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Browse more than 82,000 reports authored by our scientists over the past 100+ year history of the USGS and refine search by topic, location, year, and advanced search.

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A prioritization plan for coastal wetland restoration on Molokaʻi A prioritization plan for coastal wetland restoration on Molokaʻi

No abstract available.
Authors
Judith Z. Drexler
By
California Water Science Center

Hydrologic study of green infrastructure in poorly drained urbanized soils at RecoveryPark, Detroit, Michigan, 2014–21 Hydrologic study of green infrastructure in poorly drained urbanized soils at RecoveryPark, Detroit, Michigan, 2014–21

Uncontrolled stormwater runoff volume is a legacy stressor on sewer-system capacity that is further compromised by the effects of aging infrastructure. Green stormwater infrastructure (GSI) has been used in a variety of designs and configurations (for example, bioretention) with the goal of increasing evapotranspiration and infiltration in the local water cycle. In practice, GSIs have...
Authors
Ralph J. Haefner, Christopher J. Hoard, William Shuster
By
Upper Midwest Environmental Sciences Center, Upper Midwest Water Science Center

Peak streamflow trends in Missouri and their relation to changes in climate, water years 1921–2020 Peak streamflow trends in Missouri and their relation to changes in climate, water years 1921–2020

This report characterizes changes in peak streamflow in Missouri and the relation of these changes to climatic variability, and provides a foundation for future studies that can address nonstationarity in peak-streamflow frequency analysis in Missouri. Records of annual peak and daily streamflow at streamgages and gridded monthly climatic data (observed and modeled) were examined across...
Authors
Mackenzie K. Marti, David C. Heimann
By
Central Midwest Water Science Center

National shoreline change—Summary statistics for vector shorelines from the early 1900s to the 2010s for Puerto Rico National shoreline change—Summary statistics for vector shorelines from the early 1900s to the 2010s for Puerto Rico

The U.S. Geological Survey (USGS) maintains a database of historical shoreline positions for the United States coasts derived from historical sources, such as aerial photographs or topographic surveys, and contemporary sources, such as modern orthophotography, light detection and ranging (lidar) point clouds, and digital elevation models. These shorelines are compiled within a geographic
Authors
Rachel E. Henderson, Julia L. Heslin, Emily A. Himmelstoss, Maritza Barreto-Orta
By
Coastal and Marine Hazards and Resources Program, Woods Hole Coastal and Marine Science Center

Using ground crack and very low frequency measurements to map the location of the June 2007 Father’s Day dike, Kīlauea Volcano Using ground crack and very low frequency measurements to map the location of the June 2007 Father’s Day dike, Kīlauea Volcano

An intrusion into Kīlauea’s upper East Rift Zone during June 17–19, 2007, during the 1983–2018 Pu‘u‘ō‘ō eruption, led to widespread ground cracking and a small (approximately 1,525 cubic meters) eruption on the northeast flank of Kānenuiohamo, a cone about 6 kilometers upslope from Pu‘u‘ō‘ō. Transmitted and induced very low frequency (VLF) magnetic fields were measured with a handheld...
Authors
Tim R. Orr, James P. Kauahikaua, Christina Heliker
By
Volcano Hazards Program, Volcano Science Center

Modeling the impacts of Glen Canyon Dam operations on Colorado River resources Modeling the impacts of Glen Canyon Dam operations on Colorado River resources

At the time of this report, the Bureau of Reclamation (Reclamation) is writing two supplemental Environmental Impact Statements (sEIS ) and a new Environmental Impact Statement (EIS) that will analyze the effects of changing water flow out of Glen Canyon Dam (GCD) (U.S. Department of Interior, 2024). These actions have the potential to affect downstream resources, including threatened...
Authors
Charles B. Yackulic, Lucas Bair, Drew Elliot Eppehimer, Gerard Lewis Salter, Bridget R. Deemer, Bradley J. Butterfield, Alan Kasprak, Joshua Caster, Helen C. Fairley, Paul E. Grams, Bryce Anthony Mihalevich, Emily C. Palmquist, Joel B. Sankey
By
Ecosystems Mission Area, Southwest Biological Science Center
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