Porosity and permeability - Study guides, Revision notes & Summaries

The porosity and permeability of an aquifer define its ability to yield water to wells in productive amounts. CORRECT ANSWER-true For some wells along the coastline that are drilled into porous aquifers, pumps are turned off twice a day (during periods of high tides), since tides temporarily raise saline groundwater levels, causing saltwater intrusion into freshwater aquifers. CORRECT ANSWER-false Most wells are shallow because a significant amount of water cannot be obtained from wells wh...

ERSC 181 Week 8 Final Exam (Timed and single Access) Questions and Answers 2023. The primary basis for classifying detrital (clastic) rocks is _______, whereas the primary basis for classifying chemical rocks is ________. Question 6 2 / 2 points The Precambrian Era is the time before abundant multicellular life with hard parts evolved. This time interval represents what percentage of earth's history? Question 7 2 / 2 points Which of the following surficial processes results in the most po...

Lab-Groundwater (4.6 Quiz) Question 1 (2 points) Saved Listen Based on the information in slide #2, you see five different soil profiles. Moving from left to right, which profile would make the best aquifer? Run the animation before responding. Question 1 options: a) #1 b) #2 c) #3 d) #4 e) #5 Question 2 (2 points) Saved Listen Based on the information in slide #3, which of the following statements is accurate? Question 2 options: a) Sand has higher permeability than silt and ...

Which best explains the processes at the mid-oceanic ridge? A. Plates diverge creating new crust B. Plates converge destroying old crust C. Plates diverge destroying old crust D. Plates converge creating new crust E. Plates slide past each other destroying old crust Question 2 of 50 Refer to the image of a meandering stream shown here. At which site along the stream would stream erosion be the most active? A. D and B 2/18 2.0/ 2.0 Points 2.0/ 2.0 Points 2.0/ 2.0 Points B. A and C ...

Water comes from rain and goes to rivers and streams. Describe the location of all the earth's water List pros and cons of dams Brainpower 0:06 / 0:15 evotranspiration, condensation, precipitation, and groundwater. Describe the different processes that make up the water Describe the location of Earth's freshwater Sun Identify how the water cycle is powered Freezing and boiling Describe all the ways that water can change phases Water can be stor...

FINAL EXAM On Ground and Surface Water, Texas Ecoregions [100% PASS] /verified/ surface water *Ans* water collecting on the ground or in a stream, River ,lake, wetland or ocean fresh water *Ans* 3% ground water *Ans* water located beneath the ground surface collects? *Ans* soil pore spaces and in the fractures of rock formation porosity *Ans* when there is greater poor space high equals more water permeability *Ans* how easily water flows through floodplain *Ans* Area of land adjacen...

Chapter 14 Quiz - Groundwater Exam Test Questions 2024. An unconfined water table is the ________. - correct answer boundary between the unsaturated zone above and saturated zone below In areas with humid climate, the water table of an unconfined aquifer generally slopes downward towards stream valleys. - correct answer true In areas underlain by unconsolidated or weakly consolidated strata, lowering of the water table can cause the land to subside. - correct answer true Which of the f...

Concrete Exam 1 Latest 2024 with complete solution What is the significance of the microstructure of a material? How do you define microstructure? - Answer ️️ -· Microstructure is the type, amount, size, shape, and distribution of phases present in a solid. Microstructure of a material is significant because it is now understood that the overall properties of a material come from the microstructure. Properties of a material can be altered by changing the microstructure. Describe some ...

ecosystem services provided by soil - ANSWER - provides habitats - allows for the cycling of nutrients through terrestrial ecosystems - provides a substrate for plant growth - filters water as rainwater passes through it on its way to rivers and groundwater How does soil form? - ANSWER weathering is the primary process that forms soil - breaks down rock into smaller particles - these small particles of rock combine with decomposing organic material to form soil - As a result...

Which term is used to identify the area of land that is drained by a river system? - ANSWER-watershed Which body of water is not able to become runoff? - ANSWER-lakes & oceans What is the upper part of groundwater called? - ANSWER-water table Which type of soil can retain the greatest amount of water? (in terms of porosity) - ANSWER-high porosity The groundwater in a certain area is being pumped out to provide drinking water. What must happen for the water table to remain unchanged? ...