Unified Interior Regions

Region 4: Mississippi Basin

Regions L2 Landing Page Tabs

Filter Total Items: 237
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.

          Date published: October 16, 2018
          Status: Active

          Long-term trends in forest regeneration across drought and salinity gradients in the northern Gulf Coast- Beth Middleton

          Relict forests are becoming more common as as climates become hotter, drier and more saline. The first sign of threat to these forests is a chronic lack of seedling and sapling recruitment. This project will help pinpoint forests at risk to help in future management.

          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: 4,514
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          Year Published: 2021

          Practical field survey operations for flood insurance rate maps

          The U.S. Geological Survey assists the Federal Emergency Management Agency in its mission to identify flood hazards and zones for risk premiums for communities nationwide, by creating flood insurance rate maps through updating hydraulic models that use river geometry data. The data collected consist of elevations of river channels, banks, and...

          Taylor, Nicholas J.; Simeone, Caelan E.
          Taylor, N.J., and Simeone, C.E., 2021, Practical field survey operations for flood insurance rate maps: U.S. Geological Survey Open-File Report 2020–1146, 8 p., https://doi.org/10.3133/ofr20201146.

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          Year Published: 2021

          Review of the invasive Asian clam Corbicula spp. (Bivalvia: Cyrenidae) distribution in North America, 1924–2019

          The bivalve Corbicula is one of the most successful aquatic mollusk invaders in the world. Since being intro­duced to North America from its native range in Asia, it has dispersed widely over a large portion of the continent from southern Canada to Panama. The first evidence of its introduc­tion in the Western Hemisphere was discovered in 1924 in...

          Benson, Amy J.; Williams, James D.
          Benson, A.J., and Williams, J.D., 2021, Review of the invasive Asian clam Corbicula spp. (Bivalvia: Cyrenidae) distribution in North America, 1924–2019: U.S. Geological Survey Scientific Investigations Report 2021–5001, 66 p., https://doi.org/10.3133/sir20215001.

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          Year Published: 2021

          Re‐purposing groundwater flow models for age assessments ‐‐ important characteristics

          Groundwater flow model construction is often time‐consuming and costly, with development ideally focused on a specific purpose, such as quantifying well capture from water bodies or providing flow fields for simulating advective transport. As environmental challenges evolve, the incentive to re‐purpose existing groundwater flow models may increase...

          Juckem, Paul F.; Starn, J. Jeffrey

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          Year Published: 2021

          National-scale reservoir thermal energy storage pre-assessment for the United States

          The U.S. Geological Survey is performing a pre-assessment of the cooling potential for reservoir thermal energy storage (RTES) in five generalized geologic regions (Basin and Range, Coastal Plains, Illinois Basin, Michigan Basin, Pacific Northwest) across the United States. Reservoir models are developed for the metropolitan areas of eight cities...

          Pepin, Jeff D.; Burns, Erick; Dickinson, Jesse E.; Duncan, Leslie L.; Kuniansky, Eve L.; Reeves, Howard W.

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          Year Published: 2021

          Tropicalization of temperate ecosystems in North America: The northward range expansion of tropical organisms in response to warming winter temperatures

          Tropicalization is a term used to describe the transformation of temperate ecosystems by poleward‐moving tropical organisms in response to warming temperatures. In North America, decreases in the frequency and intensity of extreme winter cold events are expected to allow the poleward range expansion of many cold‐sensitive tropical organisms,...

          Osland, Michael; Stevens, Philip; Lamont, Margaret; Brusca, Richard; Hart, Kristen; Waddle, Hardin; Langtimm, Catherine; Williams, Caroline; Keim, Barry; Terando, Adam; Reyier, Eric; Marshall, Katie; Loik, Michael E.; Boucek, Ross; Lewis, Amanda; Seminoff, Jeffrey A.

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          Year Published: 2021

          Production of haploid gynogens to inform genomic resource development in the paleotetraploid pallid sturgeon (Scaphirhynchus albus)

          Order Acipenseriformes (sturgeons and paddlefishes) is an ancient lineage of osteichthyan fishes (>200 million years old) with most extant species at conservation risk. A relatively basal species, the pallid sturgeon, Scaphirhynchus albus, is a federally endangered species native to the Mississippi and Missouri River basins. Hybridization with...

