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Three year average ozone concentrations within the central Arizona-Phoenix area, period 2003 to 2005

Publication date: 2007

Author(s):

  • Alexander Buyantuyev, Global Institute of Sustainability

Abstract:

These data is part of the effort to provide the most detailed data on air quality in CAPLTER. This dataset represents spatially interpolated ozone (O3) levels as measured by monitroring stations of the Maricopa County Air Quality Department. O3 is a naturally occurring compound in which three oxygen atoms combine together. This is an unstable combination, and ozone is continually going through a natural cycle of being formed and then converting back to the more stable 'normal' double oxygen compound (O2). The cycle occurs fairly rapidly. In the stratosphere (6 miles and more above the earth), naturally occurring ozone has a beneficial effect of screening out harmful ultraviolet light from the sun. However, ground-level ozone is a pollutant and is a major component of the brown haze that is often observed in the Maricopa County valley. Ozone is not directly emitted into the air, but rather forms in a complex reaction that involves heat, sunlight, and a 'soup' of toxic pollutants, especially volatile organic compounds (VOCs). Some of the most common sources of VOCs are gasoline vapors, chemical solvents, and combustion products of fuels and consumer products. Ozone is created by sunlight acting on nitrates (NOX) and VOCs from motor vehicles and stationary sources, and can be carried hundreds of miles from their origins. Ozone affects the respiratory system in people and animals, and also affects the growth of plants.


Keywords:


Temporal Coverage:

2003-01-01 to 2005-12-31

Geographic Coverage:

Geographic Description: Central Arizona Phoenix
Bounding Coordinates:
Longitude:-112.860109 to -111.487525
Latitude:33.894016 to 33.010982

Contact:

Information Manager, 
Global Institute of Sustainability,Arizona State University,POB 875402,TEMPE
 caplter.data@asu.edu

Methods used in producing this dataset: Show


Data Files (4) :

Raster: Ozone concentrations in 2003
Download

Description: Band 1 of 3, that builds the average ozone concentration for 2003 to 2005. This dataset represents spatially interpolated ozone (O3) levels as measured by monitroring stations of the Maricopa County Air Quality Department for 2003.
Temporal Coverage: 2003-01-01 to 2003-12-31
Horizontal Coordinate System:WGS_1984_UTM_Zone_12N
Rows:386
Columns:506

Column Description Type Units
Value Ozone levels 8 hour average of the 4th high (parts per million)
 Integer number

Raster: Ozone concentrations in 2004
Download

Description: Band 2 of 3, that builds the average ozone concentration for 2003 to 2005. This dataset represents spatially interpolated ozone (O3) levels as measured by monitroring stations of the Maricopa County Air Quality Department for 2004.
Temporal Coverage: 2004-01-01 to 2004-12-31
Horizontal Coordinate System:WGS_1984_UTM_Zone_12N
Rows:386
Columns:506

Column Description Type Units
Value Ozone levels 8 hour average of the 4th high (parts per million)
 Integer number

Raster: Ozone concentrations in 2005
Download

Description: Band 1 of 3, that builds the average ozone concentration for 2003 to 2005. This dataset represents spatially interpolated ozone (O3) levels as measured by monitroring stations of the Maricopa County Air Quality Department for 2005.
Temporal Coverage: 2005-01-01 to 2005-12-31
Horizontal Coordinate System:WGS_1984_UTM_Zone_12N
Rows:386
Columns:506

Column Description Type Units
Value Ozone levels (parts per million)
 Integer number

Raster: Ozone concentration average for 2003 to 2005
Download

Description: Average ozone concentration from 3 bands from 2003 to 2005. This dataset represents spatially interpolated ozone (O3) levels as measured by monitroring stations of the Maricopa County Air Quality Department from 2003 to 2005.
Temporal Coverage: 2003-01-01 to 2005-12-31
Horizontal Coordinate System:WGS_1984_UTM_Zone_12N
Rows:386
Columns:506

Column Description Type Units
Value Ozone levels 8 hour average of the 4th high (parts per million)
 Integer number

Download EML Metadata for this data package