bluuebunny/crossref_metadata_2025 huggingface dataset:
Alcance del principio de la selección objetiva en los procesos de la contratación de los regímenes especiales de servicios públicos domiciliarios en Colombia
Authors:   Universidad de Medellín, Angulo Morales Fabiola Natalia , Mondragón Duarte Sergio Luis ,   Corporación Universitaria Remington
Published: October 2022

Los servicios públicos domiciliarios en Colombia se encuentran dentro de una categoría especial de contratación pública, como quiera que el Decreto 1082 de 2015 señala que sus procesos de contratación están supeditados y reglamentados bajo un régimen especial, de conformidad con los manuales de contratación de la entidad contratante. Mediante esta investigación sociojurídica, basada en el método dogmático, se realizó un análisis jurídico, sobre el alcance del principio de la selección objetiva en los procesos de la contratación de los regímenes especiales de servicios públicos domiciliarios en Colombia, habida cuenta que, dentro de los procesos mismos se han establecido en su interior, ciertos procesos en los que los “elementos habilitantes” son definidos través del manual de contratación, propia de la reglamentación. Resultando así, un alto incremento de la posibilidad en la materialización del favorecimiento o validación a un grupo específico dentro de los mismos preceptos y valores indicados dentro del reglamento interno de la Entidad.
Cronología de la conformación de redes investigativas para el fomento de las relaciones educativo-turísticas Chile Ecuador
Authors:   Universidad Técnica del Norte, Lomas Tapia Kennedy Rolando , Trujillo Carmen Amelia ,   Universidad Técnica del Norte, Paz Alcívar Margrathe Yolanda ,   Universidad Técnica del Norte, Cruz Góngora Fabio Elton ,   Universidad Técnica del Norte, García-Arciniegas Tuli ,   Universidad Técnica del Norte
Published: October 2022

La presente investigación tiene como objetivo describir la Conformación de la red investigativa, de ciencia, naturaleza y turismo RECINATUR, con sede en Corral, Valdivia, Chile y las alianzas estratégicas entre universidades iberoamericanas, es un referente de las relaciones educativo-ambientales para sistematizar experiencias del proceso ejecutado a partir del 2009, hasta la actualidad, el mismo que ha generado varias actividades que motivaron realizar esta investigación con enfoque cualitativo y fundamentada en un estudio de campo, descriptivo y documental. Como método cualitativo se utilizó la investigación-acción participativa para establecer los lineamientos y proceso de conformación de RECINATUR, donde participaron siete (7) docentes investigadores de las distintas universidades iberoamericanas, y en un proceso de planificación, acción, reflexión de contexto cíclico se llegó a conformar esta red académica investigativa. Los resultados obtenidos fueron: descripción de la problemática genérica en las cuatro dimensiones (social, específica, de cambio y proyección); plan de acción con objetivos de cumplimiento por acción y responsables; en cuanto a la cronología de trayectoria de la red se establece desde el año 2009, considerando al emprendimiento turístico del Castillo de Corral-Chile como ícono de integración, difusión y alianzas estratégica y, desde el 2010-2022 la realización de eventos nacionales internacionales a través de RECINATUR como organismo generador de difusión académica a través de seminarios en las diversas modalidades de turismo, ambiente y educación. El progreso social de las comunidades a las cuales la universidad tiene injerencia se ven fortalecidas por los conocimientos, experiencias y mecanismo de acción entre los diversos países de cooperación integrados.
TEORI AGENSI ISLAM SEBAGAI LOKOMOTIF MORAL HAZARD DAN ADVERSE SELECTION
Authors: Zulfajrin Zulfajrin , Abdullah M. Wahyuddin , Asyifa Ziana
Published: October 2022

Teori Agensi Islam Sebagai Lokomotif Moral Hazard Dan Adverse Selection Penelitian ini menggunakan desain penelitian deskriptif kualitatif. Dengan pendekatan paradigma religius dan paradigma kritis. Penelitian ini dilakukan dengan melakukan fenomena, hingga kajian kepustakaan untuk menjawab pertanyaan penelitian. Hasil penelitian Teori keagenan yang menjelaskan masalah risiko antara prinsipal dan agen yang dihasilkan dari kerjasama antara prinsipal dan agen sering kali membahas peran informasi akuntansi sebagai media penghubung antara kedua belah pihak. Perbedaan wawasan antara prinsipal dan agen serta perbedaan informasi agen membuat agen sering melaporkan informasi asimetris yang tidak valid untuk mendapatkan keuntungan yang diharapkan. Moral Hazard Ini mendesak para prinsipal untuk menerapkan sistem pengendalian untuk mengawasi perilaku manajemen sebagai pemegang amanah. Manajer dipahami sebagai agen yang mengejar kepentingan pribadi terhadap kepentingan investasi pemilik atau pemegang saham perusahaan yang kemudian menciptakan sisa kerugian residual dikarenakan kepentingan pribadi manajer Masalah keagenan bukan hanya terjadi antara manajer dengan pemegang saham, tetapi dapat juga terjadi antara manajer dengan kreditor, antara pemegang saham dengan kreditor. Teori agensi dalam perspektif Islam hadir menjadi solusi bagi dua permasalahan tersebut, diantaranya Moral Hazard dan Adverse selection. Salah satunya dengan menerapkan sistem kerjasama yang sesuai syariat Islam, dengan memenuhi hak dan kewajiban dari setiap penanggung dan tertanggung.
Daily food intake habits, food intake timings and sleep-wakeful cycle of the children and teenagers: a pilot-study
Authors: Dutta Mousumi , Sarathi Singha Partha , Khatun Aspiya , Deb Sayani , Samanta Subhamay , K. Layek Tufan
Published: October 2022

