Narrated presentation that provides a unique synthesis of the story of nutrient water quality in the Susquehanna watershed.
John Clune, PhD (Former Employee)
Science and Products
Complex hydrology and variability of nitrogen sources in a karst watershed Complex hydrology and variability of nitrogen sources in a karst watershed
Evaluating water-quality trends in agricultural watersheds prioritized for management-practice implementation Evaluating water-quality trends in agricultural watersheds prioritized for management-practice implementation
Legacy sediment as a potential source of orthophosphate: Preliminary conceptual and geochemical models for the Susquehanna River, Chesapeake Bay watershed, USA Legacy sediment as a potential source of orthophosphate: Preliminary conceptual and geochemical models for the Susquehanna River, Chesapeake Bay watershed, USA
Your land, your water—Using research to guide conservation practices on local farms in the Chesapeake Bay watershed Your land, your water—Using research to guide conservation practices on local farms in the Chesapeake Bay watershed
Tracking status and trends in seven key indicators of stream health in the Chesapeake Bay watershed Tracking status and trends in seven key indicators of stream health in the Chesapeake Bay watershed
Nitrogen in the Chesapeake Bay watershed—A century of change, 1950–2050 Nitrogen in the Chesapeake Bay watershed—A century of change, 1950–2050
Groundwater quality in relation to drinking water health standards and geochemical characteristics for 54 domestic wells in Clinton County, Pennsylvania, 2017 Groundwater quality in relation to drinking water health standards and geochemical characteristics for 54 domestic wells in Clinton County, Pennsylvania, 2017
Drinking water health standards comparison and chemical analysis of groundwater for 72 domestic wells in Bradford County, Pennsylvania, 2016 Drinking water health standards comparison and chemical analysis of groundwater for 72 domestic wells in Bradford County, Pennsylvania, 2016
Comparison of regression relations of bankfull discharge and channel geometry for the glaciated and nonglaciated settings of Pennsylvania and southern New York Comparison of regression relations of bankfull discharge and channel geometry for the glaciated and nonglaciated settings of Pennsylvania and southern New York
Spatial and temporal variation of stream chemistry associated with contrasting geology and land-use patterns in the Chesapeake Bay watershed—Summary of results from Smith Creek, Virginia; Upper Chester River, Maryland; Conewago Creek, Pennsylvania; and Di Spatial and temporal variation of stream chemistry associated with contrasting geology and land-use patterns in the Chesapeake Bay watershed—Summary of results from Smith Creek, Virginia; Upper Chester River, Maryland; Conewago Creek, Pennsylvania; and Di
Sources of fine-grained sediment in the Linganore Creek watershed, Frederick and Carroll Counties, Maryland, 2008-10 Sources of fine-grained sediment in the Linganore Creek watershed, Frederick and Carroll Counties, Maryland, 2008-10
Residence time, chemical and isotopic analysis of nitrate in the groundwater and surface water of a small agricultural watershed in the Coastal Plain, Bucks Branch, Sussex County, Delaware Residence time, chemical and isotopic analysis of nitrate in the groundwater and surface water of a small agricultural watershed in the Coastal Plain, Bucks Branch, Sussex County, Delaware
Non-USGS Publications**
**Disclaimer: The views expressed in Non-USGS publications are those of the author and do not represent the views of the USGS, Department of the Interior, or the U.S. Government.
Pennsylvania and the Chesapeake Bay Watershed
Susquehanna River Story — What does the science say about water quality?
