Mission Areas L2 Landing Page Tabs
Water is one of seven science mission areas of the U.S. Geological Survey (USGS). Water's mission is to collect and disseminate reliable, impartial, and timely information that is needed to understand the Nation's water resources.Read Science Plan
The southern Chesapeake Bay region is experiencing land subsidence along with rising sea levels, both of which can contribute to coastal flooding. The rates at which these two processes are occurring are not exactly known. Mapping of land elevation change requires ground-truth survey data at multiple locations that are accurate and precise. With the exception of a few CORS sites that have...
Links to Sources of Water Information
The U.S. Geological Survey (USGS) investigates the occurrence, quantity, quality, distribution, and movement of surface and underground waters and disseminates the data to the public, State and local governments, public and private utilities, and other Federal agencies involved with managing water resources
The map to the left allows you to...
Flooding is a concern for everyone in Louisiana. Floods demand immediate and decisive action by governmental entities, businesses, and individual citizens, all of whom have to make critical decisions that directly impact the extent, duration, and mitigation of losses resulting from flooding. How high will the water get? How long will the flood last? What areas will be affected? What roads will...
1 June 2010
Hurricane season starts today, and the USGS Lower Mississippi Gulf Water Science Center is committed to collecting and providing the most up-to-date information before, during, and after the storms that are sure to come our way. When a hurricane or tropical storm is approaching, accurate and timely storm data are crucial in making good decisions regarding personal safety and...
USGS Information and Links
Hurricane Hazards—A National Threat (fact sheet)
USGS Natural Hazards - Hurricanes
Hurricane Forecast Information
National Hurricane Center—(NWS)
Current Tropical Forecast Information
GOES-8 Atlantic Infrared Imagery
GOES-8 Atlantic Visible Imagery
Earth Scan Laboratory—(LSU)
GOES-8 Atlantic Infrared...
USGS Louisiana Coastal Sites
Hurricane season starts today, and the USGS Lower Mississippi Gulf Water Science Center is committed to collecting and providing the most up-to-date information before, during, and after the storms that are sure to come our way. When a hurricane or tropical storm is approaching, accurate and timely storm data is crucial in making good decisions regarding...
River and Coastal Forecasts
The USGS is not a forecasting agency, but the National Weather Service (NWS) is, and they make extensive use of the data we collect in their effort to provide you with the most accurate and up-to-date forecasts of many Louisiana rivers and streams, and weather along the coast. The links below will provide you with direct access to the NWS forecasts for...
In the mid-1990s, a new technology emerged in the field of inland streamflow monitoring. The South Atlantic Water Science Center is making great use of the acoustic Doppler current profiler (ADCP). It was originally developed for oceanographic work, but was adapted for inland streamflow measurements. This instrument is transforming the U.S. Geological Survey (USGS) streamgaging program.
We partner with the EPA to conduct long-term water-quality and streamflow monitoring and streamflow measurements in the Coeur d’Alene River Basin, which has been widely impacted by historic mining activities. We collect water-quality samples 2-4 times per year at 20 sites throughout the basin. Our scientists analyze these samples for metals, hardness, sediment, and nutrients. In addition, we ...
Hills Creek, Lookout Point, and Dexter Dams are located on the Middle Fork Willamette River upstream of Eugene in western Oregon, and are important resources managed by the U.S. Army Corps of Engineers (USACE) for flood control, hydroelectric power, recreation, navigation, and irrigation. On the South Santiam River east of Albany in western Oregon, Green Peter and Foster Dams provide functions...
Groundwater monitoring in the Deschutes Basin shows water-level declines are larger than might be expected from climate variations alone, raising questions regarding the influence of groundwater pumping, canal lining, and other human influences.
Henry Hagg Lake is a reservoir located in the foothills of the eastern slope of the Coast Range Mountains of northwestern Oregon. The lake is used for recreation in the summer and flood control in the winter.
The USGS collects, analyzes, and distributes data on a wide variety of water-related issues and resources. Much of our data is publicly available through the National Water Information System (NWIS), but additional datasets and analytical tools are also available.Access NWISWeb
Digital Elevation Model of Scoggins Creek Drainage & Henry Hagg Lake
Digital dataset of surface topology for the Scoggins Creek watershed.
