Unified Interior Regions

Region 4: Mississippi Basin

Regions L2 Landing Page Tabs

Filter Total Items: 237
Date published: August 9, 2018
Status: Active

Gulf Coast Petroleum Systems Project - Assessments

This site highlights the assessments of the Gulf Coast Petroleum Systems Project.   Scientifically robust assessments of undiscovered, technically recoverable hydrocarbon resources are published in a variety of USGS publications.  This project also conducts research on the processes that impact the formation, accumulation, occurrence and alteration of hydrocarbon energy resources. The Gulf...

Date published: August 7, 2018
Status: Active

Relation between Plant Community Structure and Function and the Effectiveness of Wetland Restoration Efforts

High rates of wetland loss continue to occur along the northern Gulf of Mexico coast, and this remains an issue of concern to resource managers.

Date published: August 1, 2018
Status: Active

Wetland Forest Regeneration Dynamics and Productivity in Southeastern Cypress Swamp Ecosystems

Relict forests (i.e., forests unable to reestablish after disturbance) may develop in the southeastern U.S. in future predicted extreme climates of temperature, flooding, and drought, according to the International Panel on Climate Change.

Date published: July 18, 2018
Status: Active

Real-Time Data Links

REAL-TIME LINKS:

Streamflow:     IA  || IL ||  MO
Groundwater levels:   ...

Date published: June 18, 2018
Status: Active

Using Unmanned Aerial Systems (UAS) Capabilities to Help Identify Hummock-Hollow Formation and Fragmentation in Critical Marsh Habitat for Mottled Ducks

For many years, coastal marshes in Texas and Louisiana have served as critical habitat for the mottled duck (Anas fulvigula), which is considered a priority species in the Texas/Louisiana Gulf Coast area.

Date published: June 18, 2018
Status: Active

USGS Technical Support for Coastal/Wetlands Ecology: Spatial Analysis and Application for the Gulf Coast Prairie Landscape Conservation Cooperative (GCP LCC)

The Gulf Coastal Prairie (GCP) includes areas within Kansas, Louisiana, Mississippi, Oklahoma, and Texas as well as Mexico. The GCP Landscape Conservation Cooperative aims to conserve prairie grasslands which helps migratory birds and other wildlife that rely on these ecosystems.

Date published: June 11, 2018
Status: Active

Past and Future Modeling of Ecological Indicators for the South Atlantic Landscape Conservation Cooperative

The South Atlantic Landscape Conservation Cooperative (LCC) has developed a Conservation Blueprint: a “living spatial plan to conserve natural and cultural resources for future generations.” This blueprint is a data-driven plan based on terrestrial, freshwater, marine, and cross-ecosystem indicators to measure the overall health of South...

Date published: June 8, 2018
Status: Active

Geographic Information System and Remote Sensing Support: Gulf Coast Joint Venture

The Gulf Coast Joint Venture (GCJV) was established in 1988 as a result of the North American Waterfowl Management Plan, which espouses the restoration of continental waterfowl populations through conservation partnerships in priority habitat regions. Since that time GCJV partners have expanded their mission and purpose to include the provision of habitat to support other priority bird species...

Date published: May 1, 2018
Status: Active

Bird Banding Laboratory

The Bird Banding Laboratory (BBL) is an integrated scientific program established in 1920 supporting the collection, archiving, management and dissemination of information from banded and marked birds in North America.  This information is used to monitor the status and trends of resident and migratory bird populations. Because birds are good indicators of the health of the environment, the...

Date published: April 2, 2018
Status: Completed

Heavy-Mineral Sand Resources in the Southeastern U.S.

We are assessing the extent of industrial mineral resources hosted by heavy-mineral sands in the coastal plain of the southeastern United States. “Heavy-mineral sands" (HMS) is a term commonly used in industry and geologic literature to describe layered sediments deposited in coastal environments that contain dense (“heavy") minerals of economic value. The heavy minerals extracted from these...

Date published: March 15, 2018
Status: Active

Webinar: Projecting Climate Change Impacts on Wetland-Dependent Birds in the Prairie Pothole Region

View this webinar to learn how scientists are projecting the impacts of climate change on birds in the Prairie Pothole Region.

Filter Total Items: 71
Date published: April 20, 2016

Structures Data

USGS data portray selected structures data, including the location and characteristics of manmade facilities. Characteristics consist of a structure's physical form (footprint), function, name, location, and detailed information about the structure. The types of structures collected are largely determined by the needs of the disaster planning and response and homeland security organizations....

