作者: 偽證 時間: 2025-3-22 00:15 作者: 賠償 時間: 2025-3-22 04:20 作者: 嚙齒動物 時間: 2025-3-22 06:35
Aquifer Characterization,ydraulic conductivity can also be derived. Clearly, this interpretation relies on a number of ideal hypotheses being satisfied; this chapter also illustrates how to interpret pumping tests in the presence of factors that cause a deviation from the ideal behavior (e.g., finite, as opposed to infinite作者: Palate 時間: 2025-3-22 10:33 作者: 畢業(yè)典禮 時間: 2025-3-22 13:10 作者: 畢業(yè)典禮 時間: 2025-3-22 20:00
Well Head Protection Areas,rotection entails the establishment of a monitoring network along the perimeter of previously defined protection areas. Practical guidance is provided for appropriately designing this network in terms of monitoring-well positioning and sampling frequency.作者: ENACT 時間: 2025-3-22 21:57
Groundwater Contaminants,rbons, halogenated hydrocarbons, phenols, chlorobenzenes, nitroaromatic compounds, and a class of recently identified hazardous compounds, named emerging organic contaminants, is presented. A physical characterization of contaminants is essential for the prediction of their behavior once they are re作者: chemoprevention 時間: 2025-3-23 04:13
Mechanisms of Contaminant Transport in Aquifers,ergence of a transverse velocity component. During their migration within an aquifer, chemical compounds can also undergo chemical reactions that can lead to their transformation or degradation. The main reaction models and the most common types of reactions that are likely to occur in groundwater (作者: ZEST 時間: 2025-3-23 09:29 作者: 不再流行 時間: 2025-3-23 10:03
Characterization of a Contamination Event,d for sampling pore water. Sampling of the saturated medium should allow to obtain a three-dimensional reconstruction of the contaminated areas. Hence, recommendations on the spatial distribution of monitoring wells, on the available options for vertical sampling and on well-purging prior to samplin作者: 冥界三河 時間: 2025-3-23 15:58
Human Health Risk Assessment,f appropriate interventions). The risk assessment itself can be carried out at an increasing degree of detail, through a tiered approach, illustrated in the chapter. A relevant focus of this chapter is the calculation of the concentration at the point of exposure via the determination of the natural作者: TIGER 時間: 2025-3-23 18:03
Remediation of Contaminated Groundwater, strategies available for the management of a groundwater contamination event, and provides valuable information to support the choice of the most suitable approach. The presented strategies include: free product recovery for light non-aqueous phase liquid removal; vacuum enhanced extraction; subsur作者: Incompetent 時間: 2025-3-24 00:15
Prematurity/Extreme Prematurityparameters that characterize an aquifer’s storage capacity are porosity and storativity. While the former is indicative of the total amount of water that can be stored within a porous medium, the latter indicates the fraction that can be released. Both these notions apply to any aquifer type althoug作者: ORE 時間: 2025-3-24 05:29
https://doi.org/10.1007/978-3-7091-8985-6derivative with respect to time. In particular, in the case of confined aquifers, flow is a function of specific yield and transmissivity, as is the case even for leaky aquifers, whose hydrodynamic behavior is, however, also affected by the leakage between aquifers (quantified by the leakage factor)作者: 供過于求 時間: 2025-3-24 06:33
Pediatric Electrical Nerve Stimulationons describe, respectively, the transient and steady state solutions of the groundwater flow equation for confined aquifers. Hantush and Jacob, instead, derived the transient analytical solution for leaky aquifers, while De Glee formalized the steady state solution. In the case of unconfined aquifer作者: 莎草 時間: 2025-3-24 11:08
https://doi.org/10.1007/978-3-030-26280-8ydraulic conductivity can also be derived. Clearly, this interpretation relies on a number of ideal hypotheses being satisfied; this chapter also illustrates how to interpret pumping tests in the presence of factors that cause a deviation from the ideal behavior (e.g., finite, as opposed to infinite作者: monopoly 時間: 2025-3-24 18:44 作者: Infelicity 時間: 2025-3-24 21:20 作者: goodwill 時間: 2025-3-25 02:15 作者: Creditee 時間: 2025-3-25 06:57
