Now showing items 21-40 of 1421

    • SnowCloudMetrics: Snow Information for Everyone 

      Crumley, Ryan L.; Palomaki, Ross T.; Nolin, Anne W.; Sproles, Eric A.; Mar, Eugene J. (2020-10)
      Snow is a critical component of the climate system, provides fresh water for millions of people globally, and affects forest and wildlife ecology. Snowy regions are typically data sparse, especially in mountain environments. ...
    • Evaluating wildlife translocations using genomics: A bighorn sheep case study 

      Flesch, Elizabeth P.; Graves, Tabitha A.; Thomson, Jennifer M.; Proffitt, Kelly M.; Stephenson, Thomas R.; Garrott, Robert A. (Wiley, 2020-12)
      Wildlife restoration often involves translocation efforts to reintroduce species and supplement small, fragmented populations. We examined the genomic consequences of bighorn sheep (Ovis canadensis) translocations and ...
    • The ultrafast onset of exciton formation in 2D semiconductors 

      Trovatello, Chiara; Katsch, Florian; Borys, Nicholas J.; Selig, Malte; Yao, Kaiyuan; Borrego-Varillas, Rocio; Scotognella, Francesco; Kriegel, Ilka; Yan, Aiming; Zettl, Alex; Schuck, P. James; Knorr, Andreas; Cerullo, Giulio; Dal Conte, Stefano (Springer Science and Business Media LLC, 2020-10)
      The equilibrium and non-equilibrium optical properties of single-layer transition metal dichalcogenides (TMDs) are determined by strongly bound excitons. Exciton relaxation dynamics in TMDs have been extensively studied ...
    • Dual inhibition of the terminal oxidases eradicates antibiotic‐tolerant Mycobacterium tuberculosis 

      Lee, Bei Shi; Hards, Kiel; Engelhart, Curtis A.; Hasenoehrl, Erik J.; Kalia, Nitin P.; Mackenzie, Jared S.; Sviriaeva, Ekaterina; Chong, Shi Min Sherilyn; Manimekalai, Sony S.; Koh, Vanessa H.; Xu, Jiayong; Alonso, Sylvie; Miller, Marvin J.; Steyn, Adrie J.C.; Gruber, Gerhard; Schnappinger, Dirk; Berney, Michael; Cook, Gregory M.; Moraski, Garrett C.; Pethe, Kevin (EMBO, 2020-12)
      The approval of bedaquiline has placed energy metabolism in the limelight as an attractive target space for tuberculosis antibiotic development. While bedaquiline inhibits the mycobacterial F1F0 ATP synthase, small molecules ...
    • Climate drivers of large magnitude snow avalanche years in the U.S. northern Rocky Mountains 

      Peitzsch, Erich H.; Pederson, Gregory T.; Birkeland, Karl W.; Hendrikx, Jordy; Fagre, Daniel B. (Springer Science and Business Media LLC, 2021-05)
      Large magnitude snow avalanches pose a hazard to humans and infrastructure worldwide. Analyzing the spatiotemporal behavior of avalanches and the contributory climate factors is important for understanding historical ...
    • Synoptic control on snow avalanche activity in central Spitsbergen 

      Hancock, Holt; Hendrikx, Jordy; Eckerstorfer, Markus; Wickström, Siiri (Copernicus GmbH, 2021-08)
      Atmospheric circulation exerts an important control on a region's snow avalanche activity by broadly determining the mountain weather patterns that influence snowpack development and avalanche release. In central Spitsbergen, ...
    • Powder Fever and Its Impact on Decision-Making in Avalanche Terrain 

      Mannberg, Andrea; Hendrikx, Jordy; Johnson, Jerry; Hetland, Audun (MDPI AG, 2021-09)
      We examined the effect of emotions, associated with “powder fever”, on decision-making in avalanche terrain. Background: Skiing in avalanche terrain is a voluntary activity that exposes the participant to potentially fatal ...
    • Risky positioning – social aspirations and risk-taking behaviour in avalanche terrain 

      Mannberg, Andrea; Hendrikx, Jordy; Johnson, Jerry (Informa UK Limited, 2020-10)
      We test if positionality, i.e., the desire to gain social status, is associated with an increased willingness to take risk among backcountry riders. If positional preferences drive risk-taking behaviour in avalanche terrain, ...
    • Synoptic atmospheric circulation patterns associated with deep persistent slab avalanches in the western United States 

      Schauer, Andrea R.; Hendrikx, Jordy; Birkeland, Karl W.; Mock, Carly J. (Copernicus GmbH, 2021-02)
      Deep persistent slab avalanches are capable of destroying infrastructure and are usually unsurvivable for those who are caught. Formation of a snowpack conducive to deep persistent slab avalanches is typically driven by ...
    • Using Citizen Science to Document Terrain Use and Decision-Making of Backcountry Users 

      Johnson, Jerry; Hendrikx, Jordy (Ubiquity Press, Ltd., 2021-03)
      Avalanches represent the primary risk of death to backcountry skiers and snowmobilers in North American and European alpine countries. The best strategy for evading dangerous snowpack conditions that may result in an ...
    • A regional spatiotemporal analysis of large magnitude snow avalanches using tree rings 

