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Hydrological and biogeochemical impacts of land use change in a suburbanizing watershed

PowerPoint Presentation

Grand Challenge: Understanding Coupled Human-Natural Ecosystems

Societal Factors Affecting Coastal Zone

Population Increase in Coastal Areas

Land Use Change

Plum Island Ecosystem as case study: understanding human impacts on the coastal zone

Plum Island Ecosystem (PIE)

PIE - Major Questions

What are the impacts?

How has the water cycle changed over time?

How has sediment delivery changed over time?

How have nutrients loads changed?

Slide 15

Role of imperviousness in watershed nitrogen (N) retention

Role of Aquatic System in Moderating Increased Loading

Predicting Future Land Use

Future urbanization 1991-2101

Impact of Future Land use on NO3 concentrations

Slide 21

Slide 22

Need for Regionalization

Conclusions

EXTRAS

Need for Synthesis

multiple jurisdictions

Author: W. Wollheim

E-mail: wollheim@eos-f.sr.unh.edu

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