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Richness, biomass, and nutrient content of a wetland macrophyte community affect soil nitrogen cycling in a diversity-ecosystem functioning experiment
Year Published: 2016

Richness, biomass, and nutrient content of a wetland macrophyte community affect soil nitrogen cycling in a diversity-ecosystem functioning experiment

The development of soil nitrogen (N) cycling in created wetlands promotes the maturation of multiple biogeochemical cycles necessary for ecosystem functioning. This development proceeds from gradual changes in soil physicochemical properties and influential characteristics of the plant community, such as competitive behavior, phenology,...

Korol, Alicia R.; Ahn, Changwoo; Noe, Gregory
Associations of stream health to altered flow and water temperature in the Sierra Nevada, California
Year Published: 2016

Associations of stream health to altered flow and water temperature in the Sierra Nevada, California

Alteration of streamflow and thermal conditions may adversely affect lotic invertebrate communities, but few studies have assessed these phenomena using indicators that control for the potentially confounding influence of natural variability. We designed a study to assess how flow and thermal alteration influence stream health – as indicated by...

Carlisle, Daren M.; S. Mark Nelson; May, Jason
Yosemite Hydroclimate Network: Distributed stream and atmospheric data for the Tuolumne River watershed and surroundings
Year Published: 2016

Yosemite Hydroclimate Network: Distributed stream and atmospheric data for the Tuolumne River watershed and surroundings

Regions of complex topography and remote wilderness terrain have spatially varying patterns of temperature and streamflow, but due to inherent difficulties of access, are often very poorly sampled. Here we present a data set of distributed stream stage, streamflow, stream temperature, barometric pressure, and air temperature from the Tuolumne...

Lundquist, Jessica D.; Roche, James W.; Forrester, Harrison; Moore, Courtney; Keenan, Eric; Perry, Gwyneth; Cristea, Nicoleta; Henn, Brian; Lapo, Karl; McGurk, Bruce; Cayan, Daniel R.; Dettinger, Michael D.
Lundquist, J.D., Roche, J., Forrester, H., Huggett, B., Moore, C., Keenan, E., Perry, G., Cristea, N., Henn, B., Lapo. K., McGurk, B., Cayan, D., and Dettinger, M., 2016, Yosemite Hydroclimate Network—Distributed stream and atmospheric data for the Tuolumne River watershed and surroundings: Water Resources Research (Technical Reports—Data) 52, 2112 p., doi:10.1002/2016WR019261
Accommodation space in a high-wave-energy inner-shelf during the Holocene marine transgression: Correlation of onshore and offshore inner-shelf deposits (0–12 ka) in the Columbia River littoral cell system, Washington and Oregon, USA
Year Published: 2016

Accommodation space in a high-wave-energy inner-shelf during the Holocene marine transgression: Correlation of onshore and offshore inner-shelf deposits (0–12 ka) in the Columbia River littoral cell system, Washington and Oregon, USA

The Columbia River Littoral Cell (CRLC), a high-wave-energy littoral system, extends 160 km alongshore, generally north of the large Columbia River, and 10–15 km in across-shelf distance from paleo-beach backshores to about 50 m present water depths.

Peterson, C. D.; Twichell, D. C.; Roberts, M. C.; Vanderburgh, S.; Hostetler, Steven W.
A revision in hydrogen isotopic composition of USGS42 and USGS43 human-hair stable isotopic reference materials for forensic science
Year Published: 2016

A revision in hydrogen isotopic composition of USGS42 and USGS43 human-hair stable isotopic reference materials for forensic science

The hydrogen isotopic composition (δ2HVSMOW-SLAP) of USGS42 and USGS43 human hair stable isotopic reference materials, normalized to the VSMOW (Vienna-Standard Mean Ocean Water)–SLAP (Standard Light Antarctic Precipitation) scale, was originally determined with a high temperature conversion technique using an elemental analyzer (TC/EA) with a...

Coplen, Tyler B.; Qi, Haiping
Teleconnected ocean forcing of Western North American droughts and pluvials during the last millennium
Year Published: 2016

Teleconnected ocean forcing of Western North American droughts and pluvials during the last millennium

Western North America (WNA) is rich in hydroclimate reconstructions, yet questions remain about the causes of decadal-to-multidecadal hydroclimate variability. Teleconnection patterns preserved in annually-resolved tree-ring reconstructed drought maps, and anomalies in a global network of proxy sea surface temperature (SST) reconstructions, were...