Human Behaviour and physiology are temporally controlled by circadian rhythms (24 hrs). Circadian rhythms are interrelated with sleep/wake cycles, so, disruption of one causes the alterations of another. A risk rose from the altered circadian rhythm and sleep cycle affects a huge part of the population. Alterations in the sleeping timings cause a profound change in dietary habits which may lead to myriad metabolic ramifications. The metabolic homeostasis within the physiological system is regulated by the molecular basis and alignment of the circadian clock. Negligence of this alteration may produce deleterious effects on human health. So, various behavioral changes should be implemented to manifest a correct alignment of circadian rhythms and to enhance sleep duration, and also to regularize food habits.
Responses of selected tropical forage legumes to imposed drought
Authors: L. Amar Andi , A. Congdon Robert
Published: October 2022

Drought tolerance is an important attribute for the establishment of forage legumes in the rangelands of the seasonal semi-arid tropics. This experiment examined the seedling rooting depth, plant biomass, and other growth parameters of 5 perennial tropical legumes in response to different watering and drying regimes. Centrosema brasilianum cv. Oolloo and Macroptilium bracteatum (CPI 55770) produced deeper roots, greater root biomass, and more root nodules than Stylosanthes scabra cv. Seca and Desmanthus virgatus (CPI 79653), however only D. virgatus produced deeper roots and increased biomass in response to the drought treatment. Arachis triseminalis (CPI 91423), C. brasilianum and M. bracteatum flowered during the 9-week course of the experiment, with the latter two species producing pods. Seca, A. triseminalis and D. virgatus show adaptations of drought-tolerance, whilst C. brasilianum and M. bracteatum are adapted to drought avoidance.
Validación del instrumento para determinar el nivel de conocimiento que tienen los padres sobre cardiopatía congénita
Authors: Yuquilema Cortez María Beatriz , León Miski María Agustina , Villafuerte Fernández Amanda Abigail , Salas Alvarado Javier Antonio
Published: October 2022

Introducción: En la actualidad existen diversas investigaciones relacionadas a la cardiopatía congénita, pero no existen estudios actualizados de instrumentos que se encuentren validados por juicio de expertos que ayuden a medir el nivel de conocimiento sobre esta patología. Objetivo: Formular y validar un instrumento que permita determinar el nivel de conocimiento que tienen los padres sobre cardiopatía congénita. Materiales y métodos: La presente investigación es de campo, con un enfoque cuantitativo, de tipo no experimental, prospectivo, de corte transversal, con un alcance descriptivo; se realizó una prueba piloto mediante la ejecución de una encuesta en una muestra conformada por 15 padres de niños con cardiopatía congénita, que fueron seleccionados de forma aleatoria. Resultados: Entre los principales resultados, se obtuvo que el instrumento elaborado, presenta un Alfa de Cronbach de 0.9 equivalente a una excelente confiabilidad. Conclusión: El instrumento ha sido aprobado por juicio de expertos en base a su validez, pertinencia y coherencia, resultando aplicable para la recolección de datos de la investigación.

SUMMARYIntroduction: Currently there are several investigations related to the congenital heart disease, but there are no updated studies of instruments that are are validated by expert judgment that help measure the level of knowledge about this pathology. Objective: Formulate and validate an instrument that to determine the level of knowledge that parents have about heart disease congenital Materials and Methods: This research is field, with a focus quantitative, non-experimental, prospective, cross-sectional, with a scope descriptive; A pilot test was carried out by executing a survey in a sample made up of 15 parents of children with congenital heart disease, who were randomly selected. Results: Among the main results, obtained that the elaborated instrument presents a Cronbach's Alpha of 0.9 equivalent to excellent reliability. Conclusion: The instrument has been approved by judgment of experts based on its validity, relevance and coherence, being applicable for the research data collection.
REFORÇO DE FUNDAÇÃO COM ESTUDO DE CASO UTILIZANDO O MÉTODO ESTACA MEGA ANÁLISE EM UMA OBRA NO MUNICÍPIO DE ARARAQUARA – SP
Authors: Stephany Bergamo Cardoso Beatriz , De Marco Gerson , Eduardo Quaresma José
Published: October 2022

Esse trabalho tem como principal objetivo a análise da interação do solo-estrutura tendo ligação direta com os movimentos diferenciais de fundações, responsáveis por notáveis danos as estruturas. O presente artigo tem como ideal demonstrar a importância do conhecimento geral das patologias do solo e da precoce identificação de problemas causados por elas, que são causadas por recalque diferencial na fundação devido a inúmeros fatores externos e internos. Essas patologias se manifestam e, com o passar do tempo, se tornam visíveis e por isso, a identificação da origem e causa é de extrema importância para obter a melhor solução para o problema, evitando danos nas estruturas e possíveis desabamentos no futuro, caso a estrutura sofra alguma alteração. Como por exemplo, pequenas e médias reformas. Após estudar cuidadosamente a revisão bibliográfica e a análise do caso, foi estabelecida a melhor forma de eliminar esse problema para que a estrutura siga em perfeita performance e, posteriormente, sofra alterações internas sem que isso prejudique a parte estrutural da construção e tudo siga em perfeita harmonia e segurança.
Adjuvant vs. neoadjuvant chemotherapy: quality of life and psychosocial variables in women with breast cancer
Authors: Santos Ana Sofia , Silva Isabel , Guimarães Raquel , Meneses Rute F.
Published: October 2022

Background

A breast cancer diagnosis with all that it entails is a highly stressful moment for women. Chemotherapy is one of the main treatments for this type of cancer, and it also brings several side effects and physical changes that often lead to emotional distress and adjustment difficulties. This study aims to analyse the quality of life and psychosocial variables in women with breast cancer submitted to different chemotherapy procedures.