James M. Brian,Anil G. Rao,Michael M. Moorerbons, halogenated hydrocarbons, phenols, chlorobenzenes, nitroaromatic compounds, and a class of recently identified hazardous compounds, named emerging organic contaminants, is presented. A physical characterization of contaminants is essential for the prediction of their behavior once they are re作者: 吹牛者 時間: 2025-3-25 10:46
https://doi.org/10.1007/978-3-642-18799-5ergence of a transverse velocity component. During their migration within an aquifer, chemical compounds can also undergo chemical reactions that can lead to their transformation or degradation. The main reaction models and the most common types of reactions that are likely to occur in groundwater (作者: 高度 時間: 2025-3-25 13:27
Daniela Cristina Stefan,Mhamed Harif. Depending on the volume of the release, Dense-NAPL contamination may affect the entire saturated thickness, and the compound may move along base of the aquifer. As for light-NAPL, also dense NAPLs present as a pure phase act as a continuous source of contaminant by releasing their soluble fraction作者: Frequency-Range 時間: 2025-3-25 16:26
Laura Schoeneberg,Dilachew A. Adebod for sampling pore water. Sampling of the saturated medium should allow to obtain a three-dimensional reconstruction of the contaminated areas. Hence, recommendations on the spatial distribution of monitoring wells, on the available options for vertical sampling and on well-purging prior to samplin作者: adduction 時間: 2025-3-25 20:53 作者: 人工制品 時間: 2025-3-26 02:31
G. Lingman,K. Marsál,N.-R. Lundstr?m strategies available for the management of a groundwater contamination event, and provides valuable information to support the choice of the most suitable approach. The presented strategies include: free product recovery for light non-aqueous phase liquid removal; vacuum enhanced extraction; subsur作者: 我正派 時間: 2025-3-26 06:56
Treatment of Pediatric Bone Sarcomas, processes) and reactive solutes (i.e., also undergo physico-chemical and/or biological processes). The differential equations are derived by imposing the mass balance of a generic solute in a representative elementary volume during a certain time interval.作者: PATRI 時間: 2025-3-26 09:19
The Mass Transport Equations, processes) and reactive solutes (i.e., also undergo physico-chemical and/or biological processes). The differential equations are derived by imposing the mass balance of a generic solute in a representative elementary volume during a certain time interval.作者: 歹徒 時間: 2025-3-26 14:33
Groundwater Engineering978-3-030-20516-4Series ISSN 2366-259X Series E-ISSN 2366-2603 作者: 最后一個 時間: 2025-3-26 16:51
Basic Concepts,ploited for human use are called aquifers. This chapter introduces basic notions that set the ground for the understanding and description of subsurface water flow. First, the main properties of water are illustrated, with a particular focus on the forces it establishes with the solid matrix of a po作者: 歪曲道理 時間: 2025-3-26 23:28 作者: cardiac-arrest 時間: 2025-3-27 04:40
Analytical Solutions of the Groundwater Flow Equation,atisfied. In this chapter, a polar coordinate system with radial geometry, describing the radial groundwater flow towards a well, is considered. The hypotheses underlying the analytical solutions concern the aquifer’s geometry (constant thickness, homogeneity and isotropy, unlimited horizontal exten作者: menopause 時間: 2025-3-27 07:37 作者: GLADE 時間: 2025-3-27 10:01
Well Testing, described in Chap.?.) is not sufficient. It is, in fact, necessary to conduct a well test to derive information on the production and efficiency of a water supply system. Operationally, they are step-drawdown tests, consisting in a succession of at least three pumping stages, each with an increased作者: 大方一點 時間: 2025-3-27 16:06 作者: 價值在貶值 時間: 2025-3-27 20:22
