4 forest fires

Question 1

what is fire?

Answer 1

-fire is an earth system that has operated for millions of years
-dynamic ecological force
-pyromes
-worldwide issue

Question 2

what are the roles of fire?

Answer 2

-vegetation as a driver of fire regimes
-the role of climate and climate-fuel interactions
-humans contribute to and are affected by changing fire regimes

Question 3

forest fire emissions include:

Answer 3

-particulate matter (PM)
-carbon monoxide
-atmospheric mercury
-ozone-forming chemicals
-volatile organic compounds
-PAHs

Question 4

what is the nucleation process of particulate matter?

Answer 4

-homogenous
-heterogenous

Question 5

how do PMs travel?

Answer 5

travelling over the environment
-the PMs acts as vehicles for the atmospheric transport of various toxic substances
-transport of PM is a significant environmental issue

Question 6

what are the types of particulate matter?

Answer 6

-course (PM10)
-fine (PM2.5)

Question 7

what do we know about PM and human health?

Answer 7

morbidity and mortality
-just respiratory effects?

Question 8

what is important to investigate?

Answer 8

mechanisms

Question 9

what are the differences in exposure mechanisms?

Answer 9

Question 10

Answer 10

Question 11

what are found in particulate matter?

Answer 11

-metals
-PAHs

Question 12

what are PAHs?

Answer 12

-ubiquitous compounds
-aromatic rings
-well-known toxic effects on biota and humankind
-travelling contaminants

Question 13