Susquehanna River and Basin
Water Quality Monitoring to Inform Conservation Management, Fishing Creek, Clinton County, Pennsylvania
Sediment and Stream Health - Pennsylvania
Monitoring the Effectiveness of Conservation Practices in Small Agricultural Watersheds
Summarizing Science to Inform Management in the Chesapeake Bay Watershed
Science to Inform Management Priorities from Loads to Endpoints (SIMPLE)
Sediment Response of Stream Restoration Practices, Turtle Creek, Union County, Pennsylvania
USGS Chesapeake Publication Receives National Award for Superior Communication Product
Tracking Status and Trends in Seven Key Indicators of River and Stream Condition in the Chesapeake Bay Watershed
Greatest Opportunities for Future Nitrogen Reductions to the Chesapeake Bay Watershed are in Developed and Agricultural Areas
Compilation of multi-agency water temperature observations for streams within the Chesapeake Bay watershed Compilation of multi-agency water temperature observations for streams within the Chesapeake Bay watershed
Nitrogen sources to and export from the Chesapeake Bay watershed, 1950 to 2050 Nitrogen sources to and export from the Chesapeake Bay watershed, 1950 to 2050
Compilation of data not available in the National Water Information System for domestic wells sampled by the U.S. Geological Survey in Clinton County, Pennsylvania, May-September 2017 Compilation of data not available in the National Water Information System for domestic wells sampled by the U.S. Geological Survey in Clinton County, Pennsylvania, May-September 2017
Compilation of data not available in the National Water Information System for domestic wells sampled by the U.S. Geological Survey in Bradford County, Pennsylvania, May-August 2016 Compilation of data not available in the National Water Information System for domestic wells sampled by the U.S. Geological Survey in Bradford County, Pennsylvania, May-August 2016
Elevation and Pebble Count Data for 5 New Sites in Glaciated Setting of Pennsylvania and Southern New York, 2016 Elevation and Pebble Count Data for 5 New Sites in Glaciated Setting of Pennsylvania and Southern New York, 2016

Narrated presentation that provides a unique synthesis of the story of nutrient water quality in the Susquehanna watershed.
Hammer Creek is a creek in Lebanon County, Pennsylvania. Its 13 square mile watershed has a mixture of cropland and animal-raising activities.
Hammer Creek is a creek in Lebanon County, Pennsylvania. Its 13 square mile watershed has a mixture of cropland and animal-raising activities.
Hammer Creek is a creek in Lebanon County, Pennsylvania. Its 13 square mile watershed has a mixture of cropland and animal-raising activities.
Hammer Creek is a creek in Lebanon County, Pennsylvania. Its 13 square mile watershed has a mixture of cropland and animal-raising activities.
Little Conewago Creek is a creek in Lebanon County, Pennsylvania. Its 5 square mile watershed contains a mixture of animal and crop agricultural activities.
Little Conewago Creek is a creek in Lebanon County, Pennsylvania. Its 5 square mile watershed contains a mixture of animal and crop agricultural activities.
Narrated presentation that provides a unique, long-term perspective (1950-2050) of the major drivers of nitrogen change up to the present, and forecasts how they may affect nitrogen into the future for the Chesapeake Bay watershed. Information is based off of U.S. Geological Survey Circular 1486.
Narrated presentation that provides a unique, long-term perspective (1950-2050) of the major drivers of nitrogen change up to the present, and forecasts how they may affect nitrogen into the future for the Chesapeake Bay watershed. Information is based off of U.S. Geological Survey Circular 1486.
Narrated presentation that provides a unique, long-term perspective (1950-2050) of the major drivers of nitrogen change up to the present, and forecasts how they may affect nitrogen into the future for the Chesapeake Bay watershed. Information is based off of U.S. Geological Survey Circular 1486.
Narrated presentation that provides a unique, long-term perspective (1950-2050) of the major drivers of nitrogen change up to the present, and forecasts how they may affect nitrogen into the future for the Chesapeake Bay watershed. Information is based off of U.S. Geological Survey Circular 1486.

USGS Hydrologist Hilary Dozier (formerly Abraham) measuring stream discharge during sampling, to allow calculation of loads, in Fishing Creek, Logan Township, Clinton County, Pennsylvania, just below the Logan Mills Covered Bridge (John Clune, USGS).
USGS Hydrologist Hilary Dozier (formerly Abraham) measuring stream discharge during sampling, to allow calculation of loads, in Fishing Creek, Logan Township, Clinton County, Pennsylvania, just below the Logan Mills Covered Bridge (John Clune, USGS).
