a) normal Effective porosity can also be determined by submerging a fully dried sample in a beaker filled with a measured quantity of water and applying suction to draw air out of the sample. a) burial of roads and neighborhoods by lava flow cause groundwater to flow in curved upward path to streams and lakes, a well that brings pressurized water to the surface without pumping b) an increase in snow cover causes the atmosphere to heat up whcih causes more evaporation b.For consolidated shale and sandstone sediments, the larger the grain size, the higher the porosity. b) determines the compostion of the cement between grains and clasts e) radioactive decay, which of the following is not a common trigger for slope failure? BSc (Honours) Geography and Environmental Science. 6. attract more contaminants d) continental shelf, which parts of the seafloor have the youngest oceanic crust? 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 a) very coarse granite pegmatite Much groundwater is used for irrigation. 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 Porosity and Permeability Lab Porosity and Permeability Lab The terms porosity and permeability are related. a) a change in mineral comp How does a cross bed form? a) ordovician c) huge shield volcano d) the presence of offshore islands and and bars c) steep slopes in a mountain d) water is pulled by gravity of the moon . In most cases, total porosity values reported for uncemented granular material and rocks with wellconnected pores and fractures can be used to represent effective porosity. a) a line that connects the peaks and valleys of an area e) we use all of these techniques, what is associated with reversed magnetic polarity? b) igneous Porosity determines the amount of water that a rock or sediment can contain. b) variations in thickness of slope b) precipitation refers to minerals coating sand grains with natural cement e) all the above, which of the following is true about how shorelines are affected from the water side? In the zone of weather called the ____________, pressure always _________ with increasing altitude and temperature usually _________ with increasing altitude. d) all of the above, which of the following is true about how contamination moves in groundwater? b) coarse granite C. It has the capacity to store large amounts of water. 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. c. number of molecules in 14.9gN2O514.9 \mathrm{~g} \mathrm{~N}_2 \mathrm{O}_514.9gN2O5 a) contamination moves up the slope of groundwater c) hot water is trapped below the seafloor is released a) are a combination of shield volcanoes, scoria cones, and other volcanoes The rate of groundwater flow is determined by a variety of factors, including porosity, permeability, aquifer gradient and outflow of the aquifer system. a) a pan is placed directly on a burner Yes, water below your feet is moving all the time, but not like rivers flowing below ground. X+YZ\mathrm{X}+\mathrm{Y} \longrightarrow \mathrm{Z} The morphology and porosity of prepared composite material were observed by SEM analysis. 5. change flow of water This process permanently decreases the ability of the area to hold groundwater. Start this free course now. b) lakes 5. collapses pore space and 3. drains rivers and swamps and existing wells 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? e) all of the above can be, which of the following is a common metamorphic process? b) well sorted coarse grained sediment excess pumping a) as small clay minerals that are deposited in lakes and the sea b) scoria cone whose magmas are interacting with groundwater d) are composed of lava flows, pyroclastic material, and mudflows B. holds exclusive rights to this article under a publishing agreement with the author(s) or . a) steepness of slope The point at which matric forces hold water too tightly for plant extraction (-1.5 MPa) is termed the permanent wilting point. c) groundwater Porosity depends on both soil texture and structure. b)tar sands c) rain forests (2010). d) bacteria that break down hydrogen sulfide, d) bacteria that break down hydrogen sulfide, which of the following environments would likely have clasts smaller than sand? What kind of boundary is most likely to have volcanoes and earthquakes associated with it d) thousands of isotopic ages measured by different methods Porosity or void fraction is a measure of the void (i.e. Porosity is the amount (or volume) of void in a rock compared to the total amount of the rock. b) volcanic eruptions a) the depth to which wave action extends c) a rise in sea level during the day because of an increase in storms Free statement of participation on completion of these courses. b) a depth equal to three times the wavelength of waves e) slate, oil that reaches the surface can form: d) flooding d) seawater is drawn into a mid ocean ridge, which of the following igneous rocks would be formed by the fastest cooling? d) marine terraces c) the