bluuebunny/crossref_metadata_2025 huggingface dataset:
Investigation of new particle formation at the summit of Mt. Tai, China
Authors: Lv Ganglin , Sui Xiao , Chen Jianmin , Jayaratne Rohan , Mellouki Abdelwahid
Published: October 2016

Abstract. To date very few field observations of new particle formation (NPF) have been carried out at the high-elevation mountain sites in China. Simultaneously measurements of particle size distributions, gas species, meteorological conditions and PM2.5 were performed at the summit of Mt. Tai (1530 m ASL) from 25 July to 24 October 2014 (І), 21 September to 9 December 2014 (И) and 16 June to 7 August 2015 (Ш). The results showed that: (i) 66 NPF events were observed during 164 days, corresponding to an occurrence frequency of 40 %. Formation rates, growth rates and condensation sinks were in the range of 1.10–57.43 cm−3 s−1, 0.58–7.76 nm h−1 and 0.40 × 10−2–6.32 × 10−2 s−1, respectively, and Mt. Tai appeared to show the larger formation rate and smaller growth rate relative to other locations in China. The mean value of sulfur dioxide on NPF days was 46 % higher than that on non-NPF days, and a higher sulfur dioxide concentration could improve the possibility of rich precursors for NPF. (ii) Sulfuric acid condensation contributed to 16.20 % of growth rate, and sulfuric acid proxy showed an obvious correlation with total particle concentration of 3–6 nm (N3–6 nm). (iii) Low PM2.5 was favourable for nucleation, and NPF days with limited higher PM2.5 seemed to have larger growth rates which might be related to particles recombination in close sizes. Four NPF events were observed on haze episodes, which could be promoted by potential specific mechanisms or pollutants. (iv) Particles formed via NPF on both clean and polluted days mainly contributed to Aiken mode eventually, and PM2.5 variation was always in accordance with particle total volume concentration.
Identifying Criegee intermediates as potential oxidants in the troposphere
Authors: Novelli Anna , Hens Korbinian , Tatum Ernest Cheryl , Martinez Monica , Nölscher Anke C. , Sinha Vinayak , Paasonen Pauli , Petäjä Tuukka , Sipilä Mikko , Elste Thomas , Plass-Dülmer Christian , Phillips Gavin J. , Kubistin Dagmar , Williams Jonathan , Vereecken Luc , Lelieveld Jos , Harder Hartwig
Published: October 2016

Abstract. We analysed the extensive dataset from the HUMPPA-COPEC 2010 and the HOPE 2012 field campaigns in the boreal forest and rural environments of Finland and Germany, respectively, and estimated the abundance of stabilised Criegee intermediates (SCI) in the lower troposphere. Based on laboratory tests, we propose that the background OH signal observed in our IPI-LIF-FAGE instrument during the afore-mentioned campaigns is caused at least partially by SCI. This hypothesis is based on observed correlations with temperature and with concentrations of unsaturated volatile organic compounds and ozone. The background OH concentration also complements the previously underestimated production rate of sulfuric acid and is consistent with its scavenging through the addition of sulphur dioxide. A central estimate of the SCI concentration of ~ 5 × 104 molecules cm−3 (with an order of magnitude uncertainty) is calculated for the two environments. This implies a very low ambient concentration of SCI, though, over the boreal forest, significant for the conversion of SO2 into H2SO4. The large uncertainties in these calculations, owing to the many unknowns in the chemistry of Criegee intermediates, emphasise the need to better understand these processes and their potential effect on the self-cleaning capacity of the atmosphere.
Determining stages of cirrus life-cycle evolution: A cloud
classification scheme
Authors: Urbanek Benedikt , Groß Silke , Schäfler Andreas , Wirth Martin
Published: October 2016

Abstract. Cirrus clouds impose high uncertainties on climate prediction, as knowledge on important processes is still incomplete. For instance it remains unclear how cloud microphysical and radiative properties change as the cirrus evolves. Recent studies classify cirrus clouds into categories including "in situ", "orographic", "convective" and "liquid origin" clouds and investigate their specific impact. Following this line, we present a novel scheme for the classification of cirrus clouds that addresses the need to determine specific stages of cirrus life-cycle evolution. Our classification scheme is based on airborne Differential Absorption and High Spectral Resolution Lidar measurements of atmospheric water vapor, aerosol depolarization, and backscatter, together with model temperature fields and simplified parameterizations of freezing onset conditions. It identifies regions of supersaturation with respect to ice (ISSR), heterogeneous and homogeneous nucleation, depositional growth, and ice sublimation and sedimentation with high spatial resolution. Thus the whole cirrus life-cycle can be traced. In a case study of a gravity lee wave influenced cirrus cloud, encountered during the ML-CIRRUS flight campaign, the applicability of our classification is demonstrated. Revealing the structure of cirrus clouds, this valuable tool might help to examine the influence of life-cycle stages on the cloud's net radiative effect and to investigate the specific variability of optical and microphysical cloud properties in upcoming research.
Radar Reflectivity Factors Simulations of Ice Crystal Populations
from In-Situ Observations for the Retrieval of Condensed Water
Content in Tropical Mesoscale Convective Systems
Authors: Fontaine Emmanuel , Leroy Delphine , Schwarzenboeck Alfons , Delanoë Julien , Protat Alain , Dezitter Fabien , Grandin Alice , Strapp John Walter , Lilie Lyle Edward
Published: October 2016