Date published: April 19, 2016

The United States Interagency Elevation Inventory (USIEI)

The USIEI is a comprehensive, nationwide listing of known high-accuracy topographic and bathymetric data for the United States and its territories. The project is a collaborative effort of the USGS and NOAA with contributions from other federal agencies. The inventory supports the 3D Elevation Program and the Integrated Ocean and Coastal Mapping effort. This resource is updated in Spring and...

Date published: April 19, 2016

Elevation Data

The 3DEP products and services available through The National Map consist of lidar point clouds (LPC), standard digital elevation models (DEMs) at various horizontal resolutions, elevation source and associated datasets, an elevation point query service and bulk point query service. All 3DEP products are available, free of charge and without use restrictions.

Date published: April 18, 2016

Coastal and Marine Geology Video and Photography Portal

This portal contains U.S. Geological Survey (USGS) video and photography of the seafloor off of coastal California and Massachusetts, and aerial imagery of the coastline along segments of the Gulf of Mexico and mid-Atlantic coasts. These data were collected as part of several USGS Coastal and Marine Geology Program Seafloor Mapping projects and Hurricane and Extreme Storm research.

Date published: April 12, 2016

Orthoimagery Data

Orthoimagery data typically are high resolution aerial images that combine the visual attributes of an aerial photograph with the spatial accuracy and reliability of a planimetric map. The National Map offers public domain, 1-meter orthoimagery for the conterminous United States with many urban areas and other locations at 2-foot or finer resolution.

Date published: April 12, 2016

The National Map Small-Scale Collection

The National Map offers a collection of small-scale datasets, most of which are at 1:1,000,000. The National Map publishes two data collections at one million-scale: one for Global Map users and one for National Map users. In terms of vector geometry, the lines, points, and areas in these data collections are identical. The difference is in the attributes assigned to these features.

Date published: March 10, 2016

Science Data Integration and Delivery

Consistent synthesis, integration, storage, and availability of fundamental data is critical to meeting the needs of USGS Science. We develop databases for hydrography, topography, invasive species, water resources, and many other datasets utilized by resource managers.

Date published: March 9, 2016

Science Data Integration and Delivery

Consistent synthesis, integration, storage, and availability of fundamental data is critical to meeting the needs of USGS Science. We develop databases for hydrography, topography, invasive species, water resources, and many other datasets utilized by resource managers. Our National Geospatial Program uses partnerships and data collection through a network assigned to the Southeast Region...

Date published: March 4, 2016

Long Term Resource Monitoring

This web resource provides decision makers with the information needed to maintain the Upper Mississippi River System as a viable multiple-use large river ecosystem.

Filter Total Items: 4,441
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Year Published: 2020

Introduction: Ecological subsidies as a framework for understanding contaminant fate, exposure, and effects at the land-water interface

Ecologists have long recognized that ecological subsidies (the flow of organic matter, nutrients, and organisms between ecosystems) can strongly affect ecosystem processes and community structure in the recipient ecosystem. Animal movements, organic matter flows, and food web dynamics between linked aquatic and terrestrial systems can also...

Walters, David; Kraus, Johanna M.; Mills, Marc A.

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Year Published: 2020

Practical considerations for the incorporation of insect-mediated contaminant flux into ecological risk assessments

Insect-mediated contaminant flux is truly an interdisciplinary concept that merges ideas from many technical areas of science (e.g., environmental chemistry, landscape ecology, and entomology). This chapter introduces risk assessors to this emerging and ecologically relevant concept by distilling the main mechanisms that drive insect-mediated...

Otter, Ryan R.; Beaubien, Gale B.; Olson, Connor I.; Walters, David; Mills, Marc A.
Otter, R.R., Beaubien, G.B., Olson, C.I., Walters, D.M., and Mills, M.A., 2020, Practical considerations for the incorporation of insect-mediated contaminant flux into ecological risk assessments, in Kraus, J.M., Walters, D.M., and Mills, M.A., eds., Contaminants and Ecological Subsidies: The Land-Water Interface: Cham, Springer International Publishing, p. 179-195. https://doi.org/10.1007/978-3-030-49480-3_9

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Year Published: 2020

Synthesis: A framework for predicting the dark side of ecological subsidies

In this chapter, we synthesize the state of the science regarding ecological subsidies and contaminants at the land-water interface and suggest research and management approaches for linked freshwater-terrestrial ecosystems. Specifically, we focus on movements of animals with complex life histories and the detrital inputs associated with animal...

