Advertisement Upgrade to remove ads

air pollution

nitrogen oxides

nitrogen and oxygen combined at high temperatures. Inhibits plant growth. Aggravates breathing conditions. Causes metals to corrode and textiles to fade.

nitrogen dioxide

produces photochemical smog and acid rain

nitrous oxide

traps heat, depletes ozone, and is a greenhouse gas

photochemical smog

it's a brownish- yellowish smog created by sunlight. the sunlight interacts with nitrogen oxides and hydrocarbons to produce ground level ozone. Main sources are automobile emissions, bakeries, and dry cleaners. It harms plants, eyes, and respiratory conditions.

Air pollution and health

Stops the immune system, irritates eyes, inflames respiratory tract, causes emphysema, chronic bronchitis, and lung inflammation.

AT RISK: pregnant women and children

lungs are still developing, higher metabolic rate, need more oxygen, lung disease, and pr-mature deaths

Carbon oxides

2 types: Carbon dioxide: a green house gas, linked to global climate change AND carbon monoxide: deadly because it stops red blood cells, so there is not moving oxygen.

Temperature Inversions

prevent normal air circulation, deviation from normal temperatures, results in a layer of cooler air near the ground being temporarily trapped under a warmer, upper level. Persists for hours OR days...

Sulfur Oxides

Sulfur and Oxygen combined. Includes primary and secondary pollutants. Causes acid rain. Corrodes metals and damages materials. It even damages plants and irritates respiratory tracts

Air toxins

chlorine, lead, hydrochloric acid, formaldehyde, radioactive substances. Present at low levels and cause long term health risks.

Ozone

It is essential in the stratosphere but bad in the troposphere. It is the most harmful component of smog. This kills crops and causes health problems.

Hydrocarbons

Hydrogen and Carbon; natural gas causes this to be explosive. It is colorless and odorless, a greenhouse gas. The material can range from no problems to health all the way to Cancer. It is a part of smog production.

Topography

increase likelihood of temperature inversions. Cities in valley, near coast, leeward side of the mountain.

Effects of Weather

Normal variation in daily temperatures help disperse air pollutants. As the sun increases, air near the ground is warmed. Air expands and rises higher in the atmosphere. Surrounding air moves in and prevents pollutants from reaching dangerous levels.

Effects of Air pollution

Reduces visibility, attacks and corrodes metals, reduces the productivity of crops. It is involved in: acid rain, stratospheric ozone depletion, and global climate changes.

Power plants and Fuel Combustion

particulate matter and sulfur oxides. Also involved: nitrogen oxides, hydrocarbons, and particulate matter. Top three sources: chemical, metal, and paper industries

Transportation

includes: nitrogen oxides, carbon oxides, hydrocarbons, particulate matter

Proxies

features that inderectly reflect the change of the atmosphere's temperatures
examples: lake sediments, ice pores

Cryosphere

mountain glaciers and ice sheets, and sea ice are melting. The largest glacier in the Andes is melting 100 feet per year. Permafrost is melting (the meaning for permafrost is gone)

Ways to control air pollution

modify engines, catalytic converters, low sulfur coal, electrostatic precipitators, scrubbers, smaller vehicles, car-pooling, natural gas, less energy, and alternative energy

The Ocean

sea level rose four to eight inches in one century, due to thermal expansion, due to melting ice. Absorbs 1/2 of the world's CO2. So it is more acidic, and it dissolves shells and skeletons.

Methods to study ice

time lapse cameras, boats, ice cores, lasers, time capsules, mulans, calving

Mulans

giant hole of ice

calving

liquid water on bottom of glacier, melts glacier from bottom

Changes to Organisms

Mismatched prey/predator relations, cold blooded animals are going up in body size. Some populations are expanding, life cycle changes

Phenology

The study of the relationship between climate and the timing of ecological events such as the date of arrival of migratory birds. EXAMPLES:
earlier growing season, later fall, migration off, phytoplankton bloom earlier, earlier buds, flowers and fruits (pollination)

Air pollution

Gases, liquids, or solids in the atmosphere in amounts high enough to harm things. Includes natural stuff like volcanoes and forest firs. Much of this is caused by human activities

Particulate Matter

Solids ("Dust"), Liquids ("mist"). Reduces visibility, less sunlight, corrodes metals, erodes buildings, dangerous when inhaled

Primary Pollutants

enter the atmosphere directly

Secondary Pollutants

chemicals form from other materials released

Types of Pollutants

Seven types (SHOP CANS)
Sulfur Oxides, Hydrocarbons, Ozone, Particulate Matter, Carbon Oxides, Air Toxins, Nitrogen Oxides

Harms and Make-up

forms a solid and falls on land or water, changes chemistry of atmosphere, concentrated in urban areas

Industrial Smog

Sulfur Oxides and Particulate Matter; worst in the winter when we heat our homes, not usually a problem in developed countries

temperature

the average increased by .7 degrees Celsius, Earth experienced 12/13 warmest years, the poles are warming faster; after the last ice age it took over 5000 years for the world to warm 4-7 degrees

precipitation

some areas are wetter, some dryer, high temperatures cause more evaporation, more flooding and hurricanes and droughts

Please allow access to your computer’s microphone to use Voice Recording.

Having trouble? Click here for help.

We can’t access your microphone!

Click the icon above to update your browser permissions above and try again

Example:

Reload the page to try again!

Reload

Press Cmd-0 to reset your zoom

Press Ctrl-0 to reset your zoom

It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.

Please upgrade Flash or install Chrome
to use Voice Recording.

For more help, see our troubleshooting page.

Your microphone is muted

For help fixing this issue, see this FAQ.

Star this term

You can study starred terms together

NEW! Voice Recording

Create Set