Below are some of our projects, including ongoing and completed work. Select a project by clicking a category topic or agency, to see a list of related projects.
ENVIRONMENTAL ASSESSMENT Our Environmental Assessment Projects focus on a wide range of topics, including various aspects of air, water, and soil pollution throughout the United...
ENVIRONMENTAL ASSESSMENT Our Environmental Assessment Projects focus on a wide range of topics, including various aspects of air, water, and soil pollution throughout the United...
The European VSD+PROPS model was applied to estimate changes in understory vegetation in response to changes in climate and atmospheric nitrogen deposition at three forested...
The dynamic coupled biogeochemical/ecological model chain ForSAFE-Veg was used to evaluate ecological effects of atmospheric nitrogen (N) and sulfur (S) deposition in the context of...
Increases in anthropogenic emissions of sulfur (S) and nitrogen (N) have resulted in increases in the associated atmospheric deposition of acidic compounds.
This project applies empirical and modeled critical loads (CLs) to fine-scale maps of selected national parks in the intermountain West that are considered to be...
E&S scientist Timothy Sullivan worked with scientists from the State University of New York and U.S. Geological Survey to measure how the chronic acidification of...
The Appalachian National Scenic Trail (AT) is one of the longest footpaths in the world, spanning ~2,180 miles (3,500 km) from northern Georgia to central...
Hydropower field studies are crucial in describing existing conditions of a river or lake and involve a variety of data collection activities ranging from hourly...
E&S Environmental ran solar radiation models for determining the effects of topographic and vegetative shading on stream temperature and habitat potential for steelhead trout and...
E&S Environmental conducts watershed assessments and analyses following both state and federal guidelines. E&S has produced numerous watershed assessments for watershed councils following Oregon Watershed...
Minimally disturbed lakes were determined from available GIS data (e.g. land use, roads, aerial photography) for comparative use in EPA's national survey of lake health....
E&S Environmental Chemistry, Inc. was contracted by the U.S. EPA to draft a synthesis report on ecological effects of atmospheric deposition of oxides of sulfur...
This research represents a multi-disciplinary and multi-institutional effort to extrapolate research, monitoring, and modeling results, including physical, chemical, and biological findings from intensively-studied lakes to...
E&S Environmental Chemistry is collaborating with scientists from the U.S. Geological Survey and U.S. Forest Service to assess the effects of acidic deposition on the...
Shenandoah National Park (SHEN) has among the most comprehensive air quality monitoring and research program of all national parks and wilderness areas that are afforded...
This project evaluates the sensitivity of all Inventory and Monitoring (I&M) national parks in the United States to potential acidification effects caused by atmospheric sulfur...
This project evaluates the sensitivity of all Inventory and Monitoring (I&M) national parks in the United States to potential nutrient enrichment effects caused by atmospheric...
E&S Environmental Chemistry was contracted to write national protocols for the U.S. Forest Service for the sampling and analysis of lakes and streams throughout the...
The ForSAFE-VEG model was applied to estimate changes in soil chemistry and ground vegetation of a generalized plant community in the alpine and subalpine zones...
E&S Environmental Chemistry, Inc., working together with the U.S. Environmental Protection Agency (EPA) and under the direction of the USDA Forest Service (USFS), is assisting...
Shenandoah National Park, located in the Blue Ridge Mountains in Virginia, contains exceptional natural features and awe-inspiring views from Skyline Drive and the Appalachian Trail.
E&S Environmental Chemistry wrote and designed this pamphlet for the National Park Service to help interested stakeholders understand the effects of air pollution on the...
Land management and natural resource public policy decision-making in the United States increasingly relies on two resource damage/recovery paradigms: ecosystem service (ES) and critical load...
Most efforts to quantify aquatic and terrestrial ecosystem damage from sulfur (S) and nitrogen (N) air pollution in the Adirondack Mountains and to examine more...
The critical load (CL) is the level of sustained atmospheric deposition of S, N, or acidity below which significant harm to sensitive ecosystems does not...
The U.S. Forest Service is concerned about the current and future health of terrestrial and aquatic resources within the Blue Ridge Province of the Southern...
This project synthesizes available inventories and published findings regarding air quality related values (AQRVs) sensitive to effects caused by atmospheric deposition of nitrogen, sulfur, and...
