66 resultados para 14C dating


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This presentation aims to raise issues related to teenage relationship abuse (TRA-dating violence) and help seeking behaviour from an intersectional approach. Even though teenage relationship abuse has been raised as an issue since the 80’s there is still an absence of an intersectional theoretical conceptualization of TRA. Existing conceptualizations are based on incorrect assumptions of sameness of teenagers experiences of TRA which ignore the unique developmental stages of teenagers as well as youth’s diverse lived experiences due to their sexual orientation, ethnicity, class, disability as well as other structural divisions. TRA exists in a social context of inequalities. For the individual survivor, this social context is created not only through romantic relationships, but also through relationships with families, peers, friends, classmates and others. Their experiences are constructed through these relationships which form part of the social context into which TRA needs to be analysed. The analytical framework of intersectionality can provide a framework of understanding how these lived experiences are enacted and negotiated contextually. Emphasis will be given to the help seeking behaviour of diverse youths. This presentation will explore the diverse lived experiences contextually. Methods and Findings: This presentation is based on a research project in Northern Ireland currently underway, thus, it will offer a preliminary conceptualisation of TRA from an intersectional approach. The findings will be contextualized taking into account the high rate of homophobia that exists in Northern Ireland amongst other things. Conclusion/Recommendation: Intersectionality needs to be the analytical framework through which teenagers’ relationship’s experience are analysed since the lived experiences of LGTB, BME and disabled youth cannot be analysed apart from the structural divisions, social location and the context they are experienced. This presentation argues that the intersectional approach of theorizing is congruent and contributes to anti-oppressive social work practice.

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The newly updated inventory of palaeoecological research in Latin America offers an important overview of sites available for multi-proxy and multi-site purposes. From the collected literature supporting this inventory, we collected all available age model metadata to create a chronological database of 5116 control points (e.g. 14C, tephra, fission track, OSL, 210Pb) from 1097 pollen records. Based on this literature review, we present a summary of chronological dating and reporting in the Neotropics. Difficulties and recommendations for chronology reporting are discussed. Furthermore, for 234 pollen records in northwest South America, a classification system for age uncertainties is implemented based on chronologies generated with updated calibration curves. With these outcomes age models are produced for those sites without an existing chronology, alternative age models are provided for researchers interested in comparing the effects of different calibration curves and age–depth modelling software, and the importance of uncertainty assessments of chronologies is highlighted. Sample resolution and temporal uncertainty of ages are discussed for different time windows, focusing on events relevant for research on centennial- to millennial-scale climate variability. All age models and developed R scripts are publicly available through figshare, including a manual to use the scripts.