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Browse more than 160,000 publications authored by our scientists over the past 100+ year history of the USGS.  Publications available are: USGS-authored journal articles, series reports, book chapters, other government publications, and more.

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We are focused on some of the most significant issues society faces, and our science is making a substantial contribution to the well-being of the Nation and the world. Learn more about the major topics our research covers and the programs focused on those topics.

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Numerical model of the groundwater-flow system near the southeastern part of Puget Sound, Washington Numerical model of the groundwater-flow system near the southeastern part of Puget Sound, Washington

Groundwater flow in the active model area (AMA) was simulated using a groundwater-flow model. A steady-state model version of the model simulates equilibrium conditions, and a transient model version simulates monthly variability. The model corresponds to the physical and temporal dimensions of the conceptual model and groundwater budget. The steady-state model version represents average
Authors
Andrew J. Long, Elise E. Wright, Leland T. Fuhrig, Valerie A.L. Bright
By
Water Resources Mission Area, Washington Water Science Center

Conceptual hydrogeologic framework and groundwater budget near the southeastern part of Puget Sound, Washington Conceptual hydrogeologic framework and groundwater budget near the southeastern part of Puget Sound, Washington

More than 1 million people live within the active model area (AMA) in the southeastern part of the lowlands surrounding Puget Sound, or Puget Lowland, Washington, and groundwater is the source for approximately one-half of their public, domestic, and irrigation water demands. The 887-square-mile AMA, located in King and Pierce Counties, represents the area of analysis for the conceptual
Authors
Wendy B. Welch, Valerie A.L. Bright, Andrew S. Gendaszek, Sarah B. Dunn, Alexander O. Headman, Elisabeth T. Fasser
By
Water Resources Mission Area, Washington Water Science Center

Invasive blue catfish in the Chesapeake Bay: A risk to realizing Bay restoration investments Invasive blue catfish in the Chesapeake Bay: A risk to realizing Bay restoration investments

Introduction The partners of the Chesapeake Bay are investing billions of dollars in the restoration of critical habitats to improve conditions for people and living resources throughout the Bay and its watershed. However, the recent proliferation of invasive Ictalurus furcatus (blue catfish) in the Chesapeake Bay’s major rivers has the potential to disrupt these restoration efforts and...
Authors
Ellen Robertson, Jenn Malpass, Christopher Ottinger, John Griffin, Christine Densmore, Kenneth Hyer
By
Chesapeake Bay Activities, Eastern Ecological Science Center

Forest wildlife management Forest wildlife management

No abstract available.
Authors
Steven Mark Grodsky, Christopher E. Moorman, Kevin R. Russell
By
Cooperative Research Units

The reach-scale biogeomorphic effect of submerged macrophytes on trout habitat suitability The reach-scale biogeomorphic effect of submerged macrophytes on trout habitat suitability

Submerged macrophytes have complex effects on spatiotemporal characteristics of river ecosystems, including trout habitat. We investigated the impact of submerged macrophyte coverage on trout habitat in the Henrys Fork of the Snake River, Idaho, USA. We hypothesized that higher submerged macrophyte coverage would create new habitat types beneficial for trout growth. We assessed river...
Authors
John S. McLaren, Robert W. Van Kirk, Phaedra E. Budy, Soren Brothers
By
Cooperative Research Units

Characterization of groundwater resources near the southeastern part of Puget Sound, Washington Characterization of groundwater resources near the southeastern part of Puget Sound, Washington

More than 1 million people live within the active model area (AMA) in the southeastern part of the lowlands surrounding Puget Sound, or Puget Lowland, Washington, and groundwater is the source for approximately one-half of their public, domestic, and irrigation water demands. The 887-square-mile AMA, located in King and Pierce Counties, represents the area of analysis for the conceptual
By
Water Resources Mission Area, Washington Water Science Center
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