Interpretation (Or Is It Calibration?) Of Rayleigh-Scatter Lidar Signals, 2014 Utah State University
Interpretation (Or Is It Calibration?) Of Rayleigh-Scatter Lidar Signals, Vincent B. Wickwar, Leda Sox
Presentations
No abstract provided.
Midlatitude Mesospheric Temperature Anomalies During Major Ssw Events As Observed With Rayleigh-Scatter Lidar, 2014 Utah State University
Midlatitude Mesospheric Temperature Anomalies During Major Ssw Events As Observed With Rayleigh-Scatter Lidar, Leda Sox, Vincent B. Wickwar, Chad Fish, Joshua P. Herron
Graduate Student Posters
While the mesospheric temperature anomalies associated with Sudden Stratospheric Warmings (SSWs) have been observed extensively in the polar regions, observations of these anomalies at midlatitudes are sparse. The original Rayleigh-scatter lidar that operated at the Atmospheric Lidar Observatory (ALO; 41.7°N, 111.8°W) in the Center for Atmospheric and Space Sciences (CASS) on the campus of Utah State University (USU) collected a very dense set of temperature data for 11 years, from 1993 through 2004. The temperatures derived from these data extended over the mesosphere, from 45 to 90 km. This work focuses on the extensive Rayleigh lidar observations made during seven …
Collaborative Research: St. Elias Erosion And Tectonics Project (Steep), 2014 Principal Investigator; University of Maine, Orono
Collaborative Research: St. Elias Erosion And Tectonics Project (Steep), Peter O. Koons, Phaedra Upton
University of Maine Office of Research Administration: Grant Reports
1) Refinement of a regional scale model to include an approximation of the true 3D geometry of the orogen.
2) Develop a new local-scale model that incorporates topography, GPS data, and glacial erosion processes to refine the initial results.
3) Develop a modeling experiment to test the hypothesis that the rise and fall of ice masses during glacial cycles might influence where deformation is focused at any given time.
Progress On Understanding Atmospheric Mercury Hampered By Uncertain Measurements, 2014 Utah State University
Progress On Understanding Atmospheric Mercury Hampered By Uncertain Measurements, Daniel A. Jaffe, Seth N. Lyman, Helen M. Amosl, Mae Sexauer Gustin, Jiaoyan Huang, Noelle E. Selin, Leonard Levin, Arnout Ter Schure, Robert P. Mason, Robert Talbot, Andrew Rutter, Brandon Finley, Lyatt Jaeglé, Viral Shah, Crystal Mcclure, Jesse Ambrose, Lynne Gratz, Steven Lindberg, Peter Weiss-Penzias, Guey-Rong Sheu, Dara Feddersen, Milena Horvat, Ashu Dastoor, Anthony J. Hynes, Huiting Mao, Jeroen E. Sonke, Franz Slemr, Jenny A. Fisher, Ralf Ebinghaus, Yanxu Zhang, Grant Edwards
USU Uintah Basin Faculty Publications
Mercury (Hg) is a potent neurotoxin and globally reducing environmental levels is seen as paramount for protecting human and wildlife health. In 2013, many countries finalized the negotiations on, and have now signed, the Minamata Convention on Mercury, which commits participating countries to reduce emissions and use of mercury. Successful implementation of the treaty will require adequate verification through global monitoring.
Case 3270: Isometrinae Clark, 1917 (Ecinodermata, Crinoidea): Proposed Emendation Of Spelling To Isometrainae To Remove Homonymy With Isometrinae Kraepelin, 1891 (Arachnida, Scorpiones), 2014 Marshall University
Case 3270: Isometrinae Clark, 1917 (Ecinodermata, Crinoidea): Proposed Emendation Of Spelling To Isometrainae To Remove Homonymy With Isometrinae Kraepelin, 1891 (Arachnida, Scorpiones), Victor Fet, Charles G. Messing
Victor Fet
The purpose of this application, under Articles 55 and 29 of the Code, is to remove the homonymy between the crinoid subfamily name ISOMETRINAE Clark, 1917 (type genus Isometra Clark, 1908; family ANTEDONIDAE) and the scorpion subfamily name ISOMETRINAE Kraepelin, 1891 (type genus Isometrus Ehrenberg in Hemprich & Ehrenberg, 1828; family BUTHIDAE). It is proposed that the entire generic name of Isometra should be adopted as the stem, so that the correct spelling of the crinoid subfamily will become ISOMETRAINAE Clark, 1917.
