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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March Photo Contest

March Photo Contest

Check out the winning photographs in the March 2020 Photo Contest! Categories include People, USGS at Work, Where We Work, and Honorable Mention

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Regions L2 Landing Page Tabs

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Date published: June 22, 2020
Status: Active

MD-DE-DC Coding and Statistical Data Capabilities

This site is dedicated to Coding and Statistical Data that is produced and analyzed by scientists at the MD-DE-DC WSC. We use many tools at the USGS including software exclusively developed for, sometimes written by the USGS. 

Date published: June 18, 2020
Status: Active

Contaminants in groundwater near former Navy bases in southeastern Pennsylvania

USGS has investigated groundwater flow and contaminant transport in the vicinity of former Navy bases in Bucks and Montgomery Counties, southeastern Pennsylvania, in cooperation with the U.S. Navy. Additional cooperative support for these investigations has been provided by the U.S. Environmental Protection Agency, Pennsylvania Department of Environmental Protection, Bucks and Montgomery...

Contacts: Lisa A Senior
Date published: June 16, 2020
Status: Active

Contaminant Fate and Transport Studies in Fractured Sedimentary Rock Aquifers at the former Naval Air Warfare Center (NAWC), West Trenton, N.J.

Contaminants associated with industrial, airport, and other activities are present in groundwater in fractured-rock aquifers, posing long-term hazards to drinking-water supplies and ecosystems. The heterogeneous character of fractured rock challenges our understanding, monitoring, and remediation of such sites.

Date published: June 16, 2020
Status: Active

MD-DE-DC WSC Seminar Series

Welcome to the MD-DE-DC Water Science Center Seminar Series

Here, you will find a list of upcoming public seminars taking place** at the USGS Maryland, Delaware-District of Columbia Water Science Center.

If you are new to our site, then welcome! Please take a few minutes to look around once you've taken care of business on this page. If you want to be included in...

Date published: June 16, 2020
Status: Active

Coastal Change Hazards

Natural processes such as waves, tides, and weather, continually change coastal landscapes. The integrity of coastal homes, businesses, and infrastructure can be threatened by hazards associated with event-driven changes, such as extreme storms and their impacts on beach and dune erosion, or longer-term, cumulative...

Date published: June 12, 2020
Status: Active

MD-DE-DC WSC Water Quality Capabilities

Water quality is a measure of the suitability of water for a particular use based on selected physical, chemical, and biological characteristics. Water-quality monitoring is used to help water-resource managers understand and avert potential negative effects of man-made and natural stresses on water resources, evaluate trends, and compare to water-quality criteria.

One of our primary...

Date published: June 8, 2020
Status: Active

Tectonic Processes

Geophysical research utilizes analytical and numerical tools to quantify tectonic processes. Basic geophysical research lays the ground for understanding of Earth processes, which affect natural hazards and resource estimation.
 

Contacts: Uri ten Brink
Date published: May 19, 2020
Status: Active

DETAILED AQUIFER MAPPING OF THE SPRINGVILLE, N.Y. AREA Erie, Cattaraugus, and Wyoming Counties, New York

Introduction Public-water systems at Springville and Yorkshire/Delavan, N.Y. along Cattaraugus Creek draw from local groundwater resources and serve about 5,500 people (U.S. EPA SDWIS database). The remainder of the population obtains water from domestic wells, many of them completed in glacial aquifers. A Cattaraugus Creek tributary valley (Buttermilk Creek) to the south is the site of the...

Date published: May 19, 2020
Status: Active

DETAILED AQUIFER MAPPING OF THE MALONE, N.Y. AREA (Adirondack foothills and St. Lawrence lowlands transect) Franklin County, New York

Introduction The Village of Malone, Franklin County, New York is located along the Salmon River where it exits the northern foothills of the Adirondack Mountains and flows northward across the St. Lawrence Lowlands until its confluence with the St. Lawrence River. The public water supply of the Village of Malone serves a population of 13,200 (U.S. EPA SDWIS database), which includes three...