Routson, Cody C.; Woodhouse, Connie A.; Overpeck, Jonathan T.; Betancourt, Julio L.; McKay, Nicholas P.
Near-field receiving water monitoring of trace metals and a benthic community near the Palo Alto Regional Water Quality Control Plant in south San Francisco Bay, California; 2015
Year Published: 2016

Near-field receiving water monitoring of trace metals and a benthic community near the Palo Alto Regional Water Quality Control Plant in south San Francisco Bay, California; 2015

Trace-metal concentrations in sediment and in the clam Macoma petalum (formerly reported as Macoma balthica), clam reproductive activity, and benthic macroinvertebrate community structure were investigated in a mudflat 1 kilometer south of the discharge of the Palo Alto Regional Water Quality Control Plant (PARWQCP) in South San Francisco Bay,...

Cain, Daniel J.; Thompson, Janet K.; Crauder, Jeffrey; Parchaso, Francis; Stewart, Robin; Turner, Matthew; Hornberger, Michelle I.; Luoma, Samuel N.
Cain, D.J., Thompson, J.K., Crauder, Jeff, Parchaso, Francis, Stewart, Robin, Turner, Mathew, Hornberger, M.I., and Luoma, S.N., 2016, Near-field receiving water monitoring of trace metals and a benthic community near the Palo Alto Regional Water Quality Control Plant in south San Francisco Bay, California; 2015: U.S. Geological Survey Open-File Report 2016–1118, 78 p., http://dx.doi.org/10.3133/ofr20161118.
Time-varying land subsidence detected by radar altimetry: California, Taiwan and north China
Year Published: 2016

Time-varying land subsidence detected by radar altimetry: California, Taiwan and north China

Contemporary applications of radar altimetry include sea-level rise, ocean circulation, marine gravity, and ice sheet elevation change. Unlike InSAR and GNSS, which are widely used to map surface deformation, altimetry is neither reliant on highly temporally-correlated ground features nor as limited by the available spatial coverage, and can...

Hwang, Cheinway; Yang, Yuande; Kao, Ricky; Han, Jiancheng; Shum, C.K.; Galloway, Devin L.; Sneed, Michelle; Hung, Wei-Chia; Cheng, Yung-Sheng; Li, Fei
Hwang, C., Yang, Y., Kao, R., Han, J., Shum, C.K., Galloway, D.L., Sneed, M., Hung, W-C, Cheng, Y.S. & Li, F. 2016. Time-varying land subsidence detected by radar altimetry: California, Taiwan and north China. Sci. Rep. 6, 28160; doi: 10.1038/srep28160
Contrasting nitrogen fate in watersheds using agricultural and water quality information
Year Published: 2016

Contrasting nitrogen fate in watersheds using agricultural and water quality information

Surplus nitrogen (N) estimates, principal component analysis (PCA), and end-member mixing analysis (EMMA) were used in a multisite comparison contrasting the fate of N in diverse agricultural watersheds. We applied PCA-EMMA in 10 watersheds located in Indiana, Iowa, Maryland, Nebraska, Mississippi, and Washington ranging in size from 5 to 1254 km2...

Essaid, Hedeff I.; Baker, Nancy T.; McCarthy, Kathleen A.
Essaid, H.I., N.T. Baker, McCarthy, K.A., 2016, Contrasting nitrogen fate in watersheds using agricultural and water quality information, Journal of Environmental Quality, http://dx.doi.org/10.2134/jeq2016.02.0071
Potential corrosivity of untreated groundwater in the United States
Year Published: 2016

Potential corrosivity of untreated groundwater in the United States

Corrosive groundwater, if untreated, can dissolve lead and other metals from pipes and other components in water distribution systems. Two indicators of potential corrosivity—the Langelier Saturation Index (LSI) and the Potential to Promote Galvanic Corrosion (PPGC)—were used to identify which areas in the United States might be more susceptible...

Belitz, Kenneth; Jurgens, Bryant C.; Johnson, Tyler D.
Belitz, Kenneth, Jurgens, B.C., and Johnson, T.D., 2016, Potential corrosivity of untreated groundwater in the United States: U.S. Geological Survey Scientific Investigations Report 2016–5092, 16 p., http://dx.doi.org/10.3133/sir20165092.
High spatio-temporal resolution observations of crater-lake temperatures at Kawah Ijen volcano, East Java, Indonesia
Year Published: 2016

High spatio-temporal resolution observations of crater-lake temperatures at Kawah Ijen volcano, East Java, Indonesia

The crater lake of Kawah Ijen volcano, East Java, Indonesia, has displayed large and rapid changes in temperature at point locations during periods of unrest, but measurement techniques employed to-date have not resolved how the lake’s thermal regime has evolved over both space and time. We applied a novel approach for mapping and monitoring...

