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Relevant bibliographies by topics / Land-water interfaces

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Academic literature on the topic 'Land-water interfaces'

Author: Grafiati

Published: 4 June 2021

Last updated: 12 February 2022

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Journal articles on the topic "Land-water interfaces"

1

Wetzel, Robert G. "Land-water interfaces: Metabolic and limnological regulators." SIL Proceedings, 1922-2010 24, no. 1 (December 1990): 6–24. http://dx.doi.org/10.1080/03680770.1989.11898687.

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Ding, Lilian, Qiyao Li, Jianjun Tang, Jiangfei Wang, and Xin Chen. "Linking Land Use Metrics Measured in Aquatic–Terrestrial Interfaces to Water Quality of Reservoir-Based Water Sources in Eastern China." Sustainability 11, no. 18 (September 5, 2019): 4860. http://dx.doi.org/10.3390/su11184860.

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The effects of anthropogenic land use on the water quality of reservoir-based water sources are understudied. We trained a self-organizing map (SOM) to measure the spatial pattern of nutrients over the course of a year in 61 reservoirs located in eastern China. In the linear regression model and one-way analyses of variance, we found that water quality was influenced by period of the year (flood, low, and normal periods based on rainfall conditions) and reservoir altitude (plains vs. mountains). Our results indicated that land use metrics measured in aquatic–terrestrial interfaces significantly influenced the water quality of reservoirs. The land use intensity (LUI) and the proportion of construction land had a positive correlation with ammonia nitrogen (NH3-N) and chemical oxygen demand (CODMn) concentrations, and redundancy analysis indicated that the percent of landscape (PLAND) represented by construction land was positively correlated with CODMn, NH3-N, total phosphorus (TP), and total nitrogen (TN) concentrations. The proportion of cropland was not correlated with any water quality property except for CODMn concentration. The total explained variance for water quality was highest when the scale was large (the area defined by a 1500 m radius around the reservoir), indicating that management which ensures water safety should be carried out at this scale.

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Ilgen, Anastasia G., Nadine Kabengi, Kevin Leung, Poorandokht Ilani-Kashkouli, Andrew W. Knight, and Lourdes Loera. "Defining silica–water interfacial chemistry under nanoconfinement using lanthanides." Environmental Science: Nano 8, no. 2 (2021): 432–43. http://dx.doi.org/10.1039/d0en00971g.

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B�nziger, Ruth. "A comparative study of the zoobenthos of eight land-water interfaces (Lake of Geneva)." Hydrobiologia 300-301, no. 1 (March 1995): 133–40. http://dx.doi.org/10.1007/bf00024455.

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Liang, Gang, Xinglei Zhao, Jianhu Zhao, and Fengnian Zhou. "Feature Selection and Mislabeled Waveform Correction for Water–Land Discrimination Using Airborne Infrared Laser." Remote Sensing 13, no. 18 (September 11, 2021): 3628. http://dx.doi.org/10.3390/rs13183628.

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The discrimination of water–land waveforms is a critical step in the processing of airborne topobathy LiDAR data. Waveform features, such as the amplitudes of the infrared (IR) laser waveforms of airborne LiDAR, have been used in identifying water–land interfaces in coastal waters through waveform clustering. However, water–land discrimination using other IR waveform features, such as full width at half maximum, area, width, and combinations of different features, has not been evaluated and compared with other methods. Furthermore, false alarms often occur when water–land discrimination in coastal areas is conducted using IR laser waveforms because of environmental factors. This study provides an optimal feature for water–land discrimination using an IR laser by comparing the performance of different waveform features and proposes a dual-clustering method integrating K-means and density-based spatial clustering applications with noise algorithms to improve the accuracy of water–land discrimination through the clustering of waveform features and positions of IR laser spot centers. The proposed method is used for practical measurement with Optech Coastal Zone Mapping and Imaging LiDAR. Results show that waveform amplitude is the optimal feature for water–land discrimination using IR laser waveforms among the researched features. The proposed dual-clustering method can correct mislabeled water or land waveforms and reduce the number of mislabeled waveforms by 48% with respect to the number obtained through traditional K-means clustering. Water–land discrimination using IR waveform amplitude and the proposed dual-clustering method can reach an overall accuracy of 99.730%. The amplitudes of IR laser waveform and the proposed dual-clustering method are recommended for water–land discrimination in coastal and inland waters because of the high accuracy, resolution, and automation of the methods.

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Rood, Stewart B., Michael L. Scott, Mark Dixon, Eduardo González, Christian O. Marks, Patrick B. Shafroth, and Malia A. Volke. "Ecological Interfaces between Land and Flowing Water: Themes and Trends in Riparian Research and Management." Wetlands 40, no. 6 (December 2020): 1801–11. http://dx.doi.org/10.1007/s13157-020-01392-4.