Date published: May 15, 2020
Status: Active

MD-DE-DC WSC Surface Water Capabilities

As an integrated part of the WSC, the Surface Water Team monitors and conducts investigative research to describe and improve our region's understanding of extreme hydrologic events - droughts, floods and flood hazards, and coastal or bay storm surge and inundation. They also facilitate measurement stream stages, streamflow, and computes daily streamflow at locations in Maryland, Delaware, and...

Date published: May 7, 2020
Status: Active

Enabling AI for citizen science in fish biology

Artificial Intelligence (AI) is revolutionizing ecology and conservation by enabling species recognition from photos and videos. Our project evaluates the capacity to expand AI for individual fish recognition for population assessment. The success of this effort would facilitate fisheries analysis at an unprecedented scale by engaging anglers and citizen scientists in imagery collection. This...

Date published: May 7, 2020
Status: Completed

New information on chemical and physical characteristics of streams and floodplains across the Chesapeake Bay and Delaware River watersheds

Issue: Improving stream health is an important outcome of the Chesapeake Bay Program partnership. Stream conditions are important for recreational fisheries, and mitigating the amount of nutrients, sediment, and contaminants delivered to the Bay.

Contacts: Gregory Noe
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Date published: July 8, 2020

Chesapeake Bay River Input Monitoring Network 1985-2019: WRTDS input data

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 River Input Monitoring Network (RIM) stations for the period 1985 through 2019. Nutrient and suspended-sediment loads and changes in loads were determined by applying a weighted regression appro

Date published: July 8, 2020

Chesapeake Bay River Input Monitoring Network 1985-2019: Average annual yields

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 River Input Monitoring Network (RIM) stations for the period 1985 through 2019. Nutrient and suspended-sediment loads and changes in loads were determined by applying a weighted regression appro

Date published: July 8, 2020

Chesapeake Bay River Input Monitoring Network 1985-2019: Short- and long-term trends

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 River Input Monitoring Network (RIM) stations for the period 1985 through 2019. Nutrient and suspended-sediment loads and changes in loads were determined by applying a weighted regression appro

Date published: July 8, 2020

Chesapeake Bay River Input Monitoring Network 1985-2019: WRTDS output data

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 River Input Monitoring Network (RIM) stations for the period 1985 through 2019. Nutrient and suspended-sediment loads and changes in loads were determined by applying a weighted regression appro

Date published: July 8, 2020

Nitrogen, phosphorus, and suspended-sediment loads and trends measured at the Chesapeake Bay River Input Monitoring stations: Water years 1985-2019

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 River Input Monitoring (RIM) stations for the period 1985 through 2019. Nutrient and suspended-sediment loads and changes in loads were determined by applying a weighted regression approach call

Date published: July 8, 2020

Chesapeake Bay River Input Monitoring Network 1985-2019: Monthly loads

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 River Input Monitoring Network (RIM) stations for the period 1985 through 2019. Nutrient and suspended-sediment loads and changes in loads were determined by applying a weighted regression appro

Date published: July 8, 2020

Physiological changes in response to salinity and cortisol treatment in Atlantic sturgeon

The dataset are the results of studies examining the osmoregulatory physiology of Atlantic sturgeon (Acipenser oxyrinchus). Two experiments were conducted on physiological responses to salinity change, and another experiment on the effects of cortisol treatment on osmoregulation.

Date published: July 8, 2020

Streamflow Magnitude, Water Temperature, and Water Chemistry in Robinson Forest, Breathitt County, Kentucky (1971-2018)

Robinson Forest, in eastern Kentucky, is a research forest owned and operated by the University of Kentucky (UK) since the 1920s. The UK Department of Forestry and Natural Resources began collecting streamflow and water-chemistry data in the forest starting with weirs at Falling Rock and Little Millseat in 1971, and supplemented by weirs at Coles Fork and Clemons Fork in 1973. This digi

Date published: July 8, 2020

Chemical alteration index values and rare earth element data and expected ranges for regolith overlying the Stewartsville pluton, Virginia

This dataset contains whole major element geochemical data used to calculate values of the chemical alteration index (CIA), data for Nd, Sm, Y, and total REE and expected ranges for total REEY for samples of regolith overlying the Stewartsville pluton, Virginia. The southeastern United States was first identified as prospective for regolith-hosted REE deposits based on the recognit

Date published: July 8, 2020

Phytoplankton Community Composition in Western Lake Erie Basin and Northeast Ohio, 2016-2018

This dataset contains a tabular file of phytoplankton abundance and community composition analysis in samples collected from two sites in the Western Lake Erie Basin and one inland lake site in northeast Ohio. Samples were processed by the Ohio Water Microbiology Lab of the U.S. Geological Survey (USGS) and analyzed by BSA Environmental Inc. and during federal fiscal years 2016-2018. The data...

