stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
GEO1211 - Quiz (Lecture 14-19) Flashcards | StudBud
Explore
/
GEO1211 - Quiz (Lecture 14-19)
GEO1211 - Quiz (Lecture 14-19)
50 terms
·
StudBud Administration
·
389 plays
A quiz on lectures 14-19
Flashcards
50 cards
F
Practice quiz
P
Host live
L
Questions
50
Answers
1
On the diagram, which is the Younger Dryas stadial?
D
B
A
C
2
In relation to the Earth's orbit around the sun, what is perihelion?
Closest point to the sun
Furthest point from the sun
3
In the diagram, which letters represent key regions associated with SAM?
A
B
D
C
4
What is dendrochronology?
The use of volcanic ash layers for dating
The use of annually banded sediments for dating
The use of glacial sediments for dating
The use of tree rings for dating
5
How thick was the British-Irish ice sheet?
1.5 km
3.2 km
2.6 km
800 m
6
What was the last glacial period known as in the UK?
Cromerian
Devensian
Anglian
Ipswichian
7
When was the Last Glacial Maximum?
11,500 - 12,500 years ago
10,000 - 15,000 years ago
120,000 - 130,000 years ago
20,000-25,000 years ago
8
In the diagram, which letters represent key regions associated with NAO?
A
D
B
C
9
Atmospheric CO
2
has now passed 400 ppm - what was it, on average, in past interglacials?
240
200
320
280
10
What is loess?
Poorly sorted, glacially-derived material
Fine-grained, wind-blown sediment
Annual banding in lake sediments
Volcanic ash
11
How old is the oldest human archaeology in South America?
8,200 years
14,500 years
Older than 60,000 years
23,000 years
12
In the diagram, which letters represent key regions associated with ITCZ?
C
B
A
D
13
What environmental variable are chironomids most often used to reconstruct?
Temperature
Cloud cover
pH
Lake level
14
Which of these is not a maritime saying, used to describe conditions in the Southern Hemisphere
Furious fifties
Screaming sixties
Roaring fourties
Serene Seventies
15
Dansgaard-Oeschger events are...
Abrupt cooling events within an interglacial
Abrupt warming events within a glacial
Ice-rafted debris events
Comet impact events
16
What is a chironomid?
A type of plankton
A non-biting midge
A single celled organism with a shell or 'test'
A type of beetle
17
When did the Pleistocene epoch end?
2.6 million years ago
Between 20,000 - 25,000 years ago
11,500 years ago
c. 1950 AD
18
Which of these is not a component of the Asian Monsoon system?
Eastern South Pacific Summer Monsoon
Indian Summer Monsoon
Western North Pacific Summer Monsoon
East Asian Summer Monsoon
19
In the diagram, which letters represent key regions associated with ENSO?
B
C
A
D
20
How many Dansgaard-Oeschger events were there during the last glacial period?
6
12
18
25
21
The Younger Dryas stadial is generally thought to have been caused by...
Comet impact
Reduced solar forcing
Glacial meltwater outburst
Increased volcanic activity
22
The Sahara was vastly more vegetated than it is today until when?
5,500 years ago
2,800 years ago
8,200 years ago
4,200 years ago
23
The Eemian is a synonym for which interglacial period?
Flandrian
Ipswichian
Sangamonian
Hoxnian
24
Who is credited with first using the phrase 'the present is the key to the past'?
David Hume
Charles Lyell
James Hutton
Louis Agassiz
25
The theory that the geologic record can be explained by continuous, consistent processes is:
Uniformitarianism
Environmental determinism
Catastrophism
Gradualism
26
The theory that the geologic record can be explained by sudden, short-lived, violent events is:
Environmental determinism
Catastrophism
Gradualism
Uniformitarianism
27
At the max. LGM extent of the British ice sheet, which modern UK city would have been covered?
Swansea
Norwich
Bristol
Oxford
28
Radiocarbon can also be written as:
14C
12C
11C
13C
29
India receives what percentage of its annual precipitation during the summer monsoon period?
100%
10%
60%
90%
30
Which two stable isotopes of oxygen can be used as a palaeo tracer of past hydrological change?
18O:16O
18O:17O
17O:16O
18O:12O
31
On the diagram, which is the Last Glacial Maximum (LGM)?
A
B
C
D
32
Currently polar ice-cores cannot be used to reconstruct
Cloud cover
Temperature
Volcanic activity
Atmospheric greenhouse gas
33
On the diagram, which is the Holocene interglacial?
B
A
D
C
34
What does LGM stand for?
Laurentide Glacial Maximum
Last Glacial Minimum
Late Glacial Maximum
Last Glacial Maximum
35
Which environmental variable have variations in testate amoebae assemblages
not
been linked to?
Peatland water table (annual water balance)
Atmospheric temperature
Peatland vegetation change
Peatland pH
36
The tephrostratigraphy in northwest Europe is dominated by which volcanic source?
Alaska, USA
Vesuvius, Italy
Cascades, USA
Iceland
37
The oxygen isotopic concentration of rainwater is most closely related to variations in:
Temperature
Wind speed
Solar energy
Wind direction
38
Which of these is not a Milankovitch cycle?
Eccentricity
Obliquity
Precession
Inclination
39
What is the current 'limit' of radiocarbon dating?
c. 20,000 years
c. 120,000 years
c. 80,000 years
c. 50,000 years
40
Records from coral reefs are used to reconstruct which important climate system variable?
Tropical sea salinity
Tropical sea pH
Tropical sea surface temperatures
Tropical precipitation
41
How did Himalayan mountain building contribute to the onset of the Quaternary?
Reduced heating of Asian plateau
Chemical weathering led to deep-sea carbon sequestration
Mountains disrupted atmospheric circulation patterns
A 'third pole' was added to the earth system
42
How old have scientists suggested that the Guliya ice core record (Tibetan Plateau) may be?
600,000 years
120,000 years
1.2 million years
800,000 years
43
During the last glacial period, there is strong evidence for glaciation in:
Hawaii
South Africa
Tasmania
Papua New Guinea
44
What did the Quaternary period begin?
5 million years ago
3.2 million years ago
2.6 million years ago
1.8 million years ago
45
Have you accesssed 'Reconstructing Past Environments' from the library website yet?
No
Yes
46
What is a speleothem?
A marine-dwelling organism
A lake-dwelling organism
A cave deposit
An extinct sabre-toothed cat
47
What was the last interglacial known as in the UK?
Ipswichian
Cromerian
Hoxnian
Flandrian
48
On the diagram, which is the Bølling-Alerød insterstadial?
A
B
D
C
49
Which of these was not a North American ice sheet?
Greenland
Laurentide
Barents
Cordilleran
50
In the last 50 years, have we seen a shift towards positive or negative Southern Annular Mode?
Negative
Positive
No change
Switches between positive and negative every c. 5 years