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Bolpagni, Rossano, Alex Laini, Tiziana Mutti, Pierluigi Viaroli, and Marco Bartoli. "Connectivity and habitat typology drive CO2 and CH4 fluxes across land-water interfaces in lowland rivers." Ecohydrology 12, no. 1 (September 14, 2018): e2036. http://dx.doi.org/10.1002/eco.2036.

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Dezső, József, Szabolcs Czigány, Gábor Nagy, Ervin Pirkhoffer, Marcin Słowik, and Dénes Lóczy. "Monitoring soil moisture dynamics in multilayered Fluvisols." Bulletin of Geography. Physical Geography Series 16, no. 1 (June 18, 2019): 131–46. http://dx.doi.org/10.2478/bgeo-2019-0009.

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Abstract The identification of drought-sensitive areas (DSAs) in floodplain Fluvisols of high textural pedodiversity is crucial for sustainable land management purposes. During extended drought periods moisture replenishment is only available by capillary rise from the groundwater. However, moisture flux is often hindered by capillary barriers in the interface between layers of contrasting textures. The results of HYDRUS-1D simulations run on multilayered soil profiles were integrated into textural maps to determine the spatial distribution of water dynamics on the floodplain of the Drava River (SW Hungary). Model runs and field data revealed limited moisture replenishment by capillary rise when both contrasting textural interfaces and sandy layers are present in the profile. By implementing these textural and hydraulic relations, a drought vulnerability map (DSA map) of the operational area of the Old Drava Programme (ODP) was developed. According to the spatial distribution of soils of reduced capillary rise, 52% of the ODP area is likely threatened by droughts. Our model results are adaptable for optimisation of land- and water-management practices along the floodplains of low-energy and medium-sized rivers under humid continental and maritime climates.

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Chu, D. K. Y. "Government Policies, Economic Development, and Possible Environmental Effects at the Land-Water Interfaces of Guangdong Province, China." Marine Resource Economics 3, no. 1 (January 1986): 29–44. http://dx.doi.org/10.1086/mre.3.1.42628916.

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Wahren, A., K. Berkhoff, S. Herrmann, and K. H. Feger. "Building an integrated modeling framework for assessing land-use change and its consequences for areal water balance in mountainous Southwest China." Advances in Geosciences 27 (September 7, 2010): 71–77. http://dx.doi.org/10.5194/adgeo-27-71-2010.

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Abstract. The opening up of China's industry towards market orientation has a distinct impact on natural resources as well as on social structures. The example of rubber introduction in Yunnan province (SW China) shows the mutual interdependencies between economy, natural resources, and social structures. We assess the impacts of rubber introduction and possible development paths in the study area. An integrated modeling framework (NabanFrame) is developed for the catchment of the Naban River (size 270 km2), a tributary to the Mekong River. NabanFrame comprises an agro-economic, ecological, and social model. Altogether they interact with a land-use change model via defined interfaces. Effects on the water cycle are considered by additionally integrating the spatially distributed rainfall-runoff and water balance model AKWA-M® in the model framework. Therefore, a reasonable parameterization is needed to assess the land-use changes on areal water fluxes. The authors conclude that the chosen hydrological model is able to assess the impacts of land conversion (from forest to rubber plantations) on catchment hydrology and address further adaptations to be implemented in the hydrological model.

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Dissertations / Theses on the topic "Land-water interfaces"

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Shibuo, Yoshihiro. "Modelling water and solute flows at land-sea and land-atmosphere interfaces under data limitations." Doctoral thesis, Stockholm : Department of Physical Geography and Quaternary Geology, Stockholm University, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-6834.

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Corra, Joseph William. "Aerial Insectivorous Birds Linked to Water Quality and Climate in Urbanizing Landscapes." The Ohio State University, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=osu1546608385733753.

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Heyes, Scott Alexander. "Inuit knowledge and perceptions of the land-water interface." Thesis, McGill University, 2007. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=18292.