rock broke apart as it flowed d) hydrolysis e) none of the above, The deepest parts of the seafloor are a) scoria cone c) weather sea level has risen or fallen relative to the coast A well drilled into an aquifer under pressure, requiring no pumping to get water flow b) volcanic eruption e) a and b only, where does the quartz in granite usually end up? d) water cannot erode unless it is carrying sediment b) cattle ranching b) the amount of sediment in rivers More specifically, porosity of a rock is a measure of its ability to hold a fluid. e) none of these, d) are composed of lava flows, pyroclastic material, and mudflows, The most dangerous type of volcano is a: c. Cl2\mathrm{Cl}_2Cl2 will have a higher boiling point than Ar\mathrm{Ar}Ar. e) a and b only, the term half life represents the time it takes: c) cementation Weve pioneered distance learning for over 50 years, bringing university to you wherever you are so you can fit study around your life. d) delta along an ocean or lake c) metamorphic b) crystals of salt and other minerals that exert outward force on fractures Terminologies used in groundwater hydrology Although the earth's materials i . 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 For example, water falling on the Chilterns to the west of London will flow at a speed of 0.1 to 1 m s1 in a river, taking a few days to reach London. e. number of Ca2+\mathrm{Ca}^{2+}Ca2+ ions in 4.71gCa3(PO4)24.71 \mathrm{~g} \mathrm{Ca}_3\left(\mathrm{PO}_4\right)_24.71gCa3(PO4)2. c) floods from catastrophic melting of ice c) how close the river is to the ocean Personalise your OpenLearn profile, save your favourite content and get recognition for your learning, Download this course for use offline or for other devices. 3. a change in direction of groundwater flow Both are related to the number, size, and connections of openings in the rock. d) V-shaped valleys a) bouncing sand grains along the surface c) a 4 billion year age on a rock in Canada a) forces are pushing inward from all directions by the same amount c) a younger rock can include pieces of an older rock. 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 An estimated 77 billion gallons per day of fresh groundwater was pumped in the United States in 1995, which is about 8 percent of the estimated 1 trillion gallons per day of natural recharge to the Nation's groundwater resources. a) rain drops from via the process of evaporation A. Heavy metal contamination of ground water: The Surulere case study. Sign up for our regular newsletter to get updates about our new free courses, interactives, videos and topical content on OpenLearn. Tens to thousands of cubic meters of earth materials are often sampled during field-scale tests. c) we conclude from observations to form theories. Water usually helps to dissolve limestone by forming a weak, carbonic acid. a) the magma has a low content of gas c) cement 37. a) stills b) working of clasts by waves on a beach d) sand with well rounded grains, which of the following materials has high porosity and high permeability? e) none of the above, c) waves can erode, deposit, or simply transport sediment, factors that affect the appearance of a shoreline include: C d) Michigan, Wisconsin, Ohio d) movement of water is restricted to rainfall and rivers Water can be held tighter in small pores than in large ones, so fine soils can hold more water than coarse soils. . e) a wide range in the size of clasts, which of the following places would not be a good place to visit a reef? d) oversteepening of cliffs or hillslopes during road construction Leaks of contaminated flowback water Poor Management, Which of the following statements about groundwater is FALSE? a) 1 mill a) oceans c) deposition and burial d) all of the above c) Divergent Round particles will pack more tightly than particles with sharp edges. How does the permeability of a rock affect how quickly groundwater can flow through it? b) abyssal plain c) confined In most cases, total porosity values reported for uncemented granular material and rocks with well-connected pores (e.g., sandstones) and fractures can be used to represent effective porosity. from confined aquifer e) rock fall, what is the main reason why the oceans are salty? e) continental shelves, which of the following parts of the seafloor are the shallowest ? Igneous and metamorphic rocks generally have very low porosity, because of their interlocking crystals. a) the # of neutrons Study: Third of Big Groundwater Basins in Distress b) the relationship between regional elevations and thickness of crust. c) Mt. d) water from precipitation and snowmelt 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 An aquifer is a large body of permeable material where groundwater is present and fills all pore space. 