Abstract. This study presents the evaluation of a technique to estimate cloud condensed water content (CWC) in tropical convection from airborne cloud radar reflectivity factors at 94 GHz and in-situ measurements of particle size distributions (PSDs) and aspect ratios of ice crystal populations. The approach is to calculate the variability of 5 second average PSD CWCs and all possible solutions of corresponding m(D) relationships fulfilling the condition that the simulated radar reflectivity factors (T-matrix method) matches the measured reflectivity. For the reflectivity simulations, ice crystals were approximated as oblate spheroids, without using a priori assumptions on the mass-size relationship of ice crystals. The CWC calculations demonstrate that measured CWC values are in the range ±32 % of the average CWC value: averaged over all CWC solutions for the chosen 5s time intervals. In addition, during the airborne field campaign performed out of Darwin in 2014, as part of the international High Altitude Ice Crystals (HAIC) – High Ice Water Content (HIWC) projects, CWCs were measured directly with the new IKP-2 (isokinetic evaporator probe) instrument along with simultaneous particle imagery and radar reflectivity. Averaged CWC retrieved from the radar reflectivity simulations are roughly 16 % higher than the IKP-2 CWC measurements. The differences between the IKP-2 and PSD derived CWCs from the entire set of realistic m(D) solutions for T-matrix retrievals is found to be a function of the total number concentration of ice crystals. Consequently, a correction term is applied (as a function of total number concentration) that significantly improves the retrieved CWC. After correction, the retrieved CWC have a median error relative to measured values of only −1 %.
Inverse modelling of NOx emissions over eastern China: uncertainties due
to chemical non-linearity
Authors: Gu Dasa , Wang Yuhang , Yin Ran , Zhang Yuzhong , Smeltzer Charles
Published: October 2016

Abstract. Satellite observations of nitrogen dioxide (NO2) have often been used to derive nitrogen oxides (NOx =  NO + NO2) emissions. A widely used inversion method was developed by Martin et al. (2003). Refinements of this method were subsequently developed. In the context of this inversion method, we show that the local derivative (of a first-order Taylor expansion) is more appropriate than the “bulk ratio” (ratio of emission to column) used in the original formulation for polluted regions. Using the bulk ratio can lead to biases in regions of high NOx emissions such as eastern China due to chemical non-linearity. Inverse modelling using the local derivative method is applied to both GOME-2 and OMI satellite measurements to estimate anthropogenic NOx emissions over eastern China. Compared with the traditional method using bulk ratio, the local derivative method produces more consistent NOx emission estimates between the inversion results using GOME-2 and OMI measurements. The results also show significant changes in the spatial distribution of NOx emissions, especially over high emission regions of eastern China. We further discuss a potential pitfall of using the difference of two satellite measurements to derive NOx emissions. Our analysis suggests that chemical non-linearity needs to be accounted for and that a careful bias analysis is required in order to use the satellite differential method in inverse modelling of NOx emissions.
Identification of reworking in Eocene to Miocene pollen records from offshore Antarctica: a new approach using red fluorescence
Authors: Strother Stephanie L. , Salzmann Ulrich , Sangiorgi Francesca , Bijl Peter K. , Pross Jörg , Woodward John , Pound Matthew J.
Published: October 2016

Abstract. Antarctic palaeoclimate evolution and vegetation history after the formation of a continent-scale cryosphere at the Eocene/Oligocene boundary, 33.9 million years ago, has remained a matter of controversy. In particular, the reconstruction of terrestrial climate and vegetation has been strongly hampered by uncertainties in unambiguously identifying in situ as opposed to reworked sporomorphs that have been transported into Antarctic marine sedimentary records by waxing and waning ice sheets. Whereas reworked sporomorph grains over longer non-successive geological time scales are easily identifiable within younger sporomorph assemblages (e.g., Permian sporomorphs in Pliocene sediments), distinguishing in situ from reworked material in palynological assemblages over successive geological time periods (e.g., Eocene sporomorphs in Oligocene sediments) has remained problematic. This study presents a new quantitative approach to identifying in situ grains from a marine sediment core from circum-Antarctic waters. We measured the fluorescence signature and mean red, green and blue, brightness, intensity and saturation values of selected pollen and spore taxa from Eocene, Oligocene and Miocene sediments from the Wilkes Land margin Site U1356 (East Antarctica) recovered during Integrated Ocean Drilling Program (IODP) Expedition 318. Our study identified statistically significant differences in mean red fluorescence values of in situ sporomorph taxa against age. We conclude that red fluorescence is a reliable parameter to identify the presence of in situ pollen and spores in Antarctic marine sediment records from the circum-Antarctic realm that are influenced by glaciation and extensive reworking. Our study provides an essential new tool required to accurately reconstruct Cenozoic terrestrial climate change on Antarctica using fossil pollen and spores.
Acidification counteracts negative effects of warming on diatom silicification
Authors: Coello-Camba Alexandra , Agustí Susana
Published: October 2016

