Media Library | Integration and Application Network

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Media by Brianne Walsh

This three panel triptych illustrates historical, predevelopment conditions in the North Central United States, in comparison to the current state, and future trajectory of land and water use. Historically, the region adapted and rebounded from droughts, however, with human use and climate change, the resilience of the North Central United States against drought is reaching an unknown state. — Historical, predevelopment conditions in the…

The landscapes of the Northeast and Midwest depend on abundant and relatively predictable seasonal water regimes. Human uses of water compete with environmental flows for aquatic species, especially during drought periods. Climate change is predicted to increase temperatures and precipitation variability in the Northeast United States, causing shifts in seasonality. — Potential shifts in seasonality in the Northeast…

Conceptual diagram illustrating the changes to the Alaska boreal forest due to climate change and ecological drought. — The impacts and changes to the boreal forest due…

Conceptual diagram illustrating ecosystem characteristics along the George Washington Bridge Transect. Source: New York Harbor: Resilience in the face of four centuries of development. http://dx.doi.org/10.1016/j.rsma.2016.06.004 — George Washington Bridge Transect

Conceptual diagram illustrating ecosystem characteristics along the Midtown Manhattan Transect. Source: New York Harbor: Resilience in the face of four centuries of development. http://dx.doi.org/10.1016/j.rsma.2016.06.004 — Midtown Manhattan Transect

Conceptual diagram illustrating ecosystem characteristics along the Statue of Liberty Transect. Source: New York Harbor: Resilience in the face of four centuries of development. http://dx.doi.org/10.1016/j.rsma.2016.06.004 — Statue of Liberty Transect

Conceptual diagram illustrating ecosystem characteristics along the Verrazano Bridge Transect. Source: New York Harbor: Resilience in the face of four centuries of development. http://dx.doi.org/10.1016/j.rsma.2016.06.004 — Verrazano Bridge Transect

In the section of the river above the dam builds up with sediment, making the dam shallower. High water flow causes scouring and the transport of sediment and associated nutrients over the dam. On this other side of the dam phosphorus mobilizes in reaction with salt water. Further down the river seagrass beds grow on the Susquehanna flats. — Conowingo Dam Reservoir and Susquehanna Flats…

The timing of tropical storms and hurricanes can have major impacts on the life histories of Chesapeake Bay flora and fauna. Changes in water salinity can cause early spawning in some species, such as the blue crab, and increased sediment can cause widespread die-off of seagrasses. — Storm Timing and Impacts on Chesapeake Bay Flora…

This diagram illustrates the main threats from hurricanes and tropical storms. The counterclockwise circulation of winds in the Northern Hemisphere causes maximum winds and maximum storm surges. — Threats from Hurricanes and Tropical Storms

Emergent wetland species are planted in a buoyant matrix that floats at the water surface. The roots of these plants grow through the matrix and take up the nutrients they need to grow directly from the water, potentially decreasing nutrient concentrations. — Floating Wetlands Structure and Impact

Excess nutrients will result in increased chlorophyll and turbidity, limiting the amount of light that reaches benthic sediment. Light is essential for healthy submerged aquatic vegetation growth. — Light and Dark Conditions Impact on Submerged…

Gutters and downspouts installed onto buildings direct rainwater from roofs to rain gardens. Plants with deep root systems encourage stormwater infiltration and absorbs excess nutrient runoff. — Multiple Benefits of Rain Gardens

A diagram that details a timeline of the catalytic converter and its functions. — Catalytic Converter Diagram

Simplified conceptual diagram of the water cycle and major sources of nitrogen, phosphorus, and sediment pollution to the Chesapeake Bay. — Groundwater Diagram

Inorganic Nitrogen in Chesapeake Bay Watershed…

A diagram depicting the effect that light conditions have on SAV and the trapping of nutrients. — Nutrient Trapping Diagram

The Chesapeake Bay watershed’s population is growing quickly. The watershed is currently home to 17.5 million people, and this number is projected to reach 20 million by 2030. — Population Map Chesapeake Bay Watershed

A diagram showing best management practices required to target the numerous sources and delivery pathways of excess nutrient loads. — Targeted Practices Diagram

Populus balsamifera (Balsam poplar)

Pervious surfaces, such as modular paver blocks, allow the soil to retain stormwater. Impervious surfaces prevent the infiltration of stormwater, increasing the volume and velocity of surface runoff. — Pervious Surfaces Used to Promote Stormwater…

Streambank fencing is a best management practice that has lead to improved streambank stability, water quality, in-stream habitat, and populations of fish and benthic macroinvertebrates. — Streambank Fencing Livestock Grazing Management