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Critical ShakeCast lifeline users and their response protocols
ShakeCast is a US Geological Survey (USGS) software application that automatically retrieves ShakeMap shaking estimates and performs analyses using fragility functions for buildings and lifelines. The ShakeCast system aims to identify which facilities or lifeline segments are most likely impacted by an earthquake—and thus which ones should be prioritized for inspection and response—and sends notif
Authors
Kuo-wan Lin, David J. Wald, Daniel Slosky, Sterling Strait, Justin Smith, Sharon Yen, Nick Burmas
Spatial scale selection for informing species conservation in a changing landscape
Identifying the relevant spatial scale at which species respond to features in a landscape (scale of effect) is a pressing research need as managers work to reduce biodiversity loss amid a variety of environmental challenges. Until recently, researchers often evaluated a subset of potential scales of effect inferred from previous studies in other locations, often based on different biological resp
Authors
Adrian P. Monroe, Julie A. Heinrichs, Ashley Lorraine Whipple, Michael O'Donnell, David R. Edmunds, Cameron L. Aldridge
The potential of Prairie Pothole wetlands as an agricultural conservation practice: A synthesis of empirical data
Nutrient pollution causing harmful algal blooms and eutrophication is a major threat to aquatic systems. Throughout North America, agricultural activities are the largest source of excess nutrients entering these systems. Agricultural intensification has also been a driver in the historical removal of depressional wetlands, contributing to increased hydrological connectivity across watersheds, and
Authors
Caryn D Ross, Owen P. McKenna
Hydrologic effects of leakage from the Catskill Aqueduct on the bedrock-aquifer system near High Falls, New York, November 2019–January 2020
Historical observations by the New York City Department of Environmental Protection (NYCDEP) indicate that the Rondout pressure tunnel has been leaking in the vicinity of the hamlet of High Falls, New York. In the 74 days from November 11, 2019, to January 23, 2020, NYCDEP shut down and partially dewatered the pressure tunnel for inspection and repairs. On November 5–7, 2019 (during normal tunnel
Authors
Anthony Chu, Michael L. Noll, William D. Capurso
Field techniques for the determination of algal pigment fluorescence in environmental waters—Principles and guidelines for instrument and sensor selection, operation, quality assurance, and data reporting
The use of algal fluorometers by the U.S. Geological Survey (USGS) has become increasingly common. The basic principles of algal fluorescence, instrument calibration, interferences, data quantification, data interpretation, and quality control are given in Hambrook Berkman and Canova (2007). Much of the guidance given for instrument maintenance, data storage, and quality assurance in Wagner and ot
Authors
Guy M. Foster, Jennifer L. Graham, Brian A. Bergamaschi, Kurt D. Carpenter, Bryan D. Downing, Brian A. Pellerin, Stewart A. Rounds, John Franco Saraceno
Technical note—Performance evaluation of the PhytoFind, an in-place phytoplankton classification tool
In 2019, the U.S. Geological Survey evaluated the performance of the Turner Designs, Inc. PhytoFind, an in-place phytoplankton classification tool. The sensor was tested with sample blanks, monoculture and mixed phytoplankton cultures, and turbidity challenges in a laboratory, and was tested on a 120-mile survey of the Caloosahatchee and St. Lucie Rivers in Florida, including Lake Okeechobee. Resu
Authors
Brett D. Johnston, Jennifer L. Graham, Guy M. Foster, Bryan D. Downing
Framework for the development of the Columbia River mainstem fish tissue and water quality monitoring program - Bonneville Dam to Canadian border
The Columbia River provides important cultural, economic, and ecological services to a significant portion of the United States. Anadromous and resident fish species and other wildlife are integrated into the cultural traditions of all Tribes in the Columbia River Basin. Salmon, lamprey, sturgeon, and resident fish are an integral part of Tribal religion, culture, and physical sustenance. Despite
Authors
Timothy D. Counihan, Patrick W. Moran, Ian R. Waite, Sherrie Duncan, Laura Shira
Estimated effects of pumping on groundwater storage and Walker River stream efficiencies in Smith and Mason Valleys, west-central Nevada
The Walker River originates in the Sierra Nevada Mountains and flows nearly 160 miles to its terminus at Walker Lake in west-central Nevada. The river provides a source of irrigation water for tens of thousands of acres of agricultural lands in California and Nevada and is the principal source of inflow to Walker Lake. Extraction of groundwater for agricultural use became prevalent in the late 195
Authors
Gwendolyn E. Davies, Ramon C. Naranjo
Wild bee exposure to pesticides in conservation grasslands increases along an agricultural gradient: A tale of two sample types
Conservation efforts have been implemented in agroecosystems to enhance pollinator diversity by creating grassland habitat, but little is known about the exposure of bees to pesticides while foraging in these grassland fields. Pesticide exposure was assessed in 24 conservation grassland fields along an agricultural gradient at two time points (July and August) using silicone band passive samplers
Authors
Michelle Hladik, Johanna M. Kraus, Cassandra Smith, Mark W. Vandever, Dana W. Kolpin, Carrie E Givens, Kelly L. Smalling
Injuries and abnormalities of the southwestern pond turtle (Actinemys pallida) in the Mojave River of California
The southwestern pond turtle (Actinemys pallida) is a semiaquatic turtle that occasionally spends time on land to bask, oviposit, make intermittent overland movements, and overwinter in terrestrial locations. Use of both aquatic and terrestrial environments exposes semiaquatic turtles to increased risk of injury or mortality from floods, predation attempts, and other environmental hazards (e.g., h
Authors
Kristy L. Cummings, Jeffrey E. Lovich, Michele (Shellie) R. Puffer, Sarah Greely, Christopher D Otahal, James Gannon
The over-prediction of seismically induced soil liquefaction during the 2016 Kumamoto, Japan earthquake sequence
Following the M7.0 strike-slip earthquake near Kumamoto, Japan, in April of 2016, most geotechnical engineering experts believed that there would be significant soil liquefaction and liquefaction-induced infrastructure damage observed in the densely populated city of Kumamoto during the post-event engineering reconnaissance. This belief was driven by several factors including the young geologic en
Authors
Donald J. Anderson, Kevin W. Franke, Robert Kayen, Shideh Dashti, M Badanagki
Inclusive lunar exploration: Lunar Surface Science Workshop virtual session 13
This report reviews and presents findings from the Lunar Surface Science Workshop Virtual Session 13: Inclusive Lunar Exploration. The report consists of a brief introduction to the workshop, followed by summaries of the six workshop sessions, and a synthesis section discussing seven key findings.
Authors
Parvathy Prem, Kristen A. Bennett