Date published: July 7, 2020

Hydrologic simulations for Robinson Forest and Reclaimed Mineland Soils

Robinson Forest, in eastern Kentucky, is a research forest owned and operated by the University of Kentucky (UK) since the 1920s. The Forest is situated in a portion of eastern Kentucky that has undergone extensive resource extraction, including silvaculture and both underground and surface mining of coal. This site has been used to evaluate hydrologic process, stream permanence, a

Date published: July 1, 2020

Sea-floor sediment samples, seabed imagery, and CTD instrument data collected on Stellwagen Bank in May and June, 2015, U.S. Geological Survey Field Activity 2015-017-FA

This field activity is part of the effort to map geologic substrates of the Stellwagen Bank National Marine Sanctuary. The R/V Auk  visited 61 locations on Stellwagen Bank at which a customized Van Veen grab sampler equipped with a video camera and a CTD was deployed to collect sediment for grain-size analysis, seabed video imagery, and measurements of water column properties. 

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Maine Soil-Water-Balance model study area and calibration watersheds
February 2, 2020

Calibration watersheds used in the Maine Soil-Water-Balance model and location of the study area.

New England Water Use, 2015
January 24, 2020

As part of the USGS National Water-Use Science Project, the New England WSC works in cooperation with local, State, and Federal agencies as well as academic and private organizations to collect and report total water withdrawals for the 6 states in New England.The most recent estimated water use compilation was completed in 2015. A summary for New England is presented in this geo-narrative.

DayMet average annual precipitation, 1991 to 2015, for the Maine Soil-Water-Balance model
January 21, 2020

DayMet average annual precipitation, 1991 to 2015, for the Maine Soil-Water-Balance model.

1991 to 2015 median annual potential recharge to groundwater for Maine
January 21, 2020

Simulated 25-year median annual potential recharge to groundwater for Maine, 1991 to 2015.

Minimum annual potential recharge to groundwater for Maine, 1991-2015
January 21, 2020

Simulated 25-year minimum annual potential recharge to groundwater for Maine, 1991 to 2015.

Maximum annual potential recharge to groundwater for Maine, 1991-2015
January 20, 2020

Simulated 25-year maximum annual potential recharge to groundwater for Maine, 1991 to 2015.

Wells in the New England groundwater level network dataset, 2017, web application
November 13, 2019

Locations of active wells (at least one measurement during the previous year) in the New England groundwater level network at the end of 2017. The dataset contains 104 wells with continuous water-level measurements (15-minute to hourly measurements), 182 wells with discrete water-level measurements (monthly measurements at most locations), and 95 wells with intermittent water-level measurements.

Western Lake Erie Basin (WLEB) watersheds of Ohio and Indiana showing the USGS monitoring stations
March 22, 2019

Western Lake Erie Basin (WLEB) projects map depicts the sites and watersheds, as well as the data for each site through the interactive map.

USGS Streamflow and water-quality data including nutrient and sediment concentrations and daily, monthly, and annual loads are available on NWISWeb.

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Year Published: 2020

Optimization of salt marsh management at the Stewart B. McKinney National Wildlife Refuge, Connecticut, through use of structured decision making

Structured decision making is a systematic, transparent process for improving the quality of complex decisions by identifying measurable management objectives and feasible management actions; predicting the potential consequences of management actions relative to the stated objectives; and selecting a course of action that maximizes the total...