Lewicki, Jennifer L.; Corentin CaudronVincent van HinsbergGeorge Hill
Lewicki, J.L., C. Caudron, V. van Hinsberg, and G.E. Hilley, 2016. High spatio-temporal resolution observations of crater-lake temperatures at Kawah Ijen volcano, East Java, Indonesia. Bulletin of Volcanology, 78, doi:10.1007/s00445-016-1049-9.
Biogeochemical controls of uranium bioavailability from the dissolved phase in natural freshwaters
Year Published: 2016

Biogeochemical controls of uranium bioavailability from the dissolved phase in natural freshwaters

To gain insights into the risks associated with uranium (U) mining and processing, we investigated the biogeochemical controls of U bioavailability in the model freshwater speciesLymnaea stagnalis (Gastropoda). Bioavailability of dissolved U(VI) was characterized in controlled laboratory experiments over a range of water hardness, pH, and in the...

Croteau, Marie-Noele; Fuller, Christopher C.; Cain, Daniel J.; Campbell, Kate M.; Aiken, George R.
Croteau et al. Biogeochemical controls of uranium bioavailability from the dissolved phase. Environ. Sci. Technol.

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: 680
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 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 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.
Photo of USGS scientists measuring nutrient levels in Goggin Drain, Utah.
August 8, 2016
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
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 a USGS scientist measuring nutrient levels in Goggin Drain, Utah.
August 8, 2016
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 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.
2016 (approx.)
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 restrict the connectivity...
Sensors are cleaned with an automatic wiper brush on the continuous water-quality monitors. 
July 29, 2016
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, according to a new USGS...
Photo of a spring sampling location along Little Sandy River in southern Wyoming.
July 2016 (approx.)
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 .
Photo of water quality and sampling equipment deployed at spring site near Roaring Judy, Colorado.
July 2016 (approx.)
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 Survey study .
Photo of USGS scientist collecting noble gas sample from spring site near Roaring Judy, Colorado. 
July 2016 (approx.)
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 Survey study .
Aerial picture of Atlanta, Georgia showing paved areas, an example of impervious surfaces.
2016 (approx.)
Impervious Surfaces and Flooding If you are not familiar with the term "impervious surface," this picture of a typical landscape in suburban Atlanta, Georgia, USA, will help explain it. As cities grow and more development occurs, the natural landscape is replaced by roads, buildings, housing developments, and parking lots. The metro Atlanta region has experienced explosive growth over the last 50...
Filter Total Items: 302
INKY Newsletter Logo
August 8, 2016

Welcome to the fourth installment or the “Spring-Summer 2016” version of the IN-KY Newsletter. 

Four numbered sample jars containing brownish water and small snails in a laboratory connected to tubes and electronic meter.
August 4, 2016

To gain insights into the risks associated with uranium mining and processing, U.S. Geological Survey scientists are investigating how uranium moves into and up food chains.

Image shows the brown tributary entering the blue Chattahoochee River from below
August 1, 2016

This EarthWord sounds like some flu meds, but it’s closer to runny rivers than runny noses...

3-D map of Big Thompson Watershed
July 25, 2016

 

Forty years ago on July 31, as Coloradoans and tourists celebrated the state’s centennial, between 12 and 14 inches of rain fell over a four-hour period in the mountains below the resort town of Estes Park, killing 143 people. The 1976 Big Thompson flood stands as the worst natural disaster in Colorado’s recorded history.

A gas plume arising from Augustine Volcano during it's eruptive phase 2005-06.
July 19, 2016

Over the last 30 years in the United States, how many people have died—on average—per year from floods?

Image shows a man standing ankle-deep in a stream with an orange sampler
July 18, 2016

“Whatcha gonna do when they come for you”-thinks this week’s EarthWord...

Image shows a map of all 50 states color-coded for their potential for groundwater corrosivity
July 13, 2016

An analysis of more than 20,000 wells nationwide shows 25 states have groundwater that has either high or very high potential to be corrosive...

USGS scientists use a boat and geophysical equipment to record geological and hydrological conditions in a coastal embayment.
July 12, 2016

New USGS study highlights Cape Cod's risk to rising sea levels

USGS logo
July 11, 2016

On Wednesday, July 13, USGS will release a nationwide study that ranks states’ potential for having corrosive groundwater.