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Geography > Environmental Change and Management > Flashcards

Environmental Change and Management Flashcards

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1
Q

Lithosphere

A

Earth

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2
Q

Hydrosphere

A

Water

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3
Q

Biosphere

A

Life

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4
Q

Atmosphere

A

Air

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5
Q

System

A

Collection of interdependent parts enclosed within a defined boundary

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6
Q

‘Spheres’

A

Parts of earth’s system - lithosphere, biosphere, hydrosphere, atmosphere

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7
Q

Events

A

When a change occurs in more than one sphere / interactions between the spheres

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8
Q

Environmental change

A

can be grouped into 3 categories - change to land, change to atmosphere, change to water

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9
Q

Change to land

A

Land degradation - loss of productivity and decline in fertility of land

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10
Q

Change to atmosphere

A

Rising C0(2) in climate

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11
Q

Change to water

A

Water becoming polluted, ocean acidification

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12
Q

Causes to change

A

Natural - occurs over billions of year, or driven by human action

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13
Q

Ecosystem services

A

Benefits people obtain from ecosystems, even if they don’t know it - sources, sinks, service, spirituality (stewardship)

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14
Q

Sources

A

Provisioning services - Natural product we can use e.g. coal for fuel, timber for building

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15
Q

Sinks

A

Regulating services - Processes that absorb our waste e.g. microorganisms, ocean, bacteria, phytoplankton

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16
Q

Service

A

Supporting services - Things done by nature that don’t have a consumable product e.g. wetlands that filter and slow floodwater, forests that turn C0(2) into oxygen

17
Q

Spirituality

A

Cultural services - Personal connections humans have to the earth e.g. Indigenous connection, enjoying the scenery

18
Q

Stewardship

A

Our role to take care and sustain these services

19
Q

Worldview

A

Set of beliefs about what is real, what is valuable and what it
means to be a human being

20
Q

Weather

A

Atmospheric conditions occurring locally over short periods of time

21
Q

Climate

A

Long term (>30 years) regional or global average temperature, humidity and rainfall patterns over seasons, years or decades

22
Q

Global Warming

A

Long term heating of earth’s surface due to human activities

23
Q

Climate change

A

long term change of average weather patterns and climates

24
Q

Egocentric

A

Self centered - I am the most important creature on earth. Everything supports me and my lifestyle.

25
Q

Anthropocentric

A

Human centered - Humans are the most important creatures and are in charge of earth and nature. Nature supports us and our lifestyle.

26
Q

Ecocentric

A

Stewardship - We have an ethical responsibility to minimize our impact on earth and preserve biodiversity. We are no more important than any other organism.

27
Q

Biocentric

A

Earth centered - We have an ethical responsibility to use earth’s resources in a sustainable way. Other species are useful, but also have a right to exist as much as we do.

28
Q

Land degradation

A

Loss of productivity and decline of fertility of land

29
Q

Ecological footprint

A

Way of measuring demand for ecological services. Considers the regenerative capacity and productivity of carbon, forests, cropland, grazing land, fishing grounds and built up land. Gives it a number, and is measured in hectares.

30
Q

World overshoot day

A

When a country’s ecological footprint exceeds its biocapactiy.

31
Q

3 pillars for sustainable development

A

Economic growth, environmental protection and social equity

32
Q

Economic growth

A

Promotion of economic development to improve the standard of living of humans, particularly in relation to poverty, without degrading natural resources

33
Q

Environmental protection

A

To protect ecological processes and ecosystems

34
Q

Social equity

A

A focus on the wellbeing of humans and raising the standard living of all people. Central to this is access to resources.

35
Q

Climate vs weather

A

Climate is what you expect, and weather is what you get eg. Darwin has a hot climate, Hobart has a cool climate. There can still be a day where it is hotter in Hobart that Darwin.

36
Q

What makes climate?

A

The ocean and the sun

37
Q

What makes climate - the ocean

A

Water absorbs the sun’s heath. The ocean currents go around the world in the Great Ocean Conveyor Belt in 2 parts - the Gulf Stream and the Humboldt Current.(

38
Q
A

Geography (1 decks)

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