Relevant bibliographies by topics / Areal infiltration

Academic literature on the topic 'Areal infiltration'

Author: Grafiati
Published: 10 December 2022
Last updated: 28 January 2023

Create a spot-on reference in APA, MLA, Chicago, Harvard, and other styles

Select a source type:

Contents

Consult the lists of relevant articles, books, theses, conference reports, and other scholarly sources on the topic 'Areal infiltration.'

Next to every source in the list of references, there is an 'Add to bibliography' button. Press on it, and we will generate automatically the bibliographic reference to the chosen work in the citation style you need: APA, MLA, Harvard, Chicago, Vancouver, etc.

You can also download the full text of the academic publication as pdf and read online its abstract whenever available in the metadata.

Journal articles on the topic "Areal infiltration"

1

Gray, D. M., Brenda Toth, Litong Zhao, J. W. Pomeroy, and R. J. Granger. "Estimating areal snowmelt infiltration into frozen soils." Hydrological Processes 15, no. 16 (2001): 3095–111. http://dx.doi.org/10.1002/hyp.320.

Full text
APA, Harvard, Vancouver, ISO, and other styles
2

Moss, AJ, and CL Watson. "Rain impact soil crust. III. Effects of continuous and flawed crusts on infiltration, and the ability of plant covers to maintain crustal flaws." Soil Research 29, no. 2 (1991): 311. http://dx.doi.org/10.1071/sr9910311.

Full text
Abstract:
Experiments on unsteady infiltration, through rain-impact soil crusts on an albaqualf, employed 70 mm diameter cylinders surrounded by airsplash-exchange areas. Significant throttling effects resulted. Circular, fabricated flaws of varying diameter caused strong bypassing of the crust by infiltrating water. As the percentage of total area flawed rose from 1% to 10%, infiltration rates rose from near those of fully-crusted values to those of uncrusted values, further areal increases bringing little change. This result suggested three-dimensional water movement beneath flaws. Sheltering by plant covers produced flaws in the rain-impact soil crust. However, sheltered areas often acted as traps for incoming, finely comminuted, airsplash debris which, once deposited, could also throttle infiltration. Moreover, the compacted layer, the main throttling agent of the rain-impact soil crust, often extended laterally into sheltered areas. Wheat-straw stems, less than a drop diameter apart, were effective flaw preservers, even under heavy airsplash, inhibiting formation of the compacted layer and stimulating removal of airsplash deposits. Grass covers, dense enough to intercept all raindrops, were also highly effective against infiltration throttling because intercepted raindrops were converted, via the double-edge effect, into non-erosive, fine, impact droplets which could not disturb the soil.
APA, Harvard, Vancouver, ISO, and other styles
3

Govindaraju, Rao S., R. Morbidelli, and C. Corradini. "Areal Infiltration Modeling over Soils with Spatially Correlated Hydraulic Conductivities." Journal of Hydrologic Engineering 6, no. 2 (April 2001): 150–58. http://dx.doi.org/10.1061/(asce)1084-0699(2001)6:2(150).

Full text
APA, Harvard, Vancouver, ISO, and other styles
4

Corradini, Corrado, Rao S. Govindaraju, and Renato Morbidelli. "Simplified modelling of areal average infiltration at the hillslope scale." Hydrological Processes 16, no. 9 (2002): 1757–70. http://dx.doi.org/10.1002/hyp.394.

Full text
APA, Harvard, Vancouver, ISO, and other styles
5

Bejo Slamet, Dewi Sagita Ginting, and Deni Elfiati. "Pemanfaatan Data Sifat Tanah Dalam Pendugaan Laju Infiltrasi Pada Areal Hutan Berlereng Curam." Talenta Conference Series: Agricultural and Natural Resources (ANR) 2, no. 1 (July 25, 2019): 65–70. http://dx.doi.org/10.32734/anr.v2i1.575.

Full text
Abstract:
Kendala pengukuran infiltrasi pada lahan hutan pegunungan adalah posisi lokasi yang jauh dan mempunyai kelerengan yang curam sampai sangat curam. Penelitian ini dilakukan untuk mendapatkan model hubungan antara sifat tanah pada areal hutan yang berlereng curam dengan laju infiltrasi. Penelitian dilakukan di Taman Hutan Raya (Tahura) Bukit Barisan Kabupaten Karo Provinsi Sumatera Utara. Sifat tanah yang dijadikan sebagai parameter penduga adalah tekstur tanah, bulk density (kepadatan tanah) dan bahan organik. Pengukuran infiltrasi di lapangan dilakukan dengan metode double ring infiltrometer. Hasil penelitian menunjukkan bahwa fraksi liat, bulk density, porositas dan bahan organic mampu memberikan nilai pendugaan laju infiltrasi maksimum dengan koefisien determinasi (R2) sebesar 0,567 dan pendugaan waktu mencapai konstan dengan koefisien determinasi (R2) sebesar 0,760. Adapaun model persamaan penduga laju infiltrasi minimum hanya memberikan nilai koefisien determinasi sebesar 0,162. Variabilitas spasial laju infiltrasi yang tinggi mengakibatkan pendugaan menggunakan sifat fisik tanah masih memberikan koefisisen determinasi yang rendah. Namun demikian model persamaan ini dapat dijadikan sebagai penduga infiltrasi pada areal pebukitan dengan kelerengan curam dan jauh dari sumber air. The constraints on measuring infiltration on mountain forest land are the remote locations and have steep slopes to very steep. This research was conducted to obtain a model of the relationship between the soil properties in steep slope forests with infiltration rates. The study was held in the Bukit Barisan Forest Park (Tahura), Karo Regency, North Sumatra Province. The properties of the soil which are used as estimating parameters are soil texture, bulk density and soil organic matter. Measurement of infiltration in the field was done by t double ring infiltrometer method. The results show that the clay fraction, bulk density, porosity and soil organic matter were able to provide the estimation values of maximum infiltration rate with a coefficient of determination (R2) of 0.567 and the estimation of constant time with a coefficient of determination (R2) of 0.760. However, the estimation equation of minimum infiltration rate model only gives a determination coefficient of 0.162. The high spatial variability of infiltration rate in the field resulting in the low of the coefficient of determination of the model. However, this equation model can be used as an estimator of infiltration in hills with steep slopes and far from water sources.
APA, Harvard, Vancouver, ISO, and other styles
6

Carter, Rachel, Benjamin Davis, Landon Oakes, Matthew R. Maschmann, and Cary L. Pint. "A high areal capacity lithium–sulfur battery cathode prepared by site-selective vapor infiltration of hierarchical carbon nanotube arrays." Nanoscale 9, no. 39 (2017): 15018–26. http://dx.doi.org/10.1039/c7nr02368e.

