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: 4,580
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            Year Published: 2021

            Initial estimates of net infiltration and irrigation from a soil-water-balance model of the Mississippi Embayment Regional Aquifer Study Area

            The Mississippi embayment encompasses about 100,000 square miles and covers parts of eight States. In 2016, the U.S. Geological Survey began updating previous work for a part of the embayment known as the Mississippi Alluvial Plain to support informed water use and agricultural policy in the region. Groundwater, water use, economic, and other...

            Westenbroek, Stephen, M.; Nielsen, Martha G.; Ladd, David E.
            Westenbroek, S.M., Nielsen, M.G., and Ladd, D.E., 2021, Initial estimates of net infiltration and irrigation from a soil-water-balance model of the Mississippi Embayment Regional Aquifer Study Area: U.S. Geological Survey Open-File Report 2021-1008, 29 p., https://doi.org/10.3133/ofr20211008.

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            Year Published: 2021

            Estimating the influence of oyster reef chains on freshwater detention at the estuary scale using Landsat-8 imagery

            Oyster reef chains grow in response to local hydrodynamics and can redirect flows, particularly when reef chains grow perpendicular to freshwater flow paths. Singularly, oyster reef chains can act as porous dams that may facilitate nearshore accumulation of fresh or low-salinity water, in turn creating intermediate salinities that support oyster...

            Alonso, Alice; Nelson, Natalie G.; Yurek, Simeon; Kaplan, David; Olabarrieta, Maitane; Frederick, Peter C

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            Year Published: 2021

            Global commitments to conserving and monitoring genetic diversity are now necessary and feasible

            Global conservation policy and action have largely neglected protecting and monitoring genetic diversity—one of the three main pillars of biodiversity. Genetic diversity (diversity within species) underlies species’ adaptation and survival, ecosystem resilience, and societal innovation. The low priority given to genetic diversity has largely been...

            Hoban, Sean M.; Bruford, Michael W.; Funk, W. Chris; Galbusera, Peter; Griffith, M. Patrick; Grueber, Catherine E.; Heuertz, Myriam; Hunter, Margaret; Hvilsom, Christina; Stroil, Belma Kalamujic; Kershaw, Francine; Khoury, Colin K.; Laikre, Linda; Lopes-Fernandes, Magarida; MacDonald, Anna J.; Mergeay, Joachim; Meek, Mariah; Mittan, Cinnamon; Mukassabi, Tarek A.; O'Brien, David; Ogden, Rob; Palma-Silva, Clarisse; Ramakrishnan, Uma; Segelbacher, Gernot; Shaw, Robyn E.; Sjögren-Gulve, Per; Velickovic, Nevena; Vernesi, Cristiano

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            Year Published: 2021

            Science needs of southeastern grassland species of conservation concern: A framework for species status assessments

            The unglaciated southeastern United States is a biodiversity hotspot, with a disproportionate amount of this biodiversity concentrated in grasslands. Like most hotspots, the Southeast is also threatened by human activities, with the total reduction of southeastern grasslands estimated as 90 percent (upwards to 100 percent for some types) and with...

            Noss, Reed F.; Cartwright, Jennifer M.; Estes, Dwayne; Witsell, Theo; Elliott, K. Gregg; Adams, Daniel S.; Albrecht, Matthew A.; Boyles, Ryan; Comer, Patrick J.; Doffitt, Chris; Faber-Langendoen, Don; Hill, JoVonn G.; Hunter, William C.; Knapp, Wesley M.; Marshall, Mike; Pyne, Milo; Singhurst, Jason R.; Tracey, Christopher; Walck, Jeffrey L.; Weakley, Alan
            Noss, R.F., Cartwright, J.M., Estes, D., Witsell, T., Elliott, K.G., Adams, D.S., Albrecht, M.A., Boyles, R., Comer, P.J., Doffitt, C., Faber-Langendoen, D., Hill, J.G., Hunter, W.C., Knapp, W.M., Marshall, M., Pyne, M., Singhurst, J.R., Tracey, C., Walck, J.L., and Weakley, A., 2021, Science needs of southeastern grassland species of conservation concern—A framework for species status assessments: U.S. Geological Survey Open-File Report 2021–1047, 58 p., https://doi.org/10.3133/ofr20211047.

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            Year Published: 2021

            A U.S.-China EcoPartnership study of disturbed wetland vegetation in West Dongting Lake, China

            West Dongting Lake in China is important for human livelihoods and habitat of migratory waterfowl and other wildlife. The waterway re-engineering and agriculture intensification have contributed to changes in hydrology, sediment, and vegetation on the floodplain. This paper describes an EcoPartnership program conducted by the U.S. Geological...

            Lei, Ting; Middleton, Beth

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            Year Published: 2021

            Exploring the factors controlling the error characteristics of the Surface Water and Ocean Topography mission discharge estimates

            The Surface Water and Ocean Topography (SWOT) satellite mission will measure river width, water surface elevation, and slope for rivers wider than 50-100 m. SWOT observations will enable estimation of river discharge by using simple flow laws such as the Manning-Strickler equation, complementing in-situ streamgages. Several discharge...

