Unified Interior Regions

Region 4: Mississippi Basin

Regions L2 Landing Page Tabs

Filter Total Items: 237
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: 4,599
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            Year Published: 2021

            Effects of climate and land-use change on thermal springs recharge—A system-based coupled surface-water and groundwater-flow model for Hot Springs National Park, Arkansas

            A three-dimensional hydrogeologic framework of the Hot Springs anticlinorium beneath Hot Springs National Park, Arkansas, was constructed to represent the complex hydrogeology of the park and surrounding areas to depths exceeding 9,000 feet below ground surface. The framework, composed of 6 rock formations and 1 vertical fault emplaced beneath the...

            Hart, Rheannon M.; Ikard, Scott J.; Hays, Phillip D.; Clark, Brian R.
            Hart, R.M., Ikard, S.J., Hays, P.D., and Clark, B.R., 2021, Effects of climate and land-use change on thermal springs recharge—A system-based coupled surface-water and groundwater-flow model for Hot Springs National Park, Arkansas: U.S. Geological Survey Scientific Investigations Report 2021–5045, 38 p., https://doi.org/10.3133/sir20215045.

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            Year Published: 2021

            Abundance of Gulf Coast Waterdogs (Necturus beyeri) along Bayou Lacombe, Saint Tammany Parish, Louisiana

            Few ecological studies have been conducted on Gulf Coast Waterdogs (Necturus beyeri), and published studies have focused on relatively small stream sections of 125 m to 1.75 km. In 2015, we sampled 25 sites along a 13.4-km stretch of Bayou Lacombe (Saint Tammany Parish, Louisiana, USA) to better understand factors that may influence the...

            Glorioso, Brad; Waddle, Hardin; Muse, Lindy J.; Godfrey, Sidney T

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            Year Published: 2021

            Spatial ecology of invasive Burmese pythons in southwestern Florida

            Understanding the spatial ecology of an invasive species is critical for designing effective control programs. Determining and quantifying home range estimates and habitat associations can streamline targeted removal efforts for wide-ranging, cryptic animals. The Burmese python (Python bivittatus) is a large-bodied constrictor snake with an...

            Bartoszek, Ian A.; Smith, Brian J.; Reed, Robert; Hart, Kristen

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            Year Published: 2021

            Magnitude and frequency of floods in the alluvial plain of the lower Mississippi River, 2017

            Annual exceedance probability flows at gaged locations and regional regression equations used to estimate annual exceedance probability flows at ungaged locations were developed by the U.S. Geological Survey, in cooperation with the Mississippi Department of Transportation, to improve flood-frequency estimates at rural streams in the alluvial...

            Anderson, Brandon T.
            Anderson, B.T., 2021, Magnitude and frequency of floods in the alluvial plain of the lower Mississippi River, 2017: U.S. Geological Survey Scientific Investigations Report 2021–5046, 15 p., https://doi.org/10.3133/sir20215046.

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            Year Published: 2021

            Fluvial Egg Drift Simulator (FluEgg) user’s manual

            The Fluvial Egg Drift Simulator (FluEgg) was developed to simulate the transport and dispersion of invasive carp eggs and larvae in a river. FluEgg currently (2020) supports modeling of bighead carp (Hypophthalmichthys nobilis), silver carp (H. molitrix), and grass carp (Ctenopharyngodon idella), with the planned addition of black carp (...

            Domanski, Marian M.; LeRoy, Jessica Z.; Berutti, Michael; Jackson, P. Ryan
            Domanski, M.M., LeRoy, J.Z., Berutti, M., and Jackson, P.R., 2021, Fluvial Egg Drift Simulator (FluEgg) user’s manual: U.S. Geological Survey Open-File Report 2021–1052, 30 p., https://doi.org/10.3133/ofr20211052.

