Unified Interior Regions

Region 1: North Atlantic-Appalachian

Our Science Centers

Our Science Centers

The NAA Region has 15 Science Centers spanning 14 NE States and Washington, DC. The Centers conduct interdisciplinary biologic, geologic, hydrologic, and energy monitoring and research addressing natural resource issues facing our nation.

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August and September Photo Contests

August and September Photo Contests

Check out the winning photographs in the August and September 2021 Photo Contests! Categories include People, USGS at Work, Where We Work, and Honorable Mention.

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Regions L2 Landing Page Tabs

Filter Total Items: 1,126
Date published: May 30, 2019
Status: Active

Philadelphia Water Resources Monitoring Program

The Philadelphia Water Department (PWD) and USGS have been working together to create and expand the water-quality monitoring network for Philadelphia. A groundwater level monitoring network web app was also developed.

Contacts: Andrew G Reif
Date published: May 28, 2019
Status: Active

LSC Future Events

List of future Leetown Science Center events (conference/workshops, lunch-n-learn and public outreach).

Date published: May 24, 2019
Status: Active

Groundwater-Quality of Nassau County, Long Island, New York

Problem Statement There are over 1.3 million residents in Nassau County that rely on groundwater as their sole source of potable drinking water. The mixed land uses (residential, commercial, industrial, agricultural, and recreational) of Nassau County contribute point and non-point sources of aquifer contamination. Nassau County water purveyors currently operate supply wells screened in the...

Contacts: Irene J Fisher
Date published: May 20, 2019
Status: Active

School Branch at CR750N at Brownsburg, IN

Water-quality “super” gages (also known as “sentry” gages) provide real-time, continuous measurements of the physical and chemical characteristics of stream water at or near selected U.S. Geological Survey (USGS) streamgages in Ohio, Kentucky, and Indiana. A super gage includes streamflow and water-quality instrumentation and representative stream sample collection for laboratory analysis....

Contacts: Timothy Lathrop
Date published: May 17, 2019
Status: Active

Eagle Creek at Zionsville, IN

Water-quality “super” gages (also known as “sentry” gages) provide real-time, continuous measurements of the physical and chemical characteristics of stream water at or near selected U.S. Geological Survey (USGS) streamgages in Ohio, Kentucky, and Indiana. A super gage includes streamflow and water-quality instrumentation and representative stream sample collection for laboratory analysis....

Date published: May 16, 2019
Status: Active

Assessing native fish restoration potential in Catoctin Mountain Park

Native species conservation is a fundamental purpose of National Parks. Catoctin Mountain Park (CATO) in Maryland supports a prized trout fishery and a healthy community of native fishes, with one exception: native Blue Ridge Sculpin (Cottus caeruleomentum) appear to have been extirpated from Big Hunting Creek above Cunningham Falls. Infection by a fungal-like protist ...

Date published: May 15, 2019
Status: Active

Project eTrout—Linking Research and Education with Virtual Reality

In the Chesapeake Bay headwaters, native brook trout are economically and culturally important and require high-quality, cold-water habitats. Project eTrout, led by the U.S. Geological Survey (USGS), explores the use of crowdsourcing and virtual reality (VR) to estimate the abundance of brook trout in headwater streams of the Chesapeake Bay watershed. Project eTrout engages students, anglers,...

Date published: May 13, 2019
Status: Active

Water Levels in the Ten Major Confined Aquifers of the New Jersey Coastal Plain

The Coastal Plain aquifers of New Jersey provide an important source of water for more than 3.5 million people. The USGS, in cooperation with the New Jersey Department of Environmental Protection, has been measuring water levels in the confined aquifers of the New Jersey Coastal Plain every five years beginning in 1978.  Persistent, regionally extensive cones of depression are present in Ocean...

Date published: May 8, 2019
Status: Active

Spatio-Temporal Statistical Models for Forecasting Climate Change Effects on Bird Distribution

Ecological indicators of climate change are needed to measure concurrent changes in ecological systems, inform management decisions, and forecast the consequences of climate change. We seek to develop robust bird-based, climate-change indicators using North American Breeding Bird Survey data.

