Effects of Urbanization on the Water Resources of Atlanta - PowerPoint PPT Presentation

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Effects of Urbanization on the Water Resources of Atlanta. Kate Marney. Outline. Background Objectives Methods Results Conclusions. Background. Atlanta Capital of Georgia “Poster Child for Sprawl” 25% growth since 2006. Atlanta. Atlanta. Georgia. Georgia. Objective.

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Effects of Urbanization on the Water Resources of Atlanta

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Effects of urbanization on the water resources of atlanta

Effects of Urbanization on the Water Resources of Atlanta

Kate Marney


Outline

Outline

  • Background

  • Objectives

  • Methods

  • Results

  • Conclusions


Background

Background

  • Atlanta

    • Capital of Georgia

    • “Poster Child for Sprawl”

    • 25% growth since 2006

Atlanta

Atlanta

Georgia

Georgia


Objective

Objective

  • Understand some of the effects of urban sprawl

  • Correlate urbanization with:

    • Streamflow

    • Water temperature

    • Contaminant levels

Photo: Atlanta Skyline, Wikipedia.org

Photo: Chattahoochee River in Atlanta (alternate title: Chattaewwchee), Georgia.org


Arcmap data

ArcMap Data


Streamflow analysis

Streamflow Analysis

  • Peak flow data from USGS

  • Graph results

    • 5 sites out of 20 increasing

    • 5 show evidence of channelization or regulation


Streamflow results

Streamflow Results


Temperature analysis

Temperature Analysis

  • US EPS STORET Data

  • 89 Locations in Metro Area


Temperature results

Temperature Results

Lowest Average (9.49)

Lowest Max Temp (11.8)

Highest Average (19.41)

Highest Max Temp (31)


Temperature results1

Temperature Results


Contaminant levels

Contaminant Levels

  • Nitrogen, Phosphorus, Bacteria

  • Data not readily available for long time periods

  • Data Sources:


Contaminant results

Contaminant Results


Conclusions

Conclusions

  • Urbanization has a marked, detrimental effect on water resources

  • Streamflow, temperature, and contaminant levels are likely to increase as urbanization occurs

  • Understanding the effects and their magnitudes can aid in mitigation efforts


Questions

Questions


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