El Nino
What changes in the wind pattern?
The trade winds reverse.
What is the source of Nitrogen Dioxide?
Combustion and transportation
This layer is closest to the Earth
Tropshere
Upwelling is related to...
Upwelling
Which way does a land breeze blow?
From the land to the sea
El Nino occurs in which ocean?
Pacific Ocean.
Health effects of lead?
Neurological conditions.
This layer absorbs UV B and some UV A rays
Stratosphere (ozone layer)
The atmospheric circulation cells nearest the equator, air rises near the equator and falls
Hadley cells
In the US, which way do jet streams flow?
West to east
Conditions in the East prior to El Nino? After El Nino?
After: very rainy and no upwelling
Environmental effect of nitrogen dioxide?
Smog, tropospheric ozone, acid rain
Cooling
The surface winds within the Hadley Cells that blow from the east.
Trade winds
Which two layers are jet streams between?
Troposphere and Stratosphere
How often does El Nino occur?
Every 3-8 years.
Which two pollutants reduce visibility?
Sulfur dioxide and particulate matter
What are the layers of the atmosphere (bottom to top)?
troposphere, stratosphere, mesosphere, thermosphere, exopshere
Equatorial low-pressure area where tropical air comes together and rises....
ITCZ
In high pressure systems, which direction do winds blow
clockwise
Impacts on the United States?
Wetter winters in the South and warmer and drier conditions in the North.
What is the source of ground-level ozone
Photochemical reactions NOx+sunlight+air
What is the hottest layer? What kind of radiation is absorbed?
Thermosphere and UV C, xrays, and gamma rays are absorbed.
The surface winds within the Polar Cells that blow from the east...
Polar Easterlies
Low pressure systems move how?
Counter clockwise