Date published: April 29, 2019
Status: Active

PWRC Workshops

Workshops at PWRC or by PWRC scientists

Date published: April 26, 2019
Status: Active

World Oil and Gas Resource Assessments

The USGS World Energy Project conducts geologic studies that provide an understanding of the quantity, quality, and geologic distribution of world oil and gas resources. Our geologic studies are conducted in an impartial manner and are performed in collaboration and partnership with energy experts within and outside government. Through synthesis and improved understanding of global oil and gas...

Date published: April 26, 2019
Status: Active

Contaminants in fish tissues from AOCs in New York State: The Niagara River AOC

DEC collaborators collect fish from a Niagara River tributary using an electrofishing boat The New York State Department of Environmental Conservation (NYSDEC) and Department of Health (NYSDOH), and the U.S. Geological Survey (USGS) are gathering data on chemical contaminants in fish from multiple Areas of Concern (AOCs) in New York State and plan to use this information to evaluate fish cons...

Filter Total Items: 495
Date published: February 18, 2020

Chesapeake Bay Nontidal Network 1985-2018: WRTDS output data

Nitrogen, phosphorus, and suspended-sediment loads, and changes in loads, in rivers across the Chesapeake Bay watershed have been calculated using monitoring data from the Chesapeake Bay Nontidal Network (NTN) stations for the period 1985 through 2018. Nutrient and suspended-sediment loads and changes in loads were determined by applying a weighted regression approach called WRTDS (

Date published: February 18, 2020

Chesapeake Bay Nontidal Network 1985-2018: Short- and long-term trends

Nitrogen, phosphorus, and suspended-sediment loads, and changes in loads, in rivers across the Chesapeake Bay watershed have been calculated using monitoring data from the Chesapeake Bay Nontidal Network (NTN) stations for the period 1985 through 2018. Nutrient and suspended-sediment loads and changes in loads were determined by applying a weighted regression approach called WRTDS (

Date published: February 18, 2020

Chesapeake Bay Nontidal Network 1985-2018: WRTDS input data

Nitrogen, phosphorus, and suspended-sediment loads, and changes in loads, in rivers across the Chesapeake Bay watershed have been calculated using monitoring data from the Chesapeake Bay Nontidal Network (NTN) stations for the period 1985 through 2018. Nutrient and suspended-sediment loads and changes in loads were determined by applying a weighted regression approach called WRTDS (

Date published: February 18, 2020

Chesapeake Bay Nontidal Network 1985-2018: Average annual yields

Nitrogen, phosphorus, and suspended-sediment loads, and changes in loads, in rivers across the Chesapeake Bay watershed have been calculated using monitoring data from the Chesapeake Bay Nontidal network (NTN) stations for the period 1985 through 2018. Nutrient and suspended-sediment loads and changes in loads were determined by applying a weighted regression approach called WRTDS (

Date published: February 18, 2020

Raw Pin Data from Rod Surface-Elevation Table (rSET) Measurements and Water Level Data at Specified Locations along Monks and Swaderick Creeks, Aberdeen Proving Ground, Maryland, 2018-2019

This metadata record contains a shapefile of site locations and 3 tables used to assess wetland elevation change over time and the long-term effects of sea-level rise to vulnerable tidal wetlands along the Edgewood peninsula of Aberdeen Proving Ground, Maryland. Included in the dataset are raw pin measurements of wetland sediment elevation and water levels measured for selected sites along...

