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HYDROLOGY MIDTERMS

Total questions: 54

Worksheet time: 28mins

Name
Class
Date
1.

Is a scientific and technical subject concerned with the occurrence, distribution, movement, and characteristics of the earth's waters

(a)  

2.

The average time it takes a water molecule to travel through a water body. It may be calculated by dividing the volume of water by the rate of flow

(a)  

3.

. The process wherein the distribution of the water on continents, in regions, and in small catchments is constantly shifting

(a)  

4.
Is a scientific and technical subject concerned with the occurrence, distribution, movement, and characteristics of the earth's waters
a)
HYDRAULICS
b)
HYDROLOGY
c)
WATER CYCLE
d)
WATER
5.

The average time it takes a water molecule to travel through a water body. It may be calculated by dividing the volume of water by the rate of flow

(a)  

6.
The process wherein the distribution of the water on continents, in regions, and in small catchments is constantly shifting
a)
WATER BALANCE
b)
BALANCE WATER
c)
WATER CYCLE
d)
HYDROLOGY
7.

Is a patch of land where rain or snow melt flows downhill into a body of water such as a river, lake, reservoir, estuary, wetland, sea, or ocean

(a)  

8.
percentage of the earth's water that is in the oceans and is salt water
a)
0.975
b)
0.965
c)
0.95
d)
0.987
9.
Fresh water percentage, which is only a minor part of total water and is primarily kept in ice
a)
0.015
b)
0.02
c)
0.03
d)
0.025
10.

Is a component of the atmosphere's water and is formed from water vapor

(a)  

11.

Is the hydrological cycle's driving force

(a)  

12.

Falling masses due to gravitational, buoyancy, and air resistance effects

(a)  

13.

The sun's inconsistent heating of the earth's surface causes low and high pressure areas, and air masses travel from high to low pressure zones

(a)  

14.

At equilibrium, it is proportional to the square of rain drop diameter

(a)  

15.

Natural obstacles, such as mountain ranges, force air to rise

(a)  

16.

.Is used to determine the areal variability of rain and snow. Rainfall data is often expressed as millimeters per hour, millimeters per day, and etc.

(a)  

17.

Heat from the earth expands and absorbs additional moisture. Warm, moist air rises and condenses owing to the lower temperature, resulting in precipitation

(a)  

18.

Is often used to assess the accuracy of a given rain gauge's data

(a)  

19.

Considers that rainfall is the same at every place in a catchment as it is at the next rain gauge, hence the depth recorded at a specific gauge is applied out to a distance halfway to the next gauge in any direction

(a)  

20.

May be used to construct best estimates as well as error bands that reflect the amount of the possible prediction error

(a)  

21.

This is an easy approach that may be utilized when the gauges are evenly placed

(a)  

22.

This approach employs isohyets created by interpolating contour lines between neighboring rain gauges

(a)  

23.

It depicts the continual movement of water on, above, and below the earth's surface

(a)  

24.

The passage of water through the soil, when the water percolates further into the soil, it reaches ground water, which is water beneath the surface

(a)  

25.

Water discharged from clouds in the form of rain, freezing rain, sleet, snow, or hail. It is the major link in the water cycle that allows atmospheric water to be delivered to the Earth

(a)  

26.

The process through which water turns from a liquid to a gas or vapor. It is the fundamental mechanism by which water flows from the liquid to the water cycle as atmospheric water vapor

(a)  

27.

the flow of water that occurs on the ground surface when overflow precipitation, stormwater, meltwater, or other sources can no longer permeate the soil quickly enough

(a)  

28.

. Is the transformation of water vapor in the air into liquid water. It is crucial to the water cycle because it is responsible for the formation of clouds

(a)  

29.

Responsible for changing the temperature of liquid water

(a)  

30.

It denote the inflow-outflow water connection. These are a word that is commonly used in groundwater research

(a)  

31.

The vaporisation of liquid water is referred to as (a)   . It is a necessary component of the water cycle.

32.

Used to convert liquid water to water vapour. It tends to vary somewhat depending on the temperature.

(a)  

33.

. Is the result of evaporation from the soil surface combined with transpiration from plants.

(a)  

34.

It is used to store water during observations to determine the amount of evaporation at a certain area. These are often mechanized with water level sensors, and a tiny weather station is adjacent

(a)  

35.

Is a measuring instrument that may be used to calculate the quantity of evapotranspiration emitted by plants, often crops or trees

(a)  

36.

. Is the contribution of water vapour to the partial pressure

(a)  

37.

This is a popular approach for measuring and calculating vertical turbulent fluxes inside atmospheric boundary layers. It is a statistical approach for calculating evaporation or evapotranspiration using high-frequency wind and scalar atmospheric data series

(a)  

38.

Radiation is partially reflected and partially absorbed when it touches a surface. The reflected fraction is referred to as (a)   .

39.

The liquid water volume in the soil

(a)  

40.

It is located between the land's surface and the water table. It is also called as the Unsaturated Zone

(a)  

41.

Is a device that measures the rate at which water infiltrates soil or other porous medium. Single ring and double ring are the most often used

(a)  

42.

Is the process through which water penetrates the soil from the ground surface

(a)  

43.

Refers to the maximum rate at which water may penetrate the soil

(a)  

44.

The entire amount of open space in which groundwater can exist. It determines how much water a rock or sediment can hold

(a)  

45.

This is the quantity of rain required to return the soil to 'field capacity'

(a)  

46.

. It is the quantity of soil liquid moisture retained in the soil after excess water has been drained away, and it is used to calculate soil water-holding capacity

(a)  

47.

water holding capacity

(a)  

48.

Factors affecting infiltration: Hills enhance runoff velocity

(a)  

49.

. Factors affecting infiltration: Clay absorbs less water at a slower rate than sand

(a)  

50.

Factors affecting infiltration: Based on the magnitude, intensity, and duration of rainfall

(a)  

51.

Factors affecting infiltration: Higher saturation leads to more runoff instead

(a)  

52.

Factors affecting infiltration: Affects surface entry of water

(a)  

53.

Used for infiltration measurements with no soil disturbance and a close match to the genuine rainfall impact, but at a great cost

(a)  

54.

Is commonly described as the volume of voids divided by the total volume of soil solid

(a)