Publications
Filter Total Items: 1451
Linking geology and health sciences to assess childhood lead poisoning from artisanal gold mining in Nigeria Linking geology and health sciences to assess childhood lead poisoning from artisanal gold mining in Nigeria
Background: In 2010, Médecins Sans Frontières discovered a lead poisoning outbreak linked to artisanal gold processing in northwestern Nigeria. The outbreak has killed approximately 400 young children and affected thousands more. Objectives: Our aim was to undertake an interdisciplinary geological- and health-science assessment to clarify lead sources and exposure pathways, identify...
Authors
Geoffrey S. Plumlee, James T. Durant, Suzette A. Morman, Antonio Neri, Ruth E. Wolf, Carrie A. Dooyema, Philip L. Hageman, Heather Lowers, Gregory L. Fernette, Gregory P. Meeker, William Benzel, Rhonda L. Driscoll, Cyrus J. Berry, James G. Crock, Harland L. Goldstein, Monique Adams, Casey L. Bartrem, Simba Tirima, Behbod Behrooz, Ian von Lindern, Mary Jean Brown
Late Pleistocene and Holocene uplift history of Cyprus: implications for active tectonics along the southern margin of the Anatolian microplate Late Pleistocene and Holocene uplift history of Cyprus: implications for active tectonics along the southern margin of the Anatolian microplate
The nature of the southern margin of the Anatolian microplate during the Neogene is complex, controversial and fundamental in understanding active plate-margin tectonics and natural hazards in the Eastern Mediterranean region. Our investigation provides new insights into the Late Pleistocene uplift history of Cyprus and the Troodos Ophiolite. We provide isotopic (14C) and radiogenic...
Authors
R.W. Harrison, E. Tsiolakis, B. D. Stone, A. Lord, J. P. McGeehin, S. A. Mahan, P. Chirico
Human and biophysical influences on fire occurrence in the United States Human and biophysical influences on fire occurrence in the United States
National-scale analyses of fire occurrence are needed to prioritize fire policy and management activities across the United States. However, the drivers of national-scale patterns of fire occurrence are not well understood, and how the relative importance of human or biophysical factors varies across the country is unclear. Our research goal was to model the drivers of fire occurrence...
Authors
Todd Hawbaker, Volker C. Radeloff, Susan I. Stewart, Roger B. Hammer, Nicholas S. Keuler, Murray K. Clayton
The geologic records of dust in the Quaternary The geologic records of dust in the Quaternary
Study of geologic records of dust composition, sources and deposition rates is important for understanding the role of dust in the overall planetary radiation balance, fertilization of organisms in the world’s oceans, nutrient additions to the terrestrial biosphere and soils, and for paleoclimatic reconstructions. Both glacial and non-glacial processes produce fine-grained particles that...
Authors
Daniel R. Muhs
Geochronologic evidence for a possible MIS-11 emergent barrier/beach-ridge in southeastern Georgia, USA Geochronologic evidence for a possible MIS-11 emergent barrier/beach-ridge in southeastern Georgia, USA
Predominantly clastic, off-lapping, transgressive, near-shore marine sediment packages that are morphologically expressed as subparallel NE-trending barriers, beach ridges, and associated back-barrier areas, characterize the near-surface stratigraphic section between the Savannah and the Ogeechee Rivers in Effingham County, southeastern Georgia. Each barrier/back-barrier (shoreline)...
Authors
H. W. Markewich, M.J. Pavich, A. P. Schultz, S. A. Mahan, W. B. Aleman-Gonzalez, P.R. Bierman
Low footwall accelerations and variable surface rupture behavior on the Fort Sage Mountains fault, northeast California Low footwall accelerations and variable surface rupture behavior on the Fort Sage Mountains fault, northeast California
The Fort Sage Mountains fault zone is a normal fault in the Walker Lane of the western Basin and Range that produced a small surface rupture (
Authors
Richard W. Briggs, Steven G. Wesnousky, James N. Brune, Matthew D. Purvance, Shannon Mahan
Iron mineralogy and bioaccessibility of dust generated from soils as determined by reflectance spectroscopy and magnetic and chemical properties--Nellis Dunes recreational area, Nevada Iron mineralogy and bioaccessibility of dust generated from soils as determined by reflectance spectroscopy and magnetic and chemical properties--Nellis Dunes recreational area, Nevada
Atmospheric mineral dust exerts many important effects on the Earth system, such as atmospheric temperatures, marine productivity, and melting of snow and ice. Mineral dust also can have detrimental effects on human health through respiration of very small particles and the leaching of metals in various organs. These effects can be better understood through characterization of the...
