Marine geology and tectonics--What is under all that water?
David W. Scholl, Warren J. Nokleberg
Thomas K. Bundtzen, Warren J. Nokleberg, Raymond A. Price, David W. Scholl, David B. Stone, editor(s)
2017, Book chapter, Dynamic geology of the Northern Cordillera (Alaska and western Canada) and adjacent marine areas: Tectonics, hazards, and resources
This chapter is divided into two main sections. The first section is on Marine Geology Seascapes (what earth scientists call bathymetry). The second section is on Tectonics of Marine Areas....
Disrupted carbon cycling in restored and unrestored urban streams: Critical timescales and controls
L. G. Larsen, Judson Harvey
2017, Limnology and Oceanography (62) S160-S182
Carbon fixation and respiration in flowing waterways play significant roles in global and regional carbon budgets, yet how land use and watershed management interact with temporal disturbances (storms) to influence metabolism remains poorly understood. Here, we combine long-term with synoptic sampling of metabolism and its variable controls in neighboring watersheds...
A model-based approach to wildland fire reconstruction using sediment charcoal records
Malcolm S. Itter, Andrew O. Finley, Mevin Hooten, Philip E. Higuera, Jennifer R. Marlon, Ryan Kelly, Jason S. McLachlan
2017, Environmetrics (28) 1-15
Lake sediment charcoal records are used in paleoecological analyses to reconstruct fire history, including the identification of past wildland fires. One challenge of applying sediment charcoal records to infer fire history is the separation of charcoal associated with local fire occurrence and charcoal originating from regional fire activity. Despite a...
Changes in movements of Chinook Salmon between lakes Huron and Michigan after Alewife population collapse
Richard D. Clark, James R. Bence, Randall M. Claramunt, John A. Clevenger, Matthew S. Kornis, Charles R. Bronte, Charles P. Madenjian, Edward F. Roseman
2017, North American Journal of Fisheries Management (37) 1311-1331
Alewives Alosa pseudoharengus are the preferred food of Chinook Salmon Oncorhynchus tshawytscha in the Laurentian Great Lakes. Alewife populations collapsed in Lake Huron in 2003 but remained comparatively abundant in Lake Michigan. We analyzed capture locations of coded-wire-tagged Chinook Salmon before, during, and after Alewife collapse (1993–2014). We contrasted the pattern of tag recoveries...
Inference of timber harvest effects on survival of stream amphibians is complicated by movement
Nathan Chelgren, M. J. Adams
2017, Copeia (105) 714-727
The effects of contemporary logging practices on headwater stream amphibians have received considerable study but with conflicting or ambiguous results. We posit that focusing inference on demographic rates of aquatic life stages may help refine understanding, as aquatic and terrestrial impacts may differ considerably. We investigated in-stream survival and movement...
Organic chemical characterization and mass balance of a hydraulically fractured well: From fracturing fluid to produced water over 405 days
James Rosenblum, E. Michael Thurman, Imma Ferrer, George R. Aiken, Karl G. Linden
2017, Environmental Science & Technology (51) 14006-14015
A long-term field study (405 days) of a hydraulically fractured well from the Niobrara Formation in the Denver-Julesburg Basin was completed. Characterization of organic chemicals used in hydraulic fracturing and their changes through time, from the preinjected fracturing fluid to the produced water, was conducted. The characterization consisted of a...
Introduction
Warren J. Nokleberg
Thomas K. Bundtzen, Warren J. Nokleberg, Raymond A. Price, David W. Scholl, David B. Stone, editor(s)
2017, Book chapter, Dynamic geology of the Northern Cordillera (Alaska and western Canada) and adjacent marine areas: Tectonics, hazards, and resources
No abstract available....
Differences in human versus lightning fires between urban and rural areas of the boreal forest in interior Alaska
Monika Calef, Anna Varvak, A. David McGuire
2017, Forests (8)
In western North America, the carbon-rich boreal forest is experiencing warmer temperatures, drier conditions and larger and more frequent wildfires. However, the fire regime is also affected by direct human activities through suppression, ignition, and land use changes. Models are important predictive tools for understanding future conditions but they are...
Landscapes and seascapes and tectonics
Warren J. Nokleberg, David Scholl, Thomas K. Bundtzen, David B. Stone
Thomas K. Bundtzen, Warren J. Nokleberg, Raymond A. Price, David W. Scholl, David B. Stone, editor(s)
2017, Book chapter, Dynamic geology of the Northern Cordillera (Alaska and western Canada) and adjacent marine areas: Tectonics, hazards, and resources
No abstract available....