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            Year Published: 2021

            Using systems thinking to inform management of imperiled species: A case study with sea turtles

            Management of imperiled species facing spatiotemporally dynamic threats is difficult. Systems thinking can inform their management by quantifying the impacts that they face. We apply systems thinking to the Northern Gulf of Mexico (NGM) loggerhead (Caretta caretta) Recovery Unit (RU), one of the smallest subpopulations of loggerheads...

            Silver-Gorges, Ian; Ceriani, Simona A.; Ware, Matthew; Lamb, Megan; Lamont, Margaret; Becker, Janice; Carthy, Raymond; Matechik, Chris; Mitchell, Joseph C.; Pruner, Raya; Reynolds, Mike; Smith, Bradley; Snyder, Caitlyn; Fuentes, Mariana M. P. B.

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            Year Published: 2021

            Water resources of St. Landry Parish, Louisiana

            Information concerning the availability, use, and quality of water in St. Landry Parish, Louisiana, is critical for proper water-supply management. The purpose of this fact sheet is to present information that can be used by water managers, parish residents, and others for stewardship of this vital resource. In 2014, about 116.75 million gallons...

            Lindaman, Maxwell A.; White, Vincent E.
            Lindaman, M.A.., and White, V.E., 2021, Water resources of St. Landry Parish, Louisiana: U.S. Geological Survey Fact Sheet 2021–3026, 6 p., https://doi.org/10.3133/fs20213026.

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            Year Published: 2021

            Use of dissolved oxygen monitoring to evaluate phosphorus loading in Connecticut streams, 2015–18

            The Connecticut Department of Energy and Environmental Protection (CT DEEP) has developed an interim phosphorus reduction strategy to establish water-quality-based phosphorus limits in nontidal freshwaters for industrial and municipal water pollution control facilities. A recommendation in the strategy included the addition of diurnal dissolved...

            Izbicki, Brittney; Morrison, Jonathan
            Izbicki, B., and Morrison, J., 2021, Use of dissolved oxygen monitoring to evaluate phosphorus loading in Connecticut streams, 2015–18: U.S. Geological Survey Scientific Investigations Report 2021–5024, 25 p., https://doi.org/10.3133/sir20215024.

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            Year Published: 2021

            Synthetic aperture radar and optical mapping used to monitor change and replacement of Phragmites australis marsh in the Lower Mississippi River Delta, Louisiana

            Synthetic aperture radar (SAR) mapping of density as an enhancement of Phragmites australis optical live fractional cover (LFC) mapping was carried out in the lower Mississippi Delta during 2016 to 2019. Also, as part of the study, the replacement of P. australis with elephant-ear was analyzed. To that end, yearly maps from 2016 to 2019 of L-band...

            Ramsey III, Elijah W.; Rangoonwala, Amina
            Ramsey, E.W., III, and Rangoonwala, A., 2021, Synthetic aperture radar and optical mapping used to monitor change and replacement of Phragmites australis marsh in the lower Mississippi River Delta, Louisiana: U.S. Geological Survey Open-File Report 2021–1046, 19 p., https://doi.org/10.3133/ofr20211046.

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            Year Published: 2021

            Improving species status assessments under the U.S. Endangered Species Act and implications for multispecies conservation challenges worldwide

            Despite its successes, the U.S. Endangered Species Act (ESA) has proven challenging to implement due to funding limitations, workload backlog, and other problems. As threats to species survival intensify and as more species come under threat, the need for the ESA and similar conservation laws and policies in other countries to function efficiently...

            Noss, Reed; Cartwright, Jennifer M.; Estes, Dwayne; Witsell, Theo; Elliott, Gregg; Adams, Daniel S.; Albrecht, Matthew A.; Boyles, Ryan; Comer, Patrick; Doffitt, Chris; Hill, JoVonn G.; Hunter, William C.; Knapp, Wesley M.; Marshall, Mike; Singhurst, Jason R.; Tracey, Christopher; Walck, Jeffrey L.; Weakley, Alan

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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

            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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