Authors
Harland L. Goldstein, Richard L. Reynolds, Suzette A. Morman, Bruce Moskowitz, Raymond F. Kokaly, Dirk Goossens, Brenda J. Buck, Cody Flagg, Jessica Till, Kimberly Yauk, Thelma S. Berquo
Air temperature, wind speed, and wind direction in the National Petroleum Reserve—Alaska and the Arctic National Wildlife Refuge, 1998–2011 Air temperature, wind speed, and wind direction in the National Petroleum Reserve—Alaska and the Arctic National Wildlife Refuge, 1998–2011
This report provides air temperature, wind speed, and wind direction data collected on Federal lands in Arctic Alaska over the period August 1998 to July 2011 by the U.S. Department of the Interior's climate monitoring array, part of the Global Terrestrial Network for Permafrost. In addition to presenting data, this report also describes monitoring, data collection, and quality control...
Authors
Frank E. Urban, Gary D. Clow
From the Island of the Blue Dolphins: A unique 19th century cache feature from San Nicolas Island, California From the Island of the Blue Dolphins: A unique 19th century cache feature from San Nicolas Island, California
A cache feature salvaged from an eroding sea cliff on San Nicolas Island produced two redwood boxes containing more than 200 artifacts of Nicoleño, Native Alaskan, and Euro-American origin. Outside the boxes were four asphaltum-coated baskets, abalone shells, a sandstone dish, and a hafted stone knife. The boxes, made from split redwood planks, contained a variety of artifacts and...
Authors
Jon M. Erlandson, Lisa Thomas-Barnett, Rene L. Vellanoweth, Steven J. Schwartz, Daniel R. Muhs
Aeolian controls of soil geochemistry and weathering fluxes in high-elevation ecosystems of the Rocky Mountains, Colorado Aeolian controls of soil geochemistry and weathering fluxes in high-elevation ecosystems of the Rocky Mountains, Colorado
When dust inputs are large or have persisted for long periods of time, the signature of dust additions are often apparent in soils. The of dust will be greatest where the geochemical composition of dust is distinct from local sources of soil parent material. In this study the influence of dust accretion on soil geochemistry is quantified for two different soils from the San Juan...
Authors
Corey R. Lawrence, Richard L. Reynolds, Michael E. Kettterer, Jason C. Neff
How do migratory species add ecosystem service value to wilderness? Calculating the spatial subsidies provided by protected areas How do migratory species add ecosystem service value to wilderness? Calculating the spatial subsidies provided by protected areas
Species that migrate through protected and wilderness areas and utilize their resources, deliver ecosystem services to people in faraway locations. The mismatch between the areas that most support a species and those areas where the species provides most benefits to society can lead to underestimation of the true value of protected areas such as wilderness. We present a method to...
Authors
Laura Lopez-Hoffman, Darius J. Semmens, Jay Diffendorfer
U.S. Geological Survey science for the Wyoming Landscape Conservation Initiative: 2011 annual report U.S. Geological Survey science for the Wyoming Landscape Conservation Initiative: 2011 annual report
This is the fourth report produced by the U.S. Geological Survey (USGS) for the Wyoming Landscape Conservation Initiative (WLCI) to detail annual work activities. In FY2011, there were 37 ongoing, completed, or new projects conducted under the five major multi-disciplinary science and technical-assistance activities: (1) Baseline Synthesis, (2) Targeted Monitoring and Research, (3) Data...
Authors
Zachary H. Bowen, Cameron L. Aldridge, Patrick J. Anderson, Timothy J. Assal, Laura Biewick, Steven W. Blecker, Gregory K. Boughton, Natasha B. Carr, Anna D. Chalfoun, Geneva W. Chong, Melanie L. Clark, Jay E. Diffendorfer, Bradley C. Fedy, Katharine Foster, Steven L. Garman, Stephanie Germaine, Matthew G. Hethcoat, JoAnn Holloway, Collin G. Homer, Matthew J. Kauffman, Douglas Keinath, Natalie Latysh, Daniel J. Manier, Robert R. McDougal, Cynthia P. Melcher, Kirk A. Miller, Jessica Montag, Edward M. Olexa, Christopher J. Potter, Spencer Schell, Sarah L. Shafer, David B. Smith, Lisa L. Stillings, Michael J. Sweat, Michele L. Tuttle, Anna B. Wilson