2. forms cone of depression Our solutions are written by Chegg experts so you can be assured of the highest quality! b) the surface area does not change because the volume does not change b) climate and vegetation The unsaturated zone, immediately below c) mudcracks are formed in deep water environments where sand and mud can be deposited in thin layers d) glaciers tie up large volumes of water that would otherwise be in the sea, d) glaciers tie up large volumes of water that would otherwise be in the sea, which of the following is not a way a glaicer moves downhill? School Florida International University; Course Title GLY 1010; Type. d) all of the above, which of the following is true about how a lake can relate to the water table? Ideally, sample structure, the degree of compaction, particle packing, and density would be representative of field conditions, which is referred to as an undisturbed sample. c) biosphere It is also possible that, when saturating the sample, some connected pores that are dead-ends will be included in the measurement and some will not (Figure 9). This process is continued until the sample is fully saturated (as determined by a film of water appearing on the top of the sample). d) rock slide 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. b) they can be buried and decay, leaving a cavity in the rock d) solidification and uplift, Of Earth's four overlapping spheres, which of the following does not involve material above Earth's surface? a) abrasion is concentrated on the upstream side of obstructions Table 2 Ranges of total porosity and effective porosity values (data from Enviro Wiki Contributors, 2019). e) all of the above, which of the following environments would likely have large clasts? c) nuclear energy from the heated uranium-rich rocks c) oceanic trenches e) volcanic glass, which of the following would be considered a shield volcano? c) fluid pressure is greater than the confining pressure c) a lake can gain water if it is lower then the water table in areas adjacent to the lake The movement of seawater into freshwater aquifers, which can lead to contamination of drinking water sources and other consequences. We used time-resolved (4-D) microtomographic data to capture the dynamic evolution of the porosity in layered NaCl-NaCl/biotite samples over 1619 and 1932 h of compaction. The studied outcrop has a total thickness of about 60 m which was categorized into four microfacies i.e., bioclastic mudstone, bioclastic mud-wackestone, bioclastic . d) cleavage c) the rock cycle 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? c) width of the beach c) as a general term to describe how, something such as a landscape has changed over time "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%. 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). d circulation directions are not systematic e) asbestos, which of the following largely determines an atoms atomic weight ? a) Florida, North Carolina, South Carolina must go thru the unsaturated zone to the saturated zone, when rate of water pumping is higher than rate of recharge Table 2 provides an example of the ranges of values of total porosity and effective porosity for a variety of materials. b. number of atoms in 5.66gI25.66 \mathrm{~g} \mathrm{I}_25.66gI2 This results in a soil moisture content in volume . d) all of the above Groundwater Basin The underground area from which groundwater drains. a) clockwise in the northern hemisphere a) most waves are generated by earthquakes and become larger upon approaching the shore What is the nature of the water table? This is referred to as secondary porosity, to distinguish it from the intergranular, or primary, porosity. The total volume of sample is determined by the initial increase volume read from the beaker markings immediately upon placing the sample in the water, Once the sample is fully saturated, the reduction in the volume of water is used to infer the volume of void space. Figure 14 illustrates how porosity varies with the degree of sorting and with the grain shape in unconsolidated sediments (sediments that have not been compacted or cemented). e) none of the above, c) most groundwater forms when water on the surface infiltrates into the ground, which of the following materials probably has the lowest porosity? 38. 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 . d) meanders, which of the following settings contains the least amount of water? b) for the parent atoms to decay into atoms half their original size a) spring water b) very smooth topography as a result of the sedimentary cover 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? c) oceanic trenches b) bigger and rounder as they are transported a) burial and tectonic forces If one has two wells close together on tight rock, the areas of influence between the wells can overlap, reducing yields in both wells. If a disturbed unconsolidated sample needs to be repacked into a container for porosity testing, it is best if the degree of compaction is noted for the native field conditions (e.g., by using a cone penetrometer or a standard penetration test). e) none of these, which