Acadia National Park Climate Change Scenario Planning Workshop summary
Jonathan Star, Nicholas Fisichelli, Alexander Bryan, Amanda Babson, Rebecca Cole-Will, Abraham J. Miller-Rushing
2016, Conference Paper
This report summarizes outcomes from a two-day scenario planning workshop for Acadia National Park, Maine (ACAD). The primary objective of the workshop was to help ACAD senior leadership make management and planning decisions based on up-to-date climate science and assessments of future uncertainty. The workshop was also designed as a...
Coral calcification and ocean acidification
Paul L. Jokiel, Christopher P. Jury, Ilsa B. Kuffner
2016, Book chapter, Coral reefs at the crossroads
Over 60 years ago, the discovery that light increased calcification in the coral plant-animal symbiosis triggered interest in explaining the phenomenon and understanding the mechanisms involved. Major findings along the way include the observation that carbon fixed by photosynthesis in the zooxanthellae is translocated to animal cells throughout the colony...
A review of single-sample-based models and other approaches for radiocarbon dating of dissolved inorganic carbon in groundwater
L. F Han, Niel Plummer
2016, Earth-Science Reviews (152) 119-142
Numerous methods have been proposed to estimate the pre-nuclear-detonation 14C content of dissolved inorganic carbon (DIC) recharged to groundwater that has been corrected/adjusted for geochemical processes in the absence of radioactive decay (14C0) - a quantity that is essential for estimation of radiocarbon age of DIC in groundwater. The models/approaches most...
Site effects in Port-au-Prince (Haiti) from the analysis of spectral ratio and numerical simulations.
Sadrac St. Fleur, Etienne Bertrand, Francoise Courboulex, Bernard Mercier de Lepinay, Anne Deschamps, Susan E. Hough, Giovanna Cultrera, Dominique Boisson, Claude Prepetit
2016, Bulletin of the Seismological Society of America (106) 1298-1315
To provide better insight into seismic ground motion in the Port‐au‐Prince metropolitan area, we investigate site effects at 12 seismological stations by analyzing 78 earthquakes with magnitude smaller than 5 that occurred between 2010 and 2013. Horizontal‐to‐vertical spectral ratio on earthquake recordings and a standard spectral ratio were applied to...
Integrated groundwater data management
Peter Fitch, Boyan Brodaric, Matt Stenson, Nathaniel Booth
Anthony J. Jakeman, Olivier Barreteau, Randall J. Hunt, Jean-Daniel Rinaudo, Andrew Ross, editor(s)
2016, Book chapter, Integrated groundwater management
The goal of a data manager is to ensure that data is safely stored, adequately described, discoverable and easily accessible. However, to keep pace with the evolution of groundwater studies in the last decade, the associated data and data management requirements have changed significantly. In particular, there is a growing...
Upper bound of pier scour in laboratory and field data
Stephen Benedict, Andral W. Caldwell
2016, Transportation Research Record (2588) 145-153
The U.S. Geological Survey (USGS), in cooperation with the South Carolina Department of Transportation, conducted several field investigations of pier scour in South Carolina and used the data to develop envelope curves defining the upper bound of pier scour. To expand on this previous work, an additional cooperative investigation was...
Influence of land-atmosphere feedbacks on temperature and precipitation extremes in the GLACE-CMIP5 ensemble
Ruth Lorenz, Daniel Argueso, Markus G. Donat, Andrew J. Pitman, Bart van den Hurk, Alexis Berg, David M. Lawrence, Frederique Cheruy, Agnes Ducharne, Stefan Hagemann, Arndt Meier, Paul C.D. Milly, Sonia I Seneviratne
2016, Journal of Geophysical Research D: Atmospheres (121) 607-623
We examine how soil moisture variability and trends affect the simulation of temperature and precipitation extremes in six global climate models using the experimental protocol of the Global Land-Atmosphere Coupling Experiment of the Coupled Model Intercomparison Project, Phase 5 (GLACE-CMIP5). This protocol enables separate examinations of the influences of soil moisture...
Testing an attachment method for solar-powered tracking devices on a long-distance migrating shorebird
Ying-Chi Chan, Martin Brugge, T. Lee Tibbitts, Anne Dekinga, Ron Porter, Raymond H. G. Klaassen, Theunis Piersma
2016, Journal of Ornithology (157) 277-287
Small solar-powered satellite transmitters and GPS data loggers enable continuous, multi-year, and global tracking of birds. What is lacking, however, are reliable methods to attach these tracking devices to small migratory birds so that (1) flight performance is not impacted and (2) tags are retained during periods of substantial mass...