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The Inuit of Kangiqsualujjuaq have maintained functional and spiritual connections with the landscape and waters of Arctic Quebec (Nunavik) for over four thousand years. While ethnographic studies about this ocean-going population have revealed their pragmatic relationships with the arctic milieu, less is known, however, about their perceptions of terrestrial and aquatic realms. Three fieldtrips to Kangiqsualujjuaq were undertaken between 2003 and 2005 to explore how three generations of Inuit perceived the land-water interface, a geographical setting regularly frequented and considered spiritually important to the Inuit. Surveys were carried out to determine whether Inuit regarded the sea as an extension of the “land”, a way of thinking about space that is common among indigenous islanders in southern latitudes. The research reported in this thesis involved the participation of thirty-four Inuit men and women from six families, whose ancestors once lived in separate hunting camps along the Ungava Bay coast. Using an intergenerational approach to explore whether perceptions of the land-water interface were consistent or inconsistent across and between generations, the cohort responded to questions about spatial concepts, travel patterns, traditional narratives, senses of place, and hunting knowledge. A series of drawing exercises, which were designed to understand how the cohort perceived the land-water interface pictorially, were performed by 13 Inuit participants and 14 Inuit adolescent students from the local School. Traditional methods of Inuit learning and transmitting knowledge about the land-water interface were also investigated to ascertain the extent to which pedagogical instruments underpin and mould Inuit perceptions of this setting. A series of knowledge-maps/trees were subsequently created for each family unit to illustrate the flow of traditional knowledge both among and across Inuit generations. The data derived from interviews and the draw
L’Inuit de Kangiqsualujjuaq a maintenu pendant plus de quatre mille ans, des connections fonctionnelles et spirituelles avec le paysage et les eaux du Québec Arctique. Bien que des études ethnographiques sur cette population océanographique aient révélé leurs relations pragmatiques avec le milieu arctique, il existe moins de connaissances dans le domaine de leurs perceptions terrestres et aquatiques. Entre les années 2003 et 2005, trois voyages d’études à Kangiqsualujjuaq ont été entrepris pour explorer comment trois générations d’Inuits perçoivent l’interface terre/eau; un cadre géographique régulièrement fréquenté et considéré important spirituellement par l’Inuit. Des sondages ont été effectués pour déterminer si l’Inuit considère la mer comme une extension de la terre; une manière de pensée à propos de l’espace qui est commune entre les indigènes insulaires des latitudes sud. L’étude a impliqué la participation de trente-quatre Inuits provenant de six familles, des hommes et des femmes, dont les ancêtres ont résidé dans des camps de chasse individuels le long de la côte de la Baie d’Ungava. Utilisant une approche intergénérationnelle pour explorer si les perceptions de l’interface terre/eau étaient cohérentes ou incohérentes entre et à travers les générations, les participants ont répondu à des questions traitant de concepts spatiaux, de tendances de voyagement, de récits traditionnels, de sens du lieu et de connaissances de chasse. Une série d’exercices de dessin, qui ont été conçus afin de comprendre comment le groupe d’étude percevait en image l’interface terre/eau, furent accomplis par 13 participants Inuit du village et 14 adolescents Inuit étudiant à l’école local. Des méthodes traditionnelles d’apprentissage Inuit et de transmission des connaissances sur l’interface terre/eau furent aussi examinées afin d’établir jusqu’où les instruments pédagogiques ont é

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Salah, Ahmad M. "Stochastic spatio-temporal uncertainty in GIS-based water quality modeling of the land water interface /." Diss., CLICK HERE for online access, 2009. http://contentdm.lib.byu.edu/ETD/image/etd2790.pdf.

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Salah, Ahmad Mohamad. "Stochastic Spatio-Temporal Uncertainty in GIS-Based Water Quality Modeling of the Land Water Interface." BYU ScholarsArchive, 2009. https://scholarsarchive.byu.edu/etd/1837.

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Integrated water resources management has been used for decades in various formats. The limited resources and the ever growing population keep imposing pressure on decision makers to better-, and reliably, manage the available waters. On the other hand, the continuous development in computing and modeling power has helped modelers and decision makers considerably. To use these models, assumptions have to be made to fill in the gaps of missing data and to approximate the current conditions. The type and amount of information available can also be used to help select the best model from the currently available models. Advances in data collection have not kept up to the pace of advances in model development and the need for more and reliable input parameter values. Hence, uncertainty in model input parameters also needs to be quantified and addressed. This research effort develops a spatially-based modeling framework to model watersheds from both water quantity and quality standpoints. In this research, Gridded Surface Sub-Surface Hydrologic Analysis (GSSHA) and CE-QUAL-W2 models are linked within the Watershed Modeling System (WMS); a GIS interface for hydrologic and hydraulic models, to better handle both models pre and post processing. In addition, stochastic analysis routines are developed and used to examine and address the uncertainty inherent in the modeling process of the interface between land and water in the designated watershed. The linkage routines are developed in WMS using C++. The two models are linked spatially and temporally with the general direction of data flow from GSSHA to CE-QUAL-W2. Pre-processing of the CE-QUAL-W2 model is performed first. Then stochastic parameters and their associated distributions are defined for stochastic analysis in GSSHA before a batch run is performed. GSSHA output is then aggregated by CE-QUAL-W2 segments to generate multiple CE-QUAL-W2 runs. WMS then reads the stochastic CE-QUAL-W2 runs upon successful completion for data analysis. Modelers need to generate a WMS Gage for each location where they want to examine the stochastic output. A Gage is defined by a segment and a layer in the CE-QUAl-W2 model. Once defined, modelers are able to view a computed credible interval with lower, upper bounds in addition to the mean time series of a pre-selected constituent. Decision makers can utilize this output to better manage watersheds by understanding and incorporating the spatio-temporal uncertainty for the land-water interface.

