Unified Interior Regions

Region 4: Mississippi Basin

Regions L2 Landing Page Tabs

Filter Total Items: 238
Date published: December 7, 2018
Status: Active

Arkoma Basin Oil and Gas Assessments

The U.S. Geological Survey completed the following assessments of undiscovered oil and gas resources of the Arkoma Basin Province 5062.

     

    Date published: December 7, 2018
    Status: Active

    Ozark Uplift Oil and Gas Assessments

    The U.S. Geological Survey completed the following assessments of undiscovered oil and gas potential of the Ozark Uplift Province (5057).

    Date published: December 7, 2018
    Status: Archived

    Forest City Basin Oil and Gas Assessments

    The U.S. Geological Survey completed the following assessments of undiscovered oil and gas potential of the Forest City Basin Province (5056).

       

      Date published: December 7, 2018
      Status: Active

      Iowa Shelf Oil and Gas Assessments

      The U.S. Geological Survey completed the following assessments of undiscovered oil and gas potential of the Iowa Shelf Province (5052).

         

        Date published: November 30, 2018
        Status: Completed

        Black Warrior Basin Oil and Gas Assessments

        The U.S. Geological Survey completed the following assessments of undiscovered oil and gas resources of the Black Warrior Basin Province 5065.

        Date published: November 30, 2018
        Status: Active

        Illinois Basin Oil and Gas Assessments

        The U.S. Geological Survey completed the following assessments of undiscovered continuous oil and gas resources of the  Illinois Basin Province 5064.

          Date published: November 30, 2018
          Status: Active

          Cherokee Platform Oil and Gas Assessments

          The U.S. Geological Survey completed the following assessments of undiscovered oil and gas potential of the Cherokee Platform Province 5060 in Western Oklahoma, Southeast Kandas and Western Missouri.

            Date published: November 29, 2018
            Status: Active

            Gulf Coast Petroleum Systems Project - Research

            This site highlights the research on the processes that impact the formation, accumulation, occurrence, and alteration of hydrocarbon energy resources of the Gulf Coast of Mexico. The project also conducts assessments of undiscovered, technically recoverable hydrocarbon resources. The Gulf Coast Petroleum Systems Project focuses on the onshore and State waters portion of the Gulf Coast basin,...

            Date published: November 28, 2018
            Status: Active

            Natural Drought and Flood Histories from Lacustrine Archives

            Previous work performed as part of the USGS Holocene Synthesis project illuminated complex centennial-scale patterns of drought and wetter-than-average conditions across the North American continent interior during the past two millennia, where paleorecord data coverage is sparse.  In order to explain the patterns of naturally-occurring drought, floods, and storms for the past, identified by...

            Date published: November 1, 2018
            Status: Active

            Using Molecular Tools to Recalibrate Freshwater Mussel Taxonomy with a Focus on Imperiled Species

            Freshwater mussels of the family Unionidae, also known as naiads, pearly mussels, freshwater clams, or unionids, are a diverse group of bivalve mollusks that are distributed on every continent except Antarctica. Approximately 300 species are known from the United States, with most of this diversity residing in rivers of the Southeast where many endemic taxa have evolved.

            Date published: October 31, 2018
            Status: Active

            Iowa Flood Information

            The USGS provides practical, unbiased information about the Nation's rivers and streams that is crucial in mitigating hazards associated with floods.  This site provides information about flooding that has occurred in Iowa.

            Real-time information on floods in Iowa is available throught the USGS National Water Information System (NWIS)....

            Date published: October 29, 2018
            Status: Completed

            Barrier Island Evolution - Geologic Analysis

            Quantifying changes in morphology and sediment distribution over short time scales will demonstrate how geologic variability influences medium-term barrier island response and near-term barrier island trajectories and help to refine sedimentological boundary conditions for morphologic evolution models.

            Filter Total Items: 70
            Date published: July 7, 2017

            Real-time Water Use Sites - Arkansas

            To view real-time water use sites for Arkansas click here.

            Date published: July 7, 2017

            Real Time Sediment Concentrations - Arkansas

            To view real time sediment concentrations for Arkansas click here.

            Date published: July 7, 2017

            Real Time Nitrate Readings - Arkansas

            To see real time nitrate readings for Arkansas click here.

            Date published: July 7, 2017

            Arkansas Water Quality Mapper

            To view the Arkansas Water Quality Mapper GIS interactive map click here.

            Date published: July 7, 2017

            Arkansas StreamStats

            To see detailed information on Arkansas StreamStats as well as an interactive map click here.

            Date published: July 7, 2017

            Arkansas Sparta Recovery Groundwater Network

            To see site information for the Arkansas Sparta Recovery Groundwater Network click here.