Age structure
Craig P. Paukert, Jonathan J. Spurgeon
2017, Book chapter, Age and growth of fishes: Principles and techniques
No abstract available....
Perspectives on chemical oceanography in the 21st century: Participants of the COME ABOARD Meeting examine aspects of the field in the context of 40 years of DISCO
Andrea J. Fassbender, Hilary I. Palevsky, Todd R. Martz, Anitra E. Ingalls, Martha Gledhill, Sarah E. Fawcett, Jay Brandes, Lihini Aluwihare, Robert M. Anderson, Sara Bender, Ed Boyle, Debbie Bronk, Ken Buesseler, David J. Burdige, Karen Casciotti, Hilary G. Close, Maureen Conte, Greg Cutter, Meg Estapa, Katja Fennel, Sara Ferron, Brian Glazer, Miguel Goni, Max Grand, Chris Guay, Mariko Hatta, Chris Hayes, Tristan Horner, Ellery Ingall, Kenneth G. Johnson, Laurie Juranek, Angela Knapp, Phoebe Lam, George Luther, Paty Matrai, David Nicholson, Adina Paytan, Robert Pellenbarg, Kim Popendorf, Christopher M. Reddy, Kathleen Ruttenberg, Chris Sabine, Frank Sansone, Nayrah Shaltout, Liz Sikes, Eric T. Sundquist, David Valentine, Zhao Wang, Sam Wilson, Pamela Barrett, Melanie Behrens, Anna Belcher, Lauren Biermann, Rene Boiteau, Jennifer Clarke, Jamie Collins, Alysha Coppola, Alina M. Ebling, Fenix Garcia-Tigreros, Johanna Goldman, Elisa F. Guallart, William Haskell, Sarah Hurley, David Janssen, Winn Johnson, Sinikka Lennhartz, Shuting Liu, Shaily Rahman, Daisy Ray, Amit Sarkar, Zvika Steiner, Brittany Widner, Bo Yang
2017, Marine Chemistry (196) 181-190
The questions that chemical oceanographers prioritize over the coming decades, and the methods we use to address these questions, will define our field's contribution to 21st century science. In recognition of this, the U.S. National Science Foundation and National Oceanic and Atmospheric Administration galvanized a community effort (the Chemical Oceanography...
Predicting outcomes of restored Everglades high flow: A model system for scientifically managed floodplains
Jay Choi, Judson Harvey
2017, Restoration Ecology (25) S39-S47
Restoration of higher flows through the Everglades is intended to reestablish sheetflow to rebuild a well-functioning ridge and slough landscape that supports a productive and diverse ecosystem. Our objective of the study was to use hydrologic simulations and biophysical analysis to predict restoration outcomes for five major subbasins of the...
The response of soil and stream chemistry to decreases in acid deposition in the Catskill Mountains, New York, USA
Michael McHale, Douglas A. Burns, Jason Siemion, Michael R. Antidormi
2017, Environmental Pollution (229) 607-620
The Catskill Mountains have been adversely impacted by decades of acid deposition, however, since the early 1990s, levels have decreased sharply as a result of decreases in emissions of sulfur dioxide and nitrogen oxides. This study examines trends in acid deposition, stream-water chemistry, and soil chemistry in the southeastern Catskill...
Osmoregulation and muscle water control in vitro facing salinity stress of the Amazon fish Oscar Astronotus ocellatus (Cichlidae)
Silvia M. M. Gutierre, Jessica M. Schulte, Pamela J. Schofield, Viviane Prodocimo
2017, Marine and Freshwater Behaviour and Physiology (50) 303-311
Specimens of Oscar Astronotus ocellatus from a fish farm were abruptly submitted to salt stress of 14 ppt and 20 ppt, for 3 and 8 h to determine their plasma osmolality. Muscle wet body mass change in vitro was analyzed from control freshwater animals. Fish in 14 ppt presented no osmolality distress even after 8 h....
Updated polychlorinated biphenyl mass budget for Lake Michigan
Jiehong Guo, Kevin Romanak, Stephen M. Westenbroek, An Li, Russell Kreis, Ronald A. Hites, Marta Venier
2017, Environmental Science & Technology (51) 12455-12465
This study revisits and updates the Lake Michigan Mass Balance Project (LMMBP) for polychlorinated biphenyls (PCBs) that was conducted in 1994–1995. This work uses recent concentrations of PCBs in tributary and open lake water, air, and sediment to calculate an updated mass budget. Five of the 11 LMMBP tributaries were...