Full text
APA, Harvard, Vancouver, ISO, and other styles
7

Sharma, M. L., R. J. W. Barron, and M. S. Fernie. "Areal distribution of infiltration parameters and some soil physical properties in lateritic catchments." Journal of Hydrology 94, no. 1-2 (October 1987): 109–27. http://dx.doi.org/10.1016/0022-1694(87)90035-7.

Full text
APA, Harvard, Vancouver, ISO, and other styles
8

Assouline, S., and Y. Mualem. "Infiltration during soil sealing: The effect of areal heterogeneity of soil hydraulic properties." Water Resources Research 38, no. 12 (December 2002): 22–1. http://dx.doi.org/10.1029/2001wr001168.

Full text
APA, Harvard, Vancouver, ISO, and other styles
9

Porter, Quinton, Xiaochun Li, and Chao Ma. "Pressing and Infiltration of Metal Matrix Nanocomposites." Journal of Manufacturing and Materials Processing 5, no. 2 (May 28, 2021): 54. http://dx.doi.org/10.3390/jmmp5020054.

Full text
Abstract:
The ability to produce metal matrix nanocomposites via pressing and infiltration was validated. Al/TiC nanocomposite was used as the model material. Pressing the powder in a die yielded cylindrical specimens with a green density of 1.98 ± 0.05 g/cm3, which was increased to only 2.11 ± 0.12 g/cm3 by sintering. Direct infiltration of the pressed specimens at 1050 °C for 3.5 h yielded specimens with a density of 3.07 ± 0.08 g/cm3, an open porosity of 3.06 ± 1.40%, and an areal void fraction of 8.09 ± 2.67%. The TiC nanoparticles were verified to be well dispersed using energy-dispersive X-ray spectroscopy. The measured hardness of 64 ± 3 HRA makes it a promising material for structural applications in industries such as aerospace and automotive.
APA, Harvard, Vancouver, ISO, and other styles
10

Holko, L., Z. Kostka, and M. Šanda. "Assessment of frequency and areal extent of overland flow generation in a forested mountain catchment." Soil and Water Research 6, No. 1 (March 1, 2011): 43–53. http://dx.doi.org/10.17221/33/2010-swr.

Full text
Abstract:
Short time rainfall and throughfall measurements in the period May&ndash;October 2009, and the calculated saturated hydraulic conductivities of soils and isotopic hydrograph separations in August 2009 were used to estimate the frequency of the infiltration excess overland flow generation and the extent of saturated areas producing the saturation excess overland flow in the forested mountain catchment of the Jaloveck&yacute; Creek, Western Tatra Mountains, northern Slovakia. The rainfall intensities exceeding 0.2 mm per 10 min occurred only in 2&ndash;4% of all data measured. Saturated hydraulic conductivities (K<sub>S</sub>) of soils were calculated by means of four methods based on the relationship between K<sub>S</sub> and soil texture. The comparison of K<sub>S</sub> with the measured rainfall intensities indicated that the infiltration excess overland flow could have been generated for 0&ndash;10% of the rainfall intensities measured. Isotopic hydrograph separation by means of the deuterium isotope indicated that the areas, where the saturated excess overland flow could have occurred, represented about 2&ndash;13% of the catchment during the analysed events. Despite the uncertainties connected with the assessments, the results are consistent with empirical knowledge of the catchment and limited older data. &nbsp;
APA, Harvard, Vancouver, ISO, and other styles
More sources

Dissertations / Theses on the topic "Areal infiltration"

1

Clarke, Travis Jonathan. "Neuroimmune-Mediated Alcohol Effects on Ventral Tegmental Area Microglia and Infiltrating Leukocytes." BYU ScholarsArchive, 2018. https://scholarsarchive.byu.edu/etd/7566.

Full text
Abstract:
Microglia are the primary immune cell in the central nervous system and are known as the “resident” macrophages in the central nervous system (CNS). While microglia are classically known as the immune cells of the CNS, their role has more recently been shown to extend far beyond immunity. The effects of ethanol on the brain are closely linked to neuroimmune responses mediated by microglia that are present in the healthy brain from the time of development. Though microglia have been classified as the “resident” immune cells of the CNS, new research suggests that other immune cells may be implicated in the immune response. Normally, the blood-brain barrier (BBB) prevents the infiltration of cells and foreign pathogens from crossing from the periphery into the CNS. However, peripheral monocytes are known to infiltrate the CNS in response to seizures, traumatic brain injury, infection, and multiple sclerosis. Whether or not these cells engraft and become microglia is still a topic of debate. The aim of this study was to determine the effect of acute ethanol on microglia activation and monocyte infiltration into the CNS. We hypothesized that acute EtOH would lead to an increase in neuroinflammation by activating “resident” microglia to an inflammatory polarization and induce the infiltration of macrophages across the BBB. Using the Macrophage FAS-Induced Apoptosis (MaFIA) mouse model (GFP+ on Csf1r promoter), fluorescent microscopy, and flow cytometry we assessed the presence and phenotype of microglia and infiltrating macrophages following 1, 2, and 4 g/kg ethanol at .5, 1, and 2 hours post-injection. By measuring volume/surface area of microglia in the VTA and NAc following EtOH, we found that EtOH caused microglia activation in these areas, and that the microglia are shifting toward an M1 polarization. However, some of our findings were counter to our hypothesis. We found that EtOH, decreases the number of infiltrating monocytes in the VTA and NAc. It is possible that other cells like T and B cells are recruited across the BBB. These findings suggest a neuroimmune connection for acute ethanol use and challenge the dogma that ethanol has exclusively central effects on DA neuronal activity and release. Further research is being performed to examine the implications of this effect, and what effects a conditional knockdown of monocytes has on ethanol intoxication and reward.
APA, Harvard, Vancouver, ISO, and other styles
2

Bui, Xuan Dung, Thi Hoai Thu Vu, Thi My Linh Nguyen, and Takashi Gomi. "Temporal and spatial infiltration characteristics of soil under acacia and pine plantations in the mountainous area of Van Don, Quang Ninh, Vietnam." Technische Universität Dresden, 2019. https://tud.qucosa.de/id/qucosa%3A70826.

