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Water Resources

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Filter Total Items: 15,341
Year Published: 2018

Year-round presence of neonicotinoid insecticides in tributaries to the Great Lakes, USA

To better characterize the transport of neonicotinoid insecticides to the world's largest freshwater ecosystem, monthly samples (October 2015–September 2016) were collected from 10 major tributaries to the Great Lakes, USA. For the monthly tributary samples, neonicotinoids were detected in every month sampled and five of the six target...

Hladik, Michelle; Corsi, Steven R.; Kolpin, Dana W.; Baldwin, Austin K.; Blackwell, Brett R.; Cavallin, Jenna E.
Hladik, M.L., Corsi, S.R., Kolpin, D.W., Baldwin, A.K., Blackwell, B.R., Cavallin, J.E., 2018, Perennial presence of neonicotinoid insecticides in tributaries to The Great Lakes, USA, Env. Pollut.

Year Published: 2018

Alternate wetting and drying decreases methylmercury in flooded rice (Oryza sativa) systems

In flooded soils, including those found in rice (Oryza sativa L.) fields, microbes convert inorganic Hg to more toxic methylmercury (MeHg). Methylmercury is accumulated in rice grain, potentially affecting health. Methylmercury in rice field surface water can bioaccumulate in wildlife. We evaluated how introducing aerobic periods into an...

Tanner, K. Christy; Windham-Myers, Lisamarie; Marvin-DiPasquale, Mark C.; Fleck, Jacob; Linquist, Bruce A.
Tanner, K.C., Windham-Myers, L., Marvin-DiPasquale, M., Fleck, J.A., and Linquist, B.A., 2017, Alternate Wetting and Drying Decreases Methylmercury in Flooded Rice (Oryza sativa) Systems: Soil Science Society of America Journal. [early on-line], doi:10.2136/sssaj2017.05.0158

Year Published: 2018

Regional variability of nitrate fluxes in the unsaturated zone and groundwater, Wisconsin, USA

Process-based modeling of regional NO3− fluxes to groundwater is critical for understanding and managing water quality, but the complexity of NO3− reactive transport processes make implementation a challenge. This study introduces a regional vertical flux method (VFM) for efficient estimation of reactive transport of NO3− in the vadose zone and...

Green, Christopher T.; Liao, Lixia; Nolan, Bernard T.; Juckem, Paul F.; Shope, Christopher L.; Tesoriero, Anthony J.; Jurgens, Bryant
Attribution: Water Resources,
Green, C. T., Liao, L., Nolan, B. T., Juckem, P. F., Shope, C. L., Tesoriero, A. J., & Jurgens, B. C. (2018). Regional variability of nitrate fluxes in the unsaturated zone and groundwater, Wisconsin, USA. Water Resources Research, 54. https://doi.org/10.1002/2017WR022012

Year Published: 2018

Snow sublimation in mountain environments and its sensitivity to forest disturbance and climate warming

Snow sublimation is an important component of the snow mass balance, but the spatial and temporal variability of this process is not well understood in mountain environments. This study combines a process‐based snow model (SnowModel) with eddy covariance (EC) measurements to investigate (1) the spatio‐temporal variability of simulated snow...

Sexstone, Graham A.; Clow, David W.; Fassnacht, Steven R.; Liston, Glen E.; Hiemstra, Christopher A.; Knowles, John F.; Penn, Colin A.
Sexstone, G. A., Clow, D. W., Fassnacht, S. R., Liston, G. E., Hiemstra, C. A., Knowles, J. F., & Penn, C. A. (2018). Snow sublimation in mountain environments and its sensitivity to forest disturbance and climate warming. Water Resources Research, 54,1191–1211. https://doi.org/10.1002/2017WR021172

Year Published: 2018

Flood of August 24–25, 2016, Upper Iowa River and Turkey River, northeastern Iowa

Major flooding occurred August 24–25, 2016, in the Upper Iowa River Basin and Turkey River Basin in northeastern Iowa following severe thunderstorm activity over the region. About 8 inches of rain were recorded for the 24-hour period ending at 4 p.m., August 24, at Decorah, Iowa, and about 6 inches of rain were recorded for the 24-hour period...

