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Publications

Read publications and other informational products to learn more about USGS science occurring in the Mississippi Basin.

Filter Total Items: 5654

Current and future potential net greenhouse gas sinks of existing, converted, and restored marsh and mangrove forest habitats Current and future potential net greenhouse gas sinks of existing, converted, and restored marsh and mangrove forest habitats

Marsh and mangrove forest habitats are productive at capturing and storing carbon, thus actions to protect and create coastal blue carbon sinks could help mitigate global warming. Dredged material is often used to create coastal habitats and evaluating the carbon impact of placement alternatives (PA) could help inform restoration and climate policies. Output from a Delft3D-FM...
Authors
Melissa Millman Baustian, Hoonshin Jung, Bingqing Liu, Leland C. Moss, Madeline R. Foster-Martinez, Christopher R. Esposito, Ioannis Y. Georgiou, Martijn C. Bregman, Diana R. Di Leonardo, Brett McMann, Scott A. Hemmerling, Michael D. Miner

Predicting the persistence of salamanders: consequences of phenological shifts for species of management concern on DoD lands Predicting the persistence of salamanders: consequences of phenological shifts for species of management concern on DoD lands

As climate change effects intensify, key life history events may become decoupled from necessary biotic and abiotic resources. For species of management concern on Department of Defense (DoD) lands, these shifts in phenology may prove difficult to address without a mechanistic understanding of the drivers of such changes. We sought to determine the causes and effects of phenological...
Authors
Susan Walls, Thomas L. Anderson, Houston C. Chandler, Carola A. Haas, Jon M. Davenport

Numerical modeling of circulation and wave dynamics along the shoreline of Shinnecock Indian Nation in Long Island, New York Numerical modeling of circulation and wave dynamics along the shoreline of Shinnecock Indian Nation in Long Island, New York

The Shinnecock Indian Nation on Long Island, New York, faces challenges of shoreline retreat, saltwater intrusion, and flooding of the Tribal lands under changing climate and rising sea level. However, understanding of the dynamics of tidal circulation and waves and their impacts on the Shinnecock Indian Nation’s shoreline remains limited. This numerical study employs the integrated...
Authors
Ling Zhu, Hongqing Wang, Qin Chen, William Capurso, Michael Noll

Estimated reductions in phosphorus loads from removal of leaf litter in the Lake Champlain drainage area, Vermont Estimated reductions in phosphorus loads from removal of leaf litter in the Lake Champlain drainage area, Vermont

Excess nutrient loading and other factors are driving eutrophication and other negative effects on water-quality conditions in Lake Champlain and other receiving waters in Vermont. Two common best management practices were evaluated to determine how these practices can be optimized by targeting maintenance and operation to align better with seasonally driven needs, specifically to help
Authors
Jason R. Sorenson, James M. Pease, Jeremy K. Foote, Ann T. Chalmers, David H. Ainley, Clayton J. Williams

Gulf Stream intrusion and deep current upwelling drive dynamic patterns of temperature and food supply within cold-water coral reefs Gulf Stream intrusion and deep current upwelling drive dynamic patterns of temperature and food supply within cold-water coral reefs

One of the most significant features of the Northwest Atlantic, the Gulf Stream influences high magnitude environmental fluctuations in deep habitats across the South Atlantic Bight. Amid this variability, the Blake Plateau harbors extensive reefs formed by cold-water corals that were previously assumed to rely on narrow ranges of temperature, currents, and particulate supply. A benthic...
Authors
Jane V. Carrick, Furu Mienis, Erik E. Cordes, Amanda J. Demopoulos, Andrew J. Davies

Methane emissions associated with bald cypress knees across the Mississippi River Alluvial Valley Methane emissions associated with bald cypress knees across the Mississippi River Alluvial Valley

In freshwater forested wetlands, bald cypress knees (Taxodium distichum (L.) Rich.) have the potential to emit large amounts of methane (CH4), but only a few studies have examined their greenhouse gas contribution. In this study, we measured CH4 fluxes associated with cypress knees across various climate and flooding gradients of the Mississippi River Alluvial Valley in southcentral...
Authors
Melinda Martinez, Robert Bordelon, Beth A. Middleton, Jorge A. Villa, Hojeong Kang, Inyoung Jang

Aboveground carbon stocks across a hydrological gradient: Ghost forests to non-tidal freshwater forested wetlands Aboveground carbon stocks across a hydrological gradient: Ghost forests to non-tidal freshwater forested wetlands

Upper estuarine forested wetlands (UEFWs) play an important role in the sequestration of atmospheric carbon (C), which is facilitated by their position at the boundary of terrestrial and maritime environments but threatened by sea level rise. This study assessed the change in aboveground C stocks along the estuarine–riverine hydrogeomorphic gradient spanning salt-impacted freshwater...
Authors
Christopher J. Shipway, Jamie A. Duberstein, William H. Conner, Ken Krauss, Gregory B. Noe, Stefanie L. Whitmire

Forest cover lessens hurricane impacts on peak streamflow Forest cover lessens hurricane impacts on peak streamflow

Cyclonic storms (i.e., hurricanes) are powerful disturbance events that often cause widespread forest damage. Storm-related canopy damage reduces rainfall interception and evapotranspiration, but impacts on streamflow regimes are poorly understood. We quantify streamflow changes in Puerto Rico following Hurricane Maria in September 2017, and evaluate whether forest cover and storm...
Authors
Jazlynn S. Hall, Martha A. Scholl, James B. Shanley, Serena Matt, Maria Uriarte

Ecological function maintained despite mesomammal declines Ecological function maintained despite mesomammal declines

Mid-sized mammals (i.e., mesomammals) fulfill important ecological roles, serving as essential scavengers, predators, pollinators, and seed dispersers in the ecosystems they inhabit. Consequently, declines in mesomammal populations have the potential to alter ecological processes and fundamentally change ecosystems. However, ecosystems characterized by high functional redundancy, where...
Authors
Rebecca K. McKee, Paul J. Taillie, Kristen Hart, Christopher L. Lopez, Adam Sanjar, Robert A. McCleery

Vulnerability of endemic insular mole skinks to sea-level rise Vulnerability of endemic insular mole skinks to sea-level rise

Although coastal islands are home to many endemic species, they are also at risk of inundation from storm surge and sea level rise. Three subspecies of mole skink (Plestiodon egregius egregius, P. e. insularis, and the Egmont Key Mole Skink known from a single occurrence) occur on a small number of islands off the Gulf Coast of Florida, USA. We used the most recent sea level rise...
Authors
Erin L. Koen, William Barichivich, Susan Walls

Community for Data Integration 2020 project report Community for Data Integration 2020 project report

The U.S. Geological Survey Community for Data Integration annually funds small projects focusing on data integration for interdisciplinary research, innovative data management, and demonstration of new technologies. This report provides a summary of the 12 projects funded in fiscal year 2020, outlining their goals, activities, and accomplishments.
Authors
Leslie Hsu, Emily G. Chapin, Theodore B. Barnhart, Amanda E. Cravens, Richard A. Erickson, Jason Ferrante, Aaron Fox, Nathaniel P. Hitt, Margaret Hunter, Katharine Kolb, Jared R. Peacock, Matthew D. Petkewich, Sasha C. Reed, Terry Sohl, Tanja N. Williamson
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