Modeling abundance using hierarchical distance sampling
J. Andrew Royle, Marc Kery
2016, Book chapter
In this chapter, we provide an introduction to classical distance sampling ideas for point and line transect data, and for continuous and binned distance data. We introduce the conditional and the full likelihood, and we discuss Bayesian analysis of these models in BUGS using the idea of data augmentation, which...
LakeMetabolizer: An R package for estimating lake metabolism from free-water oxygen using diverse statistical models
Luke Winslow, Jacob A. Zwart, Ryan D. Batt, Hilary Dugan, R. Iestyn Woolway, Jessica Corman, Paul C. Hanson, Jordan S. Read
2016, Inland Waters (6) 622-636
Metabolism is a fundamental process in ecosystems that crosses multiple scales of organization from individual organisms to whole ecosystems. To improve sharing and reuse of published metabolism models, we developed LakeMetabolizer, an R package for estimating lake metabolism from in situ time series of dissolved oxygen, water temperature, and, optionally, additional environmental...
Measuring the impact of invasive species on popular culture: a case study based on toy turtles from Japan
Jeffrey E. Lovich, Katsuya Yamamoto
2016, Humans and Nature (27) 1-11
The red-eared slider turtle (Trachemys scripta elegans) is native to portions of the United States of America (USA) and adjacent northeastern Mexico. The bright and colorful hatchlings have long been popular as pets globally but numerous individuals have been released into the wild establishing populations in areas well outside their...
The potential carbon benefit of reforesting Hawai‘i Island non-native grasslands with endemic Acacia koa trees
Paul C. Selmants, Benjamin M. Sleeter, Nicholas Koch, James B. Friday
Rebekah Dickens Ohara, James B. Friday, editor(s)
2016, Conference Paper, Acacia koa in Hawaiʻi: Facing the future: 2016 Koa symposium proceedings
Large areas of forest in the tropics have been cleared and converted to pastureland. Hawai‘i Island is no exception, with over 100,000 ha of historically forested land now dominated by non-native grasses. Passive forest restoration has been unsuccessful because these grasslands tend to persist even after grazers have been removed,...
Natural soil reservoirs for human pathogenic and fecal indicator bacteria
Maria L Boschiroli, Joseph Falkinham, Sabine Favre-Bonte, Sylvie Nazaret, Pascal Piveteau, Michael J. Sadowsky, Muruleedhara Byappanahalli, Pascal Delaquis, Alain Hartmann
2016, Book chapter, Manual of environmental microbiology
Soils receive inputs of human pathogenic and indicator bacteria through land application of animal manures or sewage sludge, and inputs by wildlife. Soil is an extremely heterogeneous substrate and contains meso- and macrofauna that may be reservoirs for bacteria of human health concern. The ability to detect and quantify bacteria...
Dominance of 'Gallionella capsiferriformans' and heavy metal association with Gallionella-like stalks in metal-rich pH 6 mine water discharge
Maria Fabisch, Gina Freyer, Carol A. Johnson, Georg Buchel, Denise M. Akob, Thomas R. Neu, Kirsten Kusel
2016, Geobiology (14) 68-90
Heavy metal-contaminated, pH 6 mine water discharge created new streams and iron-rich terraces at a creek bank in a former uranium-mining area near Ronneburg, Germany. The transition from microoxic groundwater with ~5 mm Fe(II) to oxic surface water may provide a suitable habitat for microaerobic iron-oxidizing bacteria (FeOB). In this study,...
A tube seepage meter for in situ measurement of seepage rate and groundwater sampling
John E. Solder, Troy E. Gilmore, David P. Genereux, D. Kip Solomon
2016, Groundwater (54) 588-595
We designed and evaluated a “tube seepage meter” for point measurements of vertical seepage rates (q), collecting groundwater samples, and estimating vertical hydraulic conductivity (K) in streambeds. Laboratory testing in artificial streambeds show that seepage rates from the tube seepage meter agreed well with expected values. Results of field testing...
Hydrologic response of desert wetlands to Holocene climate change: preliminary results from the Soda Springs area, Mojave National Preserve, California
Jeffrey S. Pigati, Marith C. Reheis, John P. McGeehin, Jeffrey S. Honke, J. Bright
2016, Conference Paper, Proceedings of the 1st Death Valley Natural History Conference
Desert wetlands are common features in arid environments and include a variety of hydrologic facies, including seeps, springs, marshes, wet meadows, ponds, and spring pools. Wet ground conditions and dense stands of vegetation in these settings combine to trap eolian, alluvial, and fluvial sediments that accumulate over time....