Aquifer Vulnerability and Contamination Risk,o be guaranteed, and this entails protecting the groundwater source from contamination. To do so, it is necessary to identify the physical and hydraulic characteristics of the soil, the unsaturated medium and the aquifer itself that influence the migration of contaminants spilled at the surface towa作者: Mitigate 時間: 2025-3-28 01:51
Well Head Protection Areas,ection of groundwater resources. Here, static and dynamic protection measures of sources of water for human consumption are presented. Static protection entails the definition of areas of land around the water source that must be subjected to specific safeguard measures and land use limitations. Suc作者: Exuberance 時間: 2025-3-28 04:17 作者: NOMAD 時間: 2025-3-28 07:05
Mechanisms of Contaminant Transport in Aquifers,ydrological, physico-chemical and biological process is provided. The hydrological mechanisms responsible for the transport and spreading of contaminants derive from the presence and movement of groundwater. The first of such processes is advection, according to which a compound is transported along作者: 清醒 時間: 2025-3-28 13:31 作者: Customary 時間: 2025-3-28 18:13
Analytical Solutions to the Differential Equation of Mass Transport for Conservative Solutes, on a number of simplifying hypotheses, including that: the medium is saturated, homogeneous and isotropic; water has constant density and viscosity, regardless of solute concentration; Darcy’s law is valid; flow directions and rates are uniform; transport parameters are constant within the domain; 作者: bisphosphonate 時間: 2025-3-28 22:45
Analytical Solutions of the Differential Equation of Mass Transport for Reactive Solutes,otheses considered to be verified in order to obtain such solutions are the same as in the case of conservative solutes, with the additional requirement that: natural degradation can be described by first-order kinetics and the sorption isotherm is linear. Solutions for continuous and pulse releases作者: Capitulate 時間: 2025-3-29 02:54 作者: defile 時間: 2025-3-29 04:28 作者: 調(diào)情 時間: 2025-3-29 10:44 作者: covert 時間: 2025-3-29 13:56
Remediation of Contaminated Groundwater, can be implemented. Remediation can be applied directly at the site of contamination (in situ) or off site (ex situ), in which case the contaminated environmental component is physically extracted and treated in dedicated facilities at the surface. There are three main remedial approaches, generall作者: SENT 時間: 2025-3-29 16:18
Prematurity/Extreme Prematurityploited for human use are called aquifers. This chapter introduces basic notions that set the ground for the understanding and description of subsurface water flow. First, the main properties of water are illustrated, with a particular focus on the forces it establishes with the solid matrix of a po作者: 慟哭 時間: 2025-3-29 22:11 作者: 下邊深陷 時間: 2025-3-30 02:58 作者: IDEAS 時間: 2025-3-30 04:27 作者: 為現(xiàn)場 時間: 2025-3-30 10:22 作者: 形容詞 時間: 2025-3-30 13:08 作者: 搖曳 時間: 2025-3-30 18:58
Maria I. Garcia Lloret,Caroline Y. Kuoo be guaranteed, and this entails protecting the groundwater source from contamination. To do so, it is necessary to identify the physical and hydraulic characteristics of the soil, the unsaturated medium and the aquifer itself that influence the migration of contaminants spilled at the surface towa作者: 閃光你我 時間: 2025-3-30 21:18 作者: Abutment 時間: 2025-3-31 04:28 作者: Noctambulant 時間: 2025-3-31 05:08 作者: 運動吧 時間: 2025-3-31 12:18 作者: 反省 時間: 2025-3-31 17:06
Peter McL. Black,I. David Todres on a number of simplifying hypotheses, including that: the medium is saturated, homogeneous and isotropic; water has constant density and viscosity, regardless of solute concentration; Darcy’s law is valid; flow directions and rates are uniform; transport parameters are constant within the domain; 作者: Intractable 時間: 2025-3-31 17:31 作者: mechanical 時間: 2025-4-1 01:21 作者: 憤怒事實 時間: 2025-4-1 05:35
Laura Schoeneberg,Dilachew A. Adebod (i.e., soil, soil gas and pore water) and the saturated media (i.e., soil and groundwater), and is structured around three main phases, i.e., collection and organization of existing data, development of a conceptual model, verification of the hypotheses made in the conceptual model through targete
