 2018. http://dx.doi.org/10.1007/978-94-024-1558-2_4.

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Bowman, Dan. "Fan Entrenchment." In Principles of Alluvial Fan Morphology. Springer Netherlands, 2018. http://dx.doi.org/10.1007/978-94-024-1558-2_8.

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Yu, Xinghe, Shengli Li, and Shunli Li. "Alluvial Fan Depositional System." In Clastic Hydrocarbon Reservoir Sedimentology. Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-70335-0_8.

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Bowman, Dan. "Morphology of the Fan Surface." In Principles of Alluvial Fan Morphology. Springer Netherlands, 2018. http://dx.doi.org/10.1007/978-94-024-1558-2_15.

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Blair, Terence C., and John G. McPherson. "Alluvial Fan Processes and Forms." In Geomorphology of Desert Environments. Springer Netherlands, 1994. http://dx.doi.org/10.1007/978-94-015-8254-4_14.

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Bowman, Dan. "Dating of Alluvial Fans." In Principles of Alluvial Fan Morphology. Springer Netherlands, 2018. http://dx.doi.org/10.1007/978-94-024-1558-2_16.

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Bowman, Dan. "Definitions and Setting." In Principles of Alluvial Fan Morphology. Springer Netherlands, 2018. http://dx.doi.org/10.1007/978-94-024-1558-2_1.

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Bowman, Dan. "Pedogenic Processes." In Principles of Alluvial Fan Morphology. Springer Netherlands, 2018. http://dx.doi.org/10.1007/978-94-024-1558-2_10.

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Conference papers on the topic "Alluvial fan"

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Zou, X., X. Song, Y. Wang, G. Qin, Y. Liang, and B. Fang. "Prediction of Sweet Spot Location in Alluvial Fan Reservoirs." In 85th EAGE Annual Conference & Exhibition - Workshop Programme. European Association of Geoscientists & Engineers, 2024. http://dx.doi.org/10.3997/2214-4609.2024101330.

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Amania, H. H., P. Chang, D. Lin, and Y. G. Doyoro. "Magnetotelluric Survey in Choushui River Alluvial Fan, Yunlin County, Taiwan." In 5th Asia Pacific Meeting on Near Surface Geoscience & Engineering. European Association of Geoscientists & Engineers, 2023. http://dx.doi.org/10.3997/2214-4609.202378063.

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Phelps, Geoff. "ALLUVIAL FAN SEDIMENTS INTRODUCE LOW FREQUENCY NOISE INTO GRAVITY ANOMALIES." In GSA Connects 2022 meeting in Denver, Colorado. Geological Society of America, 2022. http://dx.doi.org/10.1130/abs/2022am-377948.

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Lu Zhang, Huadong Guo, Guoqing Lin, et al. "Estimation of surface roughness in aird alluvial fan using SAR data." In IGARSS 2014 - 2014 IEEE International Geoscience and Remote Sensing Symposium. IEEE, 2014. http://dx.doi.org/10.1109/igarss.2014.6947443.

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Collins, Emma, Glenn D. Thackray, Tammy M. Rittenour, Sara Gonzalez, and Gary O'Brien. "ALLUVIAL FAN MORPHOLOGY, CHRONOLOGY, AND FAULTING IN THE SOUTHERN BEAVERHEAD MOUNTAINS, IDAHO." In GSA 2020 Connects Online. Geological Society of America, 2020. http://dx.doi.org/10.1130/abs/2020am-356950.

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Weber, Lan, Mark Landsiedel, and John Rodriguez. "Control of Alluvial Fan Flooding Reata Pass Channel, City of Scottsdale, Arizona." In 29th Annual Water Resources Planning and Management Conference. American Society of Civil Engineers, 1999. http://dx.doi.org/10.1061/40430(1999)144.

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Mondro, Claire A., Jeffrey E. Moersch, and Christopher M. Fedo. "MORPHOLOGY OF ALLUVIAL FANS AND FAN-LIKE FEATURES ON MARS AS AN INDICATOR OF DEPOSITIONAL ENVIRONMENTS." In GSA Connects 2023 Meeting in Pittsburgh, Pennsylvania. Geological Society of America, 2023. http://dx.doi.org/10.1130/abs/2023am-391626.

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Leenman, Anya, and Brett Eaton. "THE IMPACT OF FLOOD HYDROGRAPH SHAPE ON ALLUVIAL FAN MORPHODYNAMICS: AN EXPERIMENTAL STUDY." In GSA 2020 Connects Online. Geological Society of America, 2020. http://dx.doi.org/10.1130/abs/2020am-358089.

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Windingstad, Jason, John Hall, and John Hall. "HOLOCENE ALLUVIAL FAN HISTORY AND ARCHAIC PERIOD OCCUPATION IN THE PHOENIX BASIN, ARIZONA." In GSA Annual Meeting in Phoenix, Arizona, USA - 2019. Geological Society of America, 2019. http://dx.doi.org/10.1130/abs/2019am-330430.