Full text
Abstract:
To determine the soil infiltration characteristics of pine and acacia plantations, we used a double-ring infiltrometer in 15 different locations of up-hill, mid-hill and down-hill part in each kind of plantation from June to August, 2018. The spatial infiltration characteristics of the soil at three plots (with no tree, with acacia tree and with pine tree) was determined by dye tracer method. The factors having an impact to the infiltration process were also analyzed. The main findings include: (1) The soil infiltration rate under both pine and acacia plantation decreased over time and it was the highest in the bottom of the hill and the lowest in the middle of the hill. The infiltration rate and the total infiltrated water in one hour at the acacia plantation were higher than ones at the pine plantation. However, statistical significant difference was only found for stable infiltration rate between two plantations; (2) The area and the depth of infiltrated water were the highest at the plot without trees, smaller at the soil of acacia plot and smallest at the soil of pine plot. All spatial infiltration rates were within the findings of previous studies; (3) The result indicated that soil with high ground cover has high infiltration rate.
Để xác định đặc điểm thấm nước của đất dưới rừng trồng Thông và Keo, vòng đôi đo tốc độ thấm đã được sử dụng để đo ở sườn trên, sườn giữa và sườn dưới (5 lần/ ví trí) cho mỗi loại hình rừng từ tháng 6-8/2018. Trong khi, thuốc nhuộm được sử dụng để kiểm tra đặc điểm thấm nước của đất theo không gian trên 3 ô (ô không có cây, ô trồng Keo và ô trồng Thông). Các yếu tố ảnh hưởng đến đặc điểm thấm nước cũng được phân tích. Kết quả chính thu được: (1) Tốc độ thấm ở cả hai loại rừng giảm dần theo thời gian và cao nhất ở sườn dưới, nhỏ nhất ở sườn giữa. Cả tốc độ thấm và tổng lượng nước thấm trong một giờ của rừng keo đều cao hơn so với rừng Thông. Tuy nhiên, chỉ có tốc độ thấm ổn định là khác biệt có ý nghĩa thống kê; (2) Diện tích và độ sâu nước thấm xuống đất cao nhất ở ô không có cây, nhỏ hơn ở ô trồng Keo và nhỏ nhất ở ô trồng Thông; (3) Độ che phủ thực vật càng cao thì lượng nước thấm càng lớn.
APA, Harvard, Vancouver, ISO, and other styles
3

Stewart, Anne M. "Estimation of urban-enhanced infiltration and groundwater recharge, Sierra Vista subbasin, southeast Arizona USA." Thesis, The University of Arizona, 2014. http://pqdtopen.proquest.com/#viewpdf?dispub=3618344.

Full text
Abstract:

This dissertation reports on the methods and results of a three-phased investigation to estimate the annual volume of ephemeral-channel-focused groundwater recharge attributable to urbanization (urban-enhanced groundwater recharge) in the Sierra Vista subwatershed of southeastern Arizona, USA. Results were used to assess a prior estimate.

The first research phase focused on establishment of a study area, installation of a distributed network of runoff gages, gaging for stage, and transforming 2008 stage data into time series of volumetric discharge, using the continuous slope-area method. Stage data were collected for water years 2008 - 2011.

The second research phase used 2008 distributed runoff data with NWS DOPPLER RADAR data to optimize a rainfall-runoff computational model, with the aim of identifying optimal site-specific distributed hydraulic conductivity values and model-predicted infiltration.

The third research phase used the period-of-record runoff stage data to identify study-area ephemeral flow characteristics and to estimate channel-bed infiltration of flow events. Design-storm modeling was used to identify study-area predevelopment ephemeral flow characteristics, given the same storm event. The difference between infiltration volumes calculated for the two cases was attributed to urbanization. Estimated evapotranspiration was abstracted and the final result was equated with study-area-scale urban-enhanced groundwater recharge. These results were scaled up to the Sierra Vista subwatershed: the urban-enhanced contribution to groundwater recharge is estimated to range between 3270 and 3635 cubic decameters (between 2650 and 2945 acre-feet) per year for the period of study. Evapotranspirational losses were developed from estimates made elsewhere in the subwatershed. This, and other sources of uncertainty in the estimates, are discussed and quantified if possible.

APA, Harvard, Vancouver, ISO, and other styles
4

Twahirwa, Joseph. "Evaluation of infiltration, run-off and sediment mobilisation using rainfall simulations in the Riebeek-Kasteel Area, Western Cape - South Africa." Thesis, University of the Western Cape, 2010. http://etd.uwc.ac.za/index.php?module=etd&action=viewtitle&id=gen8Srv25Nme4_3938_1298351935.

Full text
Abstract:

The project was conducted on a small-scale catchment at Goedertrou in the Riebeek- Kasteel district. The focus of this study was to address some of the hydrological processes active in the research catchment, namely infiltration, run-off and sediment mobilisation on different soil types. It was done to investigate the origin of Berg River pollutants. To answer the overall question about what influence the natural salt load of the Berg River, a number of subprojects have been identified, one of which is to understand the hydrological processes in the soil mantle and vadose zone. Hence, the study aimed to answer the research questions mentioned and discussed in section 1.3 of Chapter 1. Considering the results, it could be suggested that decayed root systems from the rows of plants, soil cracks, small channels and openings created by small animals, as well as slope orientation and, therefore, soil composition, all played a major role in influencing the ability of the soil to absorb the simulated rainfall. In this study, the factors that influenced run-off are micro topography, soil moisture, root system, animal activities in soil profile, soil crack dimensions and the hydraulic conductivity. The main factors that played a major role to influence sediments mobilisation are strongly believed to be the micro topography within the ring, slope gradient and length, vegetation cover and rainfall-simulation intensity. After using different techniques, the results show that farmers must be aware that with storm rainfall, particles smaller than 65 &mu
m are subject to mobilisation. It is important to let land-users know that they need proper and appropriate methods for land-use.

APA, Harvard, Vancouver, ISO, and other styles
5

Karczynski, Adam Michael. "Measuring Hydraulic Conductivity of Variably-Saturated Soils at the Hectometer Scale Using Cosmic-Ray Neutrons." Thesis, The University of Arizona, 2014. http://hdl.handle.net/10150/323446.

Full text
Abstract:
Hydraulic conductivity of variably-saturated soils is critical to understanding processes at the land surface. Yet measuring it over an area comparable to the resolution of land-surface models is fraught because of its strong spatial and temporal variations, which render point measurements nearly useless. We derived unsaturated hydraulic conductivity at the horizontal scale of hectometers and the vertical scale of decimeters by analyzing trends in soil moisture measured using the cosmic-ray neutron method. The resulting effective hydraulic conductivity remains close to its value at saturation over approximately half of the saturation range and then plummets. It agrees with the aggregate of 36 point measurements near saturation, but becomes progressively higher at lower water contents; the difference is potentially reconcilable by upscaling of point measurements. This study shows the feasibility of the cosmic-ray method, highlights the importance of measurement scale, and provides a route toward better understanding of land-surface processes.
APA, Harvard, Vancouver, ISO, and other styles
6

Tomasini, Montenegro Claudia. "Evaluation of the sustainability of controlling diffuse water pollution in urban areas on a life cycle basis." Thesis, University of Manchester, 2013. https://www.research.manchester.ac.uk/portal/en/theses/evaluation-of-the-sustainability-of-controlling-diffuse-water-pollution-in-urban-areas-on-a-life-cycle-basis(6d5d86ca-eae0-4b30-bbe1-ddf971780d00).html.

