Stream Stage Monitoring with Community Science-Contributed Stage Data

Volunteered Geographic Information, data contributed by community scientists, is an increasingly popular tool to collect scientific data, involve the community in scientific research, and provide information and education about a prominent issue. Johnson City, Tennnessee, USA has a long history of downtown flooding, and recent redevelopment of two land parcels has created new city parks that mitigate flooding through floodwater storage, additional channel capacity, and reduced impervious surfaces. At Founders Park, a project to collect stage data using text messages from community scientists has collected 1479 stage measurements from 597 participants from May 2017 through July 2021. Text messages were parsed to extract the stage and merged with local precipitation data to assess the stream’s response to precipitation. Of 1479 observations, 96.7% were correctly parsed. Only 3% of observations were false positives (parser extracted incorrect stage value) or false negatives (parser unable to extract correct value but usable data were reported). Less than 2% of observations were received between 11 p.m. and 7 a.m., creating an overnight data gap, and fewer than 7% of observations were made during or immediately following precipitation. Regression models for stage using antecedent precipitation explained 21.6% of the variability in stream stage. Increased participation and development of an automated system to record stage data at regular intervals will provide data to validate community observations and develop more robust rainfall–runoff models.

Pantomyma Theater as a Phenomenon of Modern Spectacular Culture: Specifics of Additional Transmission Channels

The article reveals the peculiarities of the representation of pantomime theaters in the conditions of new broadcasting channels (on the example of Internet sites and social networks), as well as theorizes socio-cultural conditions that at the present stage determine communication in pantomime theater. The study found that modern pantomime theater, as a phenomenon of entertainment culture, actively represents itself in the network space, which has become an additional channel for broadcasting performances, expanding the boundaries of the audience and providing other opportunities for viewing; rethinks the relationship with the viewer, his role in communication, as well as his own place in the modern world. It is shown that social networks and Internet sites are important platforms for self-presentation of pantomime directors and spectators, discussion and formation of possible directions for further development. In addition to photos and videos (photos of troupe members, videos of pantomimes, videos from tours and festivals), the theaters' websites provide textual information about the history of the group and the theater's activities at the present stage, textual annotations of performances, reviews and forms of communication.

Instagram: Balancing Information Asymmetry of the Tourism Industry

This study focuses on the use of Instagram by tourism companies. Specifically, it aims to analyze how Instagram empowers individuals over corporations in the digital dialogue, thus balancing the information asymmetry between corporations and stakeholders. Four categories of metrics have been collected to analyze the use of Instagram by companies: presence, impact, conversation, and influence. Additionally, OLS regressions have been performed to identify potential explanatory factors to explain the different behavior of each firm and its corresponding communities. While the use of Instagram by the selected firms is still scarce, significant results are as follows: corporations are using Instagram as an additional channel in their current communication; some explanatory factors account for significant differences in countries, size, and industries; and users are somehow reactive to the stream of pictures and texts disclosed by firms. The presence and impact of companies on Instagram are a highly important source for driving stakeholders’ conversation within the digital arena.

Electrical characteristics of silicon differential photoreceivers

The volt-ampere curve of silicon differential photodiodes were measured. It was found that the current-voltage curve of the photodiodes of the main and additional channels had a similar shape, without revealing a significant dependence on the implantation dose of the additional channel. The main parameters of the equivalent circuits of photodiodes are determined. In the reverse branch, the dominant impact was exerted by the surface leakage conductivity with a differential resistance of about 10 GΩ. Measurements from minus 60 °C to 60 °C showed that when using amplifiers with an input impedance of about 103 Ω, differential photoreceivers can be successfully used as selective short-wavelength and two-color ones.

Financial Inclusion through Digital Financial Services (DFS): A Study in Uganda

This study unravels trends and momentum in banking and mobile money channels and uptake of select services and thereafter draws implications for enhancing financial inclusion through Digital Financial Services (DFS). The Rate of Change (ROC) approach was applied to analyze the growth momentum in banking and mobile money channels in Uganda. Implications for growth momentum in banking and mobile money channels for DFS and financial inclusion was drawn from observing and making informed interpretation of such observed trends and momentum. The findings of this study imply that banks must innovate to increase their contribution towards enhancing financial inclusion. Additional channel innovations, which may infuse banking and mobile money channels, are needed for banking to leverage on growth of mobile money and regain its role in enhancing financial inclusion. Leveraging the application of digital innovations in services such as payments and digitizing alternative channels such as agent banking are likely to increase efficiencies in physical channels and the provision of banking services and thereby increase overall reach and penetration of banking. The fast pace of mobile money penetration is good for speeding up financial inclusion. However, this calls for better regulatory approaches for DFS risk reduction, consumer protection, and protecting mobile money against integrity and financial crimes.