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Hill, Timothy C. "A modelling approach to carbon, water and energy feedbacks and interactions across the land-atmosphere interface." Thesis, University of Edinburgh, 2007. http://hdl.handle.net/1842/2201.

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The climate is changing and the rate of this change is expected to increase. In the 20th century global surface temperatures rose by 0.6 (±0.2) K. Based on current model predictions, and economic forecasts, global temperature increases of 1.4 to 5.8 K are expected over the period 1990 – 2100. One of the main drivers for this temperature increase is the build up of CO2 in the atmosphere which has been increasing since pre-industrial times. Pre-industrial concentrations of CO2 were bounded between 180 ppm and 300 ppm, however the current concentrations of 380 ppm are far in excess of these bounds. Further more, forecasts indicates that a further doubling in the next century is a distinct possibility. However making predictions about the future climate is difficult. Predicting the trajectory that the climate will take uses assumptions of economic growth, technological advances and ecological and physical processes. If we are to make informed decisions regarding the future of the planet, we have to account not only for future anthropogenic emissions and land use, but we also have to identify the response of the Earth system. By its very nature the Earth is immensely complex; processes, interactions and feedbacks exist which operate on vastly different spatial and temporal scales. Each of these processes has an associated level of uncertainty. This uncertainty propagates through models and the processes and feedbacks they simulate. One of our jobs as environmental scientists is to quantify and then reduce these uncertainties. Consequently it is critical to quantify the interactions of the land-surface and the atmosphere. The role of the land-surface is critical to the response of the Earth’s climate. All general circulation models and regional scale models need representations of the land-surface. A lot of the work concerning the land-surface aims to determine the land-surface partitioning of energy, the evapotranspiration of water and if the land-surface is a sink or a source of CO2. To do achieve this we need to understand (1) the underlying processes governing the response of the land-surface, (2) the response of these processes to perturbations from climate change and humans, (3) the temporal and spatial heterogeneity in these processes, and (4) the feedbacks that land-surface processes have with the climate. In this thesis I use a coupled atmosphere-biosphere model to show current understanding of the carbon, water and energy dynamics of the biosphere and the atmosphere to be consistent with both PBL and stand-based measurements. I then use the CAB model to investigate the strength of different feedbacks between the atmosphere and biosphere. Finally the model is then used in a Monte Carlo Bayesian inversion scheme to invert atmospheric measurements to infer information about surface parameters.

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Heyes, Scott. "Inuit knowledge and perceptions of the land-water interface." 2007. http://repository.unimelb.edu.au/10187/2373.

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The Inuit of Kangiqsualujjuaq have maintained functional and spiritual connections with the landscape and waters of Arctic Quebec (Nunavik) for over four thousand years. While ethnographic studies about this ocean-going population have revealed their pragmatic relationships with the arctic milieu, less is known, however, about their perceptions of terrestrial and aquatic realms. Three fieldtrips to Kangiqsualujjuaq were undertaken between 2003 and 2005 to explore how three generations of Inuit perceived the landwater interface, a geographical setting regularly frequented and considered spiritually important to the Inuit. Surveys were carried out to determine whether Inuit regarded the sea as an extension of the “land”, a way of thinking about space that is common among indigenous islanders in southern latitudes.

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Singh, Vidya Bhushan. "User Modeling and Optimization for Environmental Planning System Design." Thesis, 2014. http://hdl.handle.net/1805/6114.

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Indiana University-Purdue University Indianapolis (IUPUI)
Environmental planning is very cumbersome work for environmentalists, government agencies like USDA and NRCS, and farmers. There are a number of conflicts and issues involved in such a decision making process. This research is based on the work to provide a common platform for environmental planning called WRESTORE (Watershed Restoration using Spatio-Temporal Optimization of Resources). We have designed a system that can be used to provide the best management practices for environmental planning. A distributed system was designed to combine high performance computing power of clusters/supercomputers in running various environmental model simulations. The system is designed to be a multi-user system just like a multi-user operating system. A number of stakeholders can log-on and run environmental model simulations simultaneously, seamlessly collaborate, and make collective judgments by visualizing their landscapes. In the research, we identified challenges in running such a system and proposed various solutions. One challenge was the lack of fast optimization algorithm. In our research, several algorithms are utilized such as Genetic Algorithm (GA) and Learning Automaton (LA). However, the criticism is that LA has a slow rate of convergence and that both LA and GA have the problem of getting stuck in local optima. We tried to solve the multi-objective problems using LA in batch mode to make the learning faster and accurate. The problems where the evaluation of the fitness functions for optimization is a bottleneck, like running environmental model simulation, evaluation of a number of such models in parallel can give considerable speed-up. In the multi-objective LA, different weight pair solutions were evaluated independently. We created their parallel versions to make them practically faster in computation. Additionally, we extended the parallelism concept with the batch mode learning. Another challenge we faced was in User Modeling. There are a number of User Modeling techniques available. Selection of the best user modeling technique is a hard problem. In this research, we modeled user's preferences and search criteria using an ANN (Artificial Neural Network). Training an ANN with limited data is not always feasible. There are many situations where a simple modeling technique works better if the learning data set is small. We formulated ways to fine tune the ANN in case of limited data and also introduced the concept of Deep Learning in User Modeling for environmental planning system.

