Unified Interior Regions

Region 4: Mississippi Basin

Regions L2 Landing Page Tabs

Filter Total Items: 237
Date published: February 26, 2019
Status: Completed

2016 Southern Spring Floods

Learn more about USGS flood activities related to the 2016 Southern Spring Floods. These floods were caused by significant amounts of tropical moisture that was funneled through a narrow zone across East Texas, Louisiana, Arkansas, and Mississippi, creating severe flood conditions.

Date published: February 25, 2019
Status: Completed

June 2014 floods in South Dakota, Minnesota, and Iowa

Learn more about USGS flood activities related to the June 2014 Floods in South Dakota, Minnesota, and Iowa.

Date published: February 25, 2019
Status: Completed

May-June 2013 Midwest Floods

Learn more about USGS flood activities related to the May-June 2013 Midwest Floods.

Date published: February 25, 2019
Status: Completed

April-May 2013 Midwest Floods

Learn more about USGS flood activities related to the April-May 2013 Midwest Floods caused by heavy rainfall and late snow-melt in six states.

Date published: February 25, 2019
Status: Completed

Summer 2011 Missouri River Basin flood

Learn more about USGS flood activities related to the 2011 Missouri River Basin Flood resulting from higher-than-average snowmelt runoff combined with heavy spring rains.

Date published: February 25, 2019
Status: Completed

Spring/Summer 2011 Mississippi River Basin Floods

Learn more about USGS flood activities related to the Spring/Summer 2011 floods throughout the Mississippi River Basin.

Date published: February 25, 2019
Status: Completed

May 2011 Louisiana flood

Learn more about USGS flood activities related to the May 2011 flood in Louisiana, including additional real-time monitoring for the Morganza and Bonnet Carre Spillways which were opened to release floodwaters into the Mississippi River.

Date published: February 25, 2019
Status: Completed

April 2011 Arkansas Flood

Learn more about USGS flood activities related to the April 2011 Arkansas Flood.

Date published: February 24, 2019
Status: Active

Urban Waters Federal Partnership—Middle Blue River Basin (Kansas City, Mo.)

Reconnecting people and water is an increasingly important goal in many urban areas. Parks, urban trails, boat ramps, and urban agriculture all are ways that an urban population can interact with nature and improve quality of life.  USGS is participating in gathering the information that will make these projects possible.

Date published: January 29, 2019
Status: Completed

Hurricane Katrina - Documentation of Coastal Change

Aerial video, still photography, and laser altimetry surveys show the nature, magnitude, and spatial variability of coastal changes such as beach erosion, overwash deposition, and island breaching.

Date published: January 28, 2019
Status: Completed

Hurricane Katrina - Before and After Photo Comparisons

Before and after photos from the Chandeleur Islands, Dauphin Island, and Mississippi show coastal change caused by Hurricane Katrina.

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.

     

    Filter Total Items: 71
    Date published: June 21, 2018

    Louisiana Fact Sheets by Parish

    Fact Sheets for Louisiana by Parish.

    Date published: January 19, 2018

    Oblique Aerial Photography Viewer

    Obique photos offer a unique perspective of the coast. Features such as beach erosion or accretion, dune erosion and overwash can all be clearly characterized in this imagery. It also documents coastal infrastructure, as well as the damage that infrastructure may incur as the result of an impacting hurricane. 

    Date published: January 1, 2018

    Nitrapyrin, 6-CPA, and herbicide concentrations in agricultural soils, subsurface drains, and corresponding streams in the Midwestern US

    Nitrapyrin is a nitrification inhibitor that is co-applied with N-fertilizer in agroecosystems. Over the course of one year (March 2016 to June 2017), 192 water samples from seven streams across Iowa and Illinois were analyzed for nitrapyrin, its degradate 6-chloropicolinic acid (6-CPA), and three widely used herbicides acetochlor, atrazine, and metolachlor. Additional environme

    Date published: January 1, 2018

    Concentrations of Major and Trace Elements in Streambed and Floodplain Sediment along the Middle Big River and Tributaries in the Southeast Missouri Barite District and in Quality-Assurance Samples, 2012-15

    This U.S. Geological Survey (USGS) Data Release contains locations and concentrations of metals in various size fractions in floodplain-core, streambed-sediment samples, and sediment deposited on the flood plain from the December 2015 flood and underlying soils collected from along the Middle Big River and tributaries in the Southeast Missouri Barite District from 2012 to 2015. All sample

    Date published: December 11, 2017

    Gulf of Mexico Dashboard

    The USGS Southeast Regional Office has funded a cross-center collaboration between the Wetland and Aquatic Research Center and the Texas Water Science Center for the development of the Gulf of Mexico Water Dashboard. 