Date published: February 18, 2020

Chesapeake Bay Nontidal Network 1985-2018: Monthly loads

Nitrogen, phosphorus, and suspended-sediment loads, and changes in loads, in rivers across the Chesapeake Bay watershed have been calculated using monitoring data from the Chesapeake Bay Nontidal Network (NTN) stations for the period 1985 through 2018 Nutrient and suspended-sediment loads and changes in loads were determined by applying a weighted regression approach called WRTDS (W

Date published: February 18, 2020

Chesapeake Bay Nontidal Network 1985-2018: Annual loads

Nitrogen, phosphorus, and suspended-sediment loads, and changes in loads, in rivers across the Chesapeake Bay watershed have been calculated using monitoring data from the Chesapeake Bay Nontidal Network (NTN) stations for the period 1985 through 2018. Nutrient and suspended-sediment loads and changes in loads were determined by applying a weighted regression approach called WRTDS (

Date published: February 18, 2020

Nitrogen, phosphorus, and suspended-sediment loads and trends measured at the Chesapeake Bay Nontidal Network stations: Water years 1985-2018

Nitrogen, phosphorus, and suspended-sediment loads, and changes in loads, in major rivers across the Chesapeake Bay watershed have been calculated using monitoring data from the Chesapeake Bay Nontidal Network (NTN) stations for the period 1985 through 2018. Nutrient and suspended-sediment loads and changes in loads were determined by applying a weighted regression approach called WRT

Date published: February 13, 2020

Subsurface stratigraphic picks of the Middle–Upper Triassic Shublik Formation, Alaska North Slope

The Middle–Upper Triassic Shublik Formation is the main source rock for Arctic Alaska oil and gas accumulations, including the supergiant Prudhoe Bay field. A revised stratigraphic framework recently has been developed in outcrop for the Shublik and related strata that delineates three large-scale stratigraphic units: 1) the lower clastic (LC) unit, 2) the middle carbonate-

Date published: February 10, 2020

Sample mounting for organic petrology: no thermal effects from transient exposure to elevated temperatures (2019)

For sample mounting, organic petrology laboratories typically use cold-setting epoxy-resin (e.g., 40°C, used by Oklahoma Geological Survey, OGS) or heat-setting plastic (e.g., 180°C, used by U.S. Geological Survey, USGS). Previous workers have suggested a systematic vitrinite reflectance (VRo) increase was associated with the thermoplastic preparation process%2

Date published: February 5, 2020

Compiled data for groundwater levels, groundwater withdrawals by wells and quarries, and point-source discharges to streams in the vicinity of Willow Grove and Warminster, Bucks and Montgomery Counties, Pennsylvania, for selected years during 1999-2017

This USGS Data Release includes hydrologic data compiled for selected years during the period 1990-2017 to support the development and calibration of a numerical groundwater model used to simulate groundwater flow paths at and near former and currently active military bases in Montgomery and Bucks Counties in southeastern Pennsylvania (Goode and Senior, 2020). The hydrologic data compiled f...

Date published: January 29, 2020

Video data for trout abundance estimation

Rapid advances in video technology are enabling new strategies for species abundance estimation. Here we provide estimates of fish abundance derived from video data collected in a series of stream pools in Shenandoah National Park, Virginia (n=41). Two 360-degree cameras were simultaneously used at each pool site where 15-minutes of underwater footage was collected. Environmental data are

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Year Published: 2021

In vitro effects-based method and water quality screening model for use in pre- and post-distribution treated waters

Recent urban public water supply contamination events emphasize the importance of screening treated drinking water quality after distribution. In vitro bioassays, when run concurrently with analytical chemistry methods, are effective tools to evaluating the efficacy of water treatment processes and water quality. We tested 49 water...

Medlock-Kakaley, Elizabeth; Cardon, Mary C.; Evans, Nicola; Iwanowicz, Luke R.; Allen, Joshua M.; Wagner, Elizabeth; Bokenkamp, Katherine; Richardson, Susan D; Plewa, Michael J; Bradley, Paul; Romanok, Kristin; Kolpin, Dana W.; Conley, Justin M.; Gray, L. Earl Jr.; Hartig, Phillip C.; Wilson, Vickie S.

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Year Published: 2021

Habitat use as indicator of adaptive capacity to climate change

AimPopulations of cold‐adapted species at the trailing edges of geographic ranges are particularly vulnerable to the negative effects of climate change from the combination of exposure to warm temperatures and high sensitivity to heat. Many of these species are predicted to decline under future climate scenarios, but they could persist if they can...