Geological Survey of Alabama - Downloadable GIS datasets
Spatial/GIS data sets for Alabama are available numerous spatial data clearinghouses. Spatial/GIS data sets for USGS studies that include Alabama or include parts of Alabama are also available from USGS.
Downloadable GIS Datasets, OGB GIS Datasets, Digital Raster Graphics (DRG), 1:24000 DRG, 1:100000 DRG, 1:250000 DRG, Hazards GIS Data, Hazards Data Water GIS Data, HUC 11 Watersheds
Isotopic characterization of late Neogene travertine deposits at Barrancas Blancas in the eastern Atacama Desert, Chile
Here we explore the potential of spring-related, surface and subsurface carbonates as an archive of paleoenvironmental change at Barrancas Blancas, located in the broadest and driest sector of the Atacama Desert at 24.5°S. From these deposits we present a new stable isotopic record of paleoenvironmental conditions over portions of the past ~ ...Quade, J.; Rasbury, E.T.; Huntington, K.W.; Hudson, Adam; Vonhof, H.; Anchukaitis, K.; Betancourt, Julio L.; Latorre, C.; Pepper, M.
Role of a naturally varying flow regime in Everglades restoration
The Everglades is a low-gradient floodplain predominantly on organic soil that undergoes seasonally pulsing sheetflow through a network of deepwater sloughs separated by slightly higher elevation ridges. The seasonally pulsing flow permitted the coexistence of ridge and slough vegetation, including the persistence of productive, well-connected...Harvey, Judson; Wetzel, Paul R.; Lodge, Thomas E.; Engel, Victor C.; Ross, Michael S.
Degradation of crude 4-MCHM (4-methylcyclohexanemethanol) in sediments from Elk River, West Virginia
In January 2014, approximately 37 800 L of crude 4-methylcyclohexanemethanol (crude MCHM) spilled into the Elk River, West Virginia. To understand the long-term fate of 4-MCHM, we conducted experiments under environmentally relevant conditions to assess the potential for the 2 primary compounds in crude MCHM (1) to undergo biodegradation and (2)...Cozzarelli, Isabelle M.; Akob, Denise M.; Baedecker, Mary; Spencer, Tracey; Jaeschke, Jeanne B.; Dunlap, Darren S.; Mumford, Adam; Poret-Peterson, Amisha T.; Chambers, Douglas B.
Annual estimates of recharge, quick-flow runoff, and ET for the contiguous U.S. using empirical regression equations
This study presents new data-driven, annual estimates of the division of precipitation into the recharge, quick-flow runoff, and evapotranspiration (ET) water budget components for 2000-2013 for the contiguous United States (CONUS). The algorithms used to produce these maps ensure water budget consistency over this broad spatial scale, with...Reitz, Meredith; Sanford, Ward E.; Senay, Gabriel; Cazenas, J.
The land-sea interface: A source of high-quality phytoplankton to support secondary production
Coastal-estuarine systems are among the most productive marine ecosystems and their special role in producing harvestable fish and shellfish has been attributed to high primary production fueled by nutrient runoff from land and efficient trophic transfer. Here we ask if phytoplankton species composition and their food quality based on the...Winder, Monika; Carstensen, Jacob; Galloway, Aaron W.E.; Jakobsen, Hans H.; Cloern, James E.
Novel analyses of long-term data provide a scientific basis for chlorophyll-a thresholds in San Francisco Bay
San Francisco Bay (SFB), USA, is highly enriched in nitrogen and phosphorus, but has been resistant to the classic symptoms of eutrophication associated with over-production of phytoplankton. Observations in recent years suggest that this resistance may be weakening, shown by: significant increases of chlorophyll-a (chl-a) and decreases...Sutula, Martha; Kudela, Raphael; Hagy, James D.; Harding, Lawrence W.; Senn, David; Cloern, James E.; Bricker, Suzanne B.; Beck, Marcus W.; Berg, Gry Mine
A hydrologic drying bias in water-resource impact analyses of anthropogenic climate change
For water-resource planning, sensitivity of freshwater availability to anthropogenic climate change (ACC) often is analyzed with “offline” hydrologic models that use precipitation and potential evapotranspiration (Ep) as inputs. Because Ep is not a climate-model output, an intermediary model of Ep must be introduced to connect the climate model to...Milly, Paul; Dunne, Krista A.
