Science Inventory

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An increase in the occurrence of large, high severity wildfires in the western Pacific Northwest (PNW), USA, has created an urgent need for science to better inform forest management and policy decisions to maintain source water quality in the region. The western PNW faces simila...

This is a presentation to be given for the HABs, Hypoxia, and Nutrients Research Webinar. The presentation shows that wildfire smoke contains high amounts of nutrients compared to non-smoke days. The elevated phosphorus is particularly notable relative to non-smoke measurements. ...

Extreme precipitation events are increasingly compromising culvert infrastructure on forest roads, making it more vulnerable to floods, erosion, and post-wildfire debris flows. We developed the Climate and Upland Loading Vulnerability Evaluation and Risk analysis Tool (CULVERT)&m...

Area burned by wildfire has increased in the contiguous United States and in many places globally in recent years, impacting communities and ecosystems nearby and even far downwind of fires. We examined the potential effects of smoke on surface chlorophyll-a concentrations in lak...

Prescribed fire has emerged as an essential ecosystem management practice for maintaining forest health and mitigating wildfire risks. However, its spatio-temporal patterns and potential impacts on water quantity and quality remain poorly understood compared to those of wildfires...

An increase in the occurrence of large, high severity wildfires in the western Pacific Northwest (PNW), USA, has created an urgent need for science to better inform forest management and policy decisions to maintain source water quality in the region. The western PNW faces simila...

The Southern Appalachian Mountains experienced several significant wildfires in 2016, which caused extensive damage to the region's forests and wildlife habitats, and potentially altered hydrological processes. It has raised concerns about the resilience and long-term recovery of...

High-severity wildfires can drastically alter hillslope hydrology by removing canopy interception, inducing soil hydrophobicity, and reducing evapotranspiration, thereby amplifying storm-scale and annual streamflow in mountain watersheds. However, the 2016 Southern Appalachian wi...

The mission of EPA is to protect human health and the environment. From its inception, EPA’s Office of Research and Development (EPA-ORD) has exemplified the principles of One Health, recognizing the interdependence of the health of humans, animals, and the environment. Essential...

In 2023, Minnesota set a record for experiencing the highest number of air quality alerts in a season (Minnesota Pollution Control Agency). The record-setting alerts originated from smoke plumes driven by Canadian wildfire activity. This led to thousands of people being exposed t...

Precision cut lung slices (PCLS) have been widely used as a 3D organotypic lung tissue model to provide physiologically relevant responses to whole animal exposures while requiring far fewer animals. We previously assessed lung toxicity of airborne particles in both PCLS and mice...

Temporal patterns of tree mortality were determined for mature, naturally regenerated Douglas-fir-dominated (Pseudotsuga menziesii var menziesiiPseudotsuga menziesii (Mirb.) Franco) conifer stands along an elevational gradient in western Oregon, USA based on periodic mortality su...

This Wildland Fire Research Briefing Book contains EPA's completed research on the effects of wildland fire (i.e., wildfire and prescribed fire) smoke on air quality, the effects of wildland fire on water quality and ecosystems, the effect of smoke on public health, and acti...

Wildfires can have complex and varying effects on aquatic ecosystems depending on fire characteristics and the ecological context of watersheds. This variability creates challenges for predicting fire effects on species of social and conservation interest, like salmonid fishes (O...

From March to September 2023, historic Canadian wildfires repeatedly produced continental-scale smoke plumes impacting air quality over large regions of North America, including the Great Lakes. Wildfire smoke deposited on the surface waters of the Great Lakes is a potential sour...

Wildfire is a natural component of many freshwater riverine ecosystems; however, uncharacteristically frequent and severe wildfires threaten stream habitat and biota crucial to long-term ecosystem stability. The existing body of literature explores post-fire abiotic (environmenta...

Excessive nutrient loading to surface waters endangers drinking water supplies, recreation, aquatic life, and many other water quality end points. Unfortunately, concentrations of phosphorus (P) and nitrogen (N) remain high in many U.S. waterbodies and may be increasing in remote...

Area burned and wildfire emissions have increased in the United States (U.S.) and globally in recent years, impacting human health and ecosystems, including waterbodies. Almost all studies of water quality and fire have focused on the effects in burned watersheds, showing an incr...

This presentation is part of a session on Federal Climate and Health Resources to Educate, Train, and Empower Environmental Public Health Practitioners, co-organized with National Institutes of Health (NIH), Center for Disease Control (CDC) and Health and Human Services (HHS...

Wildfire activity in western US forests has increased over the last two decades, resulting in increased solids and nutrient loadings to streams, and in some cases threatening drinking water supplies. These increases are attributed to rainfall events and the distribution of water ...

This presentation provides an overview of the growing wildfire risk and shifting fire regimes in fire-adapted ecosystems. It describes the effects of wildfire on human health and on ecosystems, including water quality. It also introduces a hypothesis that in the western U.S. the ...

As wildfire regimes shift, resource managers are concerned about potential threats to aquatic ecosystems and the species they support, especially fishes. However, predicting fish responses can be challenging because wildfires affect aquatic ecosystems via a myriad of different pa...

This presentation will showcase how a federal research organization accelerated learning and adopting open and collaborative data science methodologies, including case studies demonstrating how project teams transformed their research practices in the months and years following a...

The Southern Appalachian Mountains experienced several significant wildfires in 2016, which caused extensive damage to the region's forests and wildlife habitats, and potentially altered hydrological processes. This has raised concerns about the resilience and long-term recovery ...

The outcome for this sub-product is to present the  newly developed high spatial and temporal resolution wildfire model. DHSVM- fire model considers fire as a disturbance and accounts for the effect of this disturbance on soil and vegetation, e.g., the model adjusts the soil...