Linhart, S. Mike; O'Shea, Padraic S.
Linhart, S.M., and O’Shea, P.S., 2018, Flood of August 24–25, 2016, Upper Iowa River and Turkey River, northeastern Iowa: U.S. Geological Survey Open-File Report 2017–1128, 20 p., with appendix, https://doi.org/10.3133/ofr20171128.

Year Published: 2018

Potential for western US seasonal snowpack prediction

Western US snowpack—snow that accumulates on the ground in the mountains—plays a critical role in regional hydroclimate and water supply, with 80% of snowmelt runoff being used for agriculture. While climate projections provide estimates of snowpack loss by the end of th ecentury and weather forecasts provide predictions of weather conditions out...

Kapnick, Sarah B.; Yang, Xiaosong; Vecchi, Gabriel A.; Delworth, Thomas L.; Gudgel, Rich; Malyshev, Sergey; Milly, Paul C. D.; Shevliakova, Elena; Underwood, Seth; Margulis, Steven A.
Attribution: Water Resources,

Year Published: 2018

High‐elevation evapotranspiration estimates during drought: Using streamflow and NASA Airborne Snow Observatory SWE observations to vlose the upper Tuolumne River Basin eater balance

Hydrologic variables such as evapotranspiration (ET) and soil water storage are difficult to observe across spatial scales in complex terrain. Streamflow and lidar‐derived snow observations provide information about distributed hydrologic processes such as snowmelt, infiltration, and storage. We use a distributed streamflow data set across eight...

Henn, Brian; Painter, Thomas H.; Bormann, Kathryn J.; McGurk, Bruce; Flint, Alan L.; Flint, Lorraine E.; White, Vince; Lundquist, Jessica D.
Henn, B., Painter, T.H., Bormann, K.J., McGurk, B., Flint, A.L., Flint, L.E., White, V. and Lundquist, J.D., 2018. High‐Elevation Evapotranspiration Estimates During Drought: Using Streamflow and NASA Airborne Snow Observatory SWE Observations to Close the Upper Tuolumne River Basin Water Balance. Water Resources Research, 54(2), p. 746-766, https://doi.org/10.1002/2017WR020473. [First published 09 January 2018; corrected 22 February 2018]

Year Published: 2018

Bathymetry of Ashokan, Cannonsville, Neversink, Pepacton, Rondout, and Schoharie Reservoirs, New York, 2013–15

Drinking water for New York City is supplied from several large reservoirs, including a system of reservoirs west of the Hudson River. To provide updated reservoir capacity tables and bathymetry maps of the City’s six West of Hudson reservoirs, bathymetric surveys were conducted by the U.S. Geological Survey from 2013 to 2015. Depths were surveyed...

Nystrom, Elizabeth A.
Nystrom, E.A., 2018, Bathymetry of Ashokan, Cannonsville, Neversink, Pepacton, Rondout, and Schoharie Reservoirs, New York, 2013–15 (ver. 1.2, November 2018): U.S. Geological Survey Scientific Investigations Report 2017–5064, 29 p., https://doi.org/10.3133/sir20175064.

Year Published: 2018

A tool for efficient, model-independent management optimization under uncertainty

To fill a need for risk-based environmental management optimization, we have developed PESTPP-OPT, a model-independent tool for resource management optimization under uncertainty. PESTPP-OPT solves a sequential linear programming (SLP) problem and also implements (optional) efficient, “on-the-fly” (without user intervention) first-order, second-...

