Global Systems + Solar Energy Flashcards

1
Q

thin layer of land, water, and air

all life on earth exists here

A

biosphere

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2
Q

three main components of biosphere

A
  1. atmosphere
  2. lithosphere
  3. hydrosphere
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3
Q

gaseous portion of biosphere
mostly nitrogen and oxygen
contains other suspended particulate

A

atmosphere

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4
Q

nitrogen is for …

A

plants

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5
Q

oxygen is needed by … and supplied by …

A

animals

plants

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6
Q

1st layer of atmosphere

A

troposphere
ground-level layer
all weather phenomena occur here
15 °C

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7
Q

2nd layer of atmosphere

A

stratosphere
contins ozone gas
absorbs UV rays
-60 °C to 0 °C

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8
Q

3rd layer of atmosphere

A

mesosphere
meteors burn up here
0 °C to -100 °C

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9
Q

4th layer of atmosphere

A

thermosphere
almost a vacuum
-100 °C to 3000 °C

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10
Q

the land (crust and mantle)

A

lithosphere

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11
Q

outermost layer of geosphere

portion where humans exist

A

lithosphere

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12
Q

all water on Earth

A

hydrosphere

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13
Q

diff names for liquid and frozen water

A

hydrosphere vs cryosphere

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14
Q

do all components of the biosphere continuously interact

A

yes

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15
Q

where does the biosphere get energy from

A

the Sun through radiation

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16
Q

open system

A

matter and heat/energy escape

through boundary

17
Q

closed system

A

only heat allowed to escape

18
Q

isolated system

A

no heat or matter allowed to cross boundary

19
Q

what type of system is earth + why

A

CLOSED
solar radiation enters, radiant energy leaves
meteorites n spaceships r the exceptions

20
Q

solar energy that reachers Earth in form of light, Uv radiation + some infrared radiation

A

electromagnetic radiation

21
Q

waves from longest wavelength to shortest length

A

RMI V UXG

22
Q

shorter wavelengths vs longer wavelengths absorption place in geosphere

A

shorter - lower atmosphere by water + CO^@

longer - upper atmosphere

23
Q

energy in shorter vs longer wavelengths

A

shorter - higher

longer - lower

24
Q

how energy distributed on Earth

A

absorbed in atmosphere - 23%
reflected - 29%
absorbed at surface - 48%

25
Q

diff between incoming radiation and all outgoing radiation

A

net radiation budget

26
Q

net Rad. Budget. =

A

Incoming Rad. - Outgoing Rad.

27
Q

ability of surface to reflect energy

A

albedo

28
Q

dark vs light surfaces in terms of albedo

A

dark - low albedo

light - high albedo

29
Q

most greenhouse gases in a atmosphere r

A
CO^2
methane gas (CH^4)