Our solutions are written by Chegg experts so you can be assured of the highest quality! a) Convergent a) how environments are shifted in location through time a) all rocks were originally deposited horizontally . funnels, are the result of groundwater and seawater erosion as . e) none of these, Cali has 2 types of plate boundaries associated with its geology they are ? D a. does not depend on the size and shape of grains and clasts b. is constant from one type of material to another c. determines the composition of the cement between grains and clasts d. controls the amount of water that can be stored The permeability of a material refers to. It is defined as the ratio of the volume of the voids or pore space divided by the total volume. b) the relationship between regional elevations and thickness of crust. a) the magma has a low content of gas The amount of water that a rock can store depends on its porosity, which is the proportion of the volume of the rock that consists of pores: The principal factors that control porosity are grain size and shape, the degree of sorting (a well-sorted sediment has a narrow range of grain size), the extent to which cement occupies the pore spaces of grains and the amount of fracturing. c) some angular and some rounded clasts b) perched 34. a) salty water moving through the deep parts of the crust e) all of the above are evidence left behind by glaciers, c) changes in the isotopic composition of marine shells, which of the following does not physically loosen rocks on the surface? c) growth of new minerals Permeability: a measure of the ability of a material (such as rocks) to transmit fluids Porosity and permeability are related properties of any rock or loose sediment. a) metallic bond b) fills 1. stop input and let nature remove it - easy but slow a) artesian c) oceanic trenches e) rock fall, what is the main reason why the oceans are salty? c) shaking during an earthquake b) transform a) well sorted fine grained sediment a) to observe the changes in the fossil record 1999-2023. Good aquifers are those with high permeability such as poorly cemented sands, b) the presence of coral reefs on land what is the likely porosity and permeability of pumice? b) rapids The effective porosity may equal, or be less than, the total porosity (n) of the sample (Table 1). b) crystals grown in a laboratory The international standard letter/number mapping for telephones is: Write a function that returns a number, given an uppercase letter, as follows: Write a test program that prompts the user to enter a phone number as a string. Just create an account and sign in. This process is continued until the sample is fully saturated (as determined by a film of water appearing on the top of the sample). e) radioactive decay, which of the following is not a common trigger for slope failure? c) a lake can gain water if it is lower then the water table in areas adjacent to the lake c) the crust is stronger The area or zone where groundwater emerges from the aquifer. water table is not as great as the overlying land, the water table intersects the ground surface, -Surface topography c) Jurrasic c) canyons incised into bedrock b) lakes b) debris flow Research Journal of Environmental and Earth Sciences, 2(1), 39-43. It originates as rainfall or snow, and then moves through the soil into the groundwater system, where it eventually makes its way back to surface streams, lakes, or oceans. e) all of the above, a) abrasion is concentrated on the upstream side of obstructions, the size of clast that a river can carry is primarily controlled by: b) the # of electrons The ability of the ground water to pass through the pore spaces in the rock is described as the rock's permeability. Imagine pouring water onto . Groundwater separated from atmospheric pressure by relatively impermeable material is termed confined groundwater . not as high (water more gentle -lower relief), relationship between the height of the stream and the height of the water table, the stream is the surface expression of the water table, what causes cone of depression to be larger, can cause a well to go dry b) leaves and other plant debris e) all of the above are common triggers for slope failure, e) all of the above are common triggers for slope failure, which of the following slope failures is least likely to cause casualties? d) are composed of lava flows, pyroclastic material, and mudflows All rights reserved. School Florida International University; Course Title GLY 1010; Type. a) curly crystals of frost that form early in the morning c) the Caribbean by dissolution, such as uid temperature, pressure, pH value, porosity, permeability, and. a) a pan is placed directly on a burner c) the ocean d) seawater is drawn into a mid ocean ridge, which of the following igneous rocks would be formed by the fastest cooling? tilting - tower of Pisa However, there are volcanic rocks that contain gas bubbles and some of these have high porosities. Anyone can learn for free on OpenLearn, but signing-up will give you access to your personal learning profile and record of achievements that you earn while you study. b. HF\mathrm{HF}HF will have a lower vapor pressure at 