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Academic literature on the topic 'Physical-geographic regionalization'
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Journal articles on the topic "Physical-geographic regionalization"
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Veshtort, A. M., S. I. Kashkevich, S. B. Kostyukevich, V. V. Krasnoproshin, and S. G. Sinyakovich. "A GEOGRAPHIC INFORMATION SYSTEM FOR PHYSICAL-GEOGRAPHIC REGIONALIZATION." Mapping Sciences and Remote Sensing 25, no. 4 (October 1988): 284–90. http://dx.doi.org/10.1080/07493878.1988.10641729.
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Sellami, H., I. La Jeunesse, S. Benabdallah, N. Baghdadi, and M. Vanclooster. "Uncertainty analysis in model parameters regionalization: a case study involving the SWAT model in Mediterranean catchments (Southern France)." Hydrology and Earth System Sciences 18, no. 6 (June 26, 2014): 2393–413. http://dx.doi.org/10.5194/hess-18-2393-2014.
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Abstract. In this study a method for propagating the hydrological model uncertainty in discharge predictions of ungauged Mediterranean catchments using a model parameter regionalization approach is presented. The method is developed and tested for the Thau catchment located in Southern France using the SWAT hydrological model. Regionalization of model parameters, based on physical similarity measured between gauged and ungauged catchment attributes, is a popular methodology for discharge prediction in ungauged basins, but it is often confronted with an arbitrary criterion for selecting the "behavioral" model parameter sets (Mps) at the gauged catchment. A more objective method is provided in this paper where the transferrable Mps are selected based on the similarity between the donor and the receptor catchments. In addition, the method allows propagating the modeling uncertainty while transferring the Mps to the ungauged catchments. Results indicate that physically similar catchments located within the same geographic and climatic region may exhibit similar hydrological behavior and can also be affected by similar model prediction uncertainty. Furthermore, the results suggest that model prediction uncertainty at the ungauged catchment increases as the dissimilarity between the donor and the receptor catchments increases. The methodology presented in this paper can be replicated and used in regionalization of any hydrological model parameters for estimating streamflow at ungauged catchment.
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Sellami, H., I. La Jeunesse, S. Benabdallah, N. Baghdadi, and M. Vanclooster. "Uncertainty analysis in model parameters regionalization: a case study involving the SWAT model in Mediterranean catchments (Southern France)." Hydrology and Earth System Sciences Discussions 10, no. 4 (April 18, 2013): 4951–5011. http://dx.doi.org/10.5194/hessd-10-4951-2013.
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Abstract. In this study a method for propagating the hydrological model uncertainty in discharge predictions of ungauged Mediterranean catchments using a model parameter regionalization approach is presented. The method is developed and tested for the Thau catchment located in southern France using the SWAT hydrological model. Regionalization of model parameters based on physical similarity measured between gauged and ungauged catchments attributes is a popular methodology for discharge prediction in ungauged basins, but it is often confronted with an arbitrary criterion for selecting the "behavioral" model parameters sets (Mps) at the gauged catchment. A more objective method is provided in this paper where the transferrable Mps are selected based on the similarity between the donor and the receptor catchments. In addition, the method allows propagating the modeling uncertainty while transferring the Mps to the ungauged catchments. Results indicate that physically similar catchments located within the same geographic and climatic region may exhibit similar hydrological behavior and can also be affected by similar model prediction uncertainty. Furthermore, the results suggest that model prediction uncertainty at the ungauged catchment increases as the dissimilarity between the donor and the receptor catchments increases. The methodology presented in this paper can be replicated and used in regionalization of any hydrological model parameters for estimating streamflow at ungauged catchment.
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Nuñez Galeano, Lisandro, and Juan Diego Giraldo-Osorio. "Adaptation of the L-Moments Method for the Regionalization for Maximum Annual Temperatures in Colombia." Ingenieria y Universidad 20, no. 2 (June 20, 2016): 373. http://dx.doi.org/10.11144/javeriana.iyu20-2.almr.
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<p>The current study aims at developing a regional frequency analysis for Maximum Annual Temperature (MAT) in the hydrographic basins of Colombia. The methodology that was implemented for the regionalization is the <em>L-Moments</em>, proposed by Hosking (1990). The work was performed in five stages: data analysis, computing of <em>L-Moments</em>, identification of homogeneous regions, selection of probability and distribution of the density function and estimation of quantities, and finally the construction of regionalized maps. Overall, fifteen (15) homogeneous regions were identified and selected for annual maximum temperature, which meet certain criteria of homogeneity and discordance. Several distributions for regional frequency analysis were tested in order to select the best probability function: the Z<sup>DIST</sup> statistic was used, considering that the absolute value must be smaller than 1,64. Finally, temperature maps were generated for different return periods. Using the <em>L-Moments</em> methodology, the regionalization procedure was done using the annual average maximum temperature as the key scale parameter. However, the regionalization procedure was done using the geographic location; the physical parameters by gauging stations (Wallis, 2007), with stations located in the same catchment, and considering the coherent-basins approach.</p>
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Dongming, Xie, Jin Guohua, Zhou Yangming, Jiao Gengying, Huang Lingguang, Yan Yuping, and Dai Xingzhao. "Ecological function zoning of Poyang Lake wetland: a RAMSAR site in China." Water Policy 15, no. 6 (August 5, 2013): 922–35. http://dx.doi.org/10.2166/wp.2013.181.