Houston Ship Channel Expansion Channel Improvement Project (ECIP) Numerical Modeling Report : Increased Channel Width Analysis

The Houston Ship Channel is one of the busiest deep -draft navigation channels in the United States and must be able to accommodate larger vessel dimensions over time. The U.S. Army Engineer District, Galveston (SWG) requested the U.S. Army Engineer Research and Development Center, Coastal and Hydraulics Laboratory perform hydrodynamic and sediment modeling of proposed modifications along the Houston Ship Channel. The modeling results are necessary to provide data for salinity and sediment transport analysis a s well as ship simulation studies. SWG provided a project alternative that includes channel widening, deepening, and bend easing. After initial analysis, two additional channel widths in the bay portion of the Houston Ship Channel were requested for testing. The results of these additional channel widths are presented in this report. The model shows that the salinity does not vary significantly due to the channel modifications being considered for this project. Changes in salinity are 2 parts per thousand or less. The tidal prism increases by less than 2% when the project is included, and the tidal amplitudes increase by no more than 0.01 meter. The residual velocity vectors do vary in and around areas where project modifications are made.

Исследование вольт-амперных характеристик светодиодных гетероструктур на основе InAsSb в диапазоне температур 4.2-300 K

The results of a study of the current-voltage characteristics of LED heterostructures with an active region based on InAsSb solid solutions and InAsSb/InAs and InAsSb/InAsSbP quantum wells (QWs) in the temperature range 4.2–300 K are presented. The mechanisms of the carrier transport depending on the temperature and design of the heterostructure was determined. It is shown that the charge transport through the heterostructures is governed by the diffusion and recombination mechanisms at temperatures close to 300 K; in the temperature range 4.2–77 K, the contribution of the tunnelling mechanism was observed. For heterostructure InAs/InAs/InAs0.15Sb0.31P0.54 the additional channel of the carrier transport was determined. It was shown that the presence of 108 QWs InAs0.88Sb0.12/InAs into the active region of the heterostructure led to an increase in the leakage currents through the heterojunction in the whole temperature range, which is probably related to the tunnelling of charge carriers.

Search for like-sign dileptons plus two jets signal in the framework of the manifest left-right symmetric model

The left-right symmetric model may present evidence of new physics at the era of the Large Hadron Collider (LHC). We use its framework to investigate the lepton number violating process pp → e±e±jj + X at the 14 TeV LHC. We show that for an integrated luminosity of 300 fb−1, the discovery contour of the right-handed boson WR and the right-handed electron neutrino Ne as a result of the pp → $$ {W}_R^{\pm } $$ W R ± → e±N → e±e±jj process can be expanded upon considering an additional channel mediated by the right-handed doubly charged Higgs $$ {\delta}_R^{\pm \pm } $$ δ R ± ± , i.e. pp → $$ {W}_R^{\pm } $$ W R ± → $$ {W}_R^{\mp \ast }{\delta}_R^{\pm \pm \ast } $$ W R ∓ ∗ δ R ± ± ∗ → e±e±jj.

Economic crisis, social networks, and political preferences

How did the great recession affect policy and partisan preferences in the most afflicted countries? We theorize the role of a previously under-emphasized source of preferences: the size and scope of one’s exposure to other individuals who have been exposed to the crisis. Contact with others who have economically suffered should be an additional channel for the crisis’ effects on policy preferences. We gathered data during the recession from a crisis-hit country, Spain, to measure the size of the respondent’s social networks in different ways and the impact of the crisis upon them. We also measured a battery of policy and political preferences (support for austerity, the euro, supranational institutions and new parties). We find strong associations between support for anti-status quo policies and anti-establishment parties and exposure to economic suffering within one’s social networks in ways that enrich our understanding of the process of preference formation in times of crisis.