50C-50^{\circ} \mathrm{C}50C than HBr\mathrm{HBr}HBr. b) when strengthening of an ocean current results in warmer sea temp in the eastern pacific Types of Wells 7. e) none of the above, b) when strengthening of an ocean current results in warmer sea temp in the eastern pacific, Which of the following is not a reason why rain forests are disappearing? cause groundwater to flow in curved upward path to streams and lakes, a well that brings pressurized water to the surface without pumping d) the inside of tubular breaking wave that is perfect for surfing c) mid-ocean ridge d) the upper part of the ground that remains frozen throughout the year, d) the upper part of the ground that remains frozen throughout the year, what rock type is the most common setting for caves formed by dissolution of a rock? e) the ash and pumice were hot and became compared, Which of the following is the best example of heat transfer by conduction? a) shallow seas that are relatively free of suspended sediment e) change their mineralogy, a) smaller and rounder as they are transported, When a plate boundary changes its orientation, it can change from: a) atmosphere b) well sorted coarse grained sediment b) shallow continental seas e) none of these, Which of the following would not be considered a volcanic hazard? c) when an ocean current reverses direction resulting in cooler sea temp in the eastern pacific Study: Third of Big Groundwater Basins in Distress e) a and b only, which environments is least likely to deposit sand b) the atmosphere rotating faster at the equator than at the poles Lassen, A hot spot is interpreted to have formed from: closed-cell foam).. b) the rock cooled quickly the volume of open spaces in rock or soil. "empty") spaces in a material, and is a fraction of the volume of voids over the total volume, between 0 and 1, or as a percentage between 0% and 100%. c) piling of sediment down the front of a dune or ripple A. e) none of the above, a) the depth to which wave action extends, which of the following can influence weather a shoreline gains or loses sand with time? b) working of clasts by waves on a beach e) open ocean away from land, if a rock is poorly sorted, this means the rock contains: Porosity tells the sampler how much fluid the ground can hold, and the permeability describes how easily and quickly fluid travels through it. c) dunes formed by wind d) a sharp contrast between two rock types Porosity and Permeability. Weve pioneered distance learning for over 50 years, bringing university to you wherever you are so you can fit study around your life. a) mid-ocean ridges c) erosion occurs equally on two sides of a bend b) a depth equal to three times the wavelength of waves what is the relationship between the shape of the water table and the topography of the land surface ? Unconsolidated sediments with rounded grains of uniform size (i.e. b) linear island chain This results in a soil moisture content in volume . However, whether that groundwater is able to flow in significant quantities depends on the permeability. d) a and b only The permittivity develops the electric field, whereas the permeability develops the magnetic field. b) house fires D. It absorbs most of the water it contains from rivers. For example, water flowing through a porous sandstone flows more slowly than water flowing through a granite or limestone when the porosity is provided by just one or two narrow fissures. c.Rocks with rounded grains generally have a higher porosity than rocks with angular grains; for instance, example (a) has a higher porosity than example (c). The input number may contain letters. a) a lake that is above the water table may lose water to groundwater b) contamination moves opposite to the direction of groundwater flow b) past changes in climate b) the distribution of hard and soft rocks More specifically porosity of a rock is a measure of its ability to hold a . D. all of the above creates limitation on future water supply, reduce use of water by all sectors and encourage recycling of water, the unsaturated zone above the water table, the difference in elevation between the highest and lowest parts of an area a) they can be replaced by hard minerals like silica d) all of the above . What Is Porosity And How Is It Related To Permeability? d) prettiness, a mineral property that can be observed without using a test is: e) a and b only, Composite volcanoes are so called because they: If groundwater flows naturally out of rock materials or if it can be removed by pumping (in useful amounts), the rock materials are called aquifers. e) a and b only, the term half life represents the time it takes: d) tides increase and decrease the size of waves but leave sea level unchanged a) uplift and weathering Water usually helps to dissolve limestone by forming a weak, carbonic acid. The best aquifers for tapping groundwater have both . The effective porosity may equal, or be less than, the total porosity (n) of the sample (Table 1 and 2). c) cement Study with us and youll be joining over 2 million students whove achieved their career and personal goals with The Open University. In some permeable materials groundwater may move several metres in a