The origin of slope deposits in the southern Drakensberg, eastern Lesotho

Abstract The high Drakensberg of southern Africa has received considerable geomorphological interest during recent decades. In particular, there has been an ongoing debate concerning the accuracy of landform interpretations which propagate past glaciation and permafrost. This research examines the macro and micro-sedimentology of various deposits found in eastern Lesotho and compares them with possible geomorphological process origins such as debris flows, debris avalanches, mudflows, mudslides, landslides, solifluction deposits, rock glaciers, pronival ramparts, glacial moraines and fluvial deposits. The results support the contention that four of the deposits are moraines, formed by small glaciers, and one is a debris flow which was initiated by a small glacier. However, two further deposits indicate that localities in close proximity to the linear deposits experienced mass wasting, associated with past periglacial conditions. With the assistance of applying glacier reconstruction methods, modelling hillshade, the provision of new palaeoclimatic extrapolations, and correlation of deposits with contemporary snow patch distribution, it is demonstrated that the valley slope deposits are determined by a past climate that was within the glacial/periglacial equilibrium zone, and was influenced by specific topographic and associated micro-climatic thresholds. It is shown that macro-topographic factors (e.g. slope gradient, aspect etc) and summit altitude are critical factors determining whether slopes were influenced by periglacial (mass wasting) or glacial processes (small niche/cirque glaciers) in adjacent valleys

Social Networking Website Users and Privacy Concerns: A Mixed Methods Investigation

Social networking websites are the fastest growing entity on the Internet. Users of social networking websites post personal information and pictures on these websites. Privacy and social networking websites has been previously studied, however, since those studies were conducted the rules for those websites have changed dramatically. A mixed methods approach was used in this study to examine what privacy concerns users of social networking websites have, whether it’s regarding information on their accounts or the pictures they have posted. This study also considered if there were common personality traits present in people with those concerns. A comparison of user preferences between MySpace and Facebook was also conducted. Quantitative data in the form of survey information was used in addition to qualitative data gathered from semi-structured interviews. This study supports that Social Desirability Bias was correlated with a user being selective of what pictures were displayed on social networking website accounts. Few users expressed a preference for one social networking website over the other. Over half of the participants did express concern for their privacy on social networking website accounts, but there were no personality factors that showed to be predictive of that concern

The Energy Budget of the Urban Surface: Two Locations in Dublin

In the first decade of the 21st Century a significant milestone was reached when the urban proportion of the world’s population of 6.6 billion passed 50%. This proportion will increase rapidly in the decades to come as parts of Asia and Africa become progressively less rural and more urban. Although urban areas occupy less than 3% of the planetary landmass, they are the foci of humans and economic activity. The climates that they generate are distinctive and represent unambiguous evidence of the anthropogenic climatic effect. This urban climate effect is a consequence of two related properties, land cover (form) and land use (function). Urbanisation replaces ‘natural’ surfaces with manufactured materials that are usually impervious and have distinctive thermal and radiative properties. In addition, the urban surface is both geometrically complex and highly diverse. These properties of form result in the formation of myriad microclimates caused by a number of climate drivers, including access to the sun and shelter from wind. Urban function refers to the human activities that generate waste heat, moisture and materials as a result of transportation, industrial production, energy consumption, and so on. These functions tend to have distinctive spatial and temporal emission patterns. Together, urban form and urban function generate urban climates at a hierarchy of scales

The Energy Budget of the Urban Surface: Two Locations in Dublin

In the first decade of the 21st Century a significant milestone was reached when the urban proportion of the world’s population of 6.6 billion passed 50%. This proportion will increase rapidly in the decades to come as parts of Asia and Africa become progressively less rural and more urban. Although urban areas occupy less than 3% of the planetary landmass, they are the foci of humans and economic activity. The climates that they generate are distinctive and represent unambiguous evidence of the anthropogenic climatic effect. This urban climate effect is a consequence of two related properties, land cover (form) and land use (function). Urbanisation replaces ‘natural’ surfaces with manufactured materials that are usually impervious and have distinctive thermal and radiative properties. In addition, the urban surface is both geometrically complex and highly diverse. These properties of form result in the formation of myriad microclimates caused by a number of climate drivers, including access to the sun and shelter from wind. Urban function refers to the human activities that generate waste heat, moisture and materials as a result of transportation, industrial production, energy consumption, and so on. These functions tend to have distinctive spatial and temporal emission patterns. Together, urban form and urban function generate urban climates at a hierarchy of scales

OncoLog Volume 45, Number 05, May 2000

Early Detection of Melanoma Spread May Increase Survival Benefits of Adjuvant Therapy No Easy Answers: Women at Increased Risk for Breast Cancer Face Difficult Choices DiaLog: Understanding Risk: A Prerequisite for Making Informed Decisions, by Gordon B. Mills, MD, PhD, Chairman, Department of Molecular Therapeutics House Call: Looking for Trouble: How to Spot Signs of Melanoma Protocols: Melanoma Clinical Trials Biochemotherapy Means Hope for Patients with Advanced Melanomahttps://openworks.mdanderson.org/oncolog/1085/thumbnail.jp

Глобалізація і сучасне політичне насилля

Здійснено науково-аналітичне обґрунтування, осмислення та оцінка основних закономірності і тенденції трансформації джерел сучасного політичного насилля в умовах глобалізаційних процесів. Акцентується увага на специфіці руйнування державної монополії на застосування легітимного політичного примусу в умовах потужних структурних соціальних змін і формування нових недержавних суб’єктів насилля

Теорія «гібридної війни»: український вимір

Досліджено специфіку становлення теорії «гібридної війни» в сучасному науковому дискурсі. Проаналізовано політичні, економічні, дипломатичні, військові та інформаційні аспекти реалізації гібридної боротьби в українських умовах