Quarrying in Western Norway

Baug, Irene

doi:10.2307/j.ctvr43j4p

Cited by 4 publications

(1 citation statement)

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“…Nevertheless, the magnetic field can also affect the SFE indirectly by interacting with feedback. Protostellar outflows can mitigate turbulence dissipation (Baug et al 2021) and can be significantly non-local (Offner and Liu 2018). They both decrease the SFE in the core from which they issue and reduce the efficiency of further core formation (Mathew and Federrath 2021).…”

Section: Magnetic Fields and Star Formation Efficiencymentioning

confidence: 99%

Magnetic fields in star formation: from clouds to cores

Pattle¹,

Fissel²,

Tahani³

et al. 2022

Preprint

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In this chapter we review recent advances in understanding the roles that magnetic fields play throughout the star formation process, gained through observations and simulations of molecular clouds, the dense, star-forming phase of the magnetised, turbulent interstellar medium (ISM). Recent results broadly support a picture in which the magnetic fields of molecular clouds transition from being gravitationally sub-critical and near equipartition with turbulence in low-density cloud envelopes, to being energetically sub-dominant in dense, gravitationally unstable star-forming cores. Magnetic fields appear to play an important role in the formation of cloud substructure by setting preferred directions for large-scale gas flows in molecular clouds, and can direct the accretion of material onto star-forming filaments and hubs. Low-mass star formation may proceed in environments close to magnetic criticality; high-mass star formation remains less well-understood, but may proceed in more supercritical environments. The interaction between magnetic fields and (proto)stellar feedback may be particularly important in setting star formation efficiency. We also review a range of widely-used techniques for quantifying the dynamic importance of magnetic fields, concluding that better-calibrated diagnostics are required in order to use the spectacular range of forthcoming observations and simulations to quantify our emerging understanding of how magnetic fields influence the outcome of the star formation process.

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Section: Magnetic Fields and Star Formation Efficiencymentioning

confidence: 99%

Magnetic fields in star formation: from clouds to cores

Pattle¹,

Fissel²,

Tahani³

et al. 2022

Preprint

View full text Add to dashboard Cite

show abstract

Crossing the Maelstrom: New Departures in Viking Archaeology

Lund

Sindbæk

2021

J Archaeol Res

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This paper reviews the achievements and challenges of archaeological research on Viking Age northern Europe and explores potential avenues for future research. We identify the reemergence of comparative and cross-cultural perspectives along with a turn toward studying mobility and maritime expansion, fueled by the introduction of biomolecular and isotopic data. The study of identity has seen a shift from a focus on collective beliefs and ritual to issues of personal identity and presentation, with a corresponding shift in attention to individual burials and the “animated objects.” Network ontologies have brought new perspectives on the emergence of sea trade and urban nodes and to the significance of outfield production and resources. Field archaeology has seen an emphasis on elite manors, feasting halls, and monuments, as well as military sites and thing assembly places, using new data from remote sensing, geophysical surveys, geoarchaeology, and metal detectors. Concerns over current climate change have placed the study of environment as a key priority, in particular in the ecologically vulnerable North Atlantic settlements. Discussing future directions, we call for alignment between societal/economic and individual/cultural perspectives, and for more ethically grounded research. We point to diaspora theory and intersectionality as frameworks with the potential to integrate genomics, identity, and society, and to ecology as a framework for integrating landscape, mobility, and political power.

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Confronting Commerce: Whetstones, Economy and Ecologies of Interdependence in Medieval England

Jervis¹

2023

Norwegian Archaeological Review

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Quarrying in Western Norway

Cited by 4 publications

References 0 publications

Magnetic fields in star formation: from clouds to cores

Magnetic fields in star formation: from clouds to cores

Crossing the Maelstrom: New Departures in Viking Archaeology

Confronting Commerce: Whetstones, Economy and Ecologies of Interdependence in Medieval England

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