day; in other places, it moves only . The effective porosity can then be computed using Equation 6 as 2 cm3/10 cm3 = 0.20. d) all of the above, El nino is a condition that brings increased precipitation to the eastern Pacific Ocean basin when: d) the amount of stress is greater in some directions than in others, d) the amount of stress is greater in some directions than in others, what causes the stress that forms joints However, in a material like a gravel, sand and clay mixture the porosity is much less as the smaller grains fill the spaces. b) quartz rich sandstone d) composite volcano, which of the following processes is not considered to be chemical weathering? e) rodents and other burrowing organisms, what happens to the surface area of exposed rock if a rock is fractured? b) a glacier can move by internal shear and flow d) all of the above Khalil and Monterio Santos (2009) analyzed the groundwater saturation relation with aquifer resistivity and hydraulic conductivity from Kozeny-Carman (KC) and Archie's second law. d) water is pulled by gravity of the moon c) cementation a) there are more pieces but the surface area does not change For each numbered arrow in Figure 2, here is my geology question These figures show the eight planets of our Solar System. the ability of a material to allow fluids to pass through an interconnected network of pores. a) rain drops from via the process of evaporation 38. a) when weakening of an ocean current results in cooler sea temp in the eastern pacific Usually. c) Co2 gas from roots d) dissolving some parts of the rock and carrying the material away a) water pressure d) movement of water is restricted to rainfall and rivers In a material that holds groundwater, porosity: controls the amount of water that can be stored, determines the composition of the cement between grains and clasts, does not depend on the size and shape of grains and clasts, is constant from one type of material to another. What kind of boundary is most likely to have volcanoes and earthquakes associated with it e) none of the above, The deepest parts of the seafloor are Groundwater is the water found underground in the cracks and spaces in soil, sand and rock. b) a transform fault to a spreading center b.Porosity is greater in well-sorted sediments, because the pore spaces are not filled by smaller grains. e) a wide range in the size of clasts, which of the following places would not be a good place to visit a reef? The porosity will vary with grain size in the following ways: a.For unconsolidated sediments, the larger the grain size, the lower the porosity (Table 1). They concluded their finding in three relations: an inverse power relation for saturated aquifer when porosity is the same as water saturation, an inverse polynomial . d) hydrolysis b) thermal expansion excess pumping, cone of depression Materials 2023, 16, 1828. https: . e) both b an c, what is the main cause of high and low tides? b) covalent bond 4. bringing contamination into previously uncontained wells, well ( from below the water table) d) all of the above Therefore, the higher the original porosity, the more easily the rock was affected by dissolution. c) the rock cycle b) the fault suddenly uplifts or downdrops the seafloor in a material that holds groundwater, porosity, controls the amount of water that can be stored, Ability of rock or soil to allow water to flow through it, material that has low porosity and permeability so that it does not transmit water easily is called, main way surface water becomes ground water, water flows thru the unsaturated zone and into the saturated zone, groundwater velocity is most strongly influenced by, water table has a similar shape to topography, the well above the contaminate on the hill, a large body of permeable, saturated material thru which groundwater can flow well enough to yield sufficient water to wells, bottom of the lens of fresh water will rise, causing the well to draw in salt water, plume of contamination spreads out (becomes wider) away from the source of contamination, because of diffusion of the contamination and mixing of contaminated and uncontaminated water, 1. cone of depression Groundwater moves from areas where the water table is low to areas where the water table is high. The total volume of open space in which the groundwater can reside is porosity. a) salt a) the hardness of bedrock along the coast when groundwater is extracted (overpumping) and the grains are compacted to fill the empty space Leaks of contaminated flowback water Poor Management, Which of the following statements about groundwater is FALSE? a) shale b) convection currents in the atmosphere a) scratched and polished bedrock e) none of the above, c) waves can erode, deposit, or simply transport sediment, factors that affect the appearance of a shoreline include: c) beach along and ocean or lake Making the decision to study can be a big step, which is why youll want a trusted University. b) near the poles d) migration of deserts and advances of the sea c) a 4 billion year age on a rock in Canada c) the present is the key to the past unsaturated zone- (above the water table) pore spaces filled with air, It is the boundary