Low, Laurel E.; Neckles, Hilary A.; Lyons, James E.; Nagel, Jessica L.; Adamowicz, Susan C.; Mikula, Toni; Vagos, Kristina; Potvin, Richard
Low, L.E. , Neckles, H.A., Lyons, J.E., Nagel, J.L., Adamowicz, S.C., Mikula, T., Vagos, K., and Potvin, R., 2020, Optimization of salt marsh management at the Stewart B. McKinney National Wildlife Refuge, Connecticut, through use of structured decision making: U.S. Geological Survey Open-File Report 2020–1139, 28 p., https://doi.org/10.3133/ofr20201139.

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Year Published: 2020

Co-habiting in a disease hotspot: Overlap between wild and domestic birds in Egypt impacts transmission of highly pathogenic H5N1

Understanding transmission dynamics that link wild and domestic animals is a key element of predicting the emergence of infectious disease, an event that has highest likelihood of occurring wherever human livelihoods depend on agriculture and animal trade. Contact between poultry and wild birds is a key driver of the emergence of highly pathogenic...

Hill, Nichola J.; Smith, Lacy M.; Muzaffar, Sabir B.; Nagel, Jessica L.; Prosser, Diann; Sullivan, Jeffery D.; Spragens, Kyle A.; DeMattos, Carlos A.; Demattos, Cecilia C.; El Sayed, Lu'ay; Erciyas-Yavuz, Kiraz; Davis, C. Todd; Jones, Joyce; Kis, Zoltan; Donis, Ruben O.; Newman, Scott H.; Takekawa, John Y.

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Year Published: 2020

Development of genetic baseline information to support the conservation and management of wild Brook Trout in North Carolina

Following centuries of declines, there is growing interest in conserving extant wild populations and reintroducing Brook Trout (Salvelinus fontinalis) populations of native ancestry. A population genetic baseline can enhance conservation outcomes and promote restoration success. Consequently, it is important to document existing patterns of...

Kazyak, David; Lubinski, Barbara A.; Rash, Jacob M; Johnson, Thomas C; King, Timothy L.

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Year Published: 2020

Simulation of groundwater flow in the regional aquifer system on Long Island, New York, for pumping and recharge conditions in 2005–15

A three-dimensional groundwater-flow model was developed for the aquifer system of Long Island, New York, to evaluate (1) responses of the hydrologic system to changes in natural and anthropogenic hydraulic stresses, (2) the subsurface distribution of groundwater age, and (3) the regional-scale distribution of groundwater travel times and the...

Walter, Donald A.; Masterson, John P.; Finkelstein, Jason S.; Monti, Jr., Jack; Misut, Paul E.; Fienen, Michael N.
Walter, D.A., Masterson, J.P., Finkelstein, J.S., Monti, J., Jr., Misut, P.E., and Fienen, M.N., 2020, Simulation of groundwater flow in the regional aquifer system on Long Island, New York, for pumping and recharge conditions in 2005–15: U.S. Geological Survey Scientific Investigations Report 2020–5091, 75 p., https://doi.org/10.3133/sir20205091.

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Year Published: 2020

Survival of Laysan Teal Anas laysanensis differs among island populations: Role of chronic avian botulism

Monitoring demographic response over time is valuable for understanding population dynamics of endangered species. We quantified the variation in survival patterns for three small isolated island populations of endangered waterfowl in the Hawaiian Archipelago. Laysan Teal Anas laysanensis were individually marked and the fate of 1,150...

Reynolds, Michelle H; Hatfield, Jeffrey; Courtot, Karen; Vanderlip, Cynthia

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Year Published: 2020

Research priorities for migratory birds under climate change—A qualitative value of information assessment

The mission of the U.S. Geological Survey National Climate Adaptation Science Center is to provide actionable, management-relevant research on climate change effects on ecosystems and wildlife to U.S. Department of the Interior bureaus. Providing this kind of useful scientific information requires understanding how natural-resource managers make...

Rubenstein, Madeleine A.; Rushing, Clark S.; Lyons, James E.; Runge, Michael C.
Rubenstein, M.A., Rushing, C.S., Lyons, J.E., and Runge, M.C., 2020, Research priorities for migratory birds under climate change—A qualitative value of information assessment: U.S. Geological Survey Circular 1472, 18 p., https://doi.org/10.3133/cir1472.

