SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
|
Email
Search
Test your basic knowledge |
Global Warming
Start Test
Study First
Subjects
:
literacy
,
science
Instructions:
Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Unfrozen ground that is found within a mass of permafrost
Closed talik
Ozone Hole
Amount of light actually reaching the Earth
Absolute thresholds
2. Amount of light absorbed by surface
50%
Some regions of the Earth have warmed faster than other regions.
Ice Sheets
Through talik
3. US is responsible for ___ of the total CO2
30%
Thermohaline Circulatoin
Meteorological Drought
El Nio is in the coasts of...
4. Long time series started in the '70s and yielding good data in the '90s - Detects elevation with high accuracy: 10 cm precision (laser) to 1 m (radar) - 2/3 Gravity Surveys (GRACE) - Weighing the total mass every 30 days - Direct monthly estimate
Altimetry Pros
Grounding Lines
Sea ice melt does not change sea level
Discontinuous Permafrosrt
5. Antarctica - stratosphere - Sep-Oct
Ozone Hole
Surface Mass Balance
Atmospheric Composition?
Ice Sheets
6. The heat input is either driven by the 1- thermohaline circulation associated with sea ice formation. The direct influx of intermediate warmth water.
IN the last 2 decades what we've seen
Heat Source and Pressure
Permafrost Degradation
What happens with the Ozone Hole
7. How much is the planet really warming?
Troposphere
.7O Celsius over the past century.
Radiative Forcing
Sea ice melt does not change sea level
8. Due to a set of mutually reinforcing processes - climate change appears to be progressing in the arctic more quickly than in any other region on Earth.
Albedo
70%
Severe coastal erosion
Climate Change in the Arctic
9. Sea ice extent in Antarctica is rapidly reducing. Seasonal variability. People - Animals and Ice
Inversion Layer Summer
IPCC
Greenland
Sea Ice Extent is Changing in Antarctica as well
10. The high pressure decreases the melting point and favors melting - Melt water being less dense rises along the water column along the ice shelf bottom and may either escape the cavity or refreeze at some intermediate depth. Melting point decreases:
Albedo
Thermohaline Circulation
The Ozone Hole
Methane
11. Slow steady decline of about 4% per decade in the total volume of Earth's stratospheric ozone.
Ozone Hole
Ice-Albedo
75-OC
Thermohaline Circulation
12. Industry 40% - Buildings 31% - Transportations 22% - Agriculture 4%
Archimedes' Principle
Contributions to CO2 from different activities
Air pollution
Ice Sheets
13. The buoyant force is equal to the weight of the displaced water.
Warning
: Invalid argument supplied for foreach() in
/var/www/html/basicversity.com/show_quiz.php
on line
183
14. 1.4 USA - 57 m total sea level equivalent
Antarctica
Ice Motion
Accumulation
Air pollution
15. Temperature needed to melt at depth is much lower than that needed to melt at the surface.
.7O Celsius over the past century.
Sea ice melt does not change sea level
Nitrous Oxide (N2O)
Depth v Surface
16. A dome shaped cover of perennial ice and snow.
Ice Cap
winter
In the stratosphere.
Stronger
17. High cloud has a _____ effect and cool cloud has a ____ effect
Thermohaline Circulation Effect
Warming; cooling
15 percent (70% is not reflected but radiated to space from clouds - atmosphere - and Earth.)
30%
18. Over the past century what has happened to the Earth's temperature?
Dynamic thinning
Ice/snow
Some regions of the Earth have warmed faster than other regions.
Sunspots
19. Nitrogen (N2 78%) and Oxygen (O2 21%) - Their linear 2 atom molecular structure
Grounding Lines
Atlantic Thermohaline Circulation
Inversion Layer (feedback)
Atmospheric Composition
20. Number of days when temperatures climb above average by a fixed amount.
Threshold departures
IN the last 2 decades what we've seen
Deep tropics between 15O N and 15 O S are quite
Atlantic Thermohaline Circulation
21. 1. Land usage changes 2. Seasonal timing 3. Rising CO2 levels may be a factor
% of Greenhouse Gases
Affect Floods and Droughts
Closed talik
Talik
22. Longwave radiation - any radiation with a long wave will heat up quickly.
The cryosphere
In the stratosphere.