Effects of industrial and investigator disturbance on Arctic-nesting geese
Brandt W. Meixell, Paul L. Flint
2017, Journal of Wildlife Management (81) 1372-1385
Oil and gas development on the Arctic Coastal Plain (ACP) of Alaska, USA may have effects on Arctic-nesting birds. To estimate effects of industrial activity and investigator disturbance on avian productivity, we monitored nests of greater white-fronted geese (Anser albifrons) with digital cameras and periodic nest visits during 2013–2014 at...
Survival, movement, and distribution of juvenile Burbot in a tributary of the Kootenai River
Zachary S. Beard, Michael C. Quist, Ryan S. Hardy, Tyler J. Ross
2017, North American Journal of Fisheries Management (37) 1274-1288
Burbot Lota lota in the lower Kootenai River, Idaho, have been the focus of extensive conservation efforts, particularly the release of hatchery-reared juvenile Burbot into small tributaries. The Idaho Department of Fish and Game installed a fixed PIT antenna on Deep Creek, a tributary of the Kootenai River, to evaluate movement of...
Suspended sediment, turbidity, and stream water temperature in the Sauk River Basin, western Washington, water years 2012-16
Kristin L. Jaeger, Christopher A. Curran, Scott W. Anderson, Scott T. Morris, Patrick W. Moran, Katherine A. Reams
2017, Scientific Investigations Report 2017-5113
The Sauk River is a federally designated Wild and Scenic River that drains a relatively undisturbed landscape along the western slope of the North Cascade Mountain Range, Washington, which includes the glaciated volcano, Glacier Peak. Naturally high sediment loads characteristic of basins draining volcanoes like Glacier Peak make the...
Tree sampling as a method to assess vapor intrusion potential at a site characterized by VOC-contaminated groundwater and soil
Jordan L. Wilson, Matthew A. Limmer, V.A. Samaranayake, John G. Schumacher, Joel G. Burken
2017, Environmental Science & Technology (51) 10369-10378
Vapor intrusion (VI) by volatile organic compounds (VOCs) in the built environment presents a threat to human health. Traditional VI assessments are often time-, cost-, and labor-intensive; whereas traditional subsurface methods sample a relatively small volume in the subsurface and are difficult to collect within and near structures. Trees could...
Restoration of contaminated ecosystems: adaptive management in a changing climate
Aida Farag, Diane L. Larson, Jenny Stauber, Ralph Stahl, John Isanhart, Kevin T. McAbee, Christopher J. Walsh
2017, Restoration Ecology (25) 884-893
Three case studies illustrate how adaptive management (AM) has been used in ecological restorations that involve contaminants. Contaminants addressed include mercury, selenium, and contaminants and physical disturbances delivered to streams by urban stormwater runoff. All three cases emphasize the importance of broad stakeholder input early and consistently throughout decision analysis...
Climate and land-use change in wetlands: A dedication
Beth A. Middleton
2017, Ecosystem Health and Sustainability (3) 1-2
Future climate and land-use change may wreak havoc on wetlands, with the potential to erode their values as harbors for biota and providers of human services. Wetlands are important to protect, particularly because these provide a variety of ecosystem services including wildlife habitat, water purification, flood storage, and storm protection...
Alaska geologic road guides
Warren J. Nokleberg, Thomas K. Bundtzen, David B. Stone, Charles G. Mull
Thomas K. Bundtzen, Warren J. Nokleberg, Raymond A. Price, David W. Scholl, David B. Stone, editor(s)
2017, Book chapter, Dynamic geology of the Northern Cordillera (Alaska and western Canada) and adjacent marine areas: Tectonics, hazards, and resources
No abstract available....
Loss of ecosystem services due to chronic pollution of forests and surface waters in the Adirondack region (USA)
Colin M. Beier, Jesse Caputo, Gregory B. Lawrence, Timothy J. Sullivan
2017, Journal of Environmental Management (191) 19-27
Sustaining recent progress in mitigating acid pollution could require lower emissions caps that will give rise to real or perceived tradeoffs between healthy ecosystems and inexpensive energy. Because most impacts of acid rain affect ecosystem functions that are poorly understood by policy-makers and the public, an ecosystem services (ES) framework...
Candoia Bibroni (Pacific Boa). Diet
Adam G. Clause, Mark J. Fraser, Sarah Pene, Nunia Thomas-Moko, Robert N. Fisher
2017, Herpetological Review (48) 667-668
No abstract available....
Methodological considerations regarding online extraction of water from soils for stable isotope determination
Brynne E. Lazarus, Matthew J. Germino
2017, Rapid Communications in Mass Spectrometry (31) 1677-1680
No abstract available....