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Year Published: 2020

A Bayesian framework for assessing extinction risk based on ordinal categories of population condition and projected landscape change

Many at-risk species lack standardized surveys across their range or quantitative data capable of detecting demographic trends. As a result, extinction risk assessments often rely on ordinal categories of risk based on explicit criteria or expert elicitation. This study demonstrates a Bayesian approach to assessing extinction risk based on this...

Fitzgerald, Daniel Bruce; Henderson, Andrew R; Maloney, Kelly O.; Freeman, Mary; Young, John A.; Rosenberger, Amanda E.; Kazyak, David; Smith, David R.

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Year Published: 2020

Soil organic carbon development and turnover in natural and disturbed salt marsh environments

Salt marsh survival with sea‐level rise (SLR) increasingly relies on soil organic carbon (SOC) accumulation and preservation. Using a novel combination of geochemical approaches, we characterized fine SOC (≤1 mm) supporting marsh elevation maintenance. Overlaying thermal reactivity, source (δ13C), and age (F14C) information demonstrates several...

Luk, Sheron; Todd-Brown, Katherine; Eagle, Meagan; McNichol, Ann; Sanderman, Jonathan; Gosselin, Kelsey; Spivak, Amanda C.

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Year Published: 2020

Spatial capture–recapture with random thinning for unidentified encounters

Spatial capture–recapture (SCR) models have increasingly been used as a basis for combining capture–recapture data types with variable levels of individual identity information to estimate population density and other demographic parameters. Recent examples are the unmarked SCR (or spatial count model), where no individual identities are available...

Jiménez, José; Augustine, Ben; Linden, Daniel W.; Chandler, Richard B.; Royle, Andy

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Year Published: 2020

Investigation of U.S. Foreign Reliance on Critical Minerals—U.S. Geological Survey technical input document in response to Executive Order No. 13953 Signed September 30, 2020

Over the past few decades (1990–2019), the United States has become reliant on foreign sources to meet domestic demand for a large and growing number of mineral commodities. In combination with recent trends towards progressively concentrated supply of mineral commodities from a limited number of countries, this heightened import reliance may...

Nassar, Nedal T.; Alonso, Elisa; Brainard, Jaime L.
Nassar, N.T., Alonso, E., and Brainard, J.L., 2020, Investigation of U.S. Foreign Reliance on Critical Minerals—U.S. Geological Survey Technical Input Document in Response to Executive Order No. 13953 Signed September 30, 2020 (Ver. 1.1, December 7, 2020): U.S. Geological Survey Open-File Report 2020–1127, 37 p., https://doi.org/10.3133/ofr20201127.

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Year Published: 2020

Considerations for incorporating quality control into water quality sampling strategies for the U.S. Geological Survey

This report describes considerations for incorporating routine quality-assessment and quality-control evaluations into U.S. Geological Survey discrete water-sampling programs and projects. U.S. Geological Survey water-data science in 2020 is characterized by robustness, external reproducibility, collaborative large-volume data analysis, and...

Medalie, Laura
Medalie, L., 2020, Considerations for incorporating quality control into water quality sampling strategies for the U.S. Geological Survey: U.S. Geological Survey Open-File Report 2020–1109, 5 p., https://doi.org/10.3133/ofr20201109.

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Year Published: 2020

Quality of data from the U.S. Geological Survey National Water Quality Network for water years 2013–17

Water samples from 122 sites in the U.S. Geological Survey National Water Quality Network were collected in 2013–17 to document ambient water-quality conditions in surface water of the United States and to determine status and trends of loads and concentrations for nutrients, contaminants, and sediment to estuaries and streams. Quality-control (QC...

Medalie, Laura; Bexfield, Laura M.
Medalie, L., and Bexfield, L.M., 2020, Quality of data from the U.S. Geological Survey National Water Quality Network for water years 2013–17: U.S. Geological Survey Scientific Investigations Report 2020–5116, 21 p., https://doi.org/10.3133/sir20205116.