      Peitzsch, Erich; Hendrikx, Jordy; Stahle, Daniel; Pederson, Gregory; Birkeland, Karl; Fagre, Daniel (Copernicus GmbH, 2021-02)
      Snow avalanches affect transportation corridors and settlements worldwide. In many mountainous regions, robust records of avalanche frequency and magnitude are sparse or non-existent. However, dendrochronological methods ...
    • Autonomous Aerial Vehicles (AAVs) as a Tool for Improving the Spatial Resolution of Snow Albedo Measurements in Mountainous Regions 

      Sproles, Eric A.; Mullen, Andrew; Hendrikx, Jordy; Gatebe, Charles; Taylor, Suzi (MDPI, 2020-07)
      We present technical advances and methods to measure effective broadband physical albedo in snowy mountain headwaters using a prototype dual-sensor pyranometer mounted on an Autonomous Aerial Vehicle (an AAV). Our test ...
    • Combining high spatial resolution snow mapping and meteorological analyses to improve forecasting of destructive avalanches in Longyearbyen, Svalbard 

      Hancock, Holt; Prokop, Alexander; Eckerstorfer, Markus; Hendrikx, Jordy (Elsevier BV, 2018-10)
      Two naturally triggered snow avalanches occurred on 19 December 2015 and 21 February 2017 in the town of Longyearbyen, Svalbard in the Norwegian high-Arctic. These events resulted in two fatalities, numerous injuries, and ...
    • Method for Integrating Components of a CURE into an Introductory Biology Traditional Laboratory 

      Brusa, Jamie L.; Lupardus, Randi C. (American Society for Microbiology, 2020-01)
      Undergraduate biology instructors face the challenge of balancing critical thinking procedures with biology content (1). Evidence has revealed that directed “cookbook” laboratory exercises alone severely limit opportunities ...
    • The flexible N-terminus of BchL autoinhibits activity through interaction with its [4Fe-4S] cluster and relieved upon ATP binding 

      Corless, Elliot I.; Imran, Syed Muhammad Saad; Watkins, Maxwell B.; Bacik, John-Paul; Mattice, Jenna; Patterson, Angela; Danyal, Karamatullah; Soffe, Mark; Kitelinger, Robert; Seefeldt, Lance C.; Origanti, Sofia S.; Bennett, Brian; Bothner, Brian; Ando, Nozomi; Antony, Edwin (Elsevier BV, 2020-11)
      A key step in bacteriochlorophyll biosynthesis is the reduction of protochlorophyllide to chlorophyllide, catalyzed by dark-operative protochlorophyllide oxidoreductase (DPOR). DPOR contains two [4Fe-4S]-containing component ...
    • Reconstructing Full-Field Flapping Wing Dynamics from Sparse Measurements 

      Johns, William; Davis, Lisa; Jankauski, Mark (IOP Publishing, 2020-11)
      Flapping insect wings deform during flight. This deformation benefits the insect’s aerodynamic force production as well as energetic efficiency. However, it is challenging to measure wing displacement field in flying ...
    • Solvent Effects on the Selectivity of Palladium‐Catalyzed Suzuki‐Miyaura Couplings 

      Reeves, Emily K.; Bauman, Olivia R.; Mitchem, Gunner B.; Neufeldt, Sharon R. (Wiley, 2020-03)
      The use of polar solvents MeCN or dimethylformamide (DMF) was previously shown to induce a selectivity switch in the Pd/PtBu3-catalyzed Suzuki-Miyaura coupling of chloroaryl triflates. This phenomenon was attributed to the ...
    • Chemodivergence between Electrophiles in Cross‐Coupling Reactions 

      Reeves, Emily K.; Entz, Emily D.; Neufeldt, Sharon R. (Wiley, 2021-04)
      Chemodivergent cross-couplings are those in which either one of two (or more) potentially reactive functional groups can be made to react based on choice of conditions. In particular, this review focuses on cross-couplings ...
    • Enhanced trace element mobilization by Earth’s ice sheets 

      Hawkings, Jon R.; Skidmore, Mark L.; Wadham, Jemma L.; Priscu, John C.; Morton, Peter L.; Hatton, Jade E.; Gardner, Christopher B.; Kohler, Tyler J.; Stibal, Marek; Bagshaw, Elizabeth A.; Steigmeyer, August; Barker, Joel; Dore, John E.; Lyons, W. Berry; Tranter, Martyn; Spencer, Robert G. M. (Proceedings of the National Academy of Sciences, 2020-11)
      Trace elements sustain biological productivity, yet the significance of trace element mobilization and export in subglacial runoff from ice sheets is poorly constrained at present. Here, we present size-fractionated (0.02, ...
    • A retrospective view of early research on dominance, stress and reproduction in cooperatively breeding carnivores 

      Creel, Scott (Elsevier BV, 2022-03)
      Social carnivores have been central in studies of cooperative breeding, and research using noninvasive methods to examine behavioral and endocrine mechanisms of reproductive suppression started in the 1980s with dwarf ...

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