            Date published: July 7, 2017

            Arkansas Northern Lonoke County Groundwater Network

            To see the map and site information for the Arkansas Northern Lonoke County Groundwater Network click here.

            Date published: July 7, 2017

            Groundwater Watch - Hot Springs National Park - Arkansas

            Use this interactive map to see information on the Arkansas Hot Springs National Park Groundwater Network. To see the map click here.

            Date published: July 7, 2017

            Arkansas Natural Resources Commission Groundwater Network

            To see the map of the Arkansas Natural Resources Commission Groundwater Network wells click here.

            Date published: July 7, 2017

            Groundwater Watch - Arkansas

            Use this interactive map to see information for the Arkansas Active Water Level Network. To see the map click here.

            Date published: July 7, 2017

            Rating Curve Retrieval - Arkansas

            To get rating curve retrievals for the state of Arkansas click here.

            Date published: July 5, 2017

            Buffalo National River Floating Conditions - Arkansas

            This interactive map will show real time current floating conditions for the Buffalo National River in Arkansas. You can also see information on camping, picnic areas, boat launch sites, trails and concessionaires. To view the map click here.

            Filter Total Items: 4,534
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            Year Published: 2021

            Optimal allocation of law enforcement patrol effort to mitigate poaching activities

            Poaching is a global problem causing the decline of species worldwide. Optimizing the efficiency of ranger patrols to deter poaching activity at the lowest possible cost is crucial for protecting species with limited resources. We applied decision analysis and spatial optimization algorithms to allocate efforts of ranger patrols throughout a...

            Moore, Jennifer F.; Udell, Bradley; Martin, Julien; Turikunkiko, Ezechiel; Masozera, Michel K.

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            Year Published: 2021

            Evaluation and application of the Purge Analyzer Tool (PAT) to determine in-well flow and purge criteria for sampling monitoring wells at the Stringfellow Superfund site in Jurupa Valley, California, in 2017

            The U.S. Geological Survey and U.S. Environmental Protection Agency are developing analytical tools to assess the representativeness of groundwater samples from fractured-rock aquifers. As part of this effort, monitoring wells from the Stringfellow Superfund site in Jurupa Valley in Riverside County, California, approximately 50 miles east of Los...

            Harte, Philip T.; Perina, Tomas; Becher, Kent; Levine, Herb; Rojas-Mickelson, Daewon; Walther, Lesley; Brown, Anthony
            Harte, P.T., Perina, T., Becher, K., Levine, H., Rojas-Mickelson, D., Walther, L., and Brown, A., 2021, Evaluation and application of the Purge Analyzer Tool (PAT) to determine in-well flow and purge criteria for sampling monitoring wells at the Stringfellow Superfund site in Jurupa Valley, California, in 2017: U.S. Geological Survey Scientific Investigations Report 2020–5140, 54 p., https://doi.org/10.3133/sir20205140.

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            Year Published: 2021

            Embryo deformities and nesting trends in Kemp’s ridley sea turtles Lepidochelys kempii before and after the Deepwater Horizon oil spill

            Kemp’s ridley sea turtles Lepidochelys kempii were disproportionately affected by the Deepwater Horizon (DWH) oil spill, which began on 20 April 2010. Embryo deformities were documented in inviable L. kempii eggs before (2008-2010) and after (2011-2013) the DWH spill in 2 Texas (USA) nesting areas (Upper Texas Coast...

            Shaver, Donna J.; Gredzens, Christian; Walker, J. Shelby; Godard-Codding, Céline A. J.; Yacabucci, Janet E.; Frey, Amy; Dutton, Peter H.; Schmitt, Christopher J.

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            Year Published: 2021

            Assessment of water quality and discharge in the Herring River, Wellfleet, Massachusetts, November 2015 to September 2017

            The U.S. Geological Survey, Cape Cod National Seashore of the National Park Service, and Friends of Herring River cooperated from 2015 to 2017 to assess nutrient concentrations and fluxes across the ocean-estuary boundary at a dike on the Herring River in Wellfleet, Massachusetts. The purpose of this assessment was to characterize environmental...

            Huntington, Thomas G.; Spaetzel, Alana B.; Colman, John A.; Kroeger, Kevin D.; Bradley, Robert T.
            Huntington, T.G., Spaetzel, A.B., Colman, J.A., Kroeger, K.D., and Bradley, R.T., 2021, Assessment of water quality and discharge in the Herring River, Wellfleet, Massachusetts, November 2015 to September 2017: U.S. Geological Survey Scientific Investigations Report 2020–5120, 59 p., https://doi.org/10.3133/sir20205120.

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            Year Published: 2021

            Per- and polyfluoroalkyl substances (PFAS) in New Hampshire soils and biosolids

            The U.S. Geological Survey, in cooperation with the New Hampshire Department of Environmental Services, is undertaking a study on per- and polyfluoroalkyl substances (PFAS) in soils and biosolids. The study will characterize PFAS concentrations in shallow soil and selected biosolids throughout the State of New Hampshire, conduct laboratory...