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Raza, Nasir. "Watershed Modeling in a Pseudo Alluvial Fan Area in Northeast Phoenix and Scottsdale." In Joint Conference on Water Resource Engineering and Water Resources Planning and Management 2000. American Society of Civil Engineers, 2000. http://dx.doi.org/10.1061/40517(2000)429.

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Reports on the topic "Alluvial fan"

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P. Goodell, J. Walton, and P.J. Rodriguez. FUTURE STUDIES AT PENA BLANCA: RADIONUCLIDE MIGRATION IN THE VADOSE ZONE OF AN ALLUVIAL FAN. Office of Scientific and Technical Information (OSTI), 2005. http://dx.doi.org/10.2172/859187.

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McNab, W., J. Karachewski, and G. Weismann. Field Measurements of Electro-osmotic Transport of Ground Water Contaminants in a Lithologically Heterogeneous Alluvial-Fan Setting. Office of Scientific and Technical Information (OSTI), 2001. http://dx.doi.org/10.2172/15006202.

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Cline, De Long, Pelletier, and Harrington. Geomorphic Characterization of the FortyMile Wash Alluvial Fan, Nye County, Nevada, In Support of the Yucca Mountain Project. Yucca Mountain Project, Las Vegas, Nevada, 2005. http://dx.doi.org/10.2172/899277.

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Gambill, Daniel, Matthew Stoklosa, Sean Matus, Heidi Howard, and Garrett Feezor. White Sands Missile Range Thurgood Canyon watershed : analysis of Range Road 7 for development of best management practices and recommendations. Engineer Research and Development Center (U.S.), 2022. http://dx.doi.org/10.21079/11681/45622.

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Thurgood Canyon, located on White Sands Missile Range (WSMR), contains an alluvial fan that is bisected by a primary installation road and is in the proximity of sensitive fish habitats. This project was initiated to determine if and how sensitive fish habitats at the base of the fan are impacted by the existing drainage infrastructure and to assess the condition and sustainability of the existing transportation infrastructure. Findings show that the current drainage infrastructure maintains flow energy and sediment carrying capacity further down the fan than would occur in its absence. However, frequent to moderately rare (small to medium) flood events dissipate over 2 km from sensitive habitat, and overland flow and sediment do not reach the base of the fan. Controlled flow diversion is recommended upstream of the road to mitigate infrastructure or habitat impacts during very rare (very large) flood events. A comprehensive operation and management approach is presented to achieve sustainable transportation infrastructure and reduce the likelihood of impacts to the sensitive habitat.
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Bernau, Jeremiah A., Charles G. Oviatt, Donald L. Clark, and Brenda B. Bowen. Sediment Logs Compiled From the Great Salt Lake Desert, Western Utah, With a Focus on the Bonneville Salt Flats Area. Utah Geological Survey, 2023. http://dx.doi.org/10.34191/ofr-754.

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Sediment logs from exposures, excavations, cores, and wells are valuable records that can be used to interpret depositional records, aquifer extents, and geologic structures. Here we present sediment logs compiled from the Great Salt Lake Desert (GSLD) in western Utah with a specific focus on the Bonneville Salt Flats area. The logs are grouped into three categories (shallow, alluvial fan, and deep) that may be used to explore different aspects of GSLD deposition.
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C. Harrington, R. Kelly, and K.T. Ebert. VARIATION IN EROSION/DEPOSITION RATES OVER THE LAST FIFTTY YEARS ON ALLUVIAL FAN SURFACES OF L. PLEISTOCENE-MID HOLOCENE AGE, ESTIMATIONS USING 137CS SOIL PROFILE DATA, AMARGOSA VALLEY, NEVADA. Office of Scientific and Technical Information (OSTI), 2005. http://dx.doi.org/10.2172/884944.

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Smith, I. R., R. C. Paulen, and G W Hagedorn. Surficial geology, northeastern Cameron Hills, Northwest Territories, NTS 85-C/3, 4, 5, and 6. Natural Resources Canada/CMSS/Information Management, 2021. http://dx.doi.org/10.4095/328129.

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The northeastern Cameron Hills comprise a Cretaceous bedrock upland, rising &amp;amp;gt;550 m above the regional boreal plains. It was inundated by the Laurentide Ice Sheet and includes much of a prominent 60 by 20 km southwest-oriented mega-scale glacial lineation field, formed in thick till. Subsequent ice flow on northeast Cameron Hills occurred north to south, and a series of lobate and ice-thrust moraines suggest glacial surging. Rotational bedrock slumps cover the eastern and northern flanks of Cameron Hills, and extensive alluvial fan deposits draining from these slopes blanket the surrounding topography. The Cameron River formed as a glacial spillway, draining southwest across the upland before turning north and draining into Tathlina Lake. An expansive raised delta and glaciolacustrine sediment cover extending up to ~295 m above sea level, south of Tathlina Lake, records impoundment of an ice-marginal lake between the northeastward-retreating Laurentide Ice Sheet and Cameron Hills.
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Knudsen, Tyler R. Interim Geologic Map of the Parowan Quadrangle, Iron County, Utah. Utah Geological Survey, 2024. http://dx.doi.org/10.34191/ofr-764.