Assessing stream sediment conditions in Chester County, PA Assessing stream sediment conditions in Chester County, PA
Science and Products
Complex hydrology and variability of nitrogen sources in a karst watershed Complex hydrology and variability of nitrogen sources in a karst watershed
Evaluating water-quality trends in agricultural watersheds prioritized for management-practice implementation Evaluating water-quality trends in agricultural watersheds prioritized for management-practice implementation
Legacy sediment as a potential source of orthophosphate: Preliminary conceptual and geochemical models for the Susquehanna River, Chesapeake Bay watershed, USA Legacy sediment as a potential source of orthophosphate: Preliminary conceptual and geochemical models for the Susquehanna River, Chesapeake Bay watershed, USA
Your land, your water—Using research to guide conservation practices on local farms in the Chesapeake Bay watershed Your land, your water—Using research to guide conservation practices on local farms in the Chesapeake Bay watershed
Tracking status and trends in seven key indicators of stream health in the Chesapeake Bay watershed Tracking status and trends in seven key indicators of stream health in the Chesapeake Bay watershed
Nitrogen in the Chesapeake Bay watershed—A century of change, 1950–2050 Nitrogen in the Chesapeake Bay watershed—A century of change, 1950–2050
Groundwater quality in relation to drinking water health standards and geochemical characteristics for 54 domestic wells in Clinton County, Pennsylvania, 2017 Groundwater quality in relation to drinking water health standards and geochemical characteristics for 54 domestic wells in Clinton County, Pennsylvania, 2017
Drinking water health standards comparison and chemical analysis of groundwater for 72 domestic wells in Bradford County, Pennsylvania, 2016 Drinking water health standards comparison and chemical analysis of groundwater for 72 domestic wells in Bradford County, Pennsylvania, 2016
Comparison of regression relations of bankfull discharge and channel geometry for the glaciated and nonglaciated settings of Pennsylvania and southern New York Comparison of regression relations of bankfull discharge and channel geometry for the glaciated and nonglaciated settings of Pennsylvania and southern New York
Spatial and temporal variation of stream chemistry associated with contrasting geology and land-use patterns in the Chesapeake Bay watershed—Summary of results from Smith Creek, Virginia; Upper Chester River, Maryland; Conewago Creek, Pennsylvania; and Di Spatial and temporal variation of stream chemistry associated with contrasting geology and land-use patterns in the Chesapeake Bay watershed—Summary of results from Smith Creek, Virginia; Upper Chester River, Maryland; Conewago Creek, Pennsylvania; and Di
Sources of fine-grained sediment in the Linganore Creek watershed, Frederick and Carroll Counties, Maryland, 2008-10 Sources of fine-grained sediment in the Linganore Creek watershed, Frederick and Carroll Counties, Maryland, 2008-10
Residence time, chemical and isotopic analysis of nitrate in the groundwater and surface water of a small agricultural watershed in the Coastal Plain, Bucks Branch, Sussex County, Delaware Residence time, chemical and isotopic analysis of nitrate in the groundwater and surface water of a small agricultural watershed in the Coastal Plain, Bucks Branch, Sussex County, Delaware
Non-USGS Publications**
**Disclaimer: The views expressed in Non-USGS publications are those of the author and do not represent the views of the USGS, Department of the Interior, or the U.S. Government.
Pennsylvania and the Chesapeake Bay Watershed
Susquehanna River Story — What does the science say about water quality?