Proceedings of the 2015 international summit on fibropapillomatosis: Global status, trends, and population impacts
Stacy A. Hargrove, Thierry M. Work, Shandell Brunson, Allen M. Foley, George H. Balazs
2016, NOAA Technical Memorandum NMFS-PIFSC-54
The 2015 International Summit on Fibropapillomatosis (FP) was convened in Honolulu, Hawaii June 11-14, 2015. Scientists from around the world were invited to present results from sea turtle monitoring and research programs as they relate to the global status, trends, and population impacts of FP on green turtles. The participants...
Exploration and geology of the Karangahake and Rahu epithermal Au-Ag deposits, Hauraki Goldfield
Mark P. Simpson, Murray R Stevens, Jeffrey L. Mauk, Matthew C Harris, Alistair G J Stuart
2016, Book chapter, AusIMM Monograph 31: Mineral deposits of New Zealand—Exploration and research
Karangahake was the third largest gold producer in the Hauraki goldfield. In 2009, New Talisman Gold mines was granted a mining permit, and plans are underway to commence underground mine development of the Maria vein, which has a maiden Ore Reserve (consistent with the 2012 JORC Code) of 28 800...
Volcanogenic massive sulphide and orogenic gold deposits of northern southeast Alaska
Patrick J Sack, Susan M. Karl, Nathan Steeves, J Bruce Gemmell
2016, Book
This five-day field trip visits the most significant mineral deposits in northern southeast Alaska. The trip begins and ends with regional transects in the interior Intermontane terranes around Whitehorse, Yukon, and the Insular terranes along the northern Chatham Strait region of southeast Alaska (Fig. A-1 and Fig. A-2; Plate-1). To...
Status and trends of land change in selected U.S. ecoregions - 2000 to 2011
Kristi L. Sayler, William Acevedo, Janis Taylor
2016, Photogrammetric Engineering and Remote Sensing (82) 687-697
U.S. Geological Survey scientists developed a dataset of 2006 and 2011 land-use and land-cover (LULC) information for selected 100-km2 sample blocks within 29 U.S. Environmental Protection Agency (EPA) Level III ecoregions across the conterminous United States. The data can be used with the previously published Land Cover Trends Dataset: 1973...
Age, growth and fall diet of channel catfish in Cheat Lake, West Virginia
Corbin D. Hilling, Stuart A. Welsh, Dustin M. Smith
2016, Journal of Fish and Wildlife Management (7) 304-314
Acidification has historically impaired Cheat Lake's fish community, but recent mitigation efforts within the Cheat River watershed have improved water quality and species richness. Presently, channel catfish Ictalurus punctatus are abundant and attain desirable sizes for anglers. We evaluated the age, growth, and fall diet of the population. We collected...
Kriging and local polynomial methods for blending satellite-derived and gauge precipitation estimates to support hydrologic early warning systems
Andrew Verdin, Christopher C. Funk, Balaji Rajagopalan, William Kleiber
2016, IEEE Transactions on Geoscience and Remote Sensing (54) 2552-2562
Robust estimates of precipitation in space and time are important for efficient natural resource management and for mitigating natural hazards. This is particularly true in regions with developing infrastructure and regions that are frequently exposed to extreme events. Gauge observations of rainfall are sparse but capture the precipitation process with...
Non-linear responses of glaciated prairie wetlands to climate warming
W. Carter Johnson, Brett Werner, Glenn R. Guntenspergen
2016, Climatic Change (134) 209-223
The response of ecosystems to climate warming is likely to include threshold events when small changes in key environmental drivers produce large changes in an ecosystem. Wetlands of the Prairie Pothole Region (PPR) are especially sensitive to climate variability, yet the possibility that functional changes may occur more rapidly with...
The international scale of the groundwater issue
Michael Fienen, Muhammad Arshad
2016, Book chapter, Integrated groundwater management
Throughout history, and throughout the world, groundwater has been a major source of water for sustaining human life. Use of this resource has increased dramatically over the last century. In many areas of the world, the balance between human and ecosystem needs is difficult to maintain. Understanding the international scale...
A linear relationship between wave power and erosion determines salt-marsh resilience to violent storms and hurricanes
Nicoletta Leonardi, Neil K. Ganju, Sergio Fagherazzi
2016, Proceedings of the National Academy of Sciences of the United States of America (113) 64-68
Salt marsh losses have been documented worldwide because of land use change, wave erosion, and sea-level rise. It is still unclear how resistant salt marshes are to extreme storms and whether they can survive multiple events without collapsing. Based on a large dataset of salt marsh lateral erosion rates collected...