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Books on the topic "Land-water interfaces"

1

Bhowmik, Nani G. Effects of natural and man-made events on the land-water interfaces of large river basins. Onalaska, WI: National Biological Service, Environmental Management Technical Center, 1994.

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Delta 2007 (2007 Ban Bang Saen, Thailand). Tropical deltas and coastal zones: Food production, communities, and environment at the land-water interface. Wallingford, Oxfordshire, UK: CABI, 2010.

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Delta, 2007 (2007 Ban Bang Saen Thailand). Tropical deltas and coastal zones: Food production, communities and environment at the land-water interface. Wallingford, Oxfordshire, UK: CABI, 2010.

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Hoanh, C. T., B. Szuster, S. Kam, A. Ismail, and A. Noble, eds. Tropical deltas and coastal zones: Food production, communities and environment at the land and water interface. Wallingford: CABI, 2010. http://dx.doi.org/10.1079/9781845936181.0000.

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F, Steele Kenneth, ed. Animal waste and the land-water interface. Boca Raton: Lewis Publishers, 1995.

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Kraus, Johanna M., David M. Walters, and Marc A. Mills. Contaminants and Ecological Subsidies: The Land-Water Interface. Springer, 2020.

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Hodgson, Stephen, and S. Hodgson. Land and Water: The Rights Interface (Fao Legislative Study). Food & Agriculture Organization of the UN (FA, 2005.

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(Editor), Susan W. Vince, Mary L. Duryea (Editor), Edward A. Macie (Editor), and Annie Hermansen (Editor), eds. Forests at the Wildland-Urban Interface: Conservation and Management (Integrative Studies in Water Management and Land Development). CRC, 2004.

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Book chapters on the topic "Land-water interfaces"

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Wiman, Bo L. B. "Aerosols at Air/Water/Land Interfaces: Modelling and Measurements." In Air Pollution Modeling and Its Application XIII, 687–98. Boston, MA: Springer US, 2000. http://dx.doi.org/10.1007/978-1-4615-4153-0_71.

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Bänziger, Ruth. "A comparative study of the zoobenthos of eight land—water interfaces (Lake of Geneva)." In Space Partition within Aquatic Ecosystems, 133–40. Dordrecht: Springer Netherlands, 1995. http://dx.doi.org/10.1007/978-94-011-0293-3_12.

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Downing, John P., Michel Meybeck, James C. Orr, R. R. Twilley, and H.-W. Scharpenseel. "Land and Water Interface Zones." In Terrestrial Biospheric Carbon Fluxes:, 123–37. Dordrecht: Springer Netherlands, 1993. http://dx.doi.org/10.1007/978-94-011-1982-5_8.

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Erman, N. A. "Caddisfly Adaptations to the Variable Habitats at the Land-Water Interface." In Proceedings of the Fifth International Symposium on Trichoptera, 275–79. Dordrecht: Springer Netherlands, 1987. http://dx.doi.org/10.1007/978-94-009-4043-7_50.

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Kraus, Johanna M., and Justin P. F. Pomeranz. "Cross-Ecosystem Linkages and Trace Metals at the Land-Water Interface." In Contaminants and Ecological Subsidies, 91–109. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-49480-3_5.

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Sullivan, S. Mažeika Patricio, and Daniel A. Cristol. "Ecological Networks as a Framework for Understanding and Predicting Contaminant Movement Across the Land-Water Interface." In Contaminants and Ecological Subsidies, 299–341. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-49480-3_13.

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Williams, D. Dudley. "Nutrient and flow vector dynamics at the hyporheic / groundwater interface and their effects on the interstitial fauna." In Nutrient Dynamics and Retention in Land/Water Ecotones of Lowland, Temperate Lakes and Rivers, 185–98. Dordrecht: Springer Netherlands, 1993. http://dx.doi.org/10.1007/978-94-011-1602-2_21.

