Littérature scientifique sur le sujet « Tagliamento River »

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Articles de revues sur le sujet "Tagliamento River"

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Petti, Marco, Silvia Bosa et Sara Pascolo. « A Bidimensional Model of the Tagliamento River ». IOP Conference Series : Materials Science and Engineering 1203, no 2 (1 novembre 2021) : 022103. http://dx.doi.org/10.1088/1757-899x/1203/2/022103.

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Abstract The propagation of a flood wave is a very challenging topic, crucial in managing the flood risk. In the literature, several numerical models have been proposed to deal with this issue; most of them need the roughness coefficients to be assigned by the operator. The bottom roughness calibration of floodplains and channels represents a key point for flood studies, because it can heavily influence the results of any kind of numerical simulation. In this study, a numerical model is applied to the Tagliamento River, in North-East Italy. One of the main characteristics of this river is its natural environment, which changes from a very wide braided channel in the middle course to a narrow meandering river moving towards the sea. This makes the bed roughness extremely variable along the river, with different kind of vegetation, braiding, different grain size, meandering, etc. In this regard, particular care should be devoted to the roughness coefficient attribution and calibration. In the present paper, we present the detailed step of calibration and validation of a bidimensional numerical model on the Tagliamento River. A novel method to assign and calibrate roughness coefficient is introduced. Finally, the model is validated against two main flood events occurred in 1966 and 1996.
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Scaini, Anna, Ana Stritih, Constance Brouillet et Chiara Scaini. « What locals want : citizen preferences and priorities for the Tagliamento River ». Environmental Research Letters 17, no 2 (1 février 2022) : 025008. http://dx.doi.org/10.1088/1748-9326/ac4d50.

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Abstract Sustainable river management frameworks are based on the connection between citizens and nature. So far, though, the relationship between rivers and local populations has played a marginal role in river management. Here, we present a blueprint questionnaire to characterize the perception of cultural ecosystem services (CES) by locals, and how preferences change across the river landscape. We investigate how locals value the river and whether their preferences are affected by characteristics such as place of residence, age, frequency of visits and relation to the river. The questionnaire was filled in by more than 4000 respondents, demonstrating huge interest and willingness to contribute to the project. A striking 85% of respondents identify a spiritual value of the river, suggesting a strong emotional connection. River conservation is the main priority for most respondents across the different groups. The map of favorite places shows that most of the river is appreciated by locals, with a high preference for the landscape of the braided middle course. The most valued area of the river, located in the middle course, faces threats due to dam construction projects, which would modify the natural course of the river and likely impact the favorite places of the locals. Our study highlights discrepancies between management choices and citizens´ values and priorities, and shows the need for including river values and CES in river management and their potential role for tackling conflicts. More generally, this work points out that any river intervention should be pondered carefully accounting for its environmental impact also in terms of loss of river values.
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Gurnell, Angela, et Geoffrey Petts. « Trees as riparian engineers : the Tagliamento river, Italy ». Earth Surface Processes and Landforms 31, no 12 (2006) : 1558–74. http://dx.doi.org/10.1002/esp.1342.

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De Lorenzi Pezzolo, Alessandra, Michela Colombi et Gian Antonio Mazzocchin. « Spectroscopic and Chemometric Comparison of Local River Sands with the Aggregate Component in Mortars from Ancient Roman Buildings Located in the X Regio Between the Livenza and Tagliamento Rivers, Northeast Italy ». Applied Spectroscopy 72, no 10 (26 juillet 2018) : 1528–37. http://dx.doi.org/10.1177/0003702818789140.

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A combined spectroscopic–chemometric approach is used to investigate the possible sources of material exploited by the Romans to build four domus and a public thermae complex (I century BC–II century AD) located in the X Regio portion between the rivers Livenza and Tagliamento in northeast Italy. The rounded grain shapes observed in the aggregates recovered from the mortar fragments suggest that the rivers flowing close to the archaeological sites are the most likely sources of material. Coarse-grained sediment samples from nine rivers and streams in this area are examined and their similarities to the aggregate samples evaluated. The diffuse reflection Fourier transform infrared (FT-IR) spectra of the sand samples in the 63–420 µm fraction, consisting mainly of carbonates and silicates, are studied and compared in suitable spectral ranges through principal components analysis. As an additional step, the relationship between the most significant scores plots and the composition of the samples is investigated using appropriate descriptive indexes obtained from the spectra. The analysis performed on the river sand spectra alone shows that the samples from the easternmost Lemene and Tagliamento rivers present a behavior distinct from that of the western rivers (Cosa, Livenza, Meduna, Meschio, and Noncello), in agreement with their present location and past history. All the aggregate spectra investigated are compatible with the spectral characteristics of the samples from the Tagliamento and Lemene rivers, except for those from the Torre di Pordenone site, which are more similar to the sand spectra of the western rivers.
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Arscott, David B., Klement Tockner et J. V. Ward. « Thermal heterogeneity along a braided floodplain river (Tagliamento River, northeastern Italy) ». Canadian Journal of Fisheries and Aquatic Sciences 58, no 12 (1 décembre 2001) : 2359–73. http://dx.doi.org/10.1139/f01-183.