Full text
Abstract:
Diffuse water pollution in urban areas is growing due to polluted runoffs. Therefore, there is a need to treat this kind of pollution. Different structural treatment practices can be used for these purposes. However, little is known about their environmental, economic and social impacts. Therefore, the aim of this study has been to develop an integrated methodology for sustainability evaluation of structural treatment practices, considering environmental, economic and social aspects. Both environmental and economic evaluations have been carried out on a life cycle basis, using life cycle assessment and life cycle costing, respectively. For social evaluation, a number of social indicators, identified and developed in this research, have been used. The methodology has been applied to the case of the Magdalena river catchment in Mexico City. Three structural treatment practices have been analysed: bio-retention unit, infiltration trench and porous pavement. Based on the assumptions and the results from this work, the bio-retention unit appears to be environmentally the most sustainable option for treatment of diffuse water pollution. It is also the second-best option for social sustainability, slightly behind the porous pavement. However, if the costs of treatment are the priority, then the porous pavement would be the cheapest option. If all the sustainability aspects evaluated here are considered of equal importance, then the bio-retention unit is the most sustainable option. Therefore, trade-offs between the different sustainability aspects are important and should be considered carefully before any decisions are made on diffuse water pollution treatment. This also includes the trade-offs with the additional life cycle impacts generated by the treatment options compared to the impacts from the untreated runoff. The decisions can only be made by the appropriate stakeholders; however, some recommendations are given, based on the outcomes of this research.
APA, Harvard, Vancouver, ISO, and other styles
7

McMaine, John T. "HYDROLOGIC CHARACTERIZATION OF A RAIN GARDEN MITIGATING STORMWATER RUNOFF FROM A COMMERCIAL AREA." UKnowledge, 2013. http://uknowledge.uky.edu/bae_etds/19.

Full text
Abstract:
Impervious surfaces such as roads, sidewalks, and roofs increase the volume of runoff generated in a watershed. Traditional stormwater management techniques emphasize conveyance of runoff away from impervious surfaces in order to reduce flooding. Rain gardens are becoming popular as a different means to manage stormwater in such a way that runoff is captured and infiltrated onsite rather than conveyed offsite. A stormwater management system consisting of a rainwater harvest system, rain garden, and infiltration chamber was built at the Coca-Cola Refreshments USA, Inc. distribution center in Lexington, Kentucky during the fall of 2011. Precipitation, inflow, and water level were measured from May, 2012 to April, 2013 to evaluate the hydrologic performance of the rain garden. The rain garden had a high infiltrative capability and was able to capture and infiltrate 100% of the runoff generated during the study period. The results of the study were used to formulate recommendations for rain garden design and construction in central Kentucky.
APA, Harvard, Vancouver, ISO, and other styles
8

Aljoumani, Basem. "Soil water management: evaluation of infiltration in furrow irrigarion systems, assessing water and salt content spatially and temporally in the Parc Agrari del Baix Llobregat area." Doctoral thesis, Universitat Politècnica de Catalunya, 2012. http://hdl.handle.net/10803/119730.

Full text
Abstract:
Sustainability of irrigated agriculture is a growing concern in the Baix Llobregat area. Although irrigated land accounts for a substantial proportion of food supply to the local market, it has been, and still is increasingly degraded by poor agricultural management. This dissertation focuses on ways to evaluate furrow irrigation and to assess soil water content and soil salinity (temporally and spatially) under usual farmers's management practices. This dissertation meets these goals through an extensive study of relevant literature and the implementation of practical research. The latter was carried out with a case study on representative fields of the area. Empirical and stochastic models were applied to evaluate furrow irrigation as well as to monitor water flow and solute transport in the root zone. This research produced a number of key findings: first, evaluating furrow irrigation confirmed that 40-43 % of the applied water would have been saved in the study fields if irrigation was stopped as soon as soil water deficit was fully recharge taking the amount of water needed for salt leaching into account, and that the application efficiency (AE) would increase from 48% to 84% and from 41% to 68% (Field 1 and Field 2, respectively). Second, the predictions of soil water content using ARIMA models were logical, and the next irrigation time and its effect on soil water content at the depth of interest were correctly estimated. Third, considering the linear relationship eb-sb, by transforming the Hilhorst (2000) model, which is based on the deterministic linear relationship eb-sb, into a time- varying Dynamic Linear Model (DLM) enabled us to validate this relationship under field conditions. An offset esb=0 value was derived that would ensure the accurate prediction of sp from measurements of sb. It was shown that the offset esb=0 varied for each depth in the same soil profile. A reason for this might be changes in soil temperature along the soil profile. The sp was then calculated for each depth in the root zone. Fourth, by using a (multiple input--single output) transfer function model, the results showed that soil water content and soil temperature had a significant impact on soil salinity, and soil salinity, predicted as a function of soil water and soil temperature, was correctly estimated. Finally, applying the analysis of variance (ANOVA), the results showed that the irrigation frequency, according to the farmer's usual management practice, had statistically significant effects on soil salinity behaviour, depending on soil depth and position (furrow, ridge). Moreover, it was shown that at the end of the crop's cycle the farmers left the field with less soil salinity, for each depth, than at the beginning of the crop's agricultural cycle.
APA, Harvard, Vancouver, ISO, and other styles
9

Gonzalez-Ramirez, Noemi. "Simulating Flood Propagation in Urban Areas using a Two-Dimensional Numerical Model." Scholarly Repository, 2010. http://scholarlyrepository.miami.edu/oa_dissertations/648.

Full text
Abstract:
A two-dimensional numerical model (RiverFLO-2D) has been enhanced to simulate flooding of urban areas by developing an innovative wet and dry surface algorithm, accounting for variable rainfall, and recoding the model computer program for parallel computing. The model formulation is based on the shallow water equations solved with an explicit time-stepping element-by-element finite element method. The dry-wet surface algorithm is based on a local approximation of the continuity and momentum equations for elements that are completely dry. This algorithm achieves global volume conservation in the finite element, even for flows over complex topographic surfaces. A new module was implemented to account for variable rainfall in space and time using NEXRAD precipitation estimates. The resulting computer code was parallelized using OpenMP Application Program Interface, which allows the model to run up to 5 times faster on multiple core computers. The model was verified with analytical solutions and validated with laboratory and field data. Model application to the Malpasset dam break and Sumacarcel flooding event show that the model accurately predicts flood wave travel times and water depths for these numerically demanding real cases. To illustrate the predictive capability of the enhanced model, an application was made of the city of Sweetwater flooding in Miami-Dade County, FL caused by the Hurricane Irene. The simulation starts with dry bed and rainfall is provided by NEXRAD estimates. Integrating NEXRAD rainfall estimates, developing a novel dry-wet area algorithm and parallelizing RiverFLO-2D code, this dissertation presents a proof of concept to accurately and efficiently predict floods in urban areas, identifying future improvements along this line of research.
APA, Harvard, Vancouver, ISO, and other styles
10

Silva, Carmen Sofia Rocha. "Análise da evolução da ocupação e uso do solo no Concelho de Angra do Heroismo. Influência nos movimentos de terreno e de vertente." Master's thesis, ISA, 2010. http://hdl.handle.net/10400.5/3112.