Susquehanna River and Basin
Water Quality Monitoring to Inform Conservation Management, Fishing Creek, Clinton County, Pennsylvania
Sediment and Stream Health - Pennsylvania
Monitoring the Effectiveness of Conservation Practices in Small Agricultural Watersheds
Summarizing Science to Inform Management in the Chesapeake Bay Watershed
Science to Inform Management Priorities from Loads to Endpoints (SIMPLE)
Sediment Response of Stream Restoration Practices, Turtle Creek, Union County, Pennsylvania
USGS Chesapeake Publication Receives National Award for Superior Communication Product
Tracking Status and Trends in Seven Key Indicators of River and Stream Condition in the Chesapeake Bay Watershed
Greatest Opportunities for Future Nitrogen Reductions to the Chesapeake Bay Watershed are in Developed and Agricultural Areas
Compilation of multi-agency water temperature observations for streams within the Chesapeake Bay watershed Compilation of multi-agency water temperature observations for streams within the Chesapeake Bay watershed
Nitrogen sources to and export from the Chesapeake Bay watershed, 1950 to 2050 Nitrogen sources to and export from the Chesapeake Bay watershed, 1950 to 2050
Compilation of data not available in the National Water Information System for domestic wells sampled by the U.S. Geological Survey in Clinton County, Pennsylvania, May-September 2017 Compilation of data not available in the National Water Information System for domestic wells sampled by the U.S. Geological Survey in Clinton County, Pennsylvania, May-September 2017
Compilation of data not available in the National Water Information System for domestic wells sampled by the U.S. Geological Survey in Bradford County, Pennsylvania, May-August 2016 Compilation of data not available in the National Water Information System for domestic wells sampled by the U.S. Geological Survey in Bradford County, Pennsylvania, May-August 2016
Elevation and Pebble Count Data for 5 New Sites in Glaciated Setting of Pennsylvania and Southern New York, 2016 Elevation and Pebble Count Data for 5 New Sites in Glaciated Setting of Pennsylvania and Southern New York, 2016

Narrated presentation that provides a unique synthesis of the story of nutrient water quality in the Susquehanna watershed.
Narrated presentation that provides a unique synthesis of the story of nutrient water quality in the Susquehanna watershed.
Hammer Creek is a creek in Lebanon County, Pennsylvania. Its 13 square mile watershed has a mixture of cropland and animal-raising activities.
Hammer Creek is a creek in Lebanon County, Pennsylvania. Its 13 square mile watershed has a mixture of cropland and animal-raising activities.
Hammer Creek is a creek in Lebanon County, Pennsylvania. Its 13 square mile watershed has a mixture of cropland and animal-raising activities.
Hammer Creek is a creek in Lebanon County, Pennsylvania. Its 13 square mile watershed has a mixture of cropland and animal-raising activities.
Little Conewago Creek is a creek in Lebanon County, Pennsylvania. Its 5 square mile watershed contains a mixture of animal and crop agricultural activities.
Little Conewago Creek is a creek in Lebanon County, Pennsylvania. Its 5 square mile watershed contains a mixture of animal and crop agricultural activities.
Narrated presentation that provides a unique, long-term perspective (1950-2050) of the major drivers of nitrogen change up to the present, and forecasts how they may affect nitrogen into the future for the Chesapeake Bay watershed. Information is based off of U.S. Geological Survey Circular 1486.
Narrated presentation that provides a unique, long-term perspective (1950-2050) of the major drivers of nitrogen change up to the present, and forecasts how they may affect nitrogen into the future for the Chesapeake Bay watershed. Information is based off of U.S. Geological Survey Circular 1486.
Narrated presentation that provides a unique, long-term perspective (1950-2050) of the major drivers of nitrogen change up to the present, and forecasts how they may affect nitrogen into the future for the Chesapeake Bay watershed. Information is based off of U.S. Geological Survey Circular 1486.
Narrated presentation that provides a unique, long-term perspective (1950-2050) of the major drivers of nitrogen change up to the present, and forecasts how they may affect nitrogen into the future for the Chesapeake Bay watershed. Information is based off of U.S. Geological Survey Circular 1486.

USGS Hydrologist Hilary Dozier (formerly Abraham) measuring stream discharge during sampling, to allow calculation of loads, in Fishing Creek, Logan Township, Clinton County, Pennsylvania, just below the Logan Mills Covered Bridge (John Clune, USGS).
USGS Hydrologist Hilary Dozier (formerly Abraham) measuring stream discharge during sampling, to allow calculation of loads, in Fishing Creek, Logan Township, Clinton County, Pennsylvania, just below the Logan Mills Covered Bridge (John Clune, USGS).