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Piping Plovers on a beach
June 25, 2018

iPlover was developed by the U.S. Geological Survey Woods Hole Coastal and Marine Science Center and the USGS Center for Integrated Data Analytics.  It is used by trained and vetted personnel to record information about habitats on coastal beaches and he environment surrounding them. 

ecosystem services
April 23, 2018

LSC Conte Anadrmous Fish Laboratory is currently involved in https://ecosheds.org.

WellFootprint Map Lansdale Pa. fig.
April 23, 2018

Wellfootprint computes a raster map of groundwater withdrawals relative to a user-defined "Depth-Rate Index" (DRI), such as a recharge rate. Dividing each well's withdrawal rate by the length per time DRI yields an area for display for each well's 'footprint' as a circle around each well. Symbols for closely spaced wells are merged to visualize the combined withdrawals equitably. 

USGS
November 14, 2017

Capture-recapture software to correct raw counts of wildlife fatalities using trial experiments for carcass detecition probability and persistence time.

USGS
April 12, 2017

The programs perform input file formation, distribution visualization, individual-based dynamic population simulation, pedigree accuracy assessment, effective population si

trees and stream
December 15, 2016

The New York Streamflow Estimation Tool produces a complete estimated daily mean time series from which daily flow statistics can be estimated and a means for quantitative flow assessments at ungaged locations to restore and maintain the chemical, physical, and biological integrity of the Nation’s waters.

SIR 2016-5123 front cover icon
October 5, 2016

Overview

The Massachusetts Reservoir Simulation Tool is a screening-level model developed to examine the effects of reservoirs on the natural streamflow of streams in Massachusetts. The Massachusetts Reservoir Simulation Tool simulates the daily water balance equation of a water supply reservoir and estimates the magnitude, frequency and duration of spillage below the dam over the period of record.

Cover image from OFR 2015-1192
June 21, 2016

The Delaware River Basin Streamflow Estimator Tool (DRB-SET) estimates baseline and altered streamflow at a daily time step for ungaged stream locations in the Delaware River Basin for water years 1960-2010.

USGS
April 26, 2016

Estimates the total number of species from species presence-absence data on multiple sample sites or occasions using model M(h) from program CAPTURE.

USGS
April 26, 2016

Estimates patch occupancy rates and related parameters.

USGS
April 26, 2016

Computes estimates of survival and capture probability using capture-recapture data with "robust-design" models and recoveries.

USGS
April 26, 2016

Tests the null hypothesis that two samples of recoveries belong to the same bivariate distribution.

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Dry river bed during 2020 drought - Mill River at Cook Hill Rd. in Cheshire, CT
September 3, 2020

Dry river bed during 2020 drought - Mill River, Cheshire, CT

Station 01196588 Mill River at Cook Hill Rd. in Cheshire, Connecticut.

Photo shows dry river channel at location of staff gage.

Wildwood NJ Surf
August 20, 2020

Wildwood NJ Surf

Photo of the surf and clouds in Wildwood, NJ November 2019. 

Lake, tree, water vessels, fence
August 12, 2020

Lake George in the Fall

Lake George, New York, in the fall with a dock and watercraft.

2020 drought impact on Quinebaug River, West Thompson, CT
August 11, 2020

2020 drought impact on Quinebaug River, West Thompson, CT

Station 01124151 Quinebaug River West Thompson Connecticut. Photo shows the orifice line that senses the river stage. The orifice is out of water, so we were not able to collect stage or discharge data. The orifice line was extended further into the channel to a

...
Quinebaug River during 2020 drought, West Thompson CT
August 11, 2020

Quinebaug River during 2020 drought, West Thompson CT

Quinebaug River near West Thompson, Connecticut. Photo shows one of few deeper pools of water in the 01124151 station vicinity during drought.