    Date published: October 31, 2017

    Guide to the Plants of Louisiana

    This guide to the vascular plants of Louisiana includes a database of plant characters, a search engine and plant images. Photographs include images of leaves, fruit, flower, stem, bark and other key identification features. Information about plants can be accessed by searching plant lists either by scientific name or common name.

    Date published: October 31, 2017

    Current Conditions for Arkansas - Streamflow

    To view current streamflow conditions for Arkansas click here

    Date published: October 31, 2017

    Current Conditions for Arkansas: Water Quality

    To view current conditions for Arkansas Water Quality click here.

    Date published: October 31, 2017

    Arkansas Groundwater-Quality Network

    To see information on the Arkansas Groundwater-Quality Network click here.

    Date published: October 4, 2017

    Operation Basement: Missouri Precambrian Sample Database

    In 1968, the Missouri Geological Survey (MGS) established the Operation Basement program to address three objectives: a) to obtain drill hole and underground mining data relative to the structure and composition of the buried Precambrian basement; b) to expand mapping in the Precambrian outcrop area and conduct research related to Precambrian geology and mineral resources; and c%2

    Date published: September 1, 2017

    National Water Information System web interface (NWISweb)

    The National Water Information System (NWIS) web application provides access to real-time and historical surface-water, groundwater, water-quality, and water-use data collected at approximately 1.5 million sites across all 50 states.

    Filter Total Items: 4,481
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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

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    Year Published: 2021

    Stream classification and gravel-bar inventory for Buffalo National River and Ozark National Scenic Riverways

    The data summarized in this report provide a baseline characterization of the physical attributes of the riverine ecosystems in two landscapes managed by the National Park Service—Ozark National Scenic Riverways, Missouri, and Buffalo National River, Arkansas—to inform understanding and management of aquatic habitat. The study utilized a basin-...

    Erwin, Susannah O.; Jacobson, Robert B.; Jones, Jabari C.
    Erwin, S.O., Jacobson, R.B., and Jones, J.C., 2021, Stream classification and gravel-bar inventory for Buffalo National River and Ozark National Scenic Riverways: U.S. Geological Survey Scientific Investigations Report 2020–5122, 42 p., https://doi.org/10.3133/sir20205122.

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    Year Published: 2021

    Divergent species‐specific impacts of whole ecosystem warming and elevated CO2 on vegetation water relations in an ombrotrophic peatland

    Boreal peatland forests have relatively low species diversity and thus impacts of climate change on one or more dominant species could shift ecosystem function. Despite abundant soil water availability, shallowly rooted vascular plants within peatlands may not be able to meet foliar demand for water under drought or heat events that increase vapor...

    Warren, Jeffrey M .; Jensen, Anna M; Ward, Eric; Guha, Anirban; Childs, Joanne; Wullschleger, Stan D.; Hanson, Paul J

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    Year Published: 2021

    Effectiveness of a distance sampling from roads program for white-tailed deer in the National Capital Region parks

    We evaluated the effectiveness of a distance sampling from roads program for estimating population sizes of white-tailed deer (Odocoileus virginianus) from 2001 to 2015 in parks of the National Capital Region (NCR), National Parks Service. Distance sampling is a method for estimating the density of organisms using a distribution of distances to...

    Green, Nicholas S.; Wildhaber, Mark L.; Albers, Janice L.

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    Year Published: 2021

    Home ranges and movements of two diamondback terrapins (Malaclemys terrapin macrospilota) in northwest Florida

    The diamondback terrapin (Malaclemys terrapin) is a small estuarine turtle distributed along the Atlantic and Gulf Coasts of the USA that is threatened by drowning in crab pots, road mortality, exploitation in the pet trade, and habitat loss. Little is known about the movement patterns and home ranges of these turtles, particularly along the U.S....

    Lamont, Margaret; Johnson, Darren; Catizone, Daniel J

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    Year Published: 2021

    Non-native Asian swamp eel, Monopterus albus/javanensis (Zuiew, 1973/Lacepede, 1800), responses to low temperatures

    Asian swamp eel, Monopterus albus/javanensis [Zuiew, 1973/Lacepede 1800], has been established in the southeastern USA since at least 1994, yet little is known about its ability to survive low winter temperatures. We use standard thermal methodologies to quantify low temperature responses and provide a detailed description of swamp eel...