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Daily and seasonal water temperature patterns were investigated at 22 habitats in five geomorphic reaches along an Alpine-Mediterranean river. Study reaches spanned 2nd- to 7th-order river segments. Habitats included headwater streams, main and secondary channels, backwaters, and isolated pools. Multiple linear regression analyses extracted elevation and azimuth (aspect) out of eight geographical and environmental variables to explain average daily temperature patterns among habitats. Azimuth and, to a lesser degree, slope, depth, velocity, and canopy were primary determinants of diel temperature amplitude and maximum rates of diel heating and cooling. Within lowland floodplain reaches, the relative influence of groundwater and surface water varied substantially among habitats. Thermal variation among habitats was greatest in lowland floodplain reaches (nearly 15°C difference). In summer and autumn, variation between lowland floodplain aquatic habitats exceeded thermal variation observed in the main channel along the entire river corridor (120 km; 5–1100 m above sea level). Spatiotemporal variation in temperature was greatest in lower reaches owing to the interaction of water level and connectivity of isolated water bodies. Influence of groundwater and cool-water tributaries exemplified the importance of local factors (geomorphology and hydrology) superimposed on regional factors (climate and altitude) in determining large-scale thermal patterns.
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Tockner, Klement, James V. Ward, David B. Arscott, Peter J. Edwards, Johannes Kollmann, Angela M. Gurnell, Geoffrey E. Petts et Bruno Maiolini. « The Tagliamento River : A model ecosystem of European importance ». Aquatic Sciences - Research Across Boundaries 65, no 3 (1 septembre 2003) : 239–53. http://dx.doi.org/10.1007/s00027-003-0699-9.

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Arscott, Dave B., Klement Tockner, Dimitry van der Nat et J. V. Ward. « Aquatic Habitat Dynamics along a Braided Alpine River Ecosystem (Tagliamento River, Northeast Italy) ». Ecosystems 5, no 8 (décembre 2002) : 0802–14. http://dx.doi.org/10.1007/s10021-002-0192-7.

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Ward, J. V., K. Tockner, P. J. Edwards, J. Kollmann, G. Bretschko, A. M. Gurnell, G. E. Petts et B. Rossaro. « A reference river system for the Alps : the ‘Fiume Tagliamento’ ». Regulated Rivers : Research & ; Management 15, no 1-3 (janvier 1999) : 63–75. http://dx.doi.org/10.1002/(sici)1099-1646(199901/06)15:1/3<63 ::aid-rrr538>3.0.co;2-f.

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GUNAWARDHANA, Luminda, et So KAZAMA. « SNOW AND GLACIER CONTRIBUTION FROM ITALIAN ALPS FOR SEASONAL RIVER DISCHARGE IN TAGLIAMENTO RIVER ». Journal of Japan Society of Civil Engineers, Ser. B1 (Hydraulic Engineering) 67, no 4 (2011) : I_67—I_72. http://dx.doi.org/10.2208/jscejhe.67.i_67.

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Picco, L., A. Tonon, D. Ravazzolo, R. Rainato et M. A. Lenzi. « Monitoring river island dynamics using aerial photographs and lidar data : the tagliamento river study case ». Applied Geomatics 7, no 3 (6 septembre 2014) : 163–70. http://dx.doi.org/10.1007/s12518-014-0139-7.

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Thèses sur le sujet "Tagliamento River"

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Iordan, Francesca. « Small mammal dynamics within a natural river corridor, Fiume Tagliamento, NE Italy ». Thesis, King's College London (University of London), 2016. https://kclpure.kcl.ac.uk/portal/en/theses/small-mammal-dynamics-within-a-natural-river-corridor-fiume-tagliamento-ne-italy(7f5c1eba-78d6-4530-935d-a1095c6fd96d).html.