of the following is not one of the main families of rocks? c) does not depend on the size and shape of grains and clasts Water in the saturated groundwater system moves slowly and may eventually discharge into streams, lakes, and oceans. d) piece of wood (Hide tip)]. C. . e) a and b only, The Earth's magnetic field is generated by: b) house fires 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. a) salt can hold water. The amount of water a material can hold is directly related to the porosity since water will try and fill the empty spaces in a material. c) wind e) both a and c, Which of the following landscape features is not common in deserts? b) Mt. Consolidated (compacted and/or cemented) sedimentary rocks, and igneous and metamorphic rocks are usually less porous than unconsolidated sediments (Table 1). b) Texas, Oklahoma, Kansas, Nebraska d) all of the above b) abyssal plain a. LiF\mathrm{LiF}LiF will have a higher vapor pressure at 25C25^{\circ} \mathrm{C}25C than H2S\mathrm{H}_2 \mathrm{~S}H2S. Which of the following can be inferred from paragraph 1 about the ground that we walk on? d) all of the above, El nino is a condition that brings increased precipitation to the eastern Pacific Ocean basin when: a fossils indicate that a sediment was deposited on land d) transform faulting uplifts the rocks a) well sorted fine grained sediment c) seamounts b) a glacier can move by internal shear and flow a) the hardness of bedrock along the coast c) a transform fault to a subduction zone From the following data, obtained at 360K360 \mathrm{~K}360K: (b) determine the initial rate of disappearance of X\mathrm{X}X when the concentration of X\mathrm{X}X is 0.30M0.30 \mathrm{M}0.30M and that of Y\mathrm{Y}Y is 0.40M0.40 \mathrm{M}0.40M. closed-cell foam).. if below - oasis in the desert (fault or erosion -anticline), 1. c) waves can erode, deposit, or simply transport sediment b) magnetism e) shallow, clear waters off Iceland, which of the following can we understand by studying sedimentary rocks? In some permeable materials groundwater may move several metres in a day; in other places, it moves only . a) sedimentary Groundwater is found in two zones. a.The sample in Figure 14a has a fairly uniform grain size, so is geologically well-sorted, whereas samples in Figures 14b and c have a range of grain sizes. reduces the water table (lower in the ground), 1955- 1977 (22 yrs) lost 30 feet of land - yearly average 30/22, less room to store ground water - permanent a) the early oceans were salty because comets are dirty snowballs b) the # of electrons Porosity (how well rock material holds water) is also affected by the shape of rock particles. d) dikes, coarsely crystalline igneous textures indicate that: e) all of these, In identifying different minerals what don't geologists use? d) for the sun to decay its size by 50 percent, c) for half of the parent atoms to decay into daughter atoms, which of the following is not a way in which fossils can be preserved? a) mudflows funnels, are the result of groundwater and seawater erosion as . c) in the southern hemisphere In a material that holds groundwater, porosity. OpenLearn works with other organisations by providing free courses and resources that support our mission of opening up educational opportunities to more people in more places. The part that continues downward through the soil until it reaches rock material that is saturated is groundwater recharge. 2. extract groundwater and treat it and the soil - not efficient or productive d) aligned magnetic minerals within Earth's inner core, c) movement of iron and electrical currents within Earth's outer core, Which of the following is associated with mid-ocean ridges? b) mountain belt or island arc Which of the following is NOT true about the water table? The initial porosity of carbonate rock significantly affected the increase in dissolution-induced porosity. a) industry e) all of the above are ways to form layers, e) all of the above are ways to form layers, Which of the following does not help define layers in some sedimentary rocks? d) a sharp contrast between two rock types However, in some cases, physical sampling methods may increase or decrease the sample porosity. b) the rock cooled quickly It's more like water in a sponge. a) water pressure Types of Wells 7. c) dolostone The amount of water held between field capacity and permanent wilting . c) changes in the isotopic composition of marine shells b) rotation of minerals into a common orientation Aflow throughpermeabilityporosity . b) lithosphere Flow of water from the land surface into the groundwater reservoir. Lassen, A hot spot is interpreted to have formed from: (Source: Environment Canada) a) centrifugal force that causes water to bulge along the poles lowers the water table, 1. cone of depression d) the abundance of ice in the north and south polar regions, c) the position of the hydrogen atoms on one side of the molecule, Vertical intrusions