Infrared radiation
Hydrological Drought
23. Like weighing oneself on the scale.
Why the Arctic climate is special
Archimedes' Principle
Time Variable Gravity
Layers of Earth
24. Number of days that land among the hottest of all days in that month's long-term record.
Percentile departures
Negative Ice-Albedo Feedback
Thermohaline Circulatoin
Ocean-Ice-Atmosphere Interaction
25. A thick - floating slab of freshwater ice extending from coast to coast.
Carbon Dioxide
Greenhouse Gases
Sublimation
Ice shelf
26. O Climate change in the Arctic is occurring now - Changes have been huge already
Today melting ice
How the cryosphere is affected by climate change
Negative Ice-Albedo Feedback
Black Carbon
27. Is not an externally imposed perturbation to the climate system.
Why Water Vapor is not a climate forcing
Radiative Forcing
Layers of Earth
GHG
28. Closed talik can develop when lakes fill in with sediment and become deposits of dead plant material (bog).
How a closed talik forms
Longwave Radiation
Stratospheric Ozone Depletion
Thermohaline Circulatoin
29. Is best viewed as a combination of...- Natural Variability - Associated with atmospheric circulation patterns - Growing Radiative Forcing - Associated with rising concentrations of atmospheric greenhouse gases - Strongly suggests a human influence.
Ice loss
Ice Sheets
Some regions of the Earth have warmed faster than other regions.
Effect of Deforestation on CO-2
30. South polar vortex - Temperatures drop below 80O Celsius in the lower stratosphere - At these temperatures the chemicals in the stratosphere freeze and form Polar Stratospheric Clouds (PSCS) - These increase the concentration of CFCs in turn destroyi
Heat Source and Pressure
Infrared radiation
What happens with the Ozone Hole
Altimetry (height)
31. Prolonged period of excessively hot weather - Which may be accompanied by high humidity.
More rain means no drought
75-OC
Heat wave
doubles
32. A process whereby slabs of ice at the glacier margin mechanically fracture and detach from the main ice mass -
Threshold departures
Thickness of the active layer and the permafrost depend on this
Atmospheric Composition
Calving
33. The land-surface configuration that results from the melting of ground ice in a region where permafrost degrades is called Thermokarst.
Sunspots
Archimedes' Principle
Thermokarst
El Nio is in the coasts of...
34. Absolute thresholds - Monthly maximums and minimums - Threshold departures - Percentile departure - Atmospheric Water Vapor: More water vapor in the air - warmer nights!
Earth's tilt
Stronger
Dry
How to define a heatwave
35. 85%
Inversion Layer Winter
How talik forms under lakes
Some parts of the planet are dry because of their location
Sea-Ice Albedo
36. Greenhouse gases are mixed in the ____
Why Water Vapor is not a climate forcing
Troposphere
Earth's tilt
The Ozone Hole
37. An area of unfrozen ground that is open to the ground surface but otherwise enclosed in permafrost.
Open talik
Very small portion
Climate Change in the Arctic
Changes in Arctic sea-ice Extent
38. 342 W/m squared - DWEC - These things reflect sunlight (30%): water vapor - clouds - dust particles - earth's surface
Ocean water
Average radiative flux reaching the atmosphere
70%
Arctic Atmosphere
39. Carbon dioxide - Methane - Ozone - Water Vapor - Few others - Most ___________________ are mixed in the troposphere (Except water vapor) - Water vapor is concentrated closer to the ground.
Cause of break of inversion layers or decrease in frequency
.75OC/km-1
How talik forms under lakes
Greenhouse Gases
40. 10 : 1 - grounding ; surface
Grounding v Surface Melting
Radiative Flux
Nitrous Oxide (N2O)
Ice Sheets
41. Total absorbed solar radiation
70%
Deep tropics between 15O N and 15 O S are quite
Discontinuous Permafrosrt
Infrared radiation
42. The Earth emits this.
Longwave Radiation
Discontinuous
Importance of ice sheets
Ice in the Arctic
43. Water vapor means more water up in the clouds and less in the ground!
Cause of break of inversion layers or decrease in frequency
Thermokarst Lake
More rain means no drought
Ocean water
44. What can cause a change in the Earth's climate balance?
45%
Normal condition for air
Increase in the amount of water vapor or cloud vapor - Volcanic eruptions
Grounding Lines
45. Under higher pressure the melting point decreases ____ - The pressure comes from the weight of the ice shelf.
70%
doubles
75-OC
Calving
46. Water vapor - 36-70% - carbon dioxide - 9-26% - methane - 4-9% - ozone - 3-7%
% of Greenhouse Gases
Deep tropics between 15O N and 15 O S are quite
What effects the density
Thermohaline Circulation
47. Frozen +2 years - Few centimeters to 1500 m
Permafrost
Negative Ice-Albedo Feedback
Increase in the amount of water vapor or cloud vapor - Volcanic eruptions
The cryosphere
48. High vs low
Ozone
Cloud Feedbacks
Thermokarst
Importance of ice sheets
49. Poor resolution (200-400 km) does not allow us to distinguish glaciers and basins.
Shortwave Length
Why Water Vapor is not a climate forcing
Altimetry Cons
Heat wave
50. Melting Point decreases
Deep tropics between 15O N and 15 O S are quite
Time Variable Gravity
Atmospheric Structure
.75OC/km-1