Kraus, Johanna M.; Wessner, Jeff; Walters, David
Kraus, J.M., Wesner, J., and Walters, D.M., 2020, Synthesis: A framework for predicting the dark side of ecological subsidies, in Kraus, J.M., Walters, D.M., and Mills, M.A., eds., Contaminants and Ecological Subsidies: The Land-Water Interface: Cham, Springer International Publishing, p. 343-372. https://doi.org/10.1007/978-3-030-49480-3_14

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Year Published: 2020

Cross-ecosystem linkages and trace metals at the land-water interface

At low concentrations, trace metals are critical for sustaining life on Earth. However, at high concentrations, they become a global contaminant with particularly strong effects on freshwater communities. These effects can propagate to terrestrial ecosystems in part by altering production and community structure of adult aquatic insect emergence...

Kraus, Johanna M.; Pomeranz, Justin F.
Kraus, J.M., and Pomeranz, J.P.F., 2020, Cross-ecosystem linkages and trace metals at the land-water interface, in Kraus, J.M., Walters, D.M., and Mills, M.A., eds., Contaminants and Ecological Subsidies: The Land-Water Interface: Cham, Springer International Publishing, p. 91-109. https://doi.org/10.1007/978-3-030-49480-3_5

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Year Published: 2020

Estimating flood magnitude and frequency on streams and rivers in Connecticut, based on data through water year 2015

The U.S. Geological Survey, in cooperation with the Connecticut Department of Transportation, updated flood-frequency estimates with 50-, 20-, 10-, 4-, 2-, 1-, 0.5-, and 0.2-percent annual exceedance probabilities (2-, 5-, 10-, 25-, 50-, 100-, 200-, and 500-year recurrence intervals, respectively) for 141 streamgages in Connecticut and 11...

Ahearn, Elizabeth A.; Hodgkins, Glenn A.
Ahearn, E.A., and Hodgkins, G.A., 2020, Estimating flood magnitude and frequency on streams and rivers in Connecticut, based on data through water year 2015: U.S. Geological Survey Scientific Investigations Report 2020–5054, 42 p., https://doi.org/10.3133/sir20205054.

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Year Published: 2020

Effects of early life stage exposure of largemouth bass to atrazine or a model estrogen (17α-ethinylestradiol)

Endocrine disrupting contaminants are of continuing concern for potentially contributing to reproductive dysfunction in largemouth and smallmouth bass in the Chesapeake Bay watershed (CBW) and elsewhere. Exposures to atrazine (ATR) have been hypothesized to have estrogenic effects on vertebrate endocrine systems. The incidence of intersex in male...

Leet, Jessica Kristin; Richter, Catherine A.; Cornman, Robert S.; Berninger, Jason P.; Bhandari, Ramji K.; Nicks, Diane K.; Zajicek, James L.; Blazer, Vicki S.; Tillitt, Donald E.

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Year Published: 2020

Distribution of selected hydrogeologic characteristics of the upper glacial and Magothy aquifers, Long Island, New York

The Pleistocene- and Cretaceous-age sediments underlying Long Island, New York, compose an important sole-source aquifer system that is nearly 2,000 feet thick in some areas. Sediment characteristics of importance for water supply include water-transmitting properties—horizontal and vertical hydraulic conductivity—and the distribution of lignite,...

Walter, Donald A.; Finkelstein, Jason S.
Walter, D.A., and Finkelstein, J.S., 2020, Distribution of selected hydrogeologic characteristics of the upper glacial and Magothy aquifers, Long Island, New York: U.S. Geological Survey Scientific Investigations Report 2020–5023, 21 p., https://doi.org/10.3133/sir20205023.

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Year Published: 2020

Changes in ecosystem nitrogen and carbon allocation with black mangrove (Avicennia germinans) encroachment into Spartina alterniflora salt marsh

Increases in temperature are expected to facilitate encroachment of tropical mangrove forests into temperate salt marshes, yet the effects on ecosystem services are understudied. Our work was conducted along a mangrove expansion front in Louisiana (USA), an area where coastal wetlands are in rapid decline due to compounding factors, including...

Macy, Aaron; Osland, Michael; Cherry, Julia A; Cebrian, Just

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Year Published: 2020

Growth rates for immature Kemp’s ridley sea turtles from a foraging area in the northern Gulf of Mexico

Examining vital rates helps clarify how environmental characteristics, biological resources and human activities affect population growth. Carapace lengths were gathered for 241 Kemp’s ridley Lepidochelys kempii sea turtles that were marked and recaptured (n = 23) between 2011 and 2019 at a foraging location in northwest Florida, USA....