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Ecological function zoning involves the spatial delineation of ecological functions based on the physical environment and ecosystem service functions, as well as the demands of eco-environmental protection and socio-economic development of the area according to the theory of ecological function regionalization. In this context, we defined the boundary of Poyang Lake wetland using geographic information system (GIS) technology based on an analysis of hydrological characteristics. The wetland area was determined as 5,186 km2. The characteristics of the natural environment and ecosystem service functions of Poyang Lake wetland were also appraised, with five ecological function areas classified; namely, ‘vitally important’, ‘highly important’, ‘important’, ‘slightly important’, and ‘restored’ zones. The spatial distribution and amounts of each zone were established. The areas of each zone were found to be: 276; 683; 1,164; 2,158; and 890 km2 respectively.
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Stepic, Milomir. "Regionalization in the function of internal political-territorial reintegration of Serbia." Zbornik Matice srpske za drustvene nauke, no. 112-113 (2002): 127–47. http://dx.doi.org/10.2298/zmsdn0213127s.
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Internal political-territorial structure of the state is being formed independently from its physical-geographic, anthropogeographic, historical ethno-confessional, cultural, communicational, geopolitical, interpolitical external-political and other factors. Its stability, duration and harmony could be achieved by using the complex principle for forming and marking of territorial units. However, their forming sometimes could be the result of administrative, or even ideological - political division of space. This imposed load and historical heritage could be found in Serbia - from the World War II to the modern ideas about the reshaping of Serbian political-territorial organization. Regionalization and constitution of Serbia as a regional state is a good base for eliminating destructive and centrifugal geopolitical processes that lead to the territorial disintegration of state, and at the same time it is a precondition for the decentralization that would provide a more efficient economy for the interest of population. Relatively small number of regions (the most usual is six), with a large area and a large population is not in accord with the needs of modern Serbia. Only organization of Serbia as a regional state with thirteen political-territorial units that, with some exceptions, would have 5.000-10.000 km2 and 500.000-1.000.000 residents, would have reintegrational geopolitical effects. Interregional connections would be intensive and solid, territorial and economic individuality inside the regions couldn't be changed into autarchy, etatism and centralization of newly formed regions. The basic function of suggested regions Backa, Banat, Srem and Macva Belgrade, Podunavlje, Western Serbia, Central Serbia, Eastern Serbia, Old Raska, Nis, Southeastern Serbia, Metohija and Kosovo would be to "dismantle" the present anachronic political-territorial division, to reduce and cancel fragmental and barrier effects of internal (provincial) borders and to be in the function of modernization and reintegration of Serbia in the near future.
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Powers, Ryan P., Nicholas C. Coops, Jessica L. Morgan, Michael A. Wulder, Trisalyn A. Nelson, Charles R. Drever, and Steven G. Cumming. "A remote sensing approach to biodiversity assessment and regionalization of the Canadian boreal forest." Progress in Physical Geography: Earth and Environment 37, no. 1 (August 24, 2012): 36–62. http://dx.doi.org/10.1177/0309133312457405.
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Successful conservation planning for the Canadian boreal forest requires biodiversity data that are both accessible and reliable. Spatially exhaustive data is required to inform on conditions, trends and context, with context enabling consideration of conservation opportunities and related trade-offs. However, conventional methods for measuring biodiversity, while useful, are spatially constrained, making it difficult to apply over wide geographic regions. Increasingly, remotely sensed imagery and methods are seen as a viable approach for acquiring explicit, repeatable and multi-scale biodiversity data over large areas. To identify relevant remotely derived environmental indicators specific to biodiversity within the Canadian boreal forest, we assessed indicators of the physical environment such as seasonal snow cover, topography and vegetation production. Specifically, we determined if the indicators provided distinct information and whether they were useful predictors of species richness (tree, mammal, bird and butterfly species). Using cluster analysis, we also assessed the applicability of these indicators for broad ecosystem classification of the Canadian boreal forest and the subsequent attribution of these stratified regions (i.e. clusters). Our results reveal that the indicators used in the cluster creation provided unique information and explained much of the variance in tree (92.6%), bird (84.07%), butterfly (61.4%) and mammal (22.6%) species richness. Spring snow cover explained the most variance in species richness. Results further show that the 15 clusters produced using cluster analysis were principally stratified along a latitudinal gradient and, while varied in size, captured a range of different environmental conditions across the Canadian boreal forest. The most important indicators for discriminating between the different cluster groups were seasonal greenness, a multipart measure of climate, topography and land use, and wetland cover, a measure of the percentage of wetland within a 1 km2 cell.