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Triska, Frank J., John H. Duff, and Ronald J. Avanzino. "The role of water exchange between a stream channel and its hyporheic zone in nitrogen cycling at the terrestrial—aquatic interface." In Nutrient Dynamics and Retention in Land/Water Ecotones of Lowland, Temperate Lakes and Rivers, 167–84. Dordrecht: Springer Netherlands, 1993. http://dx.doi.org/10.1007/978-94-011-1602-2_20.

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Walters, David M., Johanna M. Kraus, and Marc A. Mills. "Introduction: Ecological Subsidies as a Framework for Understanding Contaminant Fate, Exposure, and Effects at the Land-Water Interface." In Contaminants and Ecological Subsidies, 1–14. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-49480-3_1.

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WETZEL, ROBERT G. "LAND–WATER INTERFACES: LARGER PLANTS." In Limnology, 527–75. Elsevier, 2001. http://dx.doi.org/10.1016/b978-0-08-057439-4.50022-8.

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Conference papers on the topic "Land-water interfaces"

1

San Andre´s, Luis, Thomas Soulas, Florence Challier, and Patrice Fayolle. "A Bulk-Flow Model of Angled Injection Lomakin Bearings." In ASME Turbo Expo 2002: Power for Land, Sea, and Air. ASMEDC, 2002. http://dx.doi.org/10.1115/gt2002-30287.

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The paper introduces a bulk-flow model for prediction of the static and dynamic force coefficients of angled injection Lomakin bearings. The analysis accounts for the flow interaction between the injection orifices, the supply circumferential groove, and the thin film lands. A one control-volume model in the groove is coupled to a bulk-flow model within the film lands of the bearing. Bernoulli-type relationships provide closure at the flow interfaces. Flow turbulence is accounted for with shear stress parameters and Moody’s friction factors. The flow equations are solved numerically using a robust computational method. Comparisons between predictions and experimental results for a tangential-against-rotation injection water Lomakin bearing show the novel model predicts well the leakage and direct stiffness and damping coefficients. Computed cross-coupled stiffness coefficients follow the experimental trends for increasing rotor speeds and supply pressures, but quantitative agreement remains poor. A parameter investigation evidences the effects of the groove and land geometries on the Lomakin bearing flowrate and force coefficients. The orifice injection angle does not influence the bearing static performance, although it largely affects its stability characteristics through the evolution of the cross-coupled stiffnesses. The predictions confirm the promising stabilizing effect of the tangential-against-rotation injection configuration. Two design parameters, comprising the feed orifices area and groove geometry, define the static and dynamic performance of Lomakin bearing. The analysis also shows that the film land clearance and length have a larger impact on the Lomakin bearing rotordynamic behavior than its groove depth and length.

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Salah, A. M., and E. J. Nelson. "Stochastic GIS-Based Water Resources/Quality Modeling of the Land Water Interface." In World Environmental and Water Resources Congress 2006. Reston, VA: American Society of Civil Engineers, 2006. http://dx.doi.org/10.1061/40856(200)217.

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Siddiqua, Ayasha, and Farida Nilufar. "Searching Landscape Elements from Indigenous Land-Water Interface to Develop Integrated Landscape Framework for Water Sensitive Urban Design." In 3rd International Conference of Contemporary Affairs in Architecture and Urbanism. Alanya Hamdullah Emin Paşa Üniversitesi, 2020. http://dx.doi.org/10.38027/n142020iccaua316287.

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Liu, Xin, Jianhong Xia, Graeme Wright, Lesley Arnold, and Ric Mahoney. "Identification of onshore features for delineation of the land water interface and their spatial-temporal variation using high resolution imagery." In IGARSS 2011 - 2011 IEEE International Geoscience and Remote Sensing Symposium. IEEE, 2011. http://dx.doi.org/10.1109/igarss.2011.6049477.

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Krylenko, Marina, and Marina Krylenko. "PERSPECTIVES OF THE PRACTICAL USE OF THE KIZILTASHSKY LIMAN GROUP." In Managing risks to coastal regions and communities in a changing world. Academus Publishing, 2017. http://dx.doi.org/10.21610/conferencearticle_58b431572fb6b.

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The Kiziltashsky limans are the largest water bodies of land-to-sea interface zone of the Krasnodar region Black Sea coast separated from the Black Sea by Anapa bay-bar. Their territory is included in the Perspective list of the Ramsar Convention as a unique wetland of international importance. Currently, the main type of recreational use of the liman water area is active rest. A diversity of natural conditions, a small degree of economic transformation of the landscape in combination with good transport access makes it possible to combine the active recreation forms with health-improving rest at the Anapa resort. In the presented paper the different proposals for economic use of the Kiziltashsky limans are analysed in terms of influence to geoecosystem.