Lamont, Margaret; Johnson, Darren

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Year Published: 2020

Improved prediction of management-relevant groundwater discharge characteristics throughout river networks

Groundwater discharge zones connect aquifers to surface water, generating baseflow and serving as ecosystem control points across aquatic ecosystems. The influence of groundwater discharge on surface flow connectivity, fate and transport of contaminants and nutrients, and thermal habitat depends strongly on hydrologic characteristics such as the...

Barclay, Janet R.; Starn, J. Jeffrey; Briggs, Martin A.; Helton, Ashley

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Year Published: 2020

Potentiometric surfaces, 2011–12, and water-level differences between 1995 and 2011–12, in wells of the “200-foot,” “500-foot,” and “700-foot” sands of the Lake Charles area, southwestern Louisiana

Water levels were determined in 90 wells to prepare 2011–12 potentiometric surfaces focusing primarily on the “200-foot,” 500-foot,” and “700-foot” sands of the Lake Charles area, which are part of the Chicot aquifer system underlying Calcasieu and Cameron Parishes of southwestern Louisiana. These three aquifers provided 34 percent of the total...

White, Vincent E.; Griffith, Jason M.
White, V.E., and Griffith, J.M., 2020, Potentiometric surfaces, 2011–12, and water-level differences between 1995 and 2011–12, in wells of the “200-foot,” “500-foot,” and “700-foot” sands of the Lake Charles area, southwestern Louisiana: U.S. Geological Survey Scientific Investigations Map 3460, 4 sheets, 11-p. pamphlet, http://dx.doi.org/10.3133/sim3460.

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Year Published: 2020

Modeling soil porewater salinity in mangrove forests (Everglades, Florida, USA) impacted by hydrological restoration and a warming climate

Hydrology is a critical driver controlling mangrove wetlands structural and functional attributes at different spatial and temporal scales. Yet, human activities have negatively affected hydrology, causing mangrove diebacks and coverage loss worldwide. In fact, the assessment of mangrove water budgets, impacted by natural and human disturbances,...

Zhao, Xiaochen; Rivera-Monroy, Victor H.; Wang, Hongqing; Xue, Zuo; Tsai, Cheng-Feng; Willson, C. S.; Castañeda-Moya, E.; Twilley, Robert R.

Filter Total Items: 218
Satellite images showing the Isle de Jean Charles.
April 1, 2017

Isle de Jean Charles, Louisiana

Is Louisiana falling into the sea, or is the sea inundating Louisiana? It's actually a bit of both. To the inhabitants of a tiny island on the bayou, an island getting tinier by the day, it hardly matters.

Satellite image showing New Orleans and Mississippi River delta
March 31, 2017

Satellite Image of New Orleans Region

This image of the New Orleans/Lake Pontchartrain area in Louisiana was acquired March 31, 2017, from the Indian Space Research Organization’s Resourcesat-2 LISS-3 sensor. Land loss and hurricane hazards are key landscape issues here. 

ISRO Resourcesat-2 image of Lake Pontchartrain, March 2017
March 31, 2017

ISRO Resourcesat-2 image of Lake Pontchartrain, March 2017

This is an image acquired with the Linear Imaging Self-Scanning Sensor III on the Indian Space Research Organization's Resourcesat-2 satellite that is now available in the EROS Archive. It is the New Orleans/Lake Pontchartrain area and was acquired March 31, 2017.

January 31, 2017

Rapid salt-marsh erosion in Grand Bay, Mississippi

This time-lapse video shows lateral erosion of a salt marsh in the Grand Bay National Estuarine Research Reserve, part of an embayment near the city of Pascagoula, Mississippi, on the US Gulf coast. Wave action over the course of 6.5 months led to about 1.5 meters of erosion. Researchers from the USGS Woods Hole Coastal and Marine Science Center are studying the influence

Perfect Crop Row with USGS Gage in the distance by Shane Stocks
December 31, 2016

Perfect Row with USGS Gage-Shane Stocks

This image is of a perfect row in a field with a USGS Gage in the background. The image was taken by Shane Stocks out of the LMG Jackson, MS office.

Map showing the location of geophysical and sediment core data collected between 2009 and 2013, and used in the MsCIP project.
December 31, 2016

Geophysical and sediment core data collected between 2009

Location of geophysical and sediment core data collected between 2009 and 2013, and used in the Mississippi Coastal Improvement Project (MsCIP) project.