The role of alluvial aquifer sediments in attenuating a dissolved arsenic plume
In a crude-oil-contaminated sandy aquifer at the Bemidji site in northern Minnesota, biodegradation of petroleum hydrocarbons has resulted in release of naturally occurring As to groundwater under Fe-reducing conditions. This study used chemical extractions of aquifer sediments collected in 1993 and 2011–2014 to evaluate the relationship between...Ziegler, Brady A.; Schreiber, Madeline E.; Cozzarelli, Isabelle M.
A field study of selected U.S. Geological Survey analytical methods for measuring pesticides in filtered stream water, June - September 2012
U.S. Geological Survey monitoring programs extensively used two analytical methods, gas chromatography/mass spectrometry and liquid chromatography/mass spectrometry, to measure pesticides in filtered water samples during 1992–2012. In October 2012, the monitoring programs began using direct aqueous-injection liquid chromatography tandem mass...Martin, Jeffrey D.; Norman, Julia E.; Sandstrom, Mark W.; Rose, Claire E.
Atmospheric rivers emerge as a global science and applications focus
Recent advances in atmospheric sciences and hydrology have identified the key role of atmo-spheric rivers (ARs) in determining the distribution of strong precipitation events in the midlatitudes. The growth of the subject is evident in the increase in scientific publications that discuss ARs (Fig. 1a). Combined with related phenomena, that is,...Ralph, F. Martin; Dettinger, Michael; Lavers, David A.; Gorodetskaya, Irina; Martin, Andrew; Viale, Maximilliano; White, Allen; Oakley, Nina; Rutz, Jonathan; Spackman, J. Ryan; Wernli, Heini; Cordeira, Jason
Coastal eolian sand-ramp development related to paleo-sea-level changes during the Latest Pleistocene and Holocene (21–0 ka) in San Miguel Island, California, U.S.A.
Coastal eolian sand ramps (5–130 m elevation) on the northern slope (windward) side of the small San Miguel Island (13 km in W-E length) range in age from late Pleistocene to modern time, though a major hiatus in sand-ramp growth occurred during the early Holocene marine transgression (16–9 ka). The Holocene sand ramps (1–5 m measured thicknesses...Peterson, Curt D.; Erlandson, Jon M.; Stock, Errol; Hostetler, Steven W.; Price, David M.
Evidence of coupled carbon and iron cycling at a hydrocarbon-contaminated site from time lapse magnetic susceptibility
Conventional characterization and monitoring of hydrocarbon (HC) pollution is often expensive and time-consuming. Magnetic susceptibility (MS) has been proposed as an inexpensive, long-term monitoring proxy of the degradation of HC. We acquired repeated down hole MS logging data in boreholes at a HC-contaminated field research site in Bemidji, MN...Lund, Anders L.; Slater, Lee D.; Atekwana, Estella A.; Ntarlagiannis, Dimitrios; Cozzarelli, Isabelle M.; Bekins, Barbara A.
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.
O que é o ciclo da água?
O que é o ciclo da água? Eu posso fácil e simplesmente responder que- o ciclo da água "sou eu"! O ciclo da água, também comumente conhecido como ciclo hidrológico, descreve a existência e o movimento contínuo da água sobre, dentro e acima da Terra. A água da Terra está sempre em movimento e sempre mudando de estado, de liquido para vapor, depois...
Ce este circuitul apei?
Ce este circuitul apei? Se poate raspunde usor - "sunt eu" peste tot! Circuitul apei descrie existenta si miscarea apei pe, in si deasupra Pamantului. Pe Pamant apa este mereu in miscare si isi schimba mereu starea de agregare, din lichid, in vapori, in gheata si ciclul se repeta. Circuitul apei se produce de miliarde de ani si viata pe Pamant depinde de acesta;...