White, Jeremy; Fienen, Michael N.; Barlow, Paul M.; Welter, Dave E.
White, J. T., Fienen, M. N., Barlow, P. M., and Welter, D.E. (2017) A tool for efficient, model-independent management optimization under uncertainty. Environmental Modeling and Software. doi:10.1016/j.envsoft.2017.11.019

Year Published: 2018

Assessing the influence of multiple stressors on stream diatom metrics in the upper Midwest, USA

Water resource managers face increasing challenges in identifying what physical and chemical stressors are responsible for the alteration of biological conditions in streams. The objective of this study was to assess the comparative influence of multiple stressors on benthic diatoms at 98 sites that spanned a range of stressors in an...

Munn, Mark D.; Waite, Ian R.; Konrad, Christopher P.
Munn, M.D., I. Waite, and C.P. Konrad. 2017. Assessing the influence of multiple stressors on stream diatom metrics in the upper Midwest, USA. Ecological Indicators. https://doi.org/10.1016/j.ecolind.2017.09.005

Year Published: 2018

Leaching and sorption of neonicotinoid insecticides and fungicides from seed coatings

Seed coatings are a treatment used on a variety of crops to improve production and offer protection against pests and fungal outbreaks. The leaching of the active ingredients associated with the seed coatings and the sorption to soil was evaluated under laboratory conditions using commercially available corn and soybean seeds to study the fate and...

Smalling, Kelly L.; Hladik, Michelle; Sanders, Corey; Kuivila, Kathryn
Kelly L. Smalling, Michelle L. Hladik, Corey J. Sanders & Kathryn M. Kuivila (2017): Leaching and sorption of neonicotinoid insecticides and fungicides from seed coatings, Journal of Environmental Science and Health, Part B, DOI: 10.1080/03601234.2017.1405619

Year Published: 2018

On factors influencing air-water gas exchange in emergent wetlands

Knowledge of gas exchange in wetlands is important in order to determine fluxes of climatically and biogeochemically important trace gases and to conduct mass balances for metabolism studies. Very few studies have been conducted to quantify gas transfer velocities in wetlands, and many wind speed/gas exchange parameterizations used in...

Ho, David T.; Engel, Victor C.; Ferron, Sara; Hickman, Benjamin; Choi, Jay; Harvey, Judson W.
Attribution: Water Resources,

The USGS produces many types of multimedia products. Use the links below to browse our offerings of photograph galleries, podcasts and sound files, videos, aerial photos, and posters related to water. The USGS Newsroom has a Web page that highlights the main collection of multimedia products.

Filter Total Items: 1,355
Photo of USGS scientists conducting a study on the Great Salt Lake.
August 9, 2016

USGS scientists conducting a study on the Great Salt Lake

USGS scientists conducting a study on the Great Salt Lake to gain a better understanding of nutrient levels, which could help determine how to best manage algal bloom outbreaks.

Photo of a USGS scientist measuring nutrient levels in Goggin Drain, Utah.
August 8, 2016

USGS scientist measures nutrient levels

USGS scientist Mike Freeman measures nutrient levels in Goggin Drain, Utah. USGS scientists are conducting an experimental study on two Utah water bodies to gain a better understanding of nutrient levels, which could help determine how to best manage algal bloom outbreaks.

Photo of USGS scientists measuring nutrient levels in Goggin Drain, Utah.
August 8, 2016

USGS scientists measure nutrient levels

USGS scientists Christopher L. Shope, Bryan Downing, Katy O'Donnell and Mike Freeman measure nutrient levels in Goggin Drain, Utah. USGS scientists are conducting an experimental study on two Utah water bodies to gain a better understanding of nutrient levels, which could help determine how to best manage algal bloom outbreaks.

Photo of USGS scientists measuring nutrient levels in Goggin Drain, Utah.
August 8, 2016

Scientists measure nutrient levels

USGS scientists Christopher L. Shope, Bryan Downing, Katy O'Donnell and Mike Freeman measure nutrient levels in Goggin Drain, Utah. USGS scientists are conducting an experimental study on two Utah water bodies to gain a better understanding of nutrient levels, which could help determine how to best manage algal bloom outbreaks.