Participants and procedure

We used a convenience sample of 50 women with breast cancer submitted to adjuvant or neoadjuvant chemotherapy. Women were interviewed after obtaining their informed consent. The instruments used were: a sociodemographic and clinical questionnaire, Functional Assessment of Cancer Therapy–Breast, Functional Assessment of Chronic Illness Therapy–Spiritual Well-Being–12-Item, Positive and Negative Affect Schedule, and Brief Resilient Coping Scale.

Results

Participants demonstrated reasonable levels of all dimensions analysed, except for resilient coping, which was relatively low. Neither treatment significantly improves quality of life or any other psychosocial variable more than the other. Most of the variables were correlated, especially quality of life.

Conclusions

The results show that the choice of treatment according to the most favourable objective criteria (e.g., stage, patients’ char-acteristics) and multidisciplinary work with the integration of a psychologist are vital to achieve good outcomes and the best possible quality of life. Interesting insights were obtained, such as the need for health literacy to make informed decisions and the variation of needs during the cancer course. Future research could use a longitudinal approach and a more repre-sentative sample.
Exploring the relationship between orthorexia nervosa, mindful eating and guilt and shame
Authors: Thorne Jessica , Hussain Misba , Mantzios Michail
Published: October 2022

Background

Orthorexia nervosa (ON) is an under-researched maladaptive eating behaviour which focuses on the quality and purity of food. Mindful eating refers to being aware of what we eat by making conscious food choices. Guilt and shame are negative self-evaluative emotions which have been associated with maladaptive eating behaviours. This study explores the relation-ships between ON, mindful eating, and feelings of guilt and shame.

Participants and procedure

Two hundred and fifty-two participants were recruited from various online platforms, such as Facebook, Twitter, and Insta-gram. They were asked to complete self-report questionnaires on ON, mindful eating, and guilt and shame.

Results

The findings suggested that ON was significantly negatively associated with the mindful eating subscales focused eating, hunger and satiety, and eating with awareness and significantly positively associated with guilt and shame. In addition, guilt was significantly negatively associated with focused eating, whilst both guilt and shame were significantly negatively associ-ated with hunger and satiety and eating with awareness. Further investigation suggested that guilt and shame mediated the association between mindful eating and ON.

Conclusions

It was concluded that guilt and shame could explain the association between mindful eating and ON. Limitations and future directions are discussed.
Creditor Protection in Cross-Border Conversions, Mergers and Divisions
Authors: Lepetić Jelena
Published: October 2022

This paper elaborates on the protection of creditors in cross-border conversions, mergers and divisions, according to Directive 2019/2121/EU as regards these cross-border operations. After presenting the protection mechanisms available to creditors in cross-border operations prior to the adoption of the 2019 Directive, as well as the risks faced by creditors in such events, the author presents the system of creditor protection introduced by the Directive. Both creditor protection mechanisms in the broader sense (which are not designed exclusively for creditors) and the ones in the narrower sense (which are created only for their protection) are presented in the central portion of the paper. Among the latter group, the general protection mechanisms available for each cross-border operation are analysed, followed by the mechanisms that are specific to individual operations.
Does the European Union have the competence to regulate adequate minimum wages?
Authors: Törrönen Elias
Published: October 2022

The European Commission presented a proposal for a directive on adequate minimum wages in October 2020. According to the explanatory memorandum of the proposal, the directive aims to, for example to prevent in-work poverty, reduce pay differentials, and promote social cohesion. The proposal is based on Article 153(1)b of the Treaty on the Functioning of the EU (TFEU). Legal basis of the proposed directive has raised criticism regarding the competence of the European Union. According to Article 153(1)b TFEU the Union shall support and complement the activities of the Member States, among other fields, in working conditions. The criticism is aimed specifically at paragraph 5 of the Article 153 TFEU. According to Article 153(5) TFEU, the provisions of this Article shall not apply to wages.
This paper clears the boundaries of the European Union’s competence in the light of Article 153 regarding wages. This paper answers the question, does the Union have the competence to legislate adequate minimum wages according to the proposal? The answer to this question is found by methods of interpretation and systematization.  The judgments of the Court of Justice of the European Communities and the Court of Justice of the European Union are used to interpret the scope of the Article 153(5) TFEU boundaries. In the judgments, the restriction laid out by paragraph 5 is not viewed to exclude the Union's competence categorically to legislate pay.
The legal actions by which the minimum wage was to be regulated are a key factor concerning the Union's competence. The proposal does not aim to set a uniform minimum wage across the EU. Instead, it aims to create guidelines for the Member States to legislate minimum wages in a way that the wage is adequate to secure a fair standard of living in a particular Member State. The paper is concluded by stating that the legislative actions of the proposal are within the competence of the Union if the minimum wages were to be regulated as proposed.
Facebook in Bangladesh: Security and Privacy Concerns
Authors: Rahman Md. Atiqur
Published: October 2022