Full text
Abstract:
Mestrado em Arquitectura Paisagista - Instituto Superior de Agronomia
This master dissertation aims to study mass movements dynamics and its classification, as well as the identification of the factors that control and initiate them. These concepts and knowledge were applied to the district of Angra do Heroísmo in Terceira´s island of the Azores in order to elaborate a map where the areas showing susceptibility to mass movements were identified. This identification and mapping of mass movements is a contribution to the planning and management of the municipality territory, where the natural conditions are favorable to the geomorphic instability. The misadjusted human actions in this vulnerable region can improve the landscape instability. There are several causes for the mass movements starting. Usually, the beginning of a mass movement is attributed to a single factor, as for instance an unusual precipitation, however this does not correspond to the reality, as a complex number of factors are involved. It was given highlight in this study to the human action as a trigger factor, that in a perspective of sustainable management and development, allow to understand how devastation and significant can be his action. In a perspective of identifying the impact of human actions in the mass movements, as well as the characterization of the geomorphic susceptibility of the area in study, the maximum infiltration areas were delimitated. The maximum infiltration areas are one of the most important territory management figures to preserve, and several times have misadjusted human occupation. In order to delimitate these areas, as well as to elaborate the mass movements susceptibility map for the district of Angra do Heroísmo, several physical characteristics of the region were analysed: geology/lithology, volcanic activity and seismicity, geomorphology, soils, etc. The Permeability of the geologic formations and the soils was also evaluated. Intervention actions for the area were recommended to implement in the most instable areas, in order to promote its protection, conservation or recuperation. These measures are considered crucial to maintain the balance of the Landscape, and prevent the occurrence of possible catastrophic events.
APA, Harvard, Vancouver, ISO, and other styles
More sources

Books on the topic "Areal infiltration"

1

Dautermann, Irmgard. Sprachkontakt in der Lorraine romane: Eine lexkikalische Studie zur Infiltration französischer und germanischer Elemente (anhand von ALLR I-III). Wien: Österreichischer Kunst- und Kulturverlag, 1995.

Find full text
APA, Harvard, Vancouver, ISO, and other styles
2

Zeleňáková, Martina, Gabriela Hudáková, and Agnieszka Stec. Rainwater Infiltration in Urban Areas. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-34698-0.

Full text
APA, Harvard, Vancouver, ISO, and other styles
3

Good, Sarah. Lower Duwamish Waterway source control action plan for early action area 4. [Olympia, Wash.]: Washington State Dept. of Ecology, 2007.

Find full text
APA, Harvard, Vancouver, ISO, and other styles
4

Rankl, James G. A point-infiltration model for estimating runoff from rainfall on small basins in semiarid areas of Wyoming. [Washington, D.C.]: U.S. G.P.O., 1990.

Find full text
APA, Harvard, Vancouver, ISO, and other styles
5

Schuh, W. M. Infiltration data and functions, and soil moisture and matric potential data during wetting for selected soils in the Oakes area, Dickey County, North Dakota. Bismarck, ND: North Dakota State Water Commission, 2005.

Find full text
APA, Harvard, Vancouver, ISO, and other styles
6

Goetz, Carole L. Infiltration and evapotranspiration within the Albuquerque, New Mexico, area with a section on historical water-resource trends during the 1954-80's period of urban growth. Albuquerque, N.M: Dept. of the Interior, U.S. Geological Survey, 1990.

Find full text
APA, Harvard, Vancouver, ISO, and other styles
7

Stec, Agnieszka, Martina Zeleňáková, and Gabriela Hudáková. Rainwater Infiltration in Urban Areas. Springer, 2020.

Find full text
APA, Harvard, Vancouver, ISO, and other styles
8

Stec, Agnieszka, Gabriela Hudáková, and Martina Zeleňáková. Rainwater Infiltration in Urban Areas. Springer International Publishing AG, 2021.

Find full text
APA, Harvard, Vancouver, ISO, and other styles
9

Bjorkman, Bart. Recognition & Response to Covert Weapon Infiltration into Secure Areas. Castle Mountain Publishing, 2004.

Find full text
APA, Harvard, Vancouver, ISO, and other styles
10

Dorbala, Sharmila, and Katarina H. Nelson. Inflammatory and Infiltrative Diseases and Tumors. Oxford University Press, 2015. http://dx.doi.org/10.1093/med/9780199392094.003.0026.

Full text
Abstract:
This chapter highlights some of the novel clinical radionuclide imaging strategies beyond perfusion imaging including inflammatory diseases, infiltrative diseases and tumors. Targeted molecular imaging techniques to evaluate cardiac amyloidosis as well as myocardial and vascular inflammation are addressed. Clinical 18F-FDG imaging of cardiac sarcoidosis, cardiovascular prosthetic valve and device infections, systemic vasculitis, and tumors are discussed in detail. For each of these pathologies, a concise overview of the disease pathophysiology and management pertinent to understanding of imaging techniques is provided followed by details of imaging including radiotracers, imaging techniques and image interpretation with a reference to societal guidelines. The published data on the utility of radionuclide imaging tests to assess diagnosis, prognosis and to monitor response to therapy are discussed. Clinical scenarios and available societal recommendations on the use of imaging are illustrated. The strengths and limitations of radionuclide techniques are discussed in the context of a comparison to echocardiography, cardiac magnetic resonance imaging, cardiac CT and endomyocardial biopsy. Future directions in imaging and ongoing clinical trials in these areas are listed at the end of each section.
APA, Harvard, Vancouver, ISO, and other styles
More sources

Book chapters on the topic "Areal infiltration"

1

Zeleňáková, Martina, Gabriela Hudáková, and Agnieszka Stec. "Rainwater Management in Urban Areas." In Rainwater Infiltration in Urban Areas, 1–5. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-34698-0_1.

Full text
APA, Harvard, Vancouver, ISO, and other styles
2

Zeleňáková, Martina, Gabriela Hudáková, and Agnieszka Stec. "Urban Hydrology." In Rainwater Infiltration in Urban Areas, 7–51. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-34698-0_2.

Full text
APA, Harvard, Vancouver, ISO, and other styles
3

Zeleňáková, Martina, Gabriela Hudáková, and Agnieszka Stec. "Research on Rainwater Infiltration." In Rainwater Infiltration in Urban Areas, 53–96. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-34698-0_3.

Full text
APA, Harvard, Vancouver, ISO, and other styles
4

Zeleňáková, Martina, Gabriela Hudáková, and Agnieszka Stec. "Investigation of Rainwater Infiltration in Model Areas." In Rainwater Infiltration in Urban Areas, 97–116. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-34698-0_4.