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Santos, Ronaldo Medeiros dos, Sérgio Koide, Bruno Esteves Távora, and Daiana Lira de Araujo. "Abacus to Predict Groundwater Recharge at Non-Instrumented Hydrographic Basins." Water 12, no. 11 (November 4, 2020): 3090. http://dx.doi.org/10.3390/w12113090.
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One of the first steps to implement a policy for groundwater resources management is knowing the groundwater recharge. However, the unavailability of data and resources to execute field studies increase the uncertainty associated with the estimation of groundwater recharge. To fill this gap, the present work aimed to propose a method to predict groundwater recharge at non-instrumented hydrographic basins. The approach proposed is based on using an abacus to execute the transposition and/or regionalization of results generated in an experimental basin. The methodology comprised the estimation and mapping of recharge rates in the experimental basin using three distinct approaches—numerical modelling of the saturated zone, distributed hydrological modelling of the vadose zone, and the method of fluctuation of the water table elevation—and the following generation of the abacus, with average recharge values for combinations of soil class, land use/cover and slope using geographic information systems. The results indicate that the abacus is consistent for some Ferrasol areas, that the reliability of average regionalized values depends on the complexity of the physical environment—soil class, land use/cover, and slope—and that new studies, focusing on the hydro-physical characterization of soils, might produce more reliable estimations.
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Nesterchuk, I. "Physico-geographic distribution of Right Bank Polissya: prospects for development of specialties of tourism." Physical Geography and Geomorphology 89, no. 1 (2018): 41–48. http://dx.doi.org/10.17721/phgg.2018.1.06.
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The territory of the study of the Right Bank Polissya in this article is extremely vivid and dotted, it is possible to outline the following main tasks: the territorial physical and geographical differentiation of the region in the context of the methodology of studying the food traditions of the Polischuk; assessment of the territory for the prospects of practical management of gastronomic tourism within the united territorial communities. In general, the Polesie region is not a zonal phenomenon, and its origin is connected with paleogeographic conditions of anthropogeny, therefore it is the physical and geographical edge of the zone of mixed forests of the East European country. The involvement of geographic science in the study of the history of food prints of the Polyschuk in the original landscapes of residence deserves detailed study. The nutrition of the Polischuk apparently bears the landscape-specific consumption of food in certain areas. Organically healthy food demonstrates the geological past and predicts a nutrition system at the present stage without paying attention to the pace of the urban food culture. Under certain circumstances and with the complication of natural conditions, the gastronomy of the Polischuk differed by simple gastronomic markers, but not coarse and not perfect processes for the preparation of autochthonous dishes. The consideration of the physical and geographical preconditions for the formation of gastronomic tourism resources in the region contributed to the popularization of the gastronomic industry in a certain retrospective period. In Ukraine, tourism was underdeveloped, until 1914, when tourism activities were carried out by the Russian Society of Tourists and the Polish Local History Society. The study of physical and geographical regionalization of the region at an angle of gastronomic tourism is almost unknown. At the time there is a rather interesting scientific issue for the territory of the Right-bank Polissya in the reflections of the feeding of the Polischuk. But a significant financial leverage for the development of the united territorial communities is to have gastronomic tours within the boundaries of their original habitats and the transfer of gastronomic practices to a wide tourist community
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Laruelle, G. G., H. H. Dürr, R. Lauerwald, J. Hartmann, C. P. Slomp, N. Goossens, and P. A. G. Regnier. "Global multi-scale segmentation of continental and coastal waters from the watersheds to the continental margins." Hydrology and Earth System Sciences 17, no. 5 (May 29, 2013): 2029–51. http://dx.doi.org/10.5194/hess-17-2029-2013.
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Abstract. Past characterizations of the land–ocean continuum were constructed either from a continental perspective through an analysis of watershed river basin properties (COSCATs: COastal Segmentation and related CATchments) or from an oceanic perspective, through a regionalization of the proximal and distal continental margins (LMEs: large marine ecosystems). Here, we present a global-scale coastal segmentation, composed of three consistent levels, that includes the whole aquatic continuum with its riverine, estuarine and shelf sea components. Our work delineates comprehensive ensembles by harmonizing previous segmentations and typologies in order to retain the most important physical characteristics of both the land and shelf areas. The proposed multi-scale segmentation results in a distribution of global exorheic watersheds, estuaries and continental shelf seas among 45 major zones (MARCATS: MARgins and CATchments Segmentation) and 149 sub-units (COSCATs). Geographic and hydrologic parameters such as the surface area, volume and freshwater residence time are calculated for each coastal unit as well as different hypsometric profiles. Our analysis provides detailed insights into the distributions of coastal and continental shelf areas and how they connect with incoming riverine fluxes. The segmentation is also used to re-evaluate the global estuarine CO2 flux at the air–water interface combining global and regional average emission rates derived from local studies.