Introduction

Kasper, Tomáš; Rýdl, Karel; Hoffmann-Ocon, Andreas

doi:10.14712/23362189.2017.004

Cited by 2 publications

(3 citation statements)

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“…The old engines have a long cold-start time of approximately 15 min. Maniitsoq has several private PV installations, and the estimated installed PV capacity is between 450 and 500 kWp [27,59]. 1, and the scenarios are presented in Table 2.…”

Section: Maniitsoqmentioning

confidence: 99%

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Availability and Feasibility of Renewable Resources for Electricity Generation in the Arctic: The Cases of Longyearbyen, Maniitsoq, and Kotzebue

et al. 2021

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Currently, the dominant energy source for electricity generation in the Arctic is diesel, which is well proven for Arctic conditions. However, diesel is expensive in the Arctic, often due to long and complicated fuel transportation routes, and so inhabitants of Arctic communities can face high electricity costs. This paper investigates whether renewable energy resources can be harvested in a feasible and cost-competitive manner. The paper highlights which renewable energy resources are generally available in the Arctic and analyzes how renewable resources, such as hydropower, wind, and photovoltaics, can be used. Furthermore, we present three specific case studies to provide in-depth insight. A simulation with different energy generation scenarios using different renewable energy sources and penetration levels was performed for each case. The results indicate that renewables can be a cost-competitive option and that the optimal mix of renewables varies for different communities. Stakeholders and experts from the case study communities were also interviewed and their responses indicated a general acceptance of renewables.

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Section: Maniitsoqmentioning

confidence: 99%

“…A site suitable for a hydropower plant is located approximately 30 km from the community. The location's potential ranges from 2 MW to 14.5 MW, depending on the expansion stage [59]. Wind power could be another option; currently, no data are available to predict the efficiency of wind turbines in the area.…”

Section: Maniitsoqmentioning

confidence: 99%

Availability and Feasibility of Renewable Resources for Electricity Generation in the Arctic: The Cases of Longyearbyen, Maniitsoq, and Kotzebue

et al. 2021

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“…Those working in tighter spaces (e.g., reactor, engineering, supply, and weapons departments) appeared more likely to have confirmed or suspected COVID-19 than those working in a combination of open-air and confined conditions (e.g., air and deck crew). 29 In the absence of qualified engineering watchstanders, the ship cannot get underway or even operate its generators at the pier. These watchstanders must, however, perform their duties in conditions that are particularly susceptible to virus spread.…”

Section: Personnel Readinessmentioning

confidence: 99%

Readiness Implications of Coronavirus Infections on U.S. Navy Ships

2021

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n early 2020, a highly infectious respiratory disease, COVID-19, swept across the world. The disease affected nearly every aspect of human activity, specifically anything that required close contact with other people for a prolonged period. COVID-19 appeared to be most deadly for people who are older and/or have comorbidities. But even among young and healthy people, it sometimes took unexpected and fatal paths.The active-duty U.S. Navy primarily comprises young and healthy people but, by its nature, requires crew members aboard its ships to be in close proximity over a period of weeks and months. Unsurprisingly, COVID-19 outbreaks have occurred on Navy ships. Although the Navy has generally refrained from releasing ship names, the most widespread and extensive outbreak was on USS Theodore Roosevelt (CVN 71) beginning in March 2020, one of the earliest months of the pandemic. The outbreak occurred while the ship was deployed in the Western Pacific and required a ten-week period pierside in Guam. A subsequent investigation by the Vice Chief of Naval Operations of the chain of command actions with regard to COVID-19 onboard the ship determined that the ineffective implementation of social distancing and premature release of sailors from quarantine were the primary causes of increased infection. This was attributed to the USS Theodore Roosevelt leadership not effectively implementing mitigation measures for the majority of their crew, allowing social gathering areas to remain open, and continuing to perform urinalysis testing for illegal substances that should have been considered nonessential during the outbreak. Additionally, the leadership prematurely released sailors from quarantine because conditions

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Abstract: The monothematic issue of Pedagogika, Historical Reflection of Education and Its Significance in (Not Only) Teacher Education, tackles several questions and problematic areas at a time.

Cited by 2 publications

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Availability and Feasibility of Renewable Resources for Electricity Generation in the Arctic: The Cases of Longyearbyen, Maniitsoq, and Kotzebue

Availability and Feasibility of Renewable Resources for Electricity Generation in the Arctic: The Cases of Longyearbyen, Maniitsoq, and Kotzebue

Readiness Implications of Coronavirus Infections on U.S. Navy Ships

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