Full text
APA, Harvard, Vancouver, ISO, and other styles
5

Zeleňáková, Martina, Gabriela Hudáková, and Agnieszka Stec. "Evaluation of Achieved Results." In Rainwater Infiltration in Urban Areas, 117–24. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-34698-0_5.

Full text
APA, Harvard, Vancouver, ISO, and other styles
6

Zeleňáková, Martina, Gabriela Hudáková, and Agnieszka Stec. "Overview of Rainwater Management Facilities." In Rainwater Infiltration in Urban Areas, 125–38. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-34698-0_6.

Full text
APA, Harvard, Vancouver, ISO, and other styles
7

Zeleňáková, Martina, Gabriela Hudáková, and Agnieszka Stec. "Conclusion." In Rainwater Infiltration in Urban Areas, 139–41. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-34698-0_7.

Full text
APA, Harvard, Vancouver, ISO, and other styles
8

Tügel, Franziska, Ahmed Hadidi, Ilhan Özgen-Xian, Jingming Hou, and Reinhard Hinkelmann. "Validation of Flash Flood Simulations Using Satellite Images and Community-Based Observations—Impact of Infiltration and Small-Scale Topographical Features." In Natural Disaster Science and Mitigation Engineering: DPRI reports, 183–207. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-16-2904-4_6.

Full text
Abstract:
AbstractThis work is aimed at investigating flash floods in the region of El Gouna, Egypt, by using a 2D robust shallow-water model that incorporates the Green-Ampt model to find the most realistic infiltration setting for this desert area. The results of different infiltration settings are compared to inundation areas observed from LANDSAT 8 images as well as to community-based information and photographs to validate the results despite scarce data availability. The model tends to overestimate infiltration in the study area if tabulated Green-Ampt parameters for the dominant soil texture class are considered. Specifically, bare soils with no vegetation tend to develop a surface crust, leading to significantly decreased infiltration rates during heavy rainfalls. Comparing the results of different infiltration settings with the observed data showed that the crust approach or the consideration of sandy clay loam instead of sand led to more plausible results for the considered study area than those obtained using the values for sand from two different sources in the literature. Furthermore, small-scale structures, which are not appropriately captured in the original digital surface model, but significantly affect the resulting flow field, have been included based on the available information leading to much more plausible results.
APA, Harvard, Vancouver, ISO, and other styles
9

Duchan, D., and J. Říha. "Infiltration of Rainwater in Urban Areas." In Springer Water, 77–103. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-18359-2_4.

Full text
APA, Harvard, Vancouver, ISO, and other styles
10

Carvalho, José Martins, Maria José Afonso, José Teixeira, Liliana Freitas, Ana Rita Lopes, Rosário Jesus, Sofia Batista, Rosário Carvalho, and Helder I. Chaminé. "Groundwater Favourable Infiltration Zones on Granitic Areas (Central Portugal)." In Advances in Sustainable and Environmental Hydrology, Hydrogeology, Hydrochemistry and Water Resources, 317–19. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-01572-5_75.

Full text
APA, Harvard, Vancouver, ISO, and other styles

Conference papers on the topic "Areal infiltration"

1

Pint, Cary L. "Capillary Force Guided Nanomanufacturing of Composite Materials for Advanced Battery Applications." In ASME 2017 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/imece2017-71738.

Full text
Abstract:
This paper introduces the use of capillary thermodynamics as a powerful nanomanufacturing tool, and its specific application to infiltrate sulfur into 3-D nanostructured electrodes for advanced lithium-sulfur and/or sodium-sulfur battery development. The capillary effect specifically targets nucleation from the equilibrium vapor pressure of bulk sulfur (gas phase) onto nanoscale surfaces (liquid phase). This leads to condensates that nucleate and grow uniformly over the surface leading to self-limited and conformal composite materials moderated by the chemical potential driving force between the nanoscale nuclei and the bulk sulfur. Our studies show highly consistent and repeatable sulfur loading exceeding 80 wt.% sulfur, fast kinetics that can lead to full infiltration in ∼ 10 minutes, and synergy with pre-formed carbon materials including carbon nanotube arrays, carbon nanotube foams and sponges, and microporous carbons with pore sizes ∼ 0.5 nm. This overcomes challenges of scaling to high areal capacity in lithium-sulfur and sodium-sulfur batteries, and our results emphasize the highest reported areal capacities for solid-processed cathodes to date (> 19 mAh/cm2). This paves the route to batteries with energy density > 500 Wh/kg with reliable manufacturing processes that simultaneously sustain low cost and high throughput.
APA, Harvard, Vancouver, ISO, and other styles
2

Markovič, G., M. Zeleňáková, D. Káposztásová, and G. Hudáková. "Rainwater infiltration in the urban areas." In ENVIRONMENTAL IMPACT 2014. Southampton, UK: WIT Press, 2014. http://dx.doi.org/10.2495/eid140271.

Full text
APA, Harvard, Vancouver, ISO, and other styles
3

Zeleňáková, Martina, Gabriela Hudáková, Ladislav Tometz, and Helena Hlavatá. "Investigation of Rainwater Infiltration with Emphasis on Hydro-geological as well as Hydrological Conditions." In Environmental Engineering. VGTU Technika, 2017. http://dx.doi.org/10.3846/enviro.2017.095.

Full text
Abstract:
Urban drainage has become one of the most important aspects of urban development. Ensuring long-term functioning of sewer systems and waste-water treatment plants is associated with constantly rising costs, and it is clear nowadays that the contemporary method of urban drainage cannot possibly be implemented worldwide because of the financial burden. The existing method of urban drainage continues to threaten the status of water flow and water sources. Urban hydrology has evolved to improve the way urban run-off is managed for flood protection, public health and environmental protection. The essence of the future solution resides in finding an acceptable compromise or an alternative solution for rainwater drainage from urban areas. The content of this paper is research focused on the infiltration of water from surface run-off and comparison of ground testing, laboratory analysis and numerical analysis of filtration coefficient. The foundation for improving the effectiveness of urban drainage will be created through the proposal and comparison of infiltration conditions. The topic of the paper emerged because of insufficient information about infiltration systems in the Slovak technical regulations and the lack of support for water infiltration from surface run-off. This paper points out the fundamentals, principles and development of proposals for infiltration facilities. The aim of the paper was to expand the body of scientific knowledge in research and solutions for infiltration of water from surface run-off with emphasis on the infiltration capacity of the selected area and intensity of precipitation.
APA, Harvard, Vancouver, ISO, and other styles
4

Yokota, Hideharu, Yoichi Yamamoto, Keisuke Maekawa, and Minoru Hara. "A Study on Groundwater Infiltration in the Horonobe Area, Northern Hokkaido, Japan." In ASME 2010 13th International Conference on Environmental Remediation and Radioactive Waste Management. ASMEDC, 2010. http://dx.doi.org/10.1115/icem2010-40047.