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The Parowan 7.5' quadrangle is centered around the City of Parowan at the eastern margin of the Basin and Range Province in Iron County, southwestern Utah. The quadrangle covers part of the northwestern flank of the Markagunt Plateau and part of the adjacent Parowan Valley. Interstate 15 crosses the northwestern corner of the map area. Parowan Creek and its tributaries have carved deep canyons into the Markagunt Plateau, exposing a succession of sedimentary and volcanic rocks ranging in age from Late Cretaceous to Middle Pleistocene. The modern landscape is dominated by northeast-southwest-trending high-angle normal faults that form a series of horsts and grabens. The largest graben, Parowan Valley, is bounded by the Parowan fault on the southeast and is part of the transitional boundary between the Colorado Plateau to the east and the Basin and Range Province to the west. Large down-to-the-west displacements on the Parowan and the subparallel Paragonah faults have formed the precipitous Hurricane Cliffs. Along the base of the Hurricane Cliffs, Cretaceous through Eocene strata dip moderately to steeply northwest as part of the Cedar City-Parowan monocline, indicating that the eastward progression of Sevier deformation in this area extended into the Eocene. Extensive mass-wasting deposits consisting largely of Oligocene and Miocene volcanic rocks are preserved within four major northeast-trending grabens that traverse the Markagunt Plateau and are absent on upthrown blocks. Mass-wasting deposits range from Miocene regional-scale gravity-slide deposits to modern localized landsliding and slumping of weak, oversteepened units. The Parowan fault and nearby intrabasin faults in Parowan Valley have locally displaced Late Pleistocene to Holocene alluvial-fan deposits, indicating that the faults should be considered hazardous.
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Galvin, Jeff, and Sarah Strudd. Vegetation inventory, mapping, and characterization report, Saguaro National Park: Volume II, association summaries. Edited by Alice Wondrak Biel. National Park Service, 2021. http://dx.doi.org/10.36967/nrr-2284793.

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The Sonoran Desert Network (SODN) conducted a vegetation mapping and characterization effort at the two districts of Saguaro National Park from 2010 to 2018. This project was completed under the National Park Service (NPS) Vegetation Mapping Inventory, which aims to complete baseline mapping and classification inventories at more than 270 NPS units. The vegetation map data were collected to provide park managers with a digital map product that meets national standards of spatial and thematic accuracy, while also placing the vegetation into a regional and national context. A total of 97 distinct vegetation communities were described: 83 exclusively at the Rincon Mountain District, 9 exclusively at the Tucson Mountain District, and 5 occurring in both districts. These communities ranged from low-elevation creosote (Larrea tridentata) shrub-lands spanning broad alluvial fans to mountaintop Douglas fir (Pseudotsuga menziesii) forests on the slopes of Rincon Peak. All 97 communities were described at the association level, each with detailed narratives including lists of species found in each association, their abundance, landscape features, and overall community structural characteristics. Only 15 of the 97 vegetation types were existing “accepted” types within the National Vegetation Classification (NVC). The others are newly described and specific to Saguaro National Park (and will be proposed for formal status within the NVC). This document is Volume II of three volumes comprising the Saguaro National Park Vegetation Mapping Inventory. This volume provides two-page summaries of the 97 associations identified and mapped during the project, and detailed in Volume I. Summaries are presented by district, starting with the Tucson Mountain District. These summaries are abridged versions of the full association descriptions found in Volume III.
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Galvin, Jeff, and Sarah Studd. Vegetation inventory, mapping, and characterization report, Saguaro National Park: Volume III, type descriptions. Edited by Alice Wondrak Biel. National Park Service, 2021. http://dx.doi.org/10.36967/nrr-2284802.

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Abstract:
The Sonoran Desert Network (SODN) conducted a vegetation mapping and characterization effort at the two districts of Saguaro National Park from 2010 to 2018. This project was completed under the National Park Service (NPS) Vegetation Mapping Inventory, which aims to complete baseline mapping and classification inventories at more than 270 NPS units. The vegetation map data were collected to provide park managers with a digital map product that meets national standards of spatial and thematic accuracy, while also placing the vegetation into a regional and national context. A total of 97 distinct vegetation communities were described: 83 exclusively at the Rincon Mountain District, 9 exclusively at the Tucson Mountain District, and 5 occurring in both districts. These communities ranged from low-elevation creosote (Larrea tridentata) shrub-lands spanning broad alluvial fans to mountaintop Douglas fir (Pseudotsuga menziesii) forests on the slopes of Rincon Peak. All 97 communities were described at the association level, each with detailed narratives including lists of species found in each association, their abundance, landscape features, and overall community structural characteristics. Only 15 of the 97 vegetation types were existing “accepted” types within the NVC. The others are newly de-scribed and specific to Saguaro National Park (and will be proposed for formal status within the NVC). This document is Volume III of three volumes comprising the Saguaro National Park Vegetation Mapping Inventory. This volume provides full type descriptions of the 97 associations identified and mapped during the project, and detailed in Volume I. Volume II provides abridged versions of these full descriptions, briefly describing the floristic and structural characteristics of the vegetation and showing representative photos of associations, their distribution, and an example of the satellite imagery for one polygon.
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