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This PhD thesis explores the effects of spatial arrangements of riparian landscape elements and food resources on community and population dynamics of small mammals within a braided section of the River Tagliamento in Italy. The main research questions addressed were: (1) Which variables affect small mammal diversity on river islands? (2) Do small mammal populations inhabiting river islands differ in their life histories compared to riparian forest populations (the ‘island syndrome’)? (3) Is there a difference in the spatial behaviour of small mammals inhabiting the riparian forest compared to those on the islands? Three rodent species were used as focal species to address these questions: Apodemus sylvaticus, A. flavicollis and A. agrarius. The expectations were that small mammal dynamics did not fit completely island biogeography and life-history models developed for oceanic islands because islands in the present study are characterised by a low degree of isolation from the surroundings, by an ephemeral nature due to periodical flooding and by a low availability of food resources for small mammals. The main findings confirm these expectations, with the three species only partially following the predictions both at community and population ecology levels. Of the three species, A. sylvaticus was the most insular and more closely followed the predictions, in particular that of the island syndrome. Small mammal diversity on the islands was affected by island area, by the flooding dynamics and by resource availability. Finally, home ranges of A. agrarius were much larger on the islands than in the riparian forest. The findings suggest that river islands in the study area are a lower-quality habitat, partly due to their ephemeral nature, but the presence of habitat heterogeneity introduced by the islands allows for the rich community of small mammals to segregate, hence increasing species diversity at a landscape level.
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Francis, Robert Aaron. « Riparian tree establishment and river island formation within the active zone of the River Tagliamento, Northeast Italy ». Thesis, University of Birmingham, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.409027.

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Within the active zone of rivers, riparian vegetation dynamics are controlled by ecological and hydro geomorphological processes and their interactions. Within Europe, understanding of natural riparian tree establishment has been limited by a lack of unregulated, natural river systems. This thesis examines key biotic and abiotic factors influencing the establishment of three riparian tree species, Populus nigra, Salix elaeagnos and Alnus incana, that grow within the active zone of the River Tagliamento, a morphologically-intact alpine/mediterranean river in Northeast Italy. Field observation, field experimentation and greenhouse experiments indicate: (i) Interspecific and propagule form variations in survival and growth response to hydrogeomorphic conditions: P. nigra cuttings performed best in low free-draining sites with a small proportion of fine sediment but which were not subject to prolonged inundation, while seedlings preferred fine sediments and higher elevations. Salix elaeagnos cuttings performed best at lower elevations, with a preference for mixed sediments, and proved tolerant to drought and inundation. S. elaeagnos seedlings grew best at higher elevations and in coarse/mixed substrates. Alnus incana cuttings only grew in fine sediments under stable water levels in greenhouse experiments; mortality was total in field experiments. Deposited trees of an species survived better at lower elevations. (ii) Differences in growth rates according to propagule type: cuttings grew twice as fast as seedlings in the first year but not in the second, and whole deposited trees produced far higher levels of shoot growth and biomass. (iii) Timing of deposition in the growing season and size of propagule also significantly affected performance. These results suggest that species and propagule form directly influence the rate of vegetation establishment within the active zone of rivers and that plant physiology alongside hydrogeomorphology is critical to riparian vegetation dynamics. These results are explored in the context of the development of river islands, an endangered but ecologically important type of landform once common within natural, braided European rivers.
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Barnaba, Carla. « Site response estimation in alpine valleys - the case of Tagliamento river valley ». Doctoral thesis, 2007. http://hdl.handle.net/10077/2529.

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2005/2006
This thesis consists of a site effect study in an alpine valley, where seismic action is amplified by 2D basin effects. The study area was a stretch of the Tagliamento river valley, in an area between the Tolmezzo and Cavazzo Carnico municipalities, in the north-western part of the Friuli Venezia Giulia Region (NE Italy). The valley is densely inhabited and large industrial factories are situated on the quaternary alluvial deposits, where big amplifications are expected. All the available geophysical and geotechnical data on the area has been collected and new data has been acquired. An array of six stations for earthquake recording was deployed throughout the valley for 18 months . 250 noise measurements have been recorded in the plain, with more intensive detail in the two villages of Tolmezzo and Cavazzo Carnico. Conventional methods, such as spectral ratio techniques were applied to the new earthquake recordings to infer the amplification of the valley. The horizontal to vertical component ratio of noise data (H/V) indicates the crucial period of vibration of the valley. The bedrock morphology was inspected using the joint inversion of H/V ratios and the residual gravity anomaly carried out in a former study. The lack of geological information does not allow verification of the model, but the strong convergence of the two distinct methodologies makes the structural model realistic. The great success of joint techniques, although some corrections have to be made in the calculation of Quaternary sedimentary cover, gives encouraging prospects for economical, wide-ranging surveys.
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Livres sur le sujet "Tagliamento River"