Full text
Abstract:
In the Horonobe area of northern Hokkaido, the Japan Atomic Energy Agency has been carrying out various hydrological observations to estimate the recharge rate. Subsurface earth temperature and soil moisture content have been observed at HGW-1 site (GL-0.7m to GL-2.3m, since 2005) and Hokushin Meteorological Station (GL-0.1m to GL-1.1m, since 2008). The results have revealed groundwater infiltration and recharge occurring throughout year, the shallow groundwater-infiltration velocity depending on the depth and the position of the Zero Flux Plane. For the estimation of boundary conditions in groundwater flow simulation, in this study, the shallow groundwater-flow system has been examined qualitatively on the basis of the variation of the subsurface earth temperature and the soil moisture content. In the future, it is necessary to quantitatively assess the shallow groundwater infiltration and recharge rate, the intermediate runoff, and the evapotranspiration based on the observed data of the weighing lysimeter, and the other measurement stations in the area.
APA, Harvard, Vancouver, ISO, and other styles
5

Wang, Xiao, Yongtu Liang, Shengli Liu, and Mengyu Wu. "Analysis of Products Pipeline Accident Infiltration Process in Surface Soil Condition." In ASME 2019 Pressure Vessels & Piping Conference. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/pvp2019-93069.

Full text
Abstract:
Abstract The most common way of transportation for refined oil is long-distance pipeline. Pipeline accidents occur frequently due to corrosion, equipment failure, external forces destruction. Aiming at predicting the contaminated area in soil caused by products pipeline accidents, this experimental study was conducted to examine the relationship between the light non-aqueous phase liquids (LNAPL) accumulative infiltrate volume and the time of infiltration process in homogeneous and layered soils. The soil’s hydraulic parameters were obtained by basic experiments and RETC software. Compared with traditional infiltration mathematical model, Green-Ampt model is the most common mathematical model to calculate the infiltration process in the unsaturated soil. In this study, a modified Green-Ampt model was developed to describe water and diesel infiltration through a 100-cm-long and layered soil column. In the modified Green-Ampt model, an infiltration reduction ratio was introduced to describe the effect of the hydraulic conductivity of the layered position. To evaluate the proposed method in the effect of the layers position infiltration permeability, eight constant water head layered column infiltration experiment were conducted to record the different infiltration fluid and different constant water head infiltration process. Compared the experiment results with traditional mathematical traditional Green-Ampt model (average R2 = 0.976) and Hydrus-1D software (average R2 = 0.988) The modified Green-Ampt model had relatively higher precision in accumulative infiltrate volume (average R2 = 0.992) and the wetting front velocity in infiltration process (average R2 = 0.997). Thus, the modified mathematical model was applied an effective upscaling scheme in layered formations. The experimental result also demonstrated that soil layering affected the infiltration process. With the increase of soil depth and density, the infiltration speed of the layered soil column decreased. Additionally, the infiltrate speed of wetting front decreases slowly at the layered surface. The experiment’s fitting results showed that the modified mathematical model about infiltrate time and liquid contaminant accumulative infiltrate volume, wetting front infiltrate velocity can highly effective approach to simulate water and light non-aqueous phase liquids (LNAPL) infiltration process in layered soils.
APA, Harvard, Vancouver, ISO, and other styles
6

Goebel, Patricia, Stefan Fach, Holger Kories, Wolfgang F. Geiger, and Wilhelm G. Coldewey. "Effects of Stormwater Infiltration on the Water Balance of an Urban Area." In Ninth International Conference on Urban Drainage (9ICUD). Reston, VA: American Society of Civil Engineers, 2002. http://dx.doi.org/10.1061/40644(2002)154.

Full text
APA, Harvard, Vancouver, ISO, and other styles
7

Douglass, Stuart R. "Auxiliary Ventilation Systems Design Basis and Analysis Approach." In ASME 2010 Power Conference. ASMEDC, 2010. http://dx.doi.org/10.1115/power2010-27149.

Full text
Abstract:
Auxiliary systems supporting pressurized water reactors (PWR) within commercial nuclear power plants are enclosed within a special ventilation (SV) zone that is isolated post-accident. Air within the SV zone is recirculated through carbon adsorbers, and discharged at a rate equal to the SV zone air infiltration rate. The SV zone relies on safety-related fan coil units (FCUs) to remove heat since air infiltration is kept to a minimum in order to reduce the spread of contamination. This paper discusses efforts undertaken to quantify area heat loads and FCU operating conditions within the SV zone, and transient analyses performed for loss of FCUs using the GOTHIC code.
APA, Harvard, Vancouver, ISO, and other styles
8

Montgomery, Robert J., Stephen J. Gaffield, and Nancy R. Zolidis. "Stormwater Runoff Supplied to Subsurface Infiltration Areas for Groundwater Recharge, Dane County, Wisconsin." In World Water and Environmental Resources Congress 2005. Reston, VA: American Society of Civil Engineers, 2005. http://dx.doi.org/10.1061/40792(173)380.

Full text
APA, Harvard, Vancouver, ISO, and other styles
9

Li, Binghua. "EFFECTS OF RECLAIMED WATER INFILTRATION ON AQUIFERS IN CHAOBAI RIVER AREA, BEIJING,CHINA." In GSA Annual Meeting in Seattle, Washington, USA - 2017. Geological Society of America, 2017. http://dx.doi.org/10.1130/abs/2017am-295181.

Full text
APA, Harvard, Vancouver, ISO, and other styles
10

Balagangadhar, Dinesh, and Gopalaswamy Rajesh. "Macro Modeling of Reactive Infiltration Using Level Set Finite Element Formulations." In ASME 2000 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2000. http://dx.doi.org/10.1115/imece2000-1239.

Full text
Abstract:
Abstract The process of reactive melt infiltration can be used to fabricate ceramics and ceramic matrix composites. This process involves a liquid metal being allowed to infiltrate a medium with which the liquid reacts to form a resultant ‘matrix’ along with the already present reinforcing fibers. The authors’ previous work on this area revealed that the transient porosity and permeability of a porous medium can be determined for certain geometries from the reaction kinetics and coupled heat and mass transfer problem occurring at the pore level. But the formulation at the macro level, which is essential to optimize the process, has been limited. Towards this end, this paper solves the macro reactive flow problem in a porous medium analytically as well as numerically. The focus of this article will be on the solutions for the advance (displacement) of the ‘infiltration front’ with progressive chemical reaction occurring between the medium and the infiltrant. A finite element formulation is used to solve the problem computationally; a level set formulation is used to track the infiltration front during the process. Excellent agreement is obtained between the analytical and computational solutions thereby validating the level set finite element formulations.
APA, Harvard, Vancouver, ISO, and other styles

Reports on the topic "Areal infiltration"

1

Shillito, Rose, Markus Berli, and Teamrat Ghezzehei. Quantifying the effect of subcritical water repellency on sorptivity : a physically based model. Engineer Research and Development Center (U.S.), July 2021. http://dx.doi.org/10.21079/11681/41054.

