High-resolution repeat topography of drifting ice floes in the Arctic Ocean from terrestrial laser scanning.

Snow and ice topography impact and are impacted by fluxes of mass, energy, and momentum in Arctic sea ice. We measured the topography on approximately a 0.5 km2 drifting parcel of Arctic sea ice on 42 separate days from 18 October 2019 to 9 May 2020 via Terrestrial Laser Scanning (TLS). These data are aligned into an ice-fixed, lagrangian reference frame such that topographic changes (e.g., snow accumulation) can be observed for time periods of up to six months. Using in-situ measurements, we have validated the vertical accuracy of the alignment to ± 0.011 m. This data collection and processing workflow is the culmination of several prior measurement campaigns and may be generally applied for repeat TLS measurements on drifting sea ice. We present a description of the data, a software package written to process and align these data, and the philosophy of the data processing. These data can be used to investigate snow accumulation and redistribution, ice dynamics, surface roughness, and they can provide valuable context for co-located measurements.

A Database of Snow on Sea Ice in the Central Arctic Collected during the MOSAiC expedition.

Snow plays an essential role in the Arctic as the interface between the sea ice and the atmosphere. Optical properties, thermal conductivity and mass distribution are critical to understanding the complex Arctic sea ice system's energy balance and mass distribution. By conducting measurements from October 2019 to September 2020 on the Multidisciplinary drifting Observatory for the Study of Arctic Climate (MOSAiC) expedition, we have produced a dataset capturing the year-long evolution of the physical properties of the snow and surface scattering layer, a highly porous surface layer on Arctic sea ice that evolves due to preferential melt at the ice grain boundaries. The dataset includes measurements of snow during MOSAiC. Measurements included profiles of depth, density, temperature, snow water equivalent, penetration resistance, stable water isotope, salinity and microcomputer tomography samples. Most snowpit sites were visited and measured weekly to capture the temporal evolution of the physical properties of snow. The compiled dataset includes 576 snowpits and describes snow conditions during the MOSAiC expedition.

Neither seen nor heard: children and homecare policy in Canada.

Changes in public policy have led to increasing numbers of children with disabilities and complex medical needs being cared for in the homes of Canadians. Little work, however, has explored the ethical implications of these policies. This paper focuses on some of the shortcomings of current policy and describes a developing method for policy analysis with an explicit focus on ethics that could be adopted in other nations. Three forms of analyses - descriptive, conceptual and normative - conducted on Canadian homecare policy documents describe various dimensions of Canadian homecare policy. The descriptive analysis demonstrated that the jurisdiction of homecare services is dispersed across numerous programs and ministries with no single structure for policy implementation and accountability. The needs of children and youth are rarely mentioned in home healthcare policies, but instead are addressed under broader social policies that are focused upon children and family. The conceptual analysis revealed four over-arching themes that represent the predominant elements of a value-structure that underlie homecare policy. They include: (1) home and community care as ideal; (2) the importance of independence and self-care of citizens; (3) family as primary care provider; and (4) citizenship as entitlement to rights and justice. Overall, these themes tend to reflect a neoliberal ideology that shifts the responsibility of care from the state to the individual and his/her family. A normative framework based on critical healthcare ethics is used in the paper to make recommendations to redress the current imbalance between state and family support. For example, including homecare services within the Canada Health Act (CHA) or the development of separate legislation consistent with the principles of the CHA would make it possible to ensure that the principles of universality, accessibility, portability and public administration, as opposed to principles that reinforce competitive individualism, direct the provision of homecare services in Canada.

Nursing resistance as ethical action: literature review.

BACKGROUND: Much has been written about nursing as a predominantly female profession whose members display passivity, submission, obedience and powerlessness. Alternatively, some authors have presented evidence of nurses' capacity to exercise power, revealing the possible relationship between powerlessness and ethical compromise. Thus, empowerment strategies for nurses can yield ethical action. AIM: The aim of this paper is to use analysis of the literature to demonstrate how the actions and responses of nurses to ethical concerns are examples of nurses exercising power. METHOD: Empirical studies published in the nursing literature between 1990 and 2003 have been analysed to illustrate how nurses' actions of resistance can ensure that moral values are realized in practice. Foucauldian notions of power relations and feminist ethics provide the theoretical framework. CONCLUSIONS: Nurses were found to resist in situations where they experienced moral conflicts in relation to the actions of health professionals; however, instances were cited where they did not. Consequently, strategies for nursing education and management are proposed to increase nurses' understanding of the potential acts of resistance that they could employ in situations of moral conflict or concern.

Analysis of the moral habitability of the nursing work environment.

BACKGROUND: Following health reform, nurses have experienced the tremendous stress of heavy workloads, long hours and difficult professional responsibilities. In recognition of these problems, a study was conducted that examined the impact of the working environment on the health of nurses. After conducting focus groups across Canada with nurses and others well acquainted with nursing issues, it became clear that the difficult work environments described had significant ethical implications. AIM: The aim of this paper is to report the findings of research that examined the moral habitability of the nursing working environment. METHODS: A secondary analysis was conducted using the theoretical work of Margaret Urban Walker. Moral practices and responsibilities from Walker's perspective cannot be extricated from other social roles, practices and divisions of labour. Moral-social orders, such as work environments in this research, must be made transparent to examine their moral habitability. Morally habitable environments are those in which differently situated people experience their responsibilities as intelligible and coherent. They also foster recognition, cooperation and shared benefits. FINDINGS: Four overarching categories were developed through the analysis of the data: (1) oppressive work environments; (2) incoherent moral understandings; (3) moral suffering and (4) moral influence and resistance. The findings clearly indicate that participants perceived the work environment to be morally uninhabitable. The social and spatial positioning of nurses left them vulnerable to being overburdened by and unsure of their responsibilities. Nevertheless, nurses found meaningful ways to resist and to influence the moral environment. CONCLUSIONS: We recommend that nurses develop strong moral identities, make visible the inseparability of their proximity to patients and moral accountability, and further identify what forms of collective action are most effective in improving the moral habitability of their work environments.