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S2 Geography > TB Parts 1-2 > Flashcards

TB Parts 1-2 Flashcards

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1
Q

Define natural hazards

A

Natural events that cause harm and loss to humans

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2
Q

Define natural disasters

A

Natural hazards that cause a GREAT loss of life and SEVERE property damage

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3
Q

Name geological hazards

A

Volcanic eruption, earthquake, and landslide

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4
Q

Cause of geological hazards

A

Geological process and earth movement

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5
Q

Name meteorological hazards

A

Drought, flood, typhoon

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6
Q

Cause of meteorological hazards

A

Extreme weather or climate

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7
Q

Name biological hazards

A

Pest

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8
Q

Cause of biological hazards

A

Living organisms

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9
Q

Define relief

A

Shape of land: height and steepness

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10
Q

Ways of showing relief of place on map

A

Colouring: highland in brown and lowland in green
Contouring: using contour lines to join places of same height
Conventional signs: trigonometric stations and spot heights

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11
Q

What does a cross section show

A

Shape and height of land

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12
Q

Vertical exaggeration formula

A

Vertical scale (cross section) / Horizontal scale (map)

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13
Q

Reminders for drawing cross section

A

Add unit (m)
Draw destination names
Pay attention to ups and downs of places with same height
Write TIMES for vertical exaggeration calculation

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14
Q

Define slope

A

An inclined ground surface

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15
Q

How to tell if a slope is steep

A

Calculate slope gradient / wide apart contour lines: gentle, close together: steep

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16
Q

Gradient formula

A

Ratio of vertical distance : horizontal distance (larger the ratio, steeper the slope)

17
Q

Close wide contours

A

Concave slope

18
Q

Wide close contours

A

Convex slope

19
Q

Contours bending towards higher ground

A

Valley

20
Q

Contours bending towards lower ground

A

Spur

21
Q

Contours very closely packed

A

Cliff

22
Q

Visualise plateau and basin cross section + contour

A
23
Q

Visualise ridge and saddles cross section + contour

A
24
Q

Highest peak and its location

A

Tai Mo Shan, near NT

25
Q

Second highest peak and its location

A

Lantau Peak, Lantau Island

26
Q

Location of Lion Rock

A

Near Kowloon

27
Q

Describe relief of Hong Kong

A

Hilly relief (most land >200m, Tai Mo Shan 957m)
Few natural lowland areas (river valleys + coastal plains, Yuen Long Plain as the largest lowland)
Reclamation (both sides of Victoria Harbour and some new towns like Sha Tin and Tseung Kwan O)
Long and irregular coastlines -> many bays
Plenty offshore islands

S2 Geography (1 decks)

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