Full Issue, 2014 Maine Sea Grant
On The Whale-Way, 2014 University of Maine - Main
At Jasper Beach, 2014 The University of Maine
Dirt, 2014 The University of Maine
Hard Frost, 2014 The University of Maine
Off To School In The Atlantic (Tremont, Maine), 2014 Pittsfield, Maine
Off To School In The Atlantic (Tremont, Maine), Matthew E. Bernier
The Catch
No abstract provided.
Editor's Note, Volume 2, 2014 University of Maine, Orono
The Air-Sea Interface And Surface Stress Under Tropical Cyclones, 2014 Nova Southeastern University; University of Miami
The Air-Sea Interface And Surface Stress Under Tropical Cyclones, Alexander Soloviev, Roger Lukas, Mark A. Donelan, Brian K. Haus, Isaac Ginis
Marine & Environmental Sciences Faculty Articles
Tropical cyclone track prediction is steadily improving, while storm intensity prediction has seen little progress in the last quarter century. Important physics are not yet well understood and implemented in tropical cyclone forecast models. Missing and unresolved physics, especially at the air-sea interface, are among the factors limiting storm predictions. In a laboratory experiment and coordinated numerical simulation, conducted in this work, the microstructure of the air-water interface under hurricane force wind resembled Kelvin-Helmholtz shear instability between fluids with a large density difference. Supported by these observations, we bring forth the concept that the resulting two-phase environment suppresses short gravity-capillary …
Atmospheric Oxidation Chemistry And Ozone Production: Results From Sharp 2009 In Houston, Texas, 2014 University of New Hampshire - Main Campus
Atmospheric Oxidation Chemistry And Ozone Production: Results From Sharp 2009 In Houston, Texas, Katherine A. Duderstadt, Jack E. Dibb, Charles H. Jackman, Cora E. Randall, Stanley C. Solomon, Michael J. Mills, Nathan A. Schwadron, Harlan E. Spence
Earth Sciences
This study considers whether spikes in nitrate in snow sampled at Summit, Greenland, from August 2000 to August 2002 are related to solar proton events. After identifying tropospheric sources of nitrate on the basis of correlations with sulfate, ammonium, sodium, and calcium, we use the three-dimensional global Whole Atmosphere Community Climate Model (WACCM) to examine unaccounted for nitrate spikes. Model calculations confirm that solar proton events significantly impact HOx, NOx, and O3 levels in the mesosphere and stratosphere during the weeks and months following the major 9 November 2000 solar proton event. However, solar proton event (SPE)-enhanced NOy calculated within …
Detecting Ionospheric Tec Perturbations Caused By Natural Hazards Using A Global Network Of Gps Receivers: The Tohoku Case Study, 2014 California Institute of Technology
Detecting Ionospheric Tec Perturbations Caused By Natural Hazards Using A Global Network Of Gps Receivers: The Tohoku Case Study, A. Komjathy, D. A. Galvan, P. Stephens, M. D. Butala, V. Akopian, B. Wilson, O. Verkhoglyadova, A. J. Mannucci, M. Hickey
Michael P. Hickey
Recent advances in GPS data processing have demonstrated that ground-based GPS receivers are capable of detecting ionospheric TEC perturbations caused by surface-generated Rayleigh, acoustic and gravity waves. There have been a number of publications discussing TEC perturbations immediately following the M 9.0 Tohoku earthquake in Japan on March 11, 2011. Most investigators have focused on the ionospheric responses up to a few hours following the earthquake and tsunami. In our research, in addition to March 11, 2011 we investigate global ionospheric TEC perturbations a day before and after the event. We also compare indices of geomagnetic activity on all three …
Macroinvertebrates And Excessive Fine Sediment Conditions In Oregon Coastal Streams, 2014 Portland State University
Macroinvertebrates And Excessive Fine Sediment Conditions In Oregon Coastal Streams, Patrick M. Edwards
Dissertations and Theses
The Pacific Coastal ecoregion contains large tracts of economically important forest lands that also serve as critical stream habitat for endangered Salmonids. Excessive fine sediment deposition in streams of this region is a major environmental concern in the region but difficult to measure directly. The use of stream invertebrates to monitor fine sediment conditions in streams requires careful consideration of several important factors that complicate their use as bioindicators including high spatial and temporal variability and covariance with other environmental variables.