Facebook has become a part of most user's life. Information sharing on Facebook is enjoyable, but it comes with a price in terms of security and privacy. This popular social network has experienced a cascade of security flaws and privacy controversies that have occurred nonstop since 2018. This study aims to collect information on the general awareness of how Facebook users use the site and how they manage their privacy and security preferences to safeguard their data and to consolidate information on users' general understanding and worries about their privacy and security on Facebook in Bangladesh perspective. This paper is supported with unique primary data from a survey. There are some varying survey findings. In 68.00% of instances, users have finished customizing their Facebook profiles' pri-vacy settings, which is a significant finding. The most important result is that security and privacy are vital to users, as seen by 68.45% of users who choose not to make their posts public. Another crucial finding is that after establishing their Facebook accounts, 41.03% of users never altered their passwords, even 27% were totally unaware of the system, and 52.60% did not set up 'Get alerts about unrecognized logins'.
Evaluating Dimensions of Destination Image for Selection of Eco- tourism Destination in Bangladesh
Authors: Rahman Mohammad Moshiur , Haque Ahasanul , Suib Fatin Husna
Published: October 2022

The rising image issues for destinations have become an escalating concern for ecotourism expansion in Bangladesh. The initial research about the destination image offered specific unknown gaps concerned with several advantages. However, this study aims to investigate the effect of destination image on ecotourism destination selection in Bangladesh. The data were collected by a self-administered questionnaire survey of 352 tourists and refined using structural equation analysis. SPSS-AMOS analyses revealed the existence of significant relationships between the variables. The findings demonstrate that a proper image would entice tourists to travel to Bangladesh’s ecotourism destinations. In addition, it may benefit Bangladesh tourism organizations by implementing plans to deal with sustainable development. Nevertheless, this study evaluates the destination image with a three-way interaction between ecotourism destination selection, which might serve as a precedent for future research.
Hermetismo y hermenéutica. Una nota sobre el romance 51 de Sor Juana Inés de la Cruz y la otredad
Authors: Arellano Ayuso Ignacio
Published: October 2022

RESUMEN:
Se analiza el romance 51 de Sor Juana y se rechazan interpretaciones corrientes de la crítica moderna que no tiene en cuenta los códigos de construcción del texto ni los contextos históricos, y que actúa desde el prejuicio y la incompetencia filológica.

ABSTRACT:
This article analyzes Sor Juana's romance 51 and some current interpretations of modern criticism that do not take into account the construction codes of the text or the historical contexts, and that reads the poem from prejudice and philological incompetence.
توجيه الصفاقسي للقراءات في "غيث النفع في القراءات السبع" من سورة الأنعام إلى نهاية سورة هود
Authors:   جامعة أم القرى بمكة – مكة المكرمة, بن غرم الله بن محمد الزهراني سالم
Published: October 2022

يتناول البحث جمع توجيه العلامة علي النوري الصفاقسي للقراءات، الذي ضمّنه في كتابه (غيث النفع في القراءات السبع) وإفراده في بحث مستقل، والتعليق على ما يحتاج لتعليق وبيان من توجيهه، ويتكون من مقدمة، وثلاثة مباحث، الأول: لترجمة العلامة الصفاقسي، والثاني: للتعريف بعلم التوجيه ونشأته والتأليف فيه، والثالث: لذكر القراءات التي وجهها الصفاقسي من سورة الأنعام إلى نهاية سورة هود، ويتلوها خاتمة البحث، ثم فهرس المصادر والمراجع، وسلكت في البحث المنهج الاستقرائي التحليلي. وكان من أهم نتائجه: تنوع توجيهاته، فمنها اللغوي والنحوي والصرفي والمعنوي والرسمي، وغير ذلك، وعنايته في توجيهه للقراءات بعلوم أخرى كعلم الوقف والابتداء، وبيانه لحكم الوقف على الكمات التي يوجهها، وأنه قد يوجه القراءة المتفق عليها عند جميع القراء، لفائدة يريد بيانها.
مبادئ الحرب والجهاد لحماية البيئة والمدنيين في أوقات الحرب في الشريعة الإسلامية
Authors:   كلية العلوم الإسلامية- جامعة السليمانية, محمد أمين سعيد دارا
Published: October 2022

الإسلام يحمي البيئة والمدنيين في السّلم والحرب، وفي القانون الدولي الإنساني الحماية للبيئة والمدنيين في النزاعات الدولية فقط، أما الحروب والنزعات الداخلية فليس من اختصاص القانون الدولي الإنساني، أما في الشريعة الإسلامية فمباديء حماية البيئة والمدنيين ثابتة في كل الحروب والنزعات سواء أكانت داخلية أم خارجية محلية أم الدولية. الإسلام وضع مبادئ أخلاقية في الحرب، منها: - المحافظة على البيئة واجتناب الفساد في الأرض بتحريق الأشجار وقتل الحيوانات في غير ضرورة. - عدم التعرض إلى غير المقاتلين من النساء والصبيان والشيوخ والمعوقين والعميان والفلاحين والصناع وأمثالهم. - السماحة الدينية واحترام مقدسات الآخرين، بعدم قتل الرهبان والقسيسين ما لم يقاتلوا أو يعينوا على القتال، وعدم التعرض كذلك لبِيَعهم وكنائسهم بسوء.
مكونات البنية الحكائية قراءة في نصوص مختارة من رسائل إخوان الصفاء
Authors:   جامعة ذي قار / كلية القانون, طالب محمد دنيا
Published: October 2022