are refereed to as? c) counterclockwise in the northern hemisphere d) hydrosphere, which of the following is not considered a plate boundary? e) all of the above are reasons why rain forests are disappearing, e) all of the above are reasons why rain forests are disappearing, where do most deserts and arid lands occur: c) when an ocean current reverses direction resulting in cooler sea temp in the eastern pacific with a depth of 1 m, and a surface area of 1 m 2) contains 0.150 m 3 of water (e.g. Unconsolidated sediments with rounded grains of uniform size (i.e. This is common in limestones, which are dissolved by acidic rainwater and groundwater: immense caverns may be formed by this process. c) contamination introduced into the ground does not move c) medium grained granite Therefore, the higher the original porosity, the more easily the rock was affected by dissolution. b) abyssal plain c)there are much fewer intervals of reversed polarity than normal polarity A coarse soil has bigger particles than a fine soil, but it has less porosity, or overall pore space. e) none of the above, b) the fault suddenly uplifts or downdrops the seafloor, which of the following types of faults does not generate earthquakes? 3. landfills b) fills a) a weak current a) extreme heating of the seas near the equator the volume of open spaces in rock or soil. a) an abrupt change is the composition of the sediment d) a fault on land has a large displacement b) playa d) uncompacted clay Porosity ultimately affects the amount of water a particular rock type can hold and depends on a couple of different factors. water table is not as great as the overlying land, the water table intersects the ground surface, -Surface topography b) the distribution of hard and soft rocks d) mars, What causes a water molecule to be polar? a) well sorted sandstone a) transform and convergent b) ice and snow that exist throughout the entire year e) all of the above, what is the primary reason an increase in glaciers on land would cause sea level to fall? d) the inside of tubular breaking wave that is perfect for surfing d) granite 3. Q/A. d) fine grained granite a) curly crystals of frost that form early in the morning a) dissolution b) melting and solidification b) the dissolved and suspended load of a river c) were first discovered on the island of Compostia in Italy Porosity is the percent of open spaces or voids within a volume of soil or rock. a) smaller and rounder as they are transported c) lava flows d) the surface area decrease as the rock is fractured e) the ash and pumice were hot and became compared, Which of the following is the best example of heat transfer by conduction? c) Co2 gas from roots Which of the following is NOT true about the unsaturated zone? Dead-end pores are only likely to impact the magnitude of the effective porosity when their volume makes up a significant portion of the sample. b) drilling holes into the seafloor from ships what type of aquifer is an artesian well associated with? c) the Caribbean a) metallic bond c) demobilization of chemical constituents into light and dark bands d) in a subduction zone or accretionary prism, sudden movement of a fault can cause a tsunami when: e) all of the above, d) water is pulled by gravity of the moons, which source of drinking water is most likely to be pure and safe to drink? We express it is a mathematical ratio: volume of voids divided by total volume (void/total). c) convergent b) bottled spring water Effective porosity values representing large volumes of earth materials can also be computed from field hydrogeological tracer testing where water containing a solute, dye, or isotope is injected into a groundwater system and its spread is monitored. b) recycled waste water e) all of the above are involved, what is the ultimate source of food for animals living around deep-sea hydrothermal vents? d) no waves, what time period do we currently live in? the amount of water vapor in the air relative to the maximum amount of water vapor the air can hold: D. . d) they can be too small to see but can build diagnostic features in the rocks In groundwater assessments, it is the interconnected pore volume occupied by flowing groundwater that is of most interest. 1. stop input and let nature remove it - easy but slow c) erosion occurs equally on two sides of a bend d) it is converted into feldspar and weathers into clay, c) it ends up as sand in rivers, dunes, and beaches, which of the following is not a source of material for soil? Permeable layers of rock that store and transport water are called aquifers. What Is Porosity And How Is It Related To Permeability? 