          Flamio Jr., Richard; Chojnacki, Kimberly; Delonay, Aaron J.; Dodson, Marlene J; Gocker, Rachel M.; Jenkins, Jill; Powell, Jeffrey; Heist, Edward J.

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          Year Published: 2021

          Nutrient concentrations, loads, and yields in the Middle Iowa River Basin, Iowa

          Concentrations, loads, and yields of nitrate plus nitrite, total nitrogen, and total phosphorus were assessed in the Iowa River upstream from the Coralville Reservoir in east-central Iowa. The results of this study describe baseline nutrient transport during two historical reference periods, 1980–96 and 2006–10, that can be used to evaluate the...

          Garrett, Jessica D.; Kalkhoff, Stephen J.
          Garrett, J.D., and Kalkhoff, S.J., 2021, Nutrient concentrations, loads, and yields in the Middle Iowa River Basin, Iowa: U.S. Geological Survey Scientific Investigations Report 2020–5148, 22 p., https://doi.org/10.3133/sir20205148.

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          Year Published: 2021

          The role of habitat heterogeneity and canyon processes in structuring sediment macrofaunal communities associated with hard substrate habitats in Norfolk Canyon, USA

          Topographic and hydrodynamic complexity in submarine canyons promotes steep gradients in food availability and geophysical parameters which affect ecological assemblages and beta diversity. While habitat heterogeneity in submarine canyons is known to support diverse and abundant megafaunal communities, due to difficulty in sampling little is known...

          Bourque, Jill; Demopoulos, Amanda; Robertson, Craig M.; Mienis, Furu

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          Year Published: 2021

          Machine-learning predictions of redox conditions in groundwater in the Mississippi River Valley alluvial and Claiborne aquifers, south-central United States

          Machine-learning models developed by the U.S. Geological Survey were used to predict iron concentrations and the probability of dissolved oxygen (DO) concentrations exceeding a threshold of 1 milligram per liter (mg/L) in groundwater in aquifers of the Mississippi embayment physiographic region. DO and iron concentrations are driven by and reflect...

          Knierim, Katherine J.; Kingsbury, James A.; Haugh, Connor J.
          Knierim, K.J., Kingsbury, J.A., and Haugh, C.J., 2021, Machine-learning predictions of redox conditions in groundwater in the Mississippi River Valley alluvial and Claiborne aquifers, south-central United States: U.S. Geological Survey Scientific Investigations Map 3468, 16 p., 3 sheets, https://doi.org/10.3133/sim3468.

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          Year Published: 2021

          Aquatic toxicity of chemical road dust suppressants to freshwater organisms

          Unpaved roads make up at least 14 million kilometers of the worldwide road network. Although investigations of road runoff often are focused on paved roads, unpaved roads contribute large volumes of runoff to roadside aquatic habitats and introduce unique constituents to runoff, such as chemical dust suppressants. At least 200 products across five...

          Kunz, Bethany K.; Little, Edward E.; Barandino, Vincent L.

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          Year Published: 2021

          Observations of acrobat ants (Crematogaster sp.) preying on the eggs of the invasive giant applesnail (Pomacea maculata)

          Herein we provide direct evidence for the consumption of Pomacea maculata (Giant Applesnail) eggs by ants in the genus Crematogaster. The observations were made during removal of snail egg masses at the Hudson Woods Unit of the Texas Mid-Coast National Wildlife Refuge, TX. We observed acrobat ants (Crematogaster sp.) removing...

          Carter, Jacoby; Wilson, Jennifer; Mopper, Susan

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          Year Published: 2021

          A Tennessee Warbler (Leiothlypis peregrina) captured in the web of a golden silk orb-weaver (Trichonephila clavipes)

          During migration, transient birds usually find themselves stopping in unfamiliar habitats in order to rest and refuel before resuming migratory flight. Here we document the first case, to our knowledge, of a Tennessee Warbler (Leiothlypis peregrina) entrapped in a spiderweb. The warbler's tarsus became caught in the mooring thread of a golden silk...

          Zenzal, Theodore J.; Calderon, Liliana; Lefever, Joshua; Weber, Vincent

          Filter Total Items: 221
          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.

          Map shows early wetland losses in red, recent losses in purple
          July 10, 2017

          Map shows early wetland losses in red, recent losses in purple

          This map shows the historic trend in wetland losses, with early losses in red and the most recent ones in purple.

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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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