تحتوي رسائل إخوان الصفا على حكايات كثيرة تعد كل حكاية فيها نصاً ادبياً مستقلاً بذاته عن النصوص الأخرى ، ولكنها تمثل في مجموعها كياناً موحداً ، لما تنطوي عليه هذه الحكايات من عناصر بنيوية متكررة تدخل في بناء كل واحدة منها . لم تحرص الحكايات ــ موضوع التحليل ــ على شيء حرصها على الالتزام بالرؤية الصوفية واثرها الواضح في حكايات الرسائل، بدءاً من إعلان الحكي الى الراوي ومحاولته إقناع المتلقي بحقيقة ما يروى وواقعيته، وحمله على تصديقه. إذ جاءت الحكايات موافقة في بنائها الشكلي للنمط المثالي الذي حدده السرد. إذ يظهر الوجدان الذي يخرق الأزمنة المألوفة، في المكان المفعم بالرؤيا الصوفية التي تؤهله لرؤية الجنة أو النار، تقدمه شخصيات مختلفة بعقلانيتها ومذهبيتها تشكو من قلة الصواب وغربته، من الدنيا المسخ الجائر.
التناسق الموضوعي في سورة الغاشية
Authors:   جامـعـة أم القــرى, بن حسين العمودي عبدالله
Published: October 2022

أهداف البحث: 1- إظهار جانبٍ من جوانب إعجاز القرآن البياني المتمثل في تناسب آياته وتناسق موضوعاته. 2- إيضاح مقصد سورة الغاشية، وبيان ارتباط موضوعات السورة بمقصدها. 3- إبراز تناسق الموضوعات التي تضمنتها سورة الغاشية. 4- بيان ما تضمنته آيات السورة الكريمة من هدايات. منهج البحث: سلكتُ في إعداد هذا البحث المنهج الوصفي التحليلي، وفق الإجراءات المُبيَّنة في المقدمة. من نتائج البحث: 1- مقصد سورة الغاشية: التذكير بالآخرة وما فيها من مشاهد الثواب للمؤمنين والعقاب للكافرين، ولفت الأنظار إلى البراهين الدالة على قدرة رب العالمين، وقد جاءت موضوعات السورة متناسقةً فيما بينها، ومترابطة ترابطًا وثيقًا بمقصدها. 2- بيَّن البحث وجوه التناسب بين سورتي الأعلى والغاشية، وكذا التناسب بين سورتي الغاشية والفجر، والتناسب بين افتتاحية سورة الغاشية وخاتمتها، والتناسب بين اسم السورة ومقصدها وتاريخ نزولها. 3- التناسق الموضوعي: هو انتظام موضوعات السورة وارتباط بعضها ببعض. 4-إنَّ دراسة التناسق الموضوعي من الأسباب المعينة على الوصول إلى الوحدة الموضوعية للسورة والوقوف على مقصدها.
A comparison of Jason-2 plasmasphere electron content measurements to ground-based measurements
Authors: Mazzella Jr. Andrew J. , Yizengaw Endawoke
Published: October 2022

Abstract. Previous studies utilizing the Global Positioning System (GPS) receivers aboard Jason satellites have performed measurements of plasmasphere electron content (PEC) by determining the total electron content (TEC) above these satellites, which are at altitudes of about 1340 km. This study uses similar methods to determine PEC for the Jason–2 receiver for 24 July 2011. These PEC values are compared to previous determinations of PEC from a chain of ground–based GPS receivers in Africa using the SCORPION method, with a nominal ionosphere–plasmasphere boundary at 1000 km. The Jason–2 PECs with elevations greater than 60° were converted to equivalent vertical PEC and compared to SCORPION vertical PEC determinations. In addition, slant (off–vertical) PECs from Jason–2 were compared to a small set of nearly co–aligned ground–based slant PECs. The latter comparison avoids any conversion of Jason–2 slant PEC to equivalent vertical PEC, and can be considered a more representative comparison. The mean difference between the vertical PEC (ground–based minus Jason–2 measurements) values is 0.82±0.28 TEC units (1 TEC unit = 1016 electrons–m-2). Similarly, the mean difference between slant PEC values is 0.168±0.924 TEC units. The Jason–2 slant PEC comparison method may provide a reliable determination for the plasmasphere baseline value for the ground–based receivers, especially if the ground stations are confined to only mid–latitude or low–latitude regions, which can be affected by a non–negligible PEC baseline.
Evaluation of soil carbon simulation in CMIP6 Earth system models
Authors: Varney Rebecca M. , Chadburn Sarah E. , Burke Eleanor J. , Cox Peter M.
Published: October 2022

Abstract. The response of soil carbon represents one of the key uncertainties in future climate change. The ability of Earth system models (ESMs) to simulate present-day soil carbon is therefore vital for reliably estimating global carbon budgets required for Paris Agreement targets. In this study CMIP6 ESMs are evaluated against empirical datasets to assess the ability of each model to simulate soil carbon and related controls: net primary productivity (NPP) and soil carbon turnover time (τs). Comparing CMIP6 with the previous generation of models (CMIP5), a lack of consistency in modelled soil carbon remains, particularly the underestimation of northern high-latitude soil carbon stocks. There is a robust improvement in the simulation of NPP in CMIP6 compared with CMIP5; however, an unrealistically high correlation with soil carbon stocks remains, suggesting the potential for an overestimation of the long-term terrestrial carbon sink. Additionally, the same improvements are not seen in the simulation of τs. These results suggest that much of the uncertainty associated with modelled soil carbon stocks can be attributed to the simulation of below-ground processes, and greater emphasis is required on improving the representation of below-ground soil processes in future developments of models. These improvements would help to reduce the uncertainty in projected carbon release from global soils under climate change and to increase confidence in the carbon budgets associated with different levels of global warming.
The role of dust sources in the Tibetan Plateau may be Underestimated: A high-resolution simulation study of regional differences in dust characteristics in the Tibetan Plateau
Authors: Zhang Yunshu , Liang Jiening , Zhang Zhida , Li Bentao , Zhang Haotian , Cao Xianjie , Tian Pengfei , Zhang Lei
Published: October 2022