Schéma obehu vody
Mohli by ste si myslie, že každá kvapka daža, ktorá spadne z oblohy alebo každý pohár vody, ktorý vypijete, je z isto novej vody. V skutonosti je to ale stále tá istá voda, ktorá tu je a bola vždy a ktorá je trvalou súasou kolobehu vody!
El Ciclo del Agua
Qué es el ciclo del agua? Fácilmente puedo contestar que...soy "yo"! El ciclo del agua describe la presencia y el movimiento del agua en la Tierra y sobre ella. El agua de la Tierra esta siempre en movimiento y constantemente cambiando de estado, desde líquido, a vapor, a hielo, y viceversa. El ciclo del agua ha estado ocurriendo por billones de años,...
Vad är vattencykeln?
Vad är vattencykeln? Jag svarar utan att tveka att - det är jag! Vattencykeln beskriver förekomsten och rörelsen av vatten inuti, utanpå och utanför jordytan. Jordens vatten rör sig hela tiden, och byter ständigt skepnad, från flytande form till ånga till is och tillbaka igen. Vattencykeln har fungerat på detta vis i flera miljarder år och allt liv...
Su çevrimi nedir?
Su çevrimi nedir? Su çevrimi, yeryüzünde, yeraltında ve atmosferde suyun mevcudiyetini ve hareketlerini tasvir eder. Dünyadaki su daima hareket halindedir, Buz halden sıvı hale, sıvı halden buhar haline ve buhar halinden tekrar sıvı haline dönen suyun bu hareketi süreklilik arz eder. Su çevrimi milyonlarca yıldır devam etmekte olup hayatın mevcudiyeti...
Cikli i Ujit për Fëmijë - The Water Cycle for Schools, Albanian
Shërbimi Gjeologjik i SHBA-ve dhe Organizata e Kombeve të Bashkuara për Bujqësinë dhe Ushqimin (FAO) kanë krijuar një diagramë të ciklit të ujit për shkollat.
Oběh vody pro děti
U.S. Geological Survey (USGS) a Organizace pro výživu a zemědělství pŕi OSN vytvořily schéma oběhu vody pro děti a základní a střední školy.
Decades or longer may be needed to fully assess the effects of unconventional oil and gas production on the quality of groundwater used for drinking water in Arkansas, Louisiana, and Texas
The U.S. Geological Survey in cooperation with Ohio Department of Natural Resources, Ohio Environmental Protection Agency, and the Great Lakes Restoration Initiative is measuring streamflow and collecting nutrient and sediment samples at stream gages in the Western Lake Erie Basin in Northwest Ohio.
Budget Focuses on Core USGS Science and Efficiency
The United States Geological Survey (USGS) operates a network of real-time streamgages that continually record stage and streamflow every 15 to 60 minutes.
A new U.S. Geological Survey study has discovered high levels of radon in wells across certain areas of Pennsylvania.
Gary Moore spent the last three days of 2015 stacking hefty bags of sand in front of a fellow church member’s brick home. With only 1,000 feet between the house and the swelling Mississippi and Meramec Rivers, Moore and other volunteers worked quickly, in frigid temperatures, to assemble a 10-foot high, 1,000-foot-long sandbag wall to ward off floodwaters.
Despite two centuries of scientific study, basic questions persist about geysers—why do they exist? What determines their behavior?
A report published today by the U.S. Geological Survey, in cooperation with the Connecticut Department of Public Health, reveals that water from some private wells across the state has registered high levels of Arsenic and Uranium.
Reporters: Do you want to interview USGS scientists as they measure flooding? Please contact Jennifer LaVista.
Starting on May 2 and lasting for about two days, a helicopter towing a large, cylindrical sensor will make low-level flights over parts of Cedar Rapids as part of a groundwater survey.
USGS model simulations suggest that Walker Lake will rise by as much as 15 to 18 feet this year, the most in a single year in recorded history.
While freshwater ecosystems cover only a small amount of the land surface in Alaska, they transport and emit a significant amount of carbon, according to new U.S. Geological Survey research. An invited feature article for Ecological Applications provides the first-ever major aquatic carbon flux assessment for the entire state. Carbon flux refers to the rate of carbon transfer between pools.