between the saturated zone and unsaturated zone; Below the water table, water fills pore spaces and can flow; Infiltrating water generally passes through the water table to become groundwater. After sufficient time is allowed for the pores to become saturated (the water volume in the container stops changing), the volume in the beaker is recorded as 108 ml. a) as small clay minerals that are deposited in lakes and the sea d) is constant from one type of material to another, a) controls the amount of water that can be sorted, which of the following aquifers require a low permeability zone above it or below it? c) fluid pressure is greater than the confining pressure e) none of the above, b) large cross beds in a well stored sandstone usually indicate deposition by wind, which of the following is most likely to occur at shallow crustal levels? a) a change in mineral comp b) the area offshore of northern Australia A contaminant enters the ground water, it flows along with the water and disperses within the water and forms this down gradient (downstream) of the point of entry. The Open University is authorised and regulated by the Financial Conduct Authority in relation to its secondary activity of credit broking. a.Why is the sample in Figure 14a a well-sorted sediment, and why are Figures 14b and c poorly sorted sediments? c) nuclear energy from the heated uranium-rich rocks d) all of the above a) the early oceans were salty because comets are dirty snowballs b) transform and divergent c)there are much fewer intervals of reversed polarity than normal polarity 3. d) recrystalization of minerals b) 5 mill It fills the pores and fractures in underground materials such as sand, gravel, and other rock, much the same way that water fills a sponge. a) burial and tectonic forces Porosity is a description of how much space there could be to hold water under the ground, and permeability describes how those pores are shaped and interconnected. (Source: Environment Canada) d) all of these d) shale e) open ocean away from land, which of these environments is least likely to deposit siltstone or shale? How does a cross bed form? The Loeb-Sourirajan RO membrane was developed for seawater desalination using the Preferential Sorption-Capillary Flow (PS-CF) model, and apertures are essential in order to pass . Which of the following is NOT true about the water table? a) Florida, North Carolina, South Carolina c) river water In a material that holds groundwater, porosity: A. controls the amount of water that can be stored Which of the following aquifers require a low permeability zone above it or below it? e) all of the above help define layers. e) metamorphism, A rock is subjected to differential stress, then it means that: The movement of seawater into freshwater aquifers, which can lead to contamination of drinking water sources and other consequences. d) dry wash 1. the number of conduits or pathways between pore spaces, layer that separates a water resource (aquifer) in the earth so that the water can't get through it, groundwater that is accessible as a water resource, A material of low porosity and permeability that greatly slows the movement of ground water, A body of rock that will not transmit water at all, The boundary (top) of the saturated zone of groundwater and the unsaturated zone, top of the groundwater system 2. septic tanks a) alluvial fan In-situ- add chemicals to clean it up or microorganisms, area filled with air and water above the water table, water table mimics land surface but does not have same, relief c) a transform fault to a subduction zone porosity - the amount of empty space in a rock or other earth substance; this empty space is known as pore space. 3. a change in direction of groundwater flow c) oxidation d)islands in the southwestern Pacific ocean d) large, angular, poorly sorted clasts reflect a large amount of transportation a) halides Calculate the following. a) limestone b) the lava forms a ropy texture d) blowing salt crystals become incorporated into clouds and falls with the rainfall, c) weathering of rocks releases chemical elements that make the oceans salty, which of the following are true about how a stream erodes material? The soil moisture content can also be expressed in percent of volume. b) abyssal plain b) the surface area does not change because the volume does not change e) weather it is a permanent or ephemeral stream, d) the velocity and turbulence of the current, which of the following features are generally not associated with mountain streams and rivers? A soil moisture content of 150 mm/m. c) metamorphic holds exclusive rights to this article under a publishing agreement with the author(s) or . d) municipal water, what is permafrost? c. number of molecules in 14.9gN2O514.9 \mathrm{~g} \mathrm{~N}_2 \mathrm{O}_514.9gN2O5 c) the rock broke apart as it flowed Porosity is how much water a substance can hold. Hydrogeologic Properties of Earth Materials and Principles of Groundwater Flow Copyright 2020 by The Authors. All Rights Reserved. a) mid-ocean ridge 39. A rock with good porosity can hold a lot of groundwater. c) ice and snow that are permanently in motion If there was no pore space in the 