Team of scientists studied changes in nitrapyrin
December 31, 2016

Team of scientists studied changes in nitrapyrin

A team of scientists studied changes in nitrapyrin — a nitrification inhibitor applied with fertilizers as a bactericide to kill natural soil bacteria for the purpose of increasing crop yields — occurrence associated with land use changes from March to June 2016. The above photographs document the following conditions: recent anhydrous ammonia application (upper left),

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Image: Louisiana Black Bear and Cubs
December 31, 2016

Louisiana Black Bear and Cubs

A Louisiana black bear and her cubs up in a tree. USGS science on population demographics, population viability, and relocation efforts were used to inform the 2016 USFWS decision to remove the species from the Endangered Species List due to recovery. 

Before and after pictures - Hurricane Rita and Holly Beach, Louisiana, USA
December 14, 2016

Before and after pictures - Hurricane Rita and Holly Beach, Louisiana

Hurricanes can cause severe beach erosion
———————​​​​​​​—​​​​​​​—​​​​​​​—​​​​​​​—​​​​​​​—​​​​​​​—​​​​​​​—​​​​​​​—​​​​​​​—​​​​​​​—​​​​​​​—​​​​​​​—​​​​​​​—​​​​​​​—​​​​​​​—

The Storm-Induced Coastal Change Hazards component of the of the National Assessment of Coastal Change Hazards project

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Satellite image that shows the flooding in Iowa for the Cedar River.
September 26, 2016

Cedar River Surges to Second-Highest Level in Eastern Iowa

Images from Landsat 8's Operational Land Imager sensor show the dramatic transformation of the river as it flows toward Cedar Rapids. On July 8, 2016, the shallow river meanders into the city, surrounded by green crops in the heart of the growing season. The September 26 image shows the overflowing river at a time when magenta tones around it speak to a countryside

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August 27, 2016

Live Chat with James Fountain on Louisiana Floods

This was a Facebook Live video conducted with James Fountain of the USGS discussing the Louisiana flooding in August 2016 and the personal experience James had with this event. Questions and comments during the live video at: https://www.facebook.com/USGeologicalSurvey/videos/1144228595623122/

Filter Total Items: 248
2016 Topo of Des Moines
January 26, 2016

New US Topo maps for Iowa and Kansas are now available in the USGS Store for free download. The new maps of these Midwestern states feature the inclusion of the U.S. Census Bureau’s Topologically Integrated Geographic Encoding and Referencing (TIGER) road data.

USGS
January 15, 2016

Significant flood peaks occurred across the Arkansas, White and Red River Basins in Arkansas beginning on Dec. 26 and the rivers are still high, according to the U.S. Geological Survey.

Image: USGS Measures Historic Flooding Across the Nation
January 4, 2016

U.S. Geological Survey field crews are measuring record flooding on rivers and streams in 12 states across the country. USGS is making preparations for a prolonged field effort along the Ohio and Mississippi Rivers as major flooding will extend well into mid-to-late January, particularly along the lower Mississippi River.

Hydrograph of White River at Augusta, Arkansas, December 24-31, 2015. Left side shows Gage height 31-36 feet. Bottom is days.
December 31, 2015

Heavy rainfall of up to 10 inches in northern and western Arkansas that fell during the Christmas weekend is still causing major flooding in some areas.

USGS
December 27, 2015

U.S. Geological Survey field crews are measuring flooding on rivers and streams across southwestern and southern Missouri and northeast into the St. Louis area.

Planned US Topo map production schedule for the next three- year revision cycle
November 19, 2015

With the release of new US Topo maps for Illinois and South Dakota, the USGS has completed the second, three-year cycle of revising and updating electronic US Topo quadrangles. This means that since late 2009, the USGS has published nearly every map in the conterminous U.S., twice.

USGS
November 18, 2015

U.S. Geological Survey field crews are measuring flooding on rivers and streams across central and southern Missouri.

USGS
November 17, 2015

Fact sheets that detail information about parish water resources and water-use are available online for 34 of the state’s 64 parishes, with more coming soon.

Image: EON Geosciences Airplane
October 17, 2015

U.S. Geological Survey scientists will conduct a high-resolution airborne survey to study the rock layers under a region of northeastern Iowa, starting Monday, October 19, and lasting into November.

collage of scientists conducting science related to each mission are
October 15, 2015

Grass carp egg survival is compromised when they settle on streambeds and are potentially covered by sediments, according to a new study by the U.S. Geological Survey. It has been long assumed that the eggs of Asian carps, including grass carp, must be carried in the water current in order to hatch successfully, but no previous scientific studies have proven that theory.