    Saylor, Ryan K.; Schofield, Pam; Bennett, Wayne A

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    Year Published: 2021

    Joint species distribution models of Everglades wading birds to inform restoration planning

    Restoration of the Florida Everglades, a substantial wetland ecosystem within the United States, is one of the largest ongoing restoration projects in the world. Decision-makers and managers within the Everglades ecosystem rely on ecological models forecasting indicator wildlife response to changes in the management of water flows within the...

    D'Acunto, Laura; Pearlstine, Leonard G.; Romanach, Stephanie

    Filter Total Items: 220
    Swimming paths of control (left) and copper (right) exposed fish demonstrate changes in swimming behavior
    April 16, 2018

    Swimming paths of control (left) and copper (right) exposed fish

    Behavioral Toxicology Laboratory — Columbia, Missouri. Swimming paths of control (left) and copper (right) exposed fish demonstrate changes in swimming behavior detected following exposure to metals. Such changes can impact ability of fish to survive.

    Molecular Devices ImageXpress† High-Content Imaging System
    April 13, 2018

    Molecular Devices ImageXpress† High-Content Imaging System

    High-Content Screening Laboratory — Columbia, Missouri. Molecular Devices ImageXpress High-Content Imaging System

    The zebrafish developmental cardiovascular toxicity high-content screening assay uses a 384-well plate format
    April 13, 2018

    TZebrafish developmental cardiovascular toxicity high-content screen

    The zebrafish developmental cardiovascular toxicity high-content screening assay uses a 384-well plate format to maximize number of treatments and replicates possible on each plate.

    Ozark Spring - a perennial spring in Phelps County, MO
    February 25, 2018

    Ozark Spring - a perennial spring in Phelps County, Missouri

    Ozark Spring is a perennial spring in northern Phelps County, Missouri. It generates a rill that flows into Spring Creek which flows into the Gasconade River. It provides year-round water to livestock in the area.

    Asian carp removal in Missouri
    February 23, 2018

    Asian Carp Removal in Missouri

    In 2018, USGS and partners completed an incredible feat against a harmful aquatic invasive species when over 240,000 pounds of invasive Silver Carp and Bighead Carp were removed from Creve Coeur Lake in Maryland Heights, Missouri.

    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

    December 31, 2017

    Groundwater use from the Ozark Plateaus aquifer system, 1900 to 2010

    Groundwater use from the Ozark Plateaus aquifer system, 1900 to 2010” is a short video showing modeled groundwater withdrawal rates from the Ozark Plateaus aquifer system (Ozark system) in the central United States. The Ozark Plateaus Groundwater Availability Study aims to quantify current groundwater resources in the Ozark system, evaluate how these resources have changed

    A perspective model of the morphology and geologic framework near Petit Bois Island showing the relationships between seafloor f
    December 31, 2017

    Petis Bois model

    A perspective model of the morphology and geologic framework near Petit Bois Island showing the relationships between seafloor features and the subsurface. The barrier islands rest on the island plaftorm. Petis Bois Pass and offshore shoals are clearly visible from the acoustic surveys. The bathymetry, sidescan sonar, and sediment cores provide information about the extent

    ...
    Cedar Rapids
    December 31, 2017

    Greg Delzer Talking with the Local Press Regarding the AEM Flight Plan

    USGS Scientist, Greg Delzer, talking with the local press regarding the AEM flight plan and details on what USGS and others will be collecting and analyzing.

    Cedar Rapids
    December 31, 2017

    RESOLVE bird used to collect airborne electromagnetic data

    USGS team of scientists were on site before the survey to help answer questions and go over last minute flight and data collection details. (Photo includes individuals from USGS: Iowa/Illinois Water Science Center, Dakota Water Science Center, Denver Crustal Geophysics Group, Office of Communication, and Branch of Geophysics)

    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.

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    Exterior of a municipal water pumping station
    December 6, 2017

    Oxygen levels, dissolved minerals among factors responsible for high concentrations of radium in untreated water from aquifer that underlies six states

    Stan Musial bridge in St. Louis, Missouri
    October 5, 2017

    A new assessment of channel bed erosion near 13 highway bridges in the greater St. Louis, Missouri, area is now available in an online report from the U.S. Geological Survey, produced in cooperation with the Missouri Department of Transportation.

    USGS: Science for a changing world
    August 23, 2017

    A non-native insect infestation may not be the only factor involved in the ongoing die-back of a marsh grass in the Mississippi River’s “bird foot delta,” the ecologically and economically important part of coastal Louisiana where the river meets the Gulf of Mexico.

    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.

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