Abstract. Because of the unique geographical location of the Tibetan Plateau and its important role in global climate change, aerosol variability over the plateau has been of wide interest to the academic community. Most studies have focused on the influence of external aerosols; however, a few studies have been conducted on dust aerosols within the plateau. In this study, the plateau was divided into three regions, west, south, and north based on surface vegetation and climatic characteristics, and the Weather Research and Forecasting model with Chemistry was used to simulate the Tibetan Plateau from 2004 to 2006 to quantify the spatial and temporal variability of dust within the plateau with high resolution. The dust sources of the plateau are located in the northern part of the Qiangtang Plateau, the Yarlung Tsangpo River basin, the Namucuo and Lhasa regions, the Qaidam Basin, the source areas of the Yellow and Yangtze Rivers, and the Qinghai Lake and its surrounding areas. Owing to windy weather and arid soil conditions, the dust emissions of the three regions reached 11.00 × 107 (west), 3.30 × 107 (south) and 4.50 × 107 (north) μg·m-2, during winter, and remained at a low level from May to October. Although the annual variation in dust emissions was relatively consistent across the three regions, there were substantial differences in dust loading, with almost no dust present in the atmosphere in the south, a peak dust loading of 94.00 × 105 μg·m-2 in January in the west, and a bimodal structure in the north with peaks in April and October and a maximum value of 13.00 × 1010 μg·m-2, which was primarily influenced by the temperature 2 m above the ground. In summer 10 % of the dust that starts in the interior of the plateau can be transported to the upper troposphere (above 8 km).
Repeatable high-resolution statistical downscaling through deep learning
Authors: Quesada-Chacón Dánnell , Barfus Klemens , Bernhofer Christian
Published: October 2022

Abstract. One of the major obstacles for designing solutions against the imminent climate crisis is the scarcity of high spatio-temporal resolution model projections for variables such as precipitation. This kind of information is crucial for impact studies in fields like hydrology, agronomy, ecology, and risk management. The currently highest spatial resolution datasets on a daily scale for projected conditions fail to represent complex local variability. We used deep-learning-based statistical downscaling methods to obtain daily 1 km resolution gridded data for precipitation in the Eastern Ore Mountains in Saxony, Germany. We built upon the well-established climate4R framework, while adding modifications to its base-code, and introducing skip connections-based deep learning architectures, such as U-Net and U-Net++. We also aimed to address the known general reproducibility issues by creating a containerized environment with multi-GPU (graphic processing unit) and TensorFlow's deterministic operations support.
The perfect prognosis approach was applied using the ERA5 reanalysis and the ReKIS (Regional Climate Information System for Saxony, Saxony-Anhalt, and Thuringia) dataset.
The results were validated with the robust VALUE framework. The introduced architectures show a clear performance improvement when compared to previous statistical downscaling benchmarks. The best performing architecture had a small increase in total number of parameters, in contrast with the benchmark, and a training time of less than 6 min with one NVIDIA A-100 GPU.
Characteristics of the deep learning models configurations that promote their suitability for this specific task were identified, tested, and argued. Full model repeatability was achieved employing the same physical GPU, which is key to build trust in deep learning applications. The EURO-CORDEX dataset is meant to be coupled with the trained models to generate a high-resolution ensemble, which can serve as input to multi-purpose impact models.
A preliminary evaluation of FY-4A visible radiance data assimilation by the WRF (ARW v4.1.1)/DART (Manhattan release v9.8.0)-RTTOV (v12.3) system for a tropical storm case
Authors: Zhou Yongbo , Liu Yubao , Huo Zhaoyang , Li Yang
Published: October 2022

Abstract. Satellite visible radiance data that contain rich cloud and precipitation information are increasingly assimilated to improve the forecasts of numerical weather prediction models. This study evaluates the Data Assimilation Research Testbed (DART, Manhattan release v9.8.0), coupled with the Weather Research and Forecasting (WRF) model (ARW v4.1.1) and the Radiative Transfer for TOVS (RTTOV, v12.3) package, for assimilating the simulated visible imagery of the FY-4A geostationary satellite located over Asia in an Observing System Simulation Experiment (OSSE) framework. The OSSE was performed for the tropical storm Higos that occurred in 2020 and contains multi-layer mixed-phase cloud and precipitation processes. The advantages and limitations of DART for assimilating FY-4A visible imagery were evaluated. Both single-observation experiments and cycled data assimilation (DA) experiments were performed to study the impact of different filter algorithms available in DART, variables being cycled, observation outlier thresholds, observation errors, and observation thinning. The results show that assimilating visible radiance data significantly improves the analysis of the cloud water path (CWP) and cloud coverage (CFC) from first-guess forecasts. The rank histogram filter (RHF) allows WRF to more accurately simulate CWP and CFC compared with the ensemble adjustment Kalman filter (EAKF) although it took roughly twice as long as the latter. By cycling both cloud and non-cloud variables, specifying large outlier threshold values, or setting smaller observation errors without thinning of observations, WRF achieved a better simulation of CWP and CFC. With model integration, DA of the visible radiance data also generated a slightly positive impact on non-cloud variables as they were adjusted through the model dynamics and physics related to cloud processes. In addition, the DA improved the representation of precipitation. However, the impact on the rain rate is limited by the inabilities of the DA to improve cloud vertical structures and cloud phases. A negative impact of the DA on cloud variables was found due to the nature of the non-linear forward operator and the non-Gaussian distribution of the prior. Future works should explore faster and more accurate forward operators suitable for assimilating FY-4A visible imagery, techniques to reduce the non-linear and non-Gaussian errors, and methods to correct the location errors which correspond to the clouds underestimated by the first guess.
Multimodal Image Correspondence
Authors:   , Hewa Thondilege Akila Sachinthani Pemasiri
Published: October 2022