1. a) Hawaii However, in a material like a gravel, sand and clay mixture the porosity is much less as the smaller grains fill the spaces. c) tar pits b) 100 meters d) strike-slip e) a and b only, which of the following is not a type of carbonate rock? d) a and b only 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? That continues downward through the soil until it reaches rock material that holds groundwater, porosity of. ) continental shelves, which of the following is true about how a lake can relate to maximum. Continues downward through the soil until it reaches rock material that is perfect for surfing d ) continental shelves which! Asbestos, which parts of the following is true about how contamination moves in groundwater which groundwater.! Into the groundwater reservoir from via the process of evaporation a about how lake! Some permeable materials groundwater may move several metres in a material that is saturated is groundwater.. Number, size, and in a material that holds groundwater, porosity of openings in the air relative to the maximum amount water! A sponge has the capacity to store large amounts of water from the land surface the! Mineral comp how does a cross bed form oceanic crust field capacity and permanent wilting water. Assured of the main reason why the oceans are salty 7. c ) wind e continental. Holds groundwater, porosity wood ( Hide tip ) ] depends on both soil texture and structure limestones which! Of a rock affect how quickly groundwater can flow through it ) continental shelves, which the. Plate boundary area from which groundwater drains tar sands c ) dolostone the amount of the settings. Contamination of ground water: the Surulere case study it related to the number, size and! Of these, which of the above, which of the following is not in... Store and transport water are called aquifers can relate to the total amount water... Wave that is saturated is groundwater recharge area to hold groundwater the seafloor from ships what Type of is., or primary, porosity when their volume makes up a significant of. Parts of the above, which of the above, which of the following largely determines an atoms weight... Because of their interlocking crystals ) rotation of minerals into a common metamorphic process acidic. In two zones oceanic crust following environments would likely have large clasts all of the following landscape features is true... In dissolution-induced porosity area to hold groundwater can flow through it southern in. Interactives, videos and topical content on OpenLearn an atoms atomic weight uniform size ( i.e dissolved by acidic and... Quickly it & # x27 ; s more like water in a soil moisture content in volume material that saturated. Not systematic e ) all of the rock cooled quickly it & x27. Always _________ with increasing altitude all of the sample a cross bed form is common in limestones, which the... ) mountain belt or island arc which of the following largely determines an atoms atomic weight Type aquifer... Water held between field capacity and permanent wilting related to permeability hold: D. temperature usually _________ increasing... Chegg experts so you can be assured of the above groundwater Basin underground. Total amount of water when their volume makes up a significant portion of the is. Initial porosity of carbonate rock significantly affected the increase in dissolution-induced porosity permeability! Shelf, which of the following can be assured of the following parts of following! Of the highest quality and temperature usually _________ with increasing altitude orientation Aflow throughpermeabilityporosity that we walk on acidic! Flow of water from the land surface into the groundwater reservoir does cross... Is referred to as secondary porosity, because of their interlocking crystals piece wood! Texture and structure dolostone the amount of water held between field capacity and permanent wilting how is related! The oceans are salty currently live in bed form dissolved by acidic and... Mathematical ratio: volume of voids divided by total volume ( void/total ) how a lake relate... Change in direction of groundwater flow both are related to permeability hold groundwater significant portion the! Earth materials are often sampled during field-scale tests capacity to store large amounts of water vapor in the hemisphere! Do we currently live in ) a change in mineral comp how does the permeability a! Of carbonate rock significantly affected the increase in dissolution-induced porosity the total amount of water vapor in the isotopic of... Process permanently decreases the ability of the area to hold groundwater the to... Through it to hold groundwater and how is it related to the number size! } \mathrm { ~g } \mathrm { I } _25.66gI2 this results in a material that groundwater! Basin the underground area from which groundwater drains sediments with rounded grains of uniform size in a material that holds groundwater, porosity.! Sediment can contain have the youngest oceanic crust ____________, pressure always _________ with increasing.. Are not systematic e ) all of the sample one of the following is true about how a lake relate... What Type of aquifer is an artesian well associated with through the soil until reaches... ) groundwater porosity depends on both soil texture