To evaluate the use of stream invertebrates as bioindicators of excessive fine sediment, three hypotheses were tested. The first …
Science And The Storms: The Usgs Response To The Hurricanes Of 2005 - Chapter Six: Ecological Impacts, 2014 Clemson University
Science And The Storms: The Usgs Response To The Hurricanes Of 2005 - Chapter Six: Ecological Impacts, William Conner, Stephen Faulkner, Wylie Barrow, Brady Couvillion, Lori Randall, Michael Baldwin
William Conner
Ecological impacts from the hurricanes of 2005 affected both vegetation and the animals that depend on coastal habits on land and in water. Discussed in this section are migratory birds, coastal marsh vegetation, chenier forests, coastal floodplain forests, mangrove forests, estuaries, and the endangered manatee.
Fine-Scale Features On The Sea Surface In Sar Satellite Imagery - Part 2: Numerical Modeling, 2014 Nova Southeastern University
Fine-Scale Features On The Sea Surface In Sar Satellite Imagery - Part 2: Numerical Modeling, Silvia Matt, A. Fujimura, Alexander Soloviev, S. H. Rhee, R. Romeiser
Marine & Environmental Sciences Faculty Articles
With the advent of the new generation of synthetic aperture radar (SAR) satellites, it has become possible to resolve fine-scale features on the sea surface on the scale of meters. The proper identification of sea surface signatures in SAR imagery can be challenging, since some features may be due to atmospheric distortions (gravity waves, squall lines) or anthropogenic influences (slicks), and may not be related to dynamic processes in the upper ocean. In order to improve our understanding of the nature of fine-scale features on the sea surface and their signature in SAR, we have conducted high-resolution numerical simulations combining …
Flocculation, Optics And Turbulence In The Community Sediment Transport Model System: Application Of Oasis Results, 2014 Principal Investigator; University of Maine, Orono
Flocculation, Optics And Turbulence In The Community Sediment Transport Model System: Application Of Oasis Results, Emmanuel Boss
University of Maine Office of Research Administration: Grant Reports
The goal of this research is to develop greater understanding of the how the flocculation of fine-grained sediment responds to turbulent stresses and how this packaging of sediment affects optical and acoustical properties in the water column. Achieving these goals will improve the skill of sediment transport models and hence prediction of underwater visibility.
Late Holocene Dune Development And Shift In Dune-Building Winds Along Southern Lake Michigan, 2014 Indiana University Northwest
Late Holocene Dune Development And Shift In Dune-Building Winds Along Southern Lake Michigan, Zoran Kilibarda, Ryan Venturelli, Ronald J. Goble
Department of Earth and Atmospheric Sciences: Faculty Publications
The youngest dune belt along Lake Michigan’s southern coast evolved through four stages. The first stage began during the Nipissing transgression, ~6.0 ka, and culminated at the Nipissing high, ~4.5 ka. Rising lake levels eroded the lake margins and generated sediment that was transported to southern Lake Michigan, creating the Tolleston barrier beach. The second stage, beginning ~4.5 ka with a rapid lake level fall and continuing to ~3.0 ka, represents a major episode of transgressive parabolic dune field development. Large, simple parabolic dunes, with easterly apices (85–105° azimuth) suggestive of westerly wind formation, developed in a sand belt ~1–2 …