Water Resource Evaluation Flashcards

1
Q

key components for water resource evaluation

A

P = ET + R + ΔS

P- precipitation
ET - evapotranspiration
R - Runoff
S - storage /change in storage

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2
Q

equipment for precipitation measurement

A

rain gauge

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3
Q

equipment for evapotranspiration measurement

A

lysimeter

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4
Q

______ determine storage

A

watershed area ; groundwater basin volume

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5
Q

water in the atmosphere returning to earth as liquid or solid

A

precipitation

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6
Q

most precipitation is a result of ________ over oceans

A

evapotranspiration

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7
Q

t or f: precipitation ahs extreme variability around the world

A

t

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8
Q

process converting water to water vapor

A

evapotranspiration

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9
Q

evaporation from soil surface and transpiration from plants

A

evapotranspiration

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10
Q

water flowing across land surface as streams, rivers, and drains after rain storm or melting snow

A

runoff

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11
Q

water flowing beneath land surface through sediments and rocks

A

subsurface (groundwater) runoff

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12
Q

t or f: runoff constitute both surface and ground waters

A

t

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13
Q

water collected in naturally occurring or man-made bodies along hydrologic cycle

A

water storage

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14
Q

storage bodies include:

A

lakes, reservoirs, wetlands, aquifers, ice caps

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15
Q

measurement approach for changes in surface water storage

A

stage

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16
Q

measurement approach for changes in groundwater storage

A

observation wells

17
Q

measurement approach for stream discharge

A

sharp crested weir

18
Q

measurement approach for evapotranspiration

A

evaporation pan

19
Q

how many classes does groundwater resource and vulnerability assessment in the Ph have?

A

7 classes

20
Q

4 different arrays for georesistivity survey

A
  1. Wenner array
  2. Schlumberger array
  3. Pole-pole array
  4. pole-dipole array
21
Q

arrays used in flat areas

A

wenner
schlumberger

22
Q

array used in topographic areas

A

pole-pole
pole-dipole

23
Q

the relative ease by which a contaminant located at or near the land surface can migrate to the aquifer

A

groundwater vulnerability

24
Q

this assess aquifer sensitivity based on seven independent parameters that form its acronym

A

DRASTIC methos

25
Q

DRASTIC stands for?

A

Depth of water
net Recharge
Aquifer media
Soil media
Topography
Influence of vadose zone
hydraulic Conductivity