            Tokranov, Andrea K.; Schlosser, Kate Emma A.; Marts, Jeffrey M.; Drouin, Anthony F.; Santangelo, Leah M.; Welch, Sydney M.
            Tokranov, A.K., Schlosser, K.E.A., Marts, J.M., Drouin, A.F., Santangelo, L.M., and Welch, S.M., 2021, Per- and polyfluoroalkyl substances (PFAS) in New Hampshire soils and biosolids: U.S. Geological Survey General Information Product 208, 2 p., https://doi.org/10.3133/gip208.

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            Year Published: 2021

            Enumerating white-tailed deer using unmanned aerial vehicles

            The white‐tailed deer (Odocoileus virginianus) is an ecologically important species in forests of North America. Effective management of forests requires accurate, precise estimates of deer population abundance to plan and justify management actions. Spotlight surveys in combination with distance sampling are a common method of estimating deer...

            Preston, Todd M.; Wildhaber, Mark L.; Green, Nicholas S.; Albers, Janice L.; Debenedetto, Geoffrey P.

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            Year Published: 2021

            Machine learning models of arsenic in private wells throughout the conterminous United States as a tool for exposure assessment in human health studies

            Arsenic from geologic sources is widespread in groundwater within the United States (U.S.). In several areas, groundwater arsenic concentrations exceed the U.S. Environmental Protection Agency maximum contaminant level of 10 μg per liter (μg/L). However, this standard applies only to public-supply drinking water and not to private-supply, which is...

            Lombard, Melissa; Scannell Bryan, Molly; Jones, Daniel K.; Bulka, Catherine; Bradley, Paul; Backer, Lorraine C.; Focazio, Michael J.; Silverman, Debra T.; Toccalino, Patricia; Argos, Maria; Gribble, Matthew O.; Ayotte, Joseph D.

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            Year Published: 2021

            Gulf Coast vicariance shapes phylogeographic history of a North American freshwater mussel species complex

            AimFreshwater mussels share habitat and are parasites of freshwater fishes during the larval life stage. Therefore, models of fish biogeography may also explain the historical biogeography of freshwater mussels. We tested this assumption using predictions of three biogeographic models constructed for northern Gulf of Mexico drainages on a...

            Keogh, Sean M.; Johnson, Nathan; Williams, James D.; Randklev, Charles R.; Simons, Andrew

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            Year Published: 2021

            Population density and stream-habitat relations of the Yellowcheek Darter (Nothonotus moorei) among the headwaters of the Little Red River in Arkansas

            Nothonotus moorei (Yellowcheek Darter [YCD]) is an endangered species endemic to the headwaters of the Little Red River in north-central Arkansas. Population decline, habitat loss and fragmentation, and threats from land use and seasonal drought necessitate monitoring of population density and distribution to determine ecological and habitat...

            Driver, Lucas; Justus, Billy

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            Year Published: 2021

            Assessment of peak flow scaling and Its effect on flood quantile estimation in the United Kingdom

            Regional flood frequency analysis (RFFA) methods are essential tools to assess flood hazard and plan interventions for its mitigation. They are used to estimate flood quantiles when the at‐site record of streamflow data is not available or limited. One commonly used RFFA method is the index flood method (IFM), which assumes that peak floods...

            Formetta, Giuseppe; Over, Thomas M.; Stewart, Elizabeth

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            Year Published: 2021

            Simulation of dissolved organic carbon flux in the Penobscot Watershed, Maine

            Dissolved organic carbon (DOC) is an important component of the carbon cycle as a measure of the hydrological transport of carbon between terrestrial carbon pools into soil pools and eventually into streams. As a result, changes in DOC in rivers and streams may indicate alterations in the storage of terrestrial carbon. Exploring the complex...

            Rouhani, Shabnam; Schaaf, Crystal B.; Huntington, Thomas; Choate, Janet

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            Year Published: 2021

            Reproduction

            Lake charr Salvelinus namaycush are typically fall spawners although one ecotype has populations that spawn during spring and fall (siscowets in Lake Superior). Lake charr are iteroparous (reproduce more than once in a lifetime) with group-synchronous ovarian development and typically spawn once per year. However, lake charr may not...

            W. Goetz, Frederick; Marsden, J. Ellen; Richter, Catherine A.; Tillitt, Donald E.; Sitar, Shawn P.; Riley, Stephen; Krueger, Charles C.

            Filter Total Items: 220
            Cedar Rapids
            December 31, 2017

            Pilot and Crew Discussing Flight Plan for collecting AEM Data

            Helicopter pilot and crew discussing flight plan and data collection before lifting off.

