Citation:

Harvey, J., B. Rashleigh, AND R. Bingner. Hypoxia, Excess Nutrients, and Harmful Algal Blooms. Chapter 2.1, Integrated Hydro-Terrestrial Modeling: Development of a National Capability. National Science Foundation, Arlington, VA, , 9-16, (2020). https://doi.org/10.25584/09102020/1659275

Impact/Purpose:

Successful integrated hydro-terrestrial models should be capable of identifying the effectiveness of specific management actions, field-scale best management practices, economic incentives, and related opportunities that can help mitigate the undesirable outcomes. Model outcomes can, for example, provide guidance to water resource planners charged with prioritizing best management practices that may affect water resources for decades to come. This chapter on hypoxia, excess nutrients, and harmful algal blooms contributes to these goals.

Description:

Undesirable algal blooms and hypoxia are growing hazards to water resources and society. Integrated modeling of HABs, hypoxia, and nutrient loading is a significant challenge; the path forward makes use of a new generation of models. An improved near-term forecasting capability would serve a need for operational forecasts of evolving surface water quality over periods of days to months. Integrated models are especially needed to identify, feedbacks, couplings, and non-linear behaviors. Increasing cooperation among agencies and coordination with academic communities will be essential to achieve the necessary concentration of resources to predict sources and variability of nutrient inputs and to develop actionable outcomes that can help stakeholders with the informed decision making across space and time that can effectively reduce hypoxia and HABs impacts.

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