差分

ナビゲーションに移動 検索に移動
*Land use change
*Intense rainfall by oceanic environmental changes
 
==Air pollution==
===Classification of air pollutants===
{|class="wikitable"
|-
!Primary
!Secondary
|-
|
*Carbon compounds
**CO, CO<sub>2</sub>, CH<sub>4</sub>, VOCs
*Nitrogen compounds
**NO, N<sub>2</sub>O, NH<sub>3</sub>
*Particulate matter
**PM2.5
|
*(NO→) NO<sub>2</sub>, HNO<sub>3</sub>
*(VOCs→) O<sub>3</sub>
*(gaseous pollutants→) Sufate, nitrates, organic aerosols
|}
 
{|class="wikitable"
|-
!Natural source
!Anthropogenic source
|-
|
*Wind blown dust, desert dust
*Pollen, aero-allergens
*Smoke, fly ash, gases from forest fires
*Volcanic ash and gases
|
*Industry
*Transportation system
*Consumer and commercial product
*Commercial and residential heating
*Agriculture, livestock
|}

案内メニュー