            Cedar Rapids
            December 31, 2017

            Helicopter Lifting Off to Start a Data Collection Run for EM Data

            Helicopter lifting off to start a data collection run.

            A Cuban treefrog on a green leaf
            November 13, 2017

            Cuban treefrogs have leaped into Louisiana

            Non-native Cuban treefrogs have established a breeding population in New Orleans, Louisiana, the first such population on the U.S. mainland outside Florida. The treefrogs were discovered at the Audubon Zoo shortly after a shipment of palm trees from Florida were planted in the zoo's elephant enclosure in 2016. USGS scientist Brad Glorioso confirmed the presence of a

            ...
            November 9, 2017

            Image of the Week - Isle de Jean Charles, Louisiana

            Off the coast of Louisiana, the small Isle de Jean Charles has nearly been swallowed by the ocean. Only about 2% of the land mass remains compared to it's size in the 1950s.
             

            September 30, 2017

            USGS Hurricane Preparedness

            Before a hurricane, USGS Scientists undertake a data collection effort of a grand scale. They install a temporary mobile network of sensors along the coasts to collect additional data on the intensity of storm surge, one of the most dangerous elements of a hurricane. This effort provides critical information that allows various USGS partners and emergency responders to

            Microscopic video imaging is used for computerized analysis of sperm motility parameters
            September 20, 2017

            Microscopic video imaging is used for computerized analysis of sperm m

            Photomicroscopy and Flow Cytometry Laboratory — Lafayette, Louisiana. Microscopic video imaging is used for computerized analysis of sperm motility parameters

            August 31, 2017

            Image of the Week: Hurricane Harvey Inundates Gulf Coast

            Hurricane Harvey made landfall on August 25th. Over the next few days, record rain totals had devastated the area.

            At the USGS EROS Center, we study land change, operate the Landsat satellites, and maintain the longest, continuously acquired collection of images of the Earth's land surface.

            USGS EROS Center (

            Satellite picture of Hurricane Harvey
            August 26, 2017

            Hurricane Harvey Inundates Gulf Coast

            Hurricane Harvey made landfall on the Gulf Coast of Texas as a Category 4 hurricane on the night of August 25, 2017. It then stalled over southeastern Texas as a tropical storm and continued to creep northeast over Louisiana.

            August 7, 2017

            Developing Effective Drought Monitoring Tools for Farmers and Ranchers

            This webinar was conducted on August 7, 2017 as part of the USGS National Climate Change and Wildlife Science Center’s Climate Change Science and Management Webinar Series, held in partnership with the USFWS National Conservation Training Center. 

            Webinar Summary: The South Central U.S. is one of the main agricultural regions in North America: annual agricultural

            chart of vegetation change in the bird's foot delta
            July 31, 2017

            Changing vegetation in the Delta 2016-2017

            Chart showing changes in vegetation density in the Mississippi River delta in Louisiana, May 2015-May 2016. From a USGS Open File Report published in July 2017 by co-authors Elijah Ramsey III and Amina Rangoonwala,

            Aerial view of southeast Louisiana coastal marshes
            July 10, 2017

            Louisiana's Coastal Wetland Loss Rate Continues to Slow

            An aerial view of southeast Louisiana coastal marshes. 

            Satellite images of the same marsh in 2008 and 2016
            July 10, 2017

            Restoration projects help some Louisiana coastal wetlands rebuild

            Satellite images of the same wetland taken in 2008 and 2016 show a wetland restoration project has produced some gains in marsh area.

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            Measuring Streamflow
            May 11, 2017

            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.

            USGS hydrologic technician Christopher Rowden verifies the accuracy of streamgage information at the Jacks Fork River.
            April 30, 2017

            Reporters: Do you want to interview USGS scientists as they measure flooding? Please contact Jennifer LaVista.

            Low-flying helicopter survey
            April 27, 2017

            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.

            Photo of a young girl drinking water, which likely originated from groundwater sources. 
            January 19, 2017

            A regional assessment of untreated groundwater in the Coastal Lowlands aquifer system in the southeastern United States is now available from the U.S. Geological Survey.

            Photo of a young girl drinking water, which likely originated from groundwater sources. 
            January 19, 2017

            A regional assessment of untreated groundwater in the Southeastern Coastal Plain aquifer system is now available from the U.S. Geological Survey.

            This picture was taken June 23, 2010 along the Louisiana shoreline in Barataria Bay and shows oil spilled from Deepwater Horizon
            November 17, 2016

            A new USGS-NASA study found widespread shoreline loss along heavily oiled areas of Louisiana's coast after the 2010 BP Deepwater Horizon oil spill and compared the erosion from the spill with coastal changes Hurricane Isaac caused in 2012.

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