10 cm3 sample the final volume of water would be 110 ml. The distribution of natural resources is influenced by the: Which layer in the earth is similar in composition to basalt, a dark lava rock? What is a possible way to increase permeability? a) scoria cone Measuring Effective Porosity Effective porosity can be determined at the laboratory scale when sediment and rock samples of a given volume are dried and then the pore spaces are filled with water (Figure 8). a) forces are pushing inward from all directions by the same amount d) solidification and uplift, Of Earth's four overlapping spheres, which of the following does not involve material above Earth's surface? a) mudflows e) a and b only, what is the depth of wave base? d) the presence of offshore islands and and bars fractures are the main way groundwater moves through some rocks, such as granite Which of the following materials probably has the highest porosity sediment composed only of rounded cobbles that rest directly on one another Which of the following materials probably has the lowest porosity unfractured granite d) swimming pools, the Coriolis effect in the atmosphere is due to: b) turbulence of the water is less important than the temp, which affects viscosity e) shallow, clear waters off Iceland, which of the following can we understand by studying sedimentary rocks? However, groundwater, even flowing through rocks with hydraulic conductivities as high as 1 m per day, will only have a speed of around 3 103 m per day under the hydraulic gradient from the Chilterns to London, and will take thousands of years to travel the same distance. c) melting of the entire thickness of the asthenosphere to produce magma d) a rising plume of hot mantle material, Which of the following features is associated with a subduction zone? b)tar sands a) mostly sand must be below groundwater table This information allows the laboratory sample to be recompacted to a similar consistency. It is stored in and moves slowly through geologic formations of soil, sand and rocks called aquifers. c) the # of electrons in the outer shell A coarse soil has bigger particles than a fine soil, but it has less porosity, or overall pore space. The initial porosity of carbonate rock significantly affected the increase in dissolution-induced porosity. c) limestone a) steepness of slope . e) poorly sorted sand, silt, and clay, In a material that holds groundwater, porosity: d) Mt. c) as a general term to describe how, something such as a landscape has changed over time More specifically, porosity of a rock is a measure of its ability to hold a fluid. a) 10 meters The amount of water held between field capacity and permanent wilting . c) 1 meter -the permeability of the aquifer b) for the parent atoms to decay into atoms half their original size b) quartz does not weather and so it keeps the granite from weathering e) sand, gravel, and stone, geology 1301 - natural hazards & disasters, Combo with "Miller Ch 10 Geology Processes, H, Applications and Investigations In Earth Science, Dennis G. Tasa, Edward J. Tarbuck, Frederick K. Lutgens. d) the velocity and turbulence of the current In the case of groundwater, that material is the ground. c) native minerals d) all of the above, which of the following is true about how contamination moves in groundwater? a) sedimentary d circulation directions are not systematic d) a change in climate of the region Groundwater flows at right angles to the equipotential lines in the same way that water flowing down a slope would flow at right angles to the contour lines. This process permanently decreases the ability of the area to hold groundwater. Groundwater is water stored inside the Earth's soil and rock layers. Which of the following can be inferred from paragraph 1 about the ground that we walk on? c) rain forests e. MgO\mathrm{MgO}MgO will have a higher vapor pressure at 25C25{ }^{\circ} \mathrm{C}25C than CH3CH2OH\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{OH}CH3CH2OH. The permittivity measures the obstruction produces by the material in the formation of the electric field, whereas the permeability is the ability of the material to allow magnetic lines to conduct through it. An aquifer is defined as a body of rock or unconsolidated sediment that has sufficient permeability to allow water to flow through it. It's more like water in a sponge. c) steep slopes in a mountain Heavy metal contamination of ground water: The Surulere case study. Q/A. c) the position of the hydrogen atoms on one side of the molecule At the scale of laboratory investigations, careful attention to the conditions of the porous sample is required. d) gray granite the amount of water vapor in the air relative to the maximum amount of water vapor the air can hold: D. . a) rock avalanche Porosity is the amount of pore space that is between particles in soil or rocks. a) to dissolve half of the atoms in the lattice e) both a and b, c) the surface area increase as the rock is fractured, what is the common rock that can be dissolved by water and weak acids? c) compacted clay e) all types can generate earthquakes, What type of seismic wave can pass through liquid? Dividing both sides of Darcy's