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Krylenko, Marina, and Marina Krylenko. "PERSPECTIVES OF THE PRACTICAL USE OF THE KIZILTASHSKY LIMAN GROUP." In Managing risks to coastal regions and communities in a changing world. Academus Publishing, 2017. http://dx.doi.org/10.31519/conferencearticle_5b1b949177f3f2.59066561.

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The Kiziltashsky limans are the largest water bodies of land-to-sea interface zone of the Krasnodar region Black Sea coast separated from the Black Sea by Anapa bay-bar. Their territory is included in the Perspective list of the Ramsar Convention as a unique wetland of international importance. Currently, the main type of recreational use of the liman water area is active rest. A diversity of natural conditions, a small degree of economic transformation of the landscape in combination with good transport access makes it possible to combine the active recreation forms with health-improving rest at the Anapa resort. In the presented paper the different proposals for economic use of the Kiziltashsky limans are analysed in terms of influence to geoecosystem.

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Lee, Kang N. "Environmental Barrier Coatings Having a YSZ Top Coat." In ASME Turbo Expo 2002: Power for Land, Sea, and Air. ASMEDC, 2002. http://dx.doi.org/10.1115/gt2002-30626.

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Environmental barrier coatings (EBCs) with a Si bond coat, a yttria-stabilized zirconia (YSZ) top coat, and various intermediate coats were investigated. EBCs were processed by atmospheric pressure plasma spraying. The EBC durability was determined by thermal cycling tests in water vapor at 1300°C and 1400°C, and in air at 1400°C and 1500°C. EBCs with a mullite (3Al2O3·2SiO2)+BSAS (1-xBaO·xSrO·Al2O3·2SiO2) intermediate coat were more durable than EBCs with a mullite intermediate coat, while EBCs with a mullite/BSAS duplex intermediate coat resulted in inferior durability. The improvement with a mullite+BSAS intermediate coat was attributed to enhanced compliance of the intermediate coat due to the addition of a low modulus BSAS second phase. Mullite+BSAS/YSZ and BSAS/YSZ interfaces produced a low melting (<1400 °C) reaction product, which is expected to degrade the EBC performance by increasing the thermal conductivity. EBCs with a mullite+BSAS/graded mullite+YSZ intermediate coat showed the best durability among the EBCs investigated in this study. This improvement was attributed to diffused CTE mismatch stress and improved chemical stability due to the compositionally graded mullite+YSZ layer.

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Pedretti, Camille, Tobias Kjellberg, and Tjiptady Nugroho. "Integrating HRSG Technical Dimensioning in Overall CCPP Cycle Optimization of Performance and Cost." In ASME Turbo Expo 2009: Power for Land, Sea, and Air. ASMEDC, 2009. http://dx.doi.org/10.1115/gt2009-60064.

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This article presents an initial design methodology of the water/steam cycle of combined-cycle power plants. From prescribed boundary conditions such as the GT type or ambient conditions, the water/steam cycle process model performs a computation and initial design of all key components, leading to cycle performance and cost. Particular focus is given here to the Heat Recovery Steam Generator (HRSG), a key component for heat integration having a large impact on both plant cost and performance. With the assistance of an optimization toolbox, optimal designs are found with respect to cost and performance. The process model allows a number of water/steam cycle configurations. Features include the number of pressure levels, the choice of single or double reheat, options for supplementary firing in the HRSG, heat integration with GT coolers, fuel gas preheating and steam extraction from the steam turbine. From prescribed thermodynamic inputs, the model computes and/or selects key components and systems from the Original Equipment Manufacturer (OEM) portfolio: HRSG, piping, steam turbine, condenser and generator. For each key component and system, the performance and cost are derived. The initial design of the HRSG fully integrates all interfaces and is supported by a sub-optimization step, which provides proper surfacing and sequencing of heat exchanger components with the target of minimizing cost. To achieve the required accuracy, the HRSG is first designed technically in detail, namely dimensioning and material selection of finned tubes, structural steel, casing and insulation. The resulting partial bill of quantities is then converted into cost, applying appropriate material rates. This approach guarantees full sensitivity of the model to mass flow, pressure or temperature changes at any location in the HRSG. Coupled to this process model, the multi-objective optimization toolbox allows identifying the pareto front for plant net performance and plant cost, clearly two conflicting objectives. In the example application of a KA26–1 combined-cycle power plant, steps are identified on the pareto front, which can be associated with the number of HRSG modules. For selected project economic conditions and plant operation profile, the pareto front can be post-processed to identify the design with minimum COE or maximum project NPV. Simultaneous optimization of the complete cycle ensures the best possible integration of all key components. Flexibility, speed and effectiveness of the methodology allow exploring many cycle variants, maximizing the chances of finding the global plant optimum in less time. Having been thoroughly validated, the initial design methodology is applicable for development of standard plants as well as integration of specific customer requirements.