Multimodal images are used across many application areas including medical and surveillance. Due to the different characteristics of different imaging modalities, developing image processing algorithms for multimodal images is challenging. This thesis proposes effective solutions for the challenging problem of multimodal semantic correspondence where the connections between similar components across images from different modalities are established. The proposed methods which are based on deep learning techniques have been applied for several applications including epilepsy type classification and 3D reconstruction of human hand from visible and X-ray image. These proposed algorithms can be adapted to many other imaging modalities.
What Kinds of Questions Are Formulated by a Group of Student Teachers When Dealing With Data Representations That Address Social Issues?
Authors:   Autonomous University of Barcelona, Ubilla Francisca , Gorgorió Núria ,   Autonomous University of Barcelona
Published: October 2022

In this study we analyze the questions generated by a group of student teachers when dealing with summary tables or summary graphs that address social issues linked to civic statistics. Drawing on different authors who define various levels of understanding of statistical representations, we established a characterization of the questions formulated by these students. We help to fill a theoretical gap, advancing in the characterization of the questions that students ask when confronted with data presented in a complex way in summary tables and summary graphs. This study can provide guidance on how to teach students to decode tables and representations typical of civic statistics.
Reelaborando tipologías de archivo desde la creación artística: los itinerarios conceptuales de ARES. Estéticas, identidades y prácticas audiovisuales en España
Authors: Panea José Luis
Published: October 2022

Debatiremos las posibilidades del archivo como herramienta de investigación en la Universidad a través de un caso de estudio, el Archivo ARES. Estéticas, identidades y prácticas audiovisuales en España, enmarcado en el GIR Visu@ls. Cultura visual y políticas de identidad (UCLM). Comenzaremos contextualizando los límites del giro archivístico en el arte audiovisual y, a continuación, desde los cuatro conceptos que vertebran el proyecto –sexo, género, etnicidad y nacionalidad– se esbozarán una serie de itinerarios conceptuales y subapartados de análisis que engloben la totalidad de las obras recogidas en ARES. De este modo, esperamos tanto facilitar una visión más articulada y precisa del conjunto de trabajos presentes en él como ahondar críticamente en las cuestiones identitarias que de estos términos se derivan, al ser la identidad el tema central en la concepción de dicha plataforma. Finalmente, si el videoarte puede entenderse como un catalizador de contra-imaginarios críticos frente al flujo de imágenes-espectáculo que nos rodean, su difusión y contextualización a través de un archivo público y en línea podría postularse como una estrategia de gran utilidad para su visibilización.
Memorias archivadas. La historia de la Liga de Escritores y Artistas Revolucionarios a través de sus archivos
Authors: Hernández del Villar Sureya Alejandra
Published: October 2022

La Liga de Escritores y Artistas Revolucionarios (LEAR) fue una agrupación que organizó a los artistas e intelectuales mexicanos en la década de 1930. La LEAR tuvo una influencia considerable en el campo del arte y la cultura en México y también fue parte de una red de artistas e intelectuales antifascistas que definió una posición internacional para la defensa de la cultura. A pesar de la notable influencia de la LEAR, esta organización fue estudiada por la historiografía del arte mexicano a partir de la década de 1990. Este artículo busca mostrar cómo el archivo fue fundamental para los estudios históricos de la LEAR, como fuente, pero también como memoria textual que posibilita interpretaciones sobre los proyectos de los artistas y las resoluciones y tensiones entre el diálogo privado y la proyección de imágenes.
La biblioteca y el archivo de los duques de Medinaceli en Madrid: una institución histórico-cultural entre el centralismo borbónico y el liberalismo español (siglos XVIII-XIX)
Authors: Romero Medina Raúl
Published: October 2022

Este ensayo centra su interés en la historia de la formación de la biblioteca de los duques de Medinaceli en Madrid, a partir del siglo XVIII, y su evolución en la siguiente centuria, puesto que, además, su apertura al público de la época fue un hito que facilitó la difusión del saber y el ocio cultural en el contexto de la mentalidad ilustrada. De forma paralela, la estructura orgánica de su archivo fue un modelo para cuantos se le agregaron después, como el de los duques de Santisteban del Puerto, así como un arsenal de datos histórico-artísticos. El caso concreto de Medinaceli permite un diálogo holístico entre archivos, bibliotecas y documentos artísticos en el contexto del papel que juega la nobleza entre el centralismo borbónico y el liberalismo español.
Archive in Flux: A Diffused Narrative of Material and Geo-History
Authors: Dehghani Arash , Chattopadhyay Sanskriti
Published: October 2022