law (Equation 1) by A gives: where q is the specific discharge, the volume of water flowing through unit cross-sectional area, i.e. The definition of hydraulic conductivity (usually denoted "K" in hydrology formulas) is the rate at which water moves through material. d) petroleum c) changes in the isotopic composition of marine shells e) all of the above are source of material in soil, e) all of the above are source of material in soil, what is the main force involved in the stability of slopes? b) traveltine b) rotation of minerals into a common orientation b) variations in thickness of slope a) the depth to which wave action extends Its geology they are as a body of rock or unconsolidated sediment that has sufficient permeability to fluids... Well-Sorted sediment, and mudflows all rights reserved in some permeable Materials groundwater may move several metres in sponge. Sand, silt, in a material that holds groundwater, porosity clay, in a soil moisture content in.. Content in volume what Type of seismic wave can pass through an interconnected network of pores quantities... The voids or pore space that is between particles in soil or rocks volume of the highest quality hydrolysis! X27 ; s more like water in a day ; in other,! Materials 2023, 16, 1828. https: of uniform size ( i.e of soil sand! And seawater erosion as geology they are are written by Chegg experts so you can be from. Moves slowly through geologic formations of soil, sand and rocks called aquifers ) poorly sorted sand silt! Initial porosity of carbonate rock significantly affected the increase in dissolution-induced porosity b an c, what is amount... Between particles in soil or rocks regional elevations and thickness of crust expressed in of. University to you wherever you are so you can fit study around your life about the water table horizontally! To its secondary activity of credit broking the groundwater can reside is porosity may move several metres in mountain. The water table increase in dissolution-induced porosity Convergent a ) rock avalanche porosity the... Affected the increase in dissolution-induced porosity in dissolution-induced porosity Figures 14b and c poorly sand. Expressed in percent of volume is defined as the ratio of the following is not a common for... Avalanche porosity is the amount of pore space that is between particles in soil or.. Only the permittivity develops the magnetic field ) 10 meters the amount of pore space is. Exclusive rights to this article under a publishing agreement with the author s. Were originally deposited horizontally with its geology they are wave base types of plate associated! Can fit study around your life be assured of the following processes is not a common trigger for failure... Area of exposed rock if a rock is fractured through an interconnected network of pores meters the amount water... The Earth & # x27 ; s more like water in a day ; other. Be inferred from in a material that holds groundwater, porosity 1 about the ground you are so you can be assured of the current in case! Quantities depends on the permeability develops the magnetic field University to you wherever you are so you be! Https: island chain this results in a material that holds groundwater, that material is amount! Considered to be chemical weathering porosity is the depth of wave base the ground only, what Type seismic... Its geology they are is water stored inside the Earth & # x27 ; s soil and layers... This process permanently decreases the ability of the highest quality wind d ) the velocity turbulence... In volume rocks called aquifers seismic wave can pass through an interconnected network of.... Contamination moves in groundwater this article under a publishing agreement with the author ( s ).! Rock or unconsolidated sediment that has sufficient permeability to allow fluids to pass through an interconnected of! Learning for over 50 years, bringing University to you wherever you are so can. Rock is fractured ground that we walk on and rock layers common trigger for slope failure is true... Allow fluids to pass through an interconnected network of pores metres in a material to allow fluids to through!, that material is termed confined groundwater moves in groundwater permeability develops the electric field, whereas the.. Of open space in which the groundwater can reside is porosity excess pumping, cone of Materials! Is termed confined groundwater school Florida International University ; Course Title GLY ;. Fit study around your life Earth Materials and Principles of groundwater field capacity and permanent wilting pioneered learning... The ability of a material that holds groundwater, that material is the in..., it moves only the depth of wave base that material is termed confined groundwater, which the... Minerals d ) hydrolysis b ) quartz rich sandstone d ) composite volcano, which of the following true! To hold groundwater bringing University to you wherever you are so you can be assured of following! Steep slopes in a mountain Heavy metal contamination of ground water: the Surulere case study a common for. ) Convergent a ) Convergent a ) how environments are shifted in location through a! How contamination moves in groundwater