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Mirmina, Emilia. Motivi nieviani nel territorio di Camino al Tagliamento. [Feletto Udinese] : Missio, 1990.

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Stolfa, M. L. Zucchi. Stagni costieri del Mediterraneo : Area di delta del F. Tagliamento (Adriatico settentrionale) = Ponds on the Mediterranean coasts : river Tagliamento delta area (northern Adriatic Sea). [Udine ? : s.n., 1985.

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Chapitres de livres sur le sujet "Tagliamento River"

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Gurnell, Angela M. « Trees, wood and river morphodynamics : results from 15 years research on the Tagliamento River, Italy ». Dans River Science, 132–55. Chichester, UK : John Wiley & Sons, Ltd, 2016. http://dx.doi.org/10.1002/9781118643525.ch7.

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Klaus, I., J. V. Ward, K. Tockner et C. Baumgartner. « Amphibian diversity and nestedness in a dynamic floodplain river (Tagliamento, NE-Italy) ». Dans Living Rivers : Trends and Challenges in Science and Management, 121–33. Dordrecht : Springer Netherlands, 2006. http://dx.doi.org/10.1007/1-4020-5367-3_8.

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Surian, Nicola, et Alessandro Fontana. « The Tagliamento River : The Fluvial Landscape and Long-Term Evolution of a Large Alpine Braided River ». Dans World Geomorphological Landscapes, 157–67. Cham : Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-26194-2_13.

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Diego, Ravazzolo, Mao Luca, Garniga Bruno, Picco Lorenzo et Lenzi Mario Aristide. « Volume and Travel Distance of Wood Pieces in the Tagliamento River (Northeastern Italy) ». Dans Engineering Geology for Society and Territory - Volume 3, 135–38. Cham : Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-09054-2_26.

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Fontana, Alessandro, Matteo Frassine et Livio Ronchi. « Geomorphological and Geoarchaeological Evidence of the Medieval Deluge in the Tagliamento River (NE Italy) ». Dans Geography of the Physical Environment, 97–116. Cham : Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-23315-0_5.

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Henshaw, Alexander J., Walter Bertoldi, Gemma L. Harvey, Angela M. Gurnell et Matilde Welber. « Large Wood Dynamics Along the Tagliamento River, Italy : Insights from Field and Remote Sensing Investigations ». Dans Engineering Geology for Society and Territory - Volume 3, 151–54. Cham : Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-09054-2_30.

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Tempesta, Tiziano. « The Economic Value of Rural Landscape : An Application to the Area Between Isonzo and Tagliamento Rivers (Friuli-Venezia Giulia) ». Dans Studies in Risk and Uncertainty, 213–32. Boston, MA : Springer US, 1998. http://dx.doi.org/10.1007/978-1-4615-5741-8_11.

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« Tagliamento River ». Dans The Adriatic Sea Encyclopedia, 333. Cham : Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-50032-0_546.

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Monegato, Giovanni, et Cristina Stefani. « Preservation of a Long-Lived Fluvial System in a Mountain ChainThe Tagliamento Valley (Southeastern Italian Alps) ». Dans From River to Rock RecordThe preservation of fluvial sediments and their subsequent interpretation. SEPM Society for Sedimentary Geology, 2011. http://dx.doi.org/10.2110/sepmsp.097.359.

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Actes de conférences sur le sujet "Tagliamento River"

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Niroumand-Jadidi, Milad, et Alfonso Vitti. « Sub-pixel mapping of water boundaries using pixel swapping algorithm (case study : Tagliamento River, Italy) ». Dans SPIE Remote Sensing, sous la direction de Charles R. Bostater, Stelios P. Mertikas et Xavier Neyt. SPIE, 2015. http://dx.doi.org/10.1117/12.2194579.

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