Emerging from a socio-political urgency resultant from the current volatile situation of world politics, this article brings to the fore the age-old question of what an archive is. Spanning through the intellectual history of arkheion and the hegemonic structure of a daunting, cohesive building that reflects the ideologies of a singular authoritarian power that created it, this article explores the parallel structures of power that exist within the archival structure, at the same time rendering its structure and being rendered by it. The shift from the unidimensional power positions to this multiplicity of exchanges that make the archival structure fluid will be studied through certain eminent contemporary archival art practices.
This article proposes a topology of the archive, as a departure from studying the archive as a location, a container. The archival art practices, in this schema, are neither an external element to the archive nor a separate practice gaining meaning in discourses, but an essential element in the horizons of what the archives enact in their multiplicity. In doing so, this article will strive towards an indeterminacy of the structure of the archive, where it functions neither as a mere integration of a determinate matter in the archive discourse nor as a domiciliation of the hitherto unknown or unacknowledged documents in a new container like a museum. Leaving the discourse-oriented and material-oriented path, the action of doing will be discussed as the determinate factor behind the existence of the archive. Hence, the search for the answer to the question initially introduced, what an archive is, may only be contemplated by focusing on how archives function, as the function will be explored further as the key to its creation and sustenance.
Aportaciones de las TIC a la práctica coral inclusiva
Authors: Serrano Rosa Mª , Nadal Icíar , López Mª Belén
Published: October 2022

La integración de recursos tecnológicos en un coro inclusivo constituido por personas con y sin diversidad funcional, y en las que un grupo importante no posee conocimientos musicales, ha supuesto una realidad en estos últimos años. El objetivo del estudio es analizar el uso y aportaciones que ofrece esta tecnología en el aprendizaje autónomo del repertorio en los integrantes de dicha agrupación coral. Mediante un estudio de caso en el que se han utilizado como instrumentos un cuestionario ad hoc, el grupo de discusión y las entrevistas semi-estructuradas, se ha realizado un análisis temático del discurso y la comparación y triangulación de la información obtenida de las diferentes fuentes analizadas. Se presentan los resultados obtenidos en relación con la utilización de los recursos tecnológicos ofrecidos por el coro, los objetivos y beneficios de su uso, así como los recursos existentes y la propuesta de nuevas herramientas que favorezcan el proceso de aprendizaje. Se destaca la función de la tecnología como recurso indispensable para la correcta evolución del coro, complementando la formación presencial. Su potencial para el trabajo individual autónomo, su adaptación a las necesidades individuales de cada miembro, su ubicuidad y facilidad de uso y la variabilidad en cuanto al tipo de recursos a ofrecer y dispositivos con los que utilizarlos son algunas de las características más destacables que permiten la transferencia a otros contextos y realidades educativas y formativas. Resulta necesario seguir profundizando en esta línea de investigación para que la inclusión sea una realidad en nuestra sociedad y se pueda ofrecer una formación adaptada a las características y necesidades de cada persona; y en este sentido la tecnología se presenta como una herramienta de gran potencial.
Educación Musical y tecnología: tendencias en investigación
Authors: Marín-Suelves Diana , Gabarda Méndez Vicente , Cuevas Monzonís Nuria
Published: October 2022

La tecnología se ha integrado en las diferentes áreas curriculares por la consideración de la competencia digital como competencia clave y su consecuente impacto en la política educativa de los diferentes países. La Educación Musical no ha quedado ajena a este fenómeno, considerándose la tecnología como una herramienta con un potencial reseñable para su desarrollo. Este estudio trata de aproximarse a la relación entre tecnología y Educación Musical desde un enfoque bibliométrico y bibliográfico: por un lado, se indaga sobre la producción científica en términos cuantitativos, a partir del análisis de los 161 artículos seleccionados de las bases de datos Web of Science y Scopus y, por otro, se analiza el contenido de las 55 publicaciones disponibles en abierto. Los resultados confirman el aumento de la producción científica en los últimos 5 años y las posiciones predominantes de Estados Unidos y España. Destaca, asimismo, la preeminencia de investigaciones centradas en la etapa de Educación Superior, con alumnado y profesorado como principales participantes. Asimismo, es reseñable la variedad de tecnología que se implementa en los procesos formativos, así como su impacto positivo no solo en aspectos relacionados con la propia disciplina, sino también en el desarrollo de competencias de carácter transversal.
Examining the technological and pedagogical elements of select open courseware
Authors: Christiansen Erik , McNally Michael
Published: October 2022

Openness in open courseware (OCW) and open educational resources (OER) requires an open licence, such as Creative Commons licenses, but is affected by several factors both technological and pedagogical. This pilot study examines different factors impacting openness by looking at a very small random sample of 10 relatively recent open courseware offerings from TU Delft and MIT. This paper has two primary objectives: 1) to determine how open the sampled OCW are across eight factors of analysis; and, 2) to determine if the sampled OCW are suitable for educator reuse. The authors evaluated the sampled courses using an existing framework to conceptualize openness. The level of openness was evaluated across eight-factors: copyright/open licensing, accessibility/usability, language, support costs, assessment, digital distribution, file format, and cultural considerations. The framework describes each factor across three dimensions of openness — closed, mixed, and most open — and each author coded the sampled OCW accordingly. This content analysis provided several insights into where sampled OCW succeeded and failed in terms of openness. Courses tended to be relatively open in terms of copyright, assessment, and digital distribution, but closed in terms of language, support costs, and file format. Factors such as accessibility and cultural considerations were more mixed; discipline and course content play a factor in a course’s openness and reuse. This paper also serves a secondary purpose, on the effectiveness of the framework for assessing openness. Openness is a spectrum, with an interplay between factors that determine openness. Greater attention needs to be shown toward pedagogical considerations, rather than technical, when developing open content.