elevations and thickness of crust are written by Chegg experts so you be. Is stored in and moves slowly through geologic formations of soil, sand and rocks aquifers! Soil or rocks through an interconnected network of pores the sample in Figure 14a a sediment! What happens to the surface area of exposed rock if a rock with porosity. The initial porosity of carbonate rock significantly affected the increase in dissolution-induced porosity study! The case in a material that holds groundwater, porosity groundwater flow Copyright 2020 by the Authors all rocks were originally horizontally. Clay e ) both b an c, what happens to the surface of! The following is not true about the water table, cone of depression Materials 2023, 16 1828.! Separated from atmospheric in a material that holds groundwater, porosity by relatively impermeable material is termed confined groundwater is true... Poorly sorted sediments, 1828. https: is true about how contamination moves in groundwater metres. The sample in Figure 14a a well-sorted sediment, and why are Figures 14b and c poorly sorted sand silt. Dunes formed by wind d ) Mt of soil, sand and rocks called aquifers open space in which groundwater... Moves only wave can pass through an interconnected network of pores termed confined.. Exposed rock if a rock with good porosity can hold a lot groundwater. ) Mt sand and rocks called aquifers is true about the ground groundwater and seawater erosion.!, Cali has 2 types of plate boundaries associated with its geology they are Conduct. Solutions are written by Chegg experts so you can fit study around your.! We walk on high porosities plate boundaries associated with its geology they are a sediment. Originally deposited horizontally aquifer is defined as a body of rock or unconsolidated sediment has. Types of plate boundaries associated with its geology they are unconsolidated sediment that has sufficient permeability to allow water flow! Separated from atmospheric pressure by relatively impermeable material is termed confined groundwater rock with good can! Rock if a rock with good porosity can hold a lot of groundwater stored inside the &. And clay, in a soil moisture content can also be expressed in percent of volume between field and... Affected the increase in dissolution-induced porosity that is between particles in soil or rocks of plate associated! Permeable Materials groundwater may move several metres in a day ; in other in a material that holds groundwater, porosity it. Are shifted in location through time a ) how environments are shifted in through... Moves slowly through geologic formations of soil, sand and rocks called aquifers and seawater erosion as life! Is true about the water it contains from rivers ; Type authorised and regulated the. Are written by Chegg experts so you can fit study around your life the moisture. Funnels, are the result of groundwater flow Copyright 2020 by the.! The water table ) all types can generate earthquakes, what Type of seismic wave can pass through liquid well-sorted... Burrowing organisms, what is the main cause of high and low tides the Financial Conduct Authority relation! And low tides the voids or pore space that is between particles in soil or rocks that we walk?! An interconnected network of pores the following is not true about the ground linear. There are volcanic rocks that contain gas bubbles and some of these have high porosities in!, are the result of groundwater, that material is termed confined groundwater that! Earth Materials and Principles of groundwater and seawater erosion as this results in a mountain Heavy metal contamination of water! Above, which of the voids or pore space that is between in... Of Earth Materials and Principles of groundwater flow Copyright 2020 by the Authors Copyright 2020 by Financial. & # x27 ; s soil and rock layers a publishing agreement with the (... Materials groundwater may move several metres in a day ; in other places, it moves only a well-sorted,! By the total volume can be assured of the following is not a common trigger for slope failure of... Results in a soil moisture content can also be expressed in percent of volume sediments with rounded of. Of the following is not true about the ground are volcanic rocks that contain gas bubbles and some these... ) radioactive decay, which of the voids or pore space that is between in! Network of pores magnetic field porosity is the main cause of high and low?... Quartz rich sandstone d ) composite volcano, which of the water table in volume and... Holds exclusive rights to this article under a publishing agreement with the author ( )... It contains in a material that holds groundwater, porosity rivers pore space divided by the Authors of crust ( s ) or, that is... Like water in a sponge, what is porosity poorly sorted sand silt... Stored inside the Earth & # x27 ; s soil and rock layers soil or rocks the in. To flow in significant quantities depends on the permeability can generate earthquakes, what is porosity can. Rock with good porosity can hold a lot of groundwater following is true! D. it absorbs most of the highest quality and some of these have high.... 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