            Frasson, Renato; Durand, Michael T.; Lanier, Kevin; Gleason, Colin; Andreadis, Konstantinos; Hageman, Mark; Dudley, Robert; Bjerklie, David M.; Oubanas, Hind; Garambois, Pierre-André; Malaterre, Pierre-Olivier; Lin, Peirong; Pavelsky, Tamlin M.; Monnier, Jerome; Binkerhoff, Craig; David, Cedric H.

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            Year Published: 2021

            Associations between private well water and community water supply arsenic concentrations in the conterminous United States

            Geogenic arsenic contamination typically occurs in groundwater as opposed to surface water supplies. Groundwater is a major source for many community water systems (CWSs) in the United States (US). Although the US Environmental Protection Agency sets the maximum contaminant level (MCL enforceable since 2006: 10 μg/L) for arsenic in CWSs, private...

            Spaur, Maya; Lombard, Melissa; Ayotte, Joseph D.; Harvey, David; Bostick, Benjamin; Chillrud, Steven; Navas-Acien, Ana; Nigra, Anne E

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            Year Published: 2021

            Biodiversity effects on grape quality depend on variety and management intensity

            Interactions between plants can be beneficial, detrimental or neutral. In agricultural systems, competition between crop and spontaneous vegetation is a major concern. We evaluated the relative support for three non-exclusive ecological hypotheses about interactions between crop and spontaneous plants based on competition, complementarity or...

            Steiner, Magdalena; Grace, James; Bacher, Sven

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            Year Published: 2021

            A graphical causal model for resolving species identity effects and biodiversity–ecosystem function correlations: comment

            In a recent paper, Schoolmaster, Zirbel, and Cronin (SZC) (2020) claim “Formal causal analysis show[s] that biodiversity–ecosystem function (BEF) correlations are non-causal associations.” If this conclusion is accepted as true, it suggests a reconsideration of much of our current understanding of how biodiversity relates to the functioning of...

            Inouye, Brian D.; Grace, James B.; Loreau, Michel; Schmid, Bernhard

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            Year Published: 2021

            Late Pleistocene baldcypress (Taxodium distichum) forest deposit on the continental shelf of the northern Gulf of Mexico

            Approximately 13 km south of Gulf Shores, Alabama (United States), divers found in situ baldcypress (Taxodium distichum) stumps 18 m below the ocean surface. These trees could have only lived when sea level fell during the Pleistocene subaerially exposing the tectonically stable continental shelf. Here we investigate the...

            DeLong, Kristine L.; Gonzalez, Suyapa; Obelcz, Jeffrey B.; Truong, Jonathan T.; Bentley, Samuel J.; Xu, Kehui; Reese, Carl A.; Harley, Grant L.; Caporaso, Alicia; Shen, Zhixiong; Middleton, Beth

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            Year Published: 2021

            Lipidomics reveals specific lipid molecules associated with cold stress syndrome in the Florida manatee (Trichechus manatus latirostris)

            Cold stress syndrome (CSS) in the Florida manatee (Trichechus manatus latirostris) results in perturbations to many physiological pathways, often leading to further illness or death. In this study, we applied a non-targeted lipidomics approach with ultra-high performance liquid chromatography and high-resolution tandem mass spectrometry to...

            Griffin, Emily K.; Costa, Kaylie Anne; Aristizabal-Henao, Juan J.; Napolitano, Michael P.; Hunter, Margaret; Ferrante, Jason; Bowden, John A.

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            Year Published: 2021

            Widespread Ranavirus and Perkinsea infections in Cuban treefrogs (Osteopilus septentrionalis) invading New Orleans, USA

            Invasive species can negatively impact ecosystems in numerous ways, including vectoring pathogenic organisms. In amphibians, a lineage globally threatened by multiple pathogens, this spread of disease via invasive species could contribute to declines in native populations. The Cuban Treefrog (Osteopilus septentrionalis) is invasive in the...

            Galt, Net; Atkinson, Matthew S; Glorioso, Brad; Waddle, Hardin; Litton, Melanie; Savage, Anna E.

            Filter Total Items: 216
            Samplers used for sampling hydrophilic organic chemicals from water
            December 31, 2017

            Samplers used for sampling hydrophilic organic chemicals from water

            Passive Sampling Research—Columbia, Missouri. The polar organic chemical integrative sampler (POCIS - on the left) and semipermeable membrane devices (SPMDs - on the right) samplers are used for sampling hydrophilic organic chemicals from water. The SPMDs sampler can also be deployed for air sampling.

            Graph of the rate of change in Lousiana coastal wetlands from the 1930s to the present
            December 31, 2017

            Louisiana coastal wetland change rates over time

            Graph of land area change rate in coastal Louisiana from 1932–2016.  The red line approximates the long-term land area change rate. 95 out of 100 statistical analyses would produce a very similar trend (dotted blue lines). Credit: USGS

            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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            Image of a red dye study conducted in the Brandon Road Lock on the Des Plaines River near Joliet, Illinois, in 2015.
            June 6, 2017

            U.S. Geological Survey scientists will inject a harmless, bright red fluorescent dye into the auxiliary lock at Locks and Dam 14 on the Mississippi River near Pleasant Valley, Iowa, Tuesday, June 13, 2017, weather permitting. If needed, a backup date is scheduled for June 27, 2017.  

            Two men collecting groundwater samples at a public well in the middle of a grassy field in Texas
            May 31, 2017

            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

            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.

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