Teitelbaum, Claire S.; Siren, Alexej P. K.; Coffel, Ethan; Foster, Jane R.; Frair, Jacqueline L.; Hinton, Joseph W.; Horton, Radley W.; Kramer, David W.; Lesk, Corey; Raymond, Colin; Wattles, David; Zeller, Katherine; Morelli, Toni Lyn

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Year Published: 2021

Sentinel-2 and WorldView-3 atmospheric correction and signal normalization based on ground-truth spectroradiometric measurements

Remote sensing satellite Earth Observing Systems (EOS) provide a variety of products for monitoring Earth surface processes at varying spatial and spectral resolutions. Combining information from high and medium spatial resolution images is valuable for monitoring ground cover and vegetation status in cropland, grassland, forests, and other...

Pancorbo, J.L.; Lamb, Brian T.; Quemada, Miguel; Hively, W. Dean; Gonzalez-Fernandez, I.; Molina, Inigo

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Year Published: 2021

Does geomorphology determine vulnerability of mangrove coasts to sea-level rise?

The greatest climate-based threat to coastlines worldwide is sea-level rise. We tested the hypothesis that tropical coasts fringed by mangroves and receiving high inputs of terrigenous sediment are less vulnerable to sea-level rise than biogenic systems dependent upon peat formation for vertical land development. An analysis of published data...

McKee, Karen L.; Krauss, Ken; Cahoon, Donald

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Year Published: 2021

Using expert knowledge to support Endangered Species Act decision‐making for data‐deficient species

Many questions relevant to conservation decision making are characterized by extreme uncertainty due to lack of empirical data and complexity of the underlying ecological processes, leading to a rapid increase in the use of structured protocols to elicit expert knowledge. Published ecological applications often employ a modified Delphi method,...

Fitzgerald, Daniel Bruce; Smith, David R.; Culver, David C.; Feller, Daniel; Fong, Daniel W.; Hajenga, Jeff; Niemiller, Matthew L.; Nolfi, Daniel C.; Orndorff, Wil D.; Douglas, Barbara; Maloney, Kelly O.; Young, John A.

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Year Published: 2021

Assessing the impact of drought on arsenic exposure from private domestic wells in the conterminous United States

This study assesses the potential impact of drought on arsenic exposure from private domestic wells by using a previously developed statistical model that predicts the probability of elevated arsenic concentrations (>10 μg per liter) in water from domestic wells located in the conterminous United States (CONUS). The application of the model to...

Lombard, Melissa; Daniel, Johnni; Jeddy, Zuha; Hay, Lauren; Ayotte, Joseph D.

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Year Published: 2021

Monitoring wetland water quality related to livestock grazing in amphibian habitats

Land use alteration such as livestock grazing can affect water quality in habitats of at-risk wildlife species. Data from managed wetlands are needed to understand levels of exposure for aquatic life stages and monitor grazing-related changes afield. We quantified spatial and temporal variation in water quality in wetlands occupied by threatened...

Smalling, Kelly; Rowe, Jennifer; Pearl, Christopher; Iwanowicz, Luke R.; Givens, Carrie E.; Anderson, Chauncey W.; McCreary, Brome; Adams, Michael J.

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Year Published: 2021

Groundwater discharge impacts marine isotope budgets of Li, Mg, Ca, Sr, and Ba

Groundwater-derived solute fluxes to the ocean have long been assumed static and subordinate to riverine fluxes, if not neglected entirely, in marine isotope budgets. Here we present concentration and isotope data for Li, Mg, Ca, Sr, and Ba in coastal groundwaters to constrain the importance of groundwater discharge in mediating the magnitude and...

Mayfield, Kimberly; Eisenhauer, Anton; Santiago Ramos, Danielle P.; Higgins, John A.; Horner, Tristan; Auro, Maureen; Magna, Tomas; Moosdorf, Nils; Charette, Matthew; Gonneea Eagle, Meagan; Brady, Carolyn; Komar, Nemanja; Peucker-Ehrenbrink, Bernard; Paytan, Adina

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Year Published: 2021

Statistical methods for simulating structural stormwater runoff best management practices (BMPs) with the Stochastic Empirical Loading and Dilution Model (SELDM)

This report documents statistics for simulating structural stormwater runoff best management practices (BMPs) with the Stochastic Empirical Loading and Dilution Model (SELDM). The U.S. Geological Survey developed SELDM and the statistics documented in this report in cooperation with the Federal Highway Administration to indicate the risk for...