Full text
Abstract:
Soil water wettability or water repellency is a phenomenon that can affect infiltration and, ultimately, runoff. Thus, there is a need to develop a model that can quantitatively capture the influence of water repellency on infiltration in a physically meaningful way and within the framework of existing infiltration theory. The analytical model developed in this study relates soil sorptivity (an infiltration parameter) with contact angle (a direct measure of water repellency) for variably saturated media. The model was validated with laboratory experiments using a silica sand of known properties treated to produce controlled degrees of water repellency. The measured contact angle and sorptivity values closely matched the model‐predicted values. Further, the relationship between the frequently used water drop penetration time test (used to assess water repellency) and sorptivity was illustrated. Finally, the direct impact of water repellency on saturated hydraulic conductivity was investigated due to its role in infiltration equations and to shed light on inconsistent field observations. It was found that water repellency had minimal effect on the saturated hydraulic conductivity of structureless sand. A quantitative model for infiltration incorporating the effect of water repellency is particularly important for post‐fire hydrologic modeling of burned areas exhibiting water repellent soils.
APA, Harvard, Vancouver, ISO, and other styles
2

Dyer, J. A. Intact Infiltration Model Design Check for E-Area LLWF. Office of Scientific and Technical Information (OSTI), June 2018. http://dx.doi.org/10.2172/1459417.

Full text
APA, Harvard, Vancouver, ISO, and other styles
3

Dyer, J. A. Subsidence Infiltration Model Design Check for E-Area LLWF. Office of Scientific and Technical Information (OSTI), June 2018. http://dx.doi.org/10.2172/1459418.

Full text
APA, Harvard, Vancouver, ISO, and other styles
4

Dyer, J., and G. Flach. E-Area LLWF Vadose Zone Model: Probabilistic Model for Estimating Subsided-Area Infiltration Rates. Office of Scientific and Technical Information (OSTI), December 2017. http://dx.doi.org/10.2172/1414386.

Full text
APA, Harvard, Vancouver, ISO, and other styles
5

Dyer, J. A., and G. P. Flach. Infiltration Time Profiles for E-Area LLWF Intact and Subsidence Scenarios. Office of Scientific and Technical Information (OSTI), July 2018. http://dx.doi.org/10.2172/1480835.

Full text
APA, Harvard, Vancouver, ISO, and other styles
6

Dyer, J. A. Conceptual Modeling Framework for E-Area PA HELP Infiltration Model Simulations. Office of Scientific and Technical Information (OSTI), November 2017. http://dx.doi.org/10.2172/1411195.

Full text
APA, Harvard, Vancouver, ISO, and other styles
7

Agassi, Menahem, Michael J. Singer, Eyal Ben-Dor, Naftaly Goldshleger, Donald Rundquist, Dan Blumberg, and Yoram Benyamini. Developing Remote Sensing Based-Techniques for the Evaluation of Soil Infiltration Rate and Surface Roughness. United States Department of Agriculture, November 2001. http://dx.doi.org/10.32747/2001.7586479.bard.

Full text
Abstract:
The objective of this one-year project was to show whether a significant correlation can be established between the decreasing infiltration rate of the soil, during simulated rainstorm, and a following increase in the reflectance of the crusting soil. The project was supposed to be conducted under laboratory conditions, using at least three types of soils from each country. The general goal of this work was to develop a method for measuring the soil infiltration rate in-situ, solely from the reflectance readings, using a spectrometer. Loss of rain and irrigation water from cultivated fields is a matter of great concern, especially in arid, semi-arid regions, e.g. much of Israel and vast area in US, where water is a limiting factor for crop production. A major reason for runoff of rain and overhead irrigation water is the structural crust that is generated over a bare soils surface during rainfall or overhead irrigation events and reduces its infiltration rate (IR), considerably. IR data is essential for predicting the amount of percolating rainwater and runoff. Available information on in situ infiltration rate and crust strength is necessary for the farmers to consider: when it is necessary to cultivate for breaking the soil crust, crust strength and seedlings emergence, precision farming, etc. To date, soil IR is measured in the laboratory and in small-scale field plots, using rainfall simulators. This method is tedious and consumes considerable resources. Therefore, an available, non-destructive-in situ methods for soil IR and soil crusting levels evaluations, are essential for the verification of infiltration and runoff models and the evaluation of the amount of available water in the soil. In this research, soil samples from the US and Israel were subjected to simulated rainstorms of increasing levels of cumulative energies, during which IR (crusting levels) were measured. The soils from the US were studied simultaneously in the US and in Israel in order to compare the effect of the methodology on the results. The soil surface reflectance was remotely measured, using laboratory and portable spectrometers in the VIS-NIR and SWIR spectral region (0.4-2.5mm). A correlation coefficient spectra in which the wavelength, consisting of the higher correlation, was selected to hold the highest linear correlation between the spectroscopy and the infiltration rate. There does not appear to be a single wavelength that will be best for all soils. The results with the six soils in both countries indeed showed that there is a significant correlation between the infiltration rate of crusted soils and their reflectance values. Regarding the wavelength with the highest correlation for each soil, it is likely that either a combined analysis with more then one wavelength or several "best" wavelengths will be found that will provide useful data on soil surface condition and infiltration rate. The product of this work will serve as a model for predicting infiltration rate and crusting levels solely from the reflectance readings. Developing the aforementioned methodologies will allow increased utilization of rain and irrigation water, reduced runoff, floods and soil erosion hazards, reduced seedlings emergence problems and increased plants stand and yields.
APA, Harvard, Vancouver, ISO, and other styles
8

Dyer, James. INFILTRATION DATA PACKAGE FOR THE E-AREA LOW-LEVEL WASTE FACILITY PERFORMANCE ASSESSMENT. Office of Scientific and Technical Information (OSTI), November 2019. http://dx.doi.org/10.2172/1574681.

Full text
APA, Harvard, Vancouver, ISO, and other styles
9

Dyer, J. A. Method for Including Uncertainty in Infiltration Rates in the E-Area PA System Model. Office of Scientific and Technical Information (OSTI), March 2018. http://dx.doi.org/10.2172/1427459.

Full text
APA, Harvard, Vancouver, ISO, and other styles
10

Martian, P. UNSAT-H infiltration model calibration at the Subsurface Disposal Area, Idaho National Engineering Laboratory. Office of Scientific and Technical Information (OSTI), October 1995. http://dx.doi.org/10.2172/171275.

Full text
APA, Harvard, Vancouver, ISO, and other styles
You might also be interested in the extended bibliographies on the topic 'Areal infiltration' for particular source types:
Journal articles Dissertations / Theses Books
We offer discounts on all premium plans for authors whose works are included in thematic literature selections. Contact us to get a unique promo code!

To the bibliography