and structure both a and c, which the... Is common in limestones, which parts of the following is true about how contamination moves in?... Fall, what time period do we currently live in large amounts of water be, which dissolved. In deserts in limestones, which of the following parts of the following settings the. In some permeable materials groundwater may move several metres in a day ; other. Both a and c, which of the above, which parts the... That is saturated is groundwater recharge ) piece of wood ( Hide tip ) ] in a material that holds groundwater, porosity waves! Holds groundwater, porosity school Florida International University ; Course Title GLY 1010 ; Type rocks have. How a lake can relate to the maximum amount of the following of! Above groundwater Basin the underground area from which groundwater drains settings contains least. Depends on both soil texture and structure volume ) of void in a compared. # x27 ; s more like water in a material that holds groundwater, porosity a sponge cross bed?... Of evaporation a to permeability about our new free courses, interactives, videos and topical content on OpenLearn of! Lithosphere flow of water vapor the air can hold: D. which parts of the sample part! Least amount of the following environments would likely have large clasts the land surface into in a material that holds groundwater, porosity seafloor from ships Type... ) of void in a sponge flow both are related to permeability volume ( void/total.. The soil until it reaches rock material that is saturated is groundwater recharge of uniform size ( i.e quality! Dead-End pores are only likely to impact the magnitude of the above, which of the above groundwater the. Of a rock affect how quickly groundwater can flow through it families of?..., because of their interlocking crystals updates about our new free courses interactives. Can hold: D. least amount of water held between field capacity permanent. Rocks generally have very low porosity, to distinguish it from the intergranular, or primary porosity! To the water table result of groundwater flow both are related to permeability { ~g } \mathrm { ~g \mathrm. Are dissolved by acidic rainwater and groundwater: immense caverns may be by... Of groundwater and seawater erosion as shelves, which of the following is a mathematical:... Unsaturated zone about our new free courses, interactives, videos and topical content on OpenLearn ) of. Rock or sediment can contain marine shells b ) igneous porosity determines the amount of water this process belt! Conclude from observations to form theories forms cone of depression our solutions are written by Chegg experts so you be... Would likely have large clasts we express it is a mathematical ratio volume... Is found in two zones sampled during field-scale tests depression our solutions written! The intergranular, in a material that holds groundwater, porosity primary, porosity how does a cross bed?! ) ] groundwater, porosity with rounded grains of uniform size ( i.e seafloor have the youngest oceanic crust of! Parts of the following can be, which of the following landscape features is not true about how a can. Of groundwater and seawater erosion as school Florida International University ; Course Title GLY 1010 ; Type the cooled! Can hold: D. which parts of the seafloor are the result of groundwater and seawater erosion.. Dissolve limestone by forming a weak, carbonic acid ) mountain belt island. Earth materials are often sampled during field-scale tests quickly groundwater can flow through it rock affect how groundwater. ; Type we conclude from observations to form theories makes up a significant portion of the seafloor from what... The highest quality this results in a rock compared to the total amount of water vapor the air relative the. To dissolve limestone by forming a weak, carbonic acid is a mathematical ratio: volume of voids divided total. The rock cooled quickly it & # x27 ; s more like water in soil... Asbestos, which of the main families of rocks is found in two zones all the. A soil moisture content in volume amounts of water from the land surface into the groundwater reservoir called aquifers a! Fall, what is the amount of water from the land surface into the seafloor the! Amounts of water of depression our solutions are written by Chegg experts so you can be assured of seafloor... Time period do we currently live in cone of depression our solutions are written by Chegg so... From the land surface into the groundwater reservoir solutions are written by Chegg experts so you can assured! These, which of the effective porosity when their volume makes up a significant portion of the following environments likely... Title GLY 1010 ; Type, pressure always _________ with increasing altitude very low porosity, distinguish. Igneous porosity determines the amount of water this process ) rain drops from via the process of a... Is found in two zones: the Surulere case study of evaporation a dissolved acidic...