Granato, Gregory E.; Spaetzel, Alana B.; Medalie, Laura
Granato, G.E., Spaetzel, A.B., and Medalie, L., 2021, Statistical methods for simulating structural stormwater runoff best management practices (BMPs) with the Stochastic Empirical Loading and Dilution Model (SELDM): U.S. Geological Survey Scientific Investigations Report 2020–5136, 41 p., https://doi.org/10.3133/sir20205136.

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Year Published: 2021

Measuring U.S. Federal Agency progress toward implementation of alternative methods in toxicity testing

The U.S. Government Accountability Office (GAO) recommended to Congress that federal agencies establish a workgroup through ICCVAM to propose metrics for assessing progress on the development and promotion of alternative methods. This document describes the recommendations of the ICCVAM Metrics Workgroup.

Gordon, John D.; Clarke, Carol; Johnson, Matthew; Reinke, Emily N.; Rattner, Barnett A.; Hwang, Steve; Craig, Evisabel; Lowit, Anna; Brown, Paul; Davis-Bruno, Karen L.; Crusan, Annabelle; Fitzpatrick, Suzanne; Kang, Jueichuan; Levis, Robin; Mendrick, Donna L.; Merrill, Jill; Berridge, Brian; Casey, Warren; Kleinstreuer, Nicole; Watson, Harold

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Year Published: 2021

Response of aquatic life to coal mining in Appalachia

No abstract available. 

Merovich, George T.; Hitt, Nathaniel P.; Merriam, Eric R.; Jones, Jess

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Year Published: 2021

Arsenic release to the environment from hydrocarbon production, storage, transportation, use and waste management

Arsenic (As) is a toxic trace element with many sources, including hydrocarbons such as oil, natural gas, oil sands, and oil- and gas-bearing shales. Arsenic from these hydrocarbon sources can be released to the environment through human activities of hydrocarbon production, storage, transportation and use. In addition, accidental release of...

Schreiber, Madeline; Cozzarelli, Isabelle M.

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large microscopeon laboratory countertop with sifting pans nearby
January 9, 2020

Large microscope used for counting microplastics found in water sample

Large microscope used for counting microplastics found in water samples

Drone pilots by creek
January 3, 2020

Drone Pilots on a mission at Nelson Island Creek, Rowley, MA

In collaboration with the Marine Biological Laboratory (MBL) in Woods Hole, Massachusetts, the AIM group conducted UAS aerial surveys looking at vegetation classification/index surrounding a MBL gas flux tower located in Nelson Island Creek, Rowley, Massachusetts.

mouth of the Merrimack River, Plum Island and the Parker River National Wildlife Refuge.
January 3, 2020

Merrimack River, Plum Island, and Parker River Wildlife Refuge

This image created using the Continuous Bathymetry and Elevation Models of the Massachusetts Coastal Zone and Continental Shelf, shows the mouth of the Merrimack River, Plum Island and the Parker River National Wildlife Refuge.

Provincetown, MA and the northern section of the Cape Cod National Seashore.
January 3, 2020

Provincetown, MA

This image was created using the Continuous Bathymetry and Elevation Models of the Massachusetts Coastal Zone and Continental Shelf, shows Provincetown, MA and the northern section of the Cape Cod National Seashore.

Elizabeth Islands, Vineyard Sound, and Martha’s Vineyard.
January 3, 2020

Elizabeth Islands, Vineyard Sound, and Martha’s Vineyard.

This image created using the Continuous Bathymetry and Elevation Models of the Massachusetts Coastal Zone and Continental Shelf, shows the Elizabeth Islands, Vineyard Sound, and Martha’s Vineyard.

Release of radio-tagged silver phase American Eel
December 31, 2019

Release of radio-tagged silver phase American Eel

Radio-tagged silver phase American Eels being released for a CAFRL telemetry study of downstream passage of eels at hydroelectric dams on the Shetucket River, Connecticut.