USGS boat crew on Merrimack River, Massachusetts
July 1, 2020

USGS boat crew on Merrimack River, Massachusetts

Two USGS scientists traveling by boat to estuary sampling and monitoring stations, Merrimack River, Massachusetts

Photograph of USGS staff in the marsh wearing masks
June 8, 2020

Social distancing in the field

Safety is a top priority. USGS staff recently improved access to field sites at the Herring River estuary within the Cape Cod National Seashore to provide safer paths through a phragmites wetland. Research continues largely through deployment of instruments that can take measurements in water and air continuously, but some measurements do require staff, who are

...
Merrimack River near Aiken St Bridge, Lowell, Massachusetts (USGS ID: 010965985)
June 6, 2020

Merrimack River near Aiken St Bridge, Lowell, Massachusetts

Merrimack River near Aiken St Bridge, Lowell, Massachusetts (USGS ID: 010965985).

The site is one of the Merrimack project water quality sampling and monitoring stations.

Photograph of USGS scientist on a ladder checking equipment
May 21, 2020

Rebecca Sanders-DeMott performing maintenance on an eddy flux tower

Instruments continue to collect vital data during workplace closures. Here staff perform maintenance on an eddy flux tower located within a phragmites wetland at the Cape Cod National Seashore. The instruments on this tower measure methane and CO2 fluxes related to plant and soil processes day in and day out for the entire year. This information is critical for

...
Map of gas hydrate locations known and inferred
May 16, 2020

Map of gas hydrate locations, known and inferred

Map of gas hydrate locations, known and inferred.  Browse graphic for ScienceBase data release, Preliminary global database of known and inferred gas hydrate locations. 

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Map of New England 7-day average streamflow conditions
September 21, 2020

Current information to help with understanding the extent and severity of the recent drought in New England.

Image shows USGS field crew conducting measurements on flooding streams
August 4, 2020

To learn more about USGS’s role in providing science to decision makers before, during, and after Hurricane Isaias, visit the USGS Hurricane Isaias page at https://www.usgs.gov/isaias

TNMCorps Mapping Challenge: City/Town Halls in ME, NH, VT
July 9, 2020

Over 80 points have been added since last week!  Keep up the good work!

A male Blue-winged Teal in flight
July 7, 2020

Birds bring joy merely by their presence, from their bold colors and majestic songs to their grace as they glide through the sky. Birds contribute more than beauty to the environment and society. Many plants depend on hummingbirds and other species to pollinate them. Hawks and owls prey on rodents and other pests. Fruit- and grain-eating birds help spread plants’ seeds.

TNMCorps Mapping Challenge: City/Town Halls in ME, NH, VT
July 2, 2020

This challenge is seeing some progress with the northwestern corner of VT filling in!

Gage at LaVale, MD
July 1, 2020

There's a lot of talent at the Maryland, Delaware, Washington, DC Water Science Center!

We’ve created a series of websites, thematically named to characterize our work as our “Capabilities”, working interdependently with a diverse array of cooperative partners, the scientists, technicians, and support staff work tirelessly to produce the high-quality output for which the USGS is world renown.

TNMCorps Mapping Challenge: City/Town Halls in ME, NH, VT
June 25, 2020

Approximately 80 edits have come in since this challenge was launched! This includes ~70 new points! Nice work!

Dead Run, a typical urban creek
June 24, 2020

Dirt, sand, and other particulate material on parking lots and streets is washing off into urban streams, reports a new study by the U.S. Geological Survey Regional Stream Quality Assessment. The study used novel particle tracers to determine that particles washed from pavement made up almost half of the streambed sediment in parts of Dead Run, an urban stream in the Baltimore area.

A bee with pollen on it
June 22, 2020

Pollinators in the form of bees, birds, butterflies, bats and beetles provide vital but often invisible services, from supporting terrestrial wildlife and plant communities, to supporting healthy watersheds.

TNMCorps Mapping Challenge: City/Town Halls in ME, NH, VT NEW
June 19, 2020

TNMCorps Mapping Challenges head to New England with a new challenge for city/town halls in Maine, New Hampshire, and Vermont!

Photo of drone with ground-penetrating radar system flying close over river surface
June 5, 2020

Melinda Chapman, recently appointed Director of the Pennsylvania Water Science Center (previously Assistant Chief of the USGS Office of Groundwater), introduces the first issue of the Pennsylvania Waters newsletter, available via http://www.usgs.gov/pennsylvania-waters-newsletters.

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