Photo of USGS scientists measuring nutrient levels in Goggin Drain, Utah.
August 8, 2016

Utah Nutrient Study

USGS scientists Bryan Downing, Mike Freeman and Katy O'Donnell measure nutrient levels in Goggin Drain, Utah. USGS scientists are conducting an experimental study on two Utah water bodies to gain a better understanding of nutrient levels, which could help determine how to best manage algal bloom outbreaks.

Photo of USGS water-quality instruments to measure nutrient levels
August 8, 2016

USGS water-quality instruments to measure nutrient levels

USGS scientists use multiple high-frequency water quality instruments contained in a cage to measure nutrients and algal changes in surface water. Scientists are conducting an experimental study on two Utah water bodies to gain a better understanding of nutrient levels, which could help determine how to best manage algal bloom outbreaks.

August 3, 2016

USGS Groundwater Monitoring Well Redevelopment Using Air Lift Method

This video documents a U.S. Geological Survey technical procedure for groundwater well redevelopment using the air lift method. Over time, groundwater wells may become partially or even fully blocked by accumulation of materials at the well screen or openings. This blockage is typically the result of sediment, chemical, or biological accumulation of materials which may

...
Attribution: Water Resources
Sensors are cleaned with an automatic wiper brush on the continuous water-quality monitors. 
July 29, 2016

Water-quality sensors kept clean for harmful algal bloom monitoring

Sensors are cleaned with an automatic wiper brush on the continuous water-quality monitors. 

Two decades of harmful algal bloom, nutrient and sediment research by the USGS is helping to support Wichita’s long-term vision of a sustainable water supply into the future. Early warning indicators of harmful algal blooms have been developed for Cheney Reservoir, Kansas,

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Photo of a spring sampling location along Little Sandy River in southern Wyoming.
July 20, 2016

Spring sampling in Wyoming

Spring sampling location along Little Sandy River in southern Wyoming. Groundwater discharge that flows into the Upper Colorado River Basin varies in response to drought, which is likely due to aquifer systems that contain relatively young groundwater, according to a new U.S. Geological Survey study

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Photo of USGS scientist collecting noble gas sample from spring site near Roaring Judy, Colorado. 
July 20, 2016

USGS scientist collects noble gas sample from spring site

USGS scientist collects noble gas sample from spring site near Roaring Judy, Colorado. Groundwater discharge that flows into the Upper Colorado River Basin varies in response to drought, which is likely due to aquifer systems that contain relatively young groundwater, according to a new U.S. Geological

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Photo of water quality and sampling equipment deployed at spring site near Roaring Judy, Colorado.
July 20, 2016

Water quality and sampling at spring site

Water quality and sampling equipment deployed at spring site near Roaring Judy, Colorado. Groundwater discharge that flows into the Upper Colorado River Basin varies in response to drought, which is likely due to aquifer systems that contain relatively young groundwater, according to a new U.S. Geological

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Harmful algal blooms turn lake water emerald green
July 17, 2016

Harmful algal blooms turn lake water emerald green

Harmful algal blooms turn water in Milford Lake emerald green

Filter Total Items: 387
Date published: August 31, 2010

Media Advisory: POSTPONED: Missouri River Will Be Dyed Red for Water Study

The Missouri River will be dyed red for a water flow study being conducted by the U.S. Geological Survey and the Montana Department of Environmental Quality.

Attribution: Water Resources
Date published: August 26, 2010

Media Advisory: Missouri River Will Be Dyed Red for Water Study

The Missouri River will be dyed red for a water flow study being conducted by the U.S. Geological Survey and the Montana Department of Environmental Quality.

Attribution: Water Resources
Date published: June 4, 2004

June 7 - Fifty Years of Interstate Water Management

It’s 1954, and the residents of New York City are facing another hot summer. For more than a century, the City has been augmenting its water supply to meet the demands of a growing city. The City, along with New York State, is in a legal dispute with three states over a water supply source.

Attribution: Water Resources
Filter Total Items: 1,828