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Lott, Melissa C., Carey W. King, and Michael E. Webber. "Analyzing Tradeoffs in Electricity Choices Using the Texas Interactive Power Simulator (TIPS)." In ASME 2009 3rd International Conference on Energy Sustainability collocated with the Heat Transfer and InterPACK09 Conferences. ASMEDC, 2009. http://dx.doi.org/10.1115/es2009-90135.

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The Texas Interactive Power Simulator (TIPS) is an interactive analytical tool developed at the University of Texas at Austin for quantitatively comparing the first-order economic and environmental tradeoffs of different electricity production methods in Texas. The tool is designed for analysis of different power choices and is presented in an online format for use by students, the general public, and government decision-makers. The core electricity industry data are Texas-specific, but the flexibility of the framework, when combined with user supplied content, extends its applicability to the United States and world electricity markets. TIPS provides a method for assessing the tradeoffs of electricity generation technologies in terms of economic costs and environmental impacts. Economic costs include major factors such as the cost of capacity, fuel, operation and maintenance (O&M), as well as the costs of conservation programs and environmental impact mitigation technology. Environmental impacts include market externalities such as the environmental impacts on air, land, and water, and are normalized per kWh generated (for example, pounds of CO2 or NOx, acres of land, or gallons of cooling water consumed per kWh of generated electricity). Environmental impacts can further be associated with a cost, which is included in the overall levelized cost of electricity. Users can supply their own data for interactive experimentation, though peer-reviewed data are provided as default values. TIPS’ outputs include text, graphs, and pictograms showing the electricity output and environmental impact of the user’s selections, which allow the user to interpret the overall impact for different fuel mixes. Source data are incorporated from government sources and peer reviewed technical literature. The TIPS interactive interface allows the user to analyze a desired electricity mix according to the percentage breakdown of electricity production for each generation technology. The user input determines the overall direct and indirect costs of a unit of electricity according to the particular cost parameters associated with each generation technology. This manuscript discusses the methodology used in TIPS calculation and shares the results of using TIPS to analyze the cost and environmental impacts for a variety of illustrative and possible generation scenarios in Texas, including the following: high carbon prices, nuclear renaissance, and continuing wind market growth.

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Srinivas, P. R. K. S., and Tham Beng Choy. "Design & Construction of Setiawangsa – Pantai Expressway (SPE - DUKE Ph3) – Section 3 from Pandan to Setiawangsa in Kuala Lumpur." In IABSE Conference, Kuala Lumpur 2018: Engineering the Developing World. Zurich, Switzerland: International Association for Bridge and Structural Engineering (IABSE), 2018. http://dx.doi.org/10.2749/kualalumpur.2018.0644.

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<p>The Setiawangsa – Pantai Expressway (SPE - DUKE Phase 3) is an infrastructure development under transformation programmes undertaken by the Government of Malaysia through Concessionaire Lebuhraya DUKE Fasa 3 (LDF3) Sdn. Bhd. The total length of SPE mainline is 32Km besides 7 interchanges, 2 mainline toll plazas, 3 ramp toll plazas and is divided in to 4 sections [1]. The proposed Section 3 from Pandan to Setiawangsa of SPE project involves design, construction, operation and maintenance of 5km long elevated dual 2-Lane highway with 24.9m wide mainline deck besides an interchange and ramp toll plaza at AKLEH interface in Kuala Lumpur. The project alignment is located in densely developed urban environment and mainly traverses over existing arterial roads, storm water tunnel (SMART) underneath, crosses urban arterials, expressway, LRT line, river and acts as a city bypass for effective traffic dispersal system in order to alleviate traffic congestion on local at-grade roads. The project is completely on an elevated structure in the form of double deck and single deck arrangement in order to minimise the land acquisition, least disturbance to road users, adjoining developments and utilities. Various types of super structure viz., precast T-beams, U-Beams, cast in-situ / precast box girders are adopted besides different types of foundation & substructure with longest span being 62m. This paper aims at presenting an insight of various types of designs, innovative methods adopted to suit the site constraints and interfacing issues to meet project timeline, cost effective design approach during the construction of Section 3 of Setiawangsa – Pantai Expressway.</p>

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Reports on the topic "Land-water interfaces"

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Broussard, Whitney, Glenn Suir, and Jenneke Visser. Unmanned Aircraft Systems (UAS) and satellite imagery collections in a coastal intermediate marsh to determine the land-water interface, vegetation types, and Normalized Difference Vegetation Index (NDVI) values. Engineer Research and Development Center (U.S.), October 2018. http://dx.doi.org/10.21079/11681/29517.

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