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I.Open Map Data
a.Open ArcGIS
b.Open a New map
c.Open data layers
i.Adding a single layer
ii.Adding multiple layers
d.Ordering data layers
e.Adjusting colors and sizes
i.Viewing the whole map
1.Opening the tools toolbar
2.Zooming to extent
ii.Setting layer color schemes
1.Ozone Layer
2.Census Tract Layer
iii.Altering Polygon Layers
iv.Altering Transparency of a layer
f.Saving the Project
g.Saving Layers as Relative Path Names
II.Clipping unneeded Census tracts and Ozone data
a.Clipping rest of Texas outside the Ozone data area
III.Finding the 8 hour average
a.Creating new fields
b.Field Calculator Option
IV.Intersecting Layers
a.Create a BlockID Field
b.Creating an intersection between the Census Tract and Ozone Concentrations layers
c.Add a new field to the new intersected polygons in the new Intersect Layer
d.Calculate the area of the new field
e.Calculating the Ozone Contribution
f.Use the Frequency Tool
g.Add the Frequency Table to your Layers Index
h.Add an Ozone Contribution Field to the Clipped Census Tract Layer.
i.Join the Frequency Table and the Clipped Texas Tract Layer
j.Calculate Ozone Contribution
k.Remove Join
V.Determining the Census Tracts that are out of Ozone Compliance
a. Modifying the Color Scheme
b. Noting which Census Tracts are out of Compliance
VI.Calculating distributions
a.Create a statistical sum table
b.Calculate the distributions of exposure
c.Finding the person weighted average exposure of ozone
VII.Creating a Layout
a.Setting print area
b.Removing excess layers
c.Layout view
d.Page orientation
e.Setting map properties
f.Adding map features
i.Inserting a title
ii.Inserting a legend
iii.Inserting compass rose
iv.Inserting a scale bar
v.Scale text
vi.Insert a textbox
vii.Adjusting visual layout
viii.Printing
ix.Deliverables
III. Finding the 8 Hour Average
The EPA has both a hourly and an hourly limit for ozone exposure. In this step you will calculate the total ozone exposure for a ozone block, which will be later applied to calculating the census tract ozone exposure.
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