Publications
New York Water Science Center publications
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Filter Total Items: 674
Cyanotoxin occurrence in large rivers of the United States
Cyanotoxins occur in rivers worldwide but are understudied in lotic ecosystems relative to lakes and reservoirs. Eleven large river sites located throughout the United States were sampled during June–September 2017 to determine the occurrence of cyanobacteria with known cyanotoxin-producing strains, cyanotoxin synthetase genes, and cyanotoxins. Chlorophyll-a concentrations spanned the range from o
Authors
Jennifer L. Graham, Neil Dubrovsky, Guy Foster, Lindsey R. King, Keith Loftin, Barry Rosen, Erin Stelzer
Field observations of wind waves in Upper Delaware Bay with living shorelines
Constructed oyster reefs (CORs) provide shore protections and habitats for fish and shellfish communities via wave energy attenuation. However, the processes and mechanism of CORs on wave attenuation remain unclear, thus limiting the effective assessment of CORs for shoreline protection. This paper presents results of a field investigation on wave characteristics and wave spectral variations along
Authors
Ling Zhu, Q. Chen, Hongqing Wang, William D. Capurso, L.M. Niemoczynski, Kelin Hu, Gregg Snedden
Analysis of remedial scenarios affecting plume movement through a sole-source aquifer system, southeastern Nassau County, New York
A steady-state three-dimensional groundwater-flow model based on present conditions is coupled with the particle-tracking program MODPATH to assess the fate and transport of volatile organic-compound plumes within the Magothy and upper glacial aquifers in southeastern Nassau County, New York. Particles are forward tracked from locations within plumes defined by surfaces of equal concentration. Par
Authors
Paul E. Misut, Donald A. Walter, Christopher Schubert, Sarken Dressler
Chronic and episodic acidification of streams along the Appalachian Trail corridor, eastern United States
Acidic atmospheric deposition has adversely affected aquatic ecosystems globally. As emissions and deposition of sulfur (S) and nitrogen (N) have declined in recent decades across North America and Europe, ecosystem recovery is evident in many surface waters. However, persistent chronic and episodic acidification remain important concerns in vulnerable regions. We evaluated acidification in 269 he
Authors
Douglas A. Burns, Todd McDonnell, Karen C. Rice, Gregory B. Lawrence, Timothy Sullivan
Declining aluminum toxicity and the role of exposure duration on brook trout mortality in acidified streams of the Adirondack Mountains, New York, USA
Mortality of brook trout Salvelinus fontinalis and water chemistry were characterized in 6 headwater streams in the western Adirondacks of New York during spring 2015, 2016, and 2017 and compared with results from analogous tests done between 1980 and 2003 in many of the same streams, to assess temporal changes in toxicity and inorganic monomeric aluminum (Ali) concentrations, and the role of Ali
Authors
Barry P. Baldigo, Scott George, Gregory B. Lawrence, Eric A. Paul
Slug-test analysis of selected wells at an earthen dam site in southern Westchester County, New York
In 2005, the U.S. Geological Survey began a cooperative study with the New York City Department of Environmental Protection to characterize the local groundwater-flow system and identify potential sources of seeps on the southern embankment of the Hillview Reservoir in southern Westchester County, New York. The earthen embankment comprises low-permeability glacial clays that were excavated from th
Authors
Michael L. Noll, Anthony Chu, William D. Capurso
Recovery of soils from acidic deposition may exacerbate nitrogen export from forested watersheds
Effects of ambient decreases in N deposition on forest N cycling remain unclear as soils recover from acidic deposition. To investigate, repeated soil sampling data were related to deposition, vegetation, and stream data, for 2000–2015 in North and South Buck Creek watersheds, in the Adirondack region of New York, USA. In 63 other Adirondack streams, NO3− concentrations were also compared between
Authors
Gregory B. Lawrence, Sara E. Scanga, Robert D. Sabo
Water for Long Island: Now and for the future
Do you ever wonder where your water comes from? If you live in Nassau or Suffolk County, the answer is, groundwater. Groundwater is water that started out as precipitation (rain and snow melt) and seeped into the ground. This seepage recharges the freshwater stored underground, in the spaces between the grains of sand and gravel in what are referred to as aquifers. Long Island has three primary aq
Authors
John P. Masterson, Robert F. Breault
Chemical and physical controls on mercury source signatures in stream fish from the northeastern United States
Streams in the northeastern U.S. receive mercury (Hg) in varying proportions from atmospheric deposition and legacy point sources, making it difficult to attribute shifts in fish concentrations directly back to changes in Hg source management. Mercury stable isotope tracers were utilized to relate sources of Hg to co-located fish and bed sediments from 23 streams across a forested to urban-industr
Authors
Sarah E. Janssen, Karen Riva-Murray, John F. DeWild, Jacob M. Ogorek, Michael T. Tate, Peter C. Van Metre, David P. Krabbenhoft, James F. Coles
Drinking water quality in the glacial aquifer system, northern USA
Groundwater supplies 50% of drinking water worldwide, but compromised water quality from anthropogenic and geogenic contaminants can limit usage of groundwater as a drinking water source. Groundwater quality in the glacial aquifer system, USA (GLAC), is presented in the context of a hydrogeologic framework that divides the study area into 17 hydrogeologic terranes. Results are reported at aquifer-
Authors
Melinda L. Erickson, Richard M. Yager, Leon J. Kauffman, John T. Wilson
Cross-scale interactions dictate regional lake carbon flux and productivity response to future climate
Lakes support globally important food webs through algal productivity and contribute significantly to the global carbon cycle. However, predictions of how broad-scale lake carbon flux and productivity may respond to future climate are extremely limited. Here, we used an integrated modeling framework to project changes in lake-specific and regional primary productivity and carbon fluxes under 21st
Authors
Jacob Aaron Zwart, Zachary J Hanson, Jordan Read, Michael N. Fienen, Alan F. Hamlet, Diogo Bolster, Stuart E. Jones
Widespread diminishing anthropogenic effects on calcium in freshwaters
Calcium (Ca) is an essential element for almost all living organisms. Here, we examined global variation and controls of freshwater Ca concentrations, using 440 599 water samples from 43 184 inland water sites in 57 countries. We found that the global median Ca concentration was 4.0 mg L−1 with 20.7% of the water samples showing Ca concentrations ≤ 1.5 mg L−1, a threshold considered critical for t
Authors
Gesa A. Weyhenmeyer, Jens Hartmann, Dag O. Hessen, Jiří Kopáček, Josef Hejzlar, Stéphan Jacquet, Stephen K. Hamilton, Piet Verburg, Taylor H. Leach, Martin Schmid, Giovanna Flaim, Tiina Nõges, Peeter Nõges, Valerie C. Wentzky, Michela Rogora, James A. Rusak, Sarian Kosten, Andrew M. Paterson, Katrin Teubner, Scott N. Higgins, Gregory B. Lawrence, Külli Kangur, Ilga Kokorite, Leonardo Cerasino, Clara Funk, Rebecca G. Harvey, Florentina Moatar, Heleen de Wit, Thomas Zechmeister