Will Dougherty carrying snapping turtle
December 31, 2019

Will Dougherty carrying snapping turtle

Northeast Region Photo Contest Winner | June 2019 | People
Will Dougherty carrying snapping turtle

Patapsco above Elkridge, MD
December 31, 2019

Patapsco above Elkridge, MD

Northeast Region Photo Contest, August 2019, Where We Work
Patapsco above Elkridge, MD

Eel airlift bypass prototype
December 31, 2019

Eel airlift bypass prototype

Prototype design of an airlift developed at CAFL to transport downstream migrant eels through a bypass pipe and away from turbine intakes. The airlift design passes eels as well as a conventional siphon or gravity pipe.

Landslide at Howard Gap Road
December 31, 2019

Landslide at Howard Gap Road

Northeast Region Photo Contest Winner | June 2019 | USGS at Work
Landslide at Howard Gap Road, Hendersonville NC; People (R to L): Kelsey O'Pry, Corey Scheip, Jesse Hill, Jessica DeWitt; UAV imaging and geologic field observations are done to map the extent and activity of this landslide; Hendersonville, NC

Eel electrosensitivity test apparatus
December 31, 2019

Eel electrosensitivity test apparatus

Apparatus used to test the sensitivity of eels to low-voltage pulsed DC electric fields. Knowledge of sensitivity of eels to electric fields enables development of behavioral barriers that use electricity to guide eels away from turbine intakes.

Tuckerman Ravine, White Mountains, New Hampshire, in winter
December 31, 2019

Tuckerman Ravine, White Mountains, New Hampshire, in winter

Tuckerman Ravine White Mountains New Hampshire in winter.

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Multiple images showing USGS fish passage research
May 25, 2018

The Blackstone River in Rhode Island is where one of the Nation’s first fish passages was built back in 1714 to help fish navigate past manmade obstructions so they could complete their instinctual migration cycles.

Image shows industrial piles of gray rock
May 18, 2018

The Department of the Interior today published a list of 35 mineral commodities considered critical to the economic and national security of the United States. This list will be the initial focus of a multi-agency strategy due in August this year to implement President Donald J. Trump's Executive Order to break America's dependence on foreign minerals

Floodplains trap sediment and slow flood waters during runoff events.
May 15, 2018

New paper published presents a method that combines field and geospatial datasets to estimate the amount of sediment eroded from stream banks and deposited on floodplains.

Fire Island Lighthouse
April 26, 2018

SPCMSC Research Geologist Jennifer Miselis and WHCMSC Research Geologist Erika Lentz will present USGS research at the 11th Biennial Science Workshop organized by the National Park Service (NPS) Fire Island National Seashore (FIIS).

Ohio-Kentucky-Indiana Newsletter Logo
March 12, 2018

Thanks for viewing this first version of the Ohio-Kentucky-Indiana Water Science Center Newsletter. I use this format a few times a year to highlight U.S. Geological Survey (USGS) activities and water-related science going on at the Ohio-Kentucky-Indiana Water Science Center (OKI WSC). 

 

 Scanning electron microscope image of gas hydrate crystals in a sediment sample.
March 8, 2018

After lying hidden in sediments for thousands of years, delicate frozen gas structures are in the spotlight for both scientific research and the national interest. These structures, known as gas hydrate, are being investigated by scientists the world over for their possible contributions to the global energy mix, as well as their potential interaction with the environment.

USGS measures discharge at the Ohio River at Olmsted Lock and Dam
March 7, 2018

Crews from the U.S. Geological Survey have been in the field for weeks measuring flooding in the Midwest and in the Mississippi River watershed, and more recently flooding and storm tides on the Northern Atlantic coast, as higher temperatures, heavy rain, snowmelt and nor’easters affected numerous states. 

Nor'easter
March 1, 2018

USGS field crews are deploying storm-tide and wave sensors today from Maine to Delaware to track and study a Nor’easter forecasted to begin tomorrow.

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