Abstract. Diatoms are a significant group contributing up to 40 % of annual primary production in the oceans. They have a special siliceous cell wall that, acting as a ballast, plays a key role in the sequestration of global carbon and silica. Diatoms dominate primary production in the Arctic Ocean, where global climate change is causing increases in water temperature and in the partial pressure of CO2 (pCO2). Here we show that as water temperature increases diatoms become stressed, grow to smaller sizes, and decrease their silicification rates. But at higher pCO2, as the pH of seawater decreases, silica incorporation rates are increased. In a future warmer Arctic ocean diatoms may have a competitive advantage under increased ocean acidification, as increased pCO2 counteracts the adverse effects of increasing temperature on silicification and buffers its consequences in the biogeochemical cycles of carbon and silica.
Small phytoplankton contribution to the total primary production in the Amundsen Sea
Authors: Lee Sang H. , Kim Bo Kyung , Lim Yu Jeong , Joo HuiTae , Lee Dabin , Park Jisoo , Lee Sang Hoon
Published: October 2016

Abstract. Small-sized phytoplankton is anticipated to be more important for phytoplankton community in a recent changing ocean condition. However, little information on the contribution of small-sized phytoplankton to overall phytoplankton production is currently available in the Amundsen Sea. To determine the contributions of small-sized phytoplankton to total biomass and primary production, carbon and nitrogen uptake rates of total and small-sized phytoplankton were obtained from 12 productivity stations in the Amundsen Sea. The daily carbon uptake rates of total phytoplankton averaged in this study were 0.42 g C m−2 d−1 (S.D. = ±0.30 g C m−2 d−1) and 0.84 g C m−2 d−1 (S.D. = ±0.18 g C m−2 d−1) whereas the daily total nitrogen (nitrate and ammonium) uptake rates were 0.12 g N m−2 d−1 (S.D. = ±0.09 g N m−2 d−1) and 0.21 g N m−2 d−1 (S.D. = ±0.11 g N m−2 d−1), respectively for non-polynya and polynya regions, which were within the ranges reported previously. Small phytoplankton contributed 26.9 % and 27.7 % to the total carbon and nitrogen uptake rates of phytoplankton in this study, respectively, which were relatively higher than the chlorophyll-a contribution (19.4 %) of small phytoplankton. For a comparison of different regions, the contributions for chlorophyll-a concentration and primary production of small phytoplankton averaged from all the non-polynya stations were 42.4 % and 50.8 %, which were significantly higher than those (7.9 % and 14.9 %, respectively) in polynya region. A strong negative correlation (r2 = 0.790, p
Non-representational thinking: Methodologische Überlegungen anhand des Bonner Sperrmüllassemblages
Authors: Bertram Erik
Published: October 2016

Abstract. This paper undertakes a creative exploration of bulky rubbish [sperrmüll] in the City of Bonn by expanding on and utilising what has come to be known as non-representational thinking. Through a non-representational engagement with sperrmüll, I shed light on waste as a significant human-nonhuman ecology as it appears in an especially routinised manifestation in urban space. In doing so, the paper contributes to a discussion about enacting non-representational methodologies within German-speaking human geography. Here, there are three methodological interventions for a non-representational endeavour: (1) interfering, (2) material thinking, and (3) writing and presentation. These interventions are supported by revisiting Deleuze and Guattari's notion of assemblage; using it as a way to attend to sperrmüll as an area-sized fabrication connecting humans and various other materialities, and which directs thought towards a wide array of agencies. In conclusion, non-representational perspectives are advanced as a way to expose the affective ecologies that enable certain actions and hamper others.
Analysis of the technical biases of meteor video cameras used in the CILBO system
Authors: Albin Thomas , Koschny Detlef , Molau Sirko , Srama Ralf , Poppe Björn
Published: October 2016

Abstract. In this paper we analyze the technical biases of two intensified video cameras, ICC7 and ICC9 of the double-station meteor camera system CILBO (Canary Island Long-Baseline Observatory). This is done to thoroughly understand the effects of the camera systems on the scientific data analysis. We expect a number of errors or biases that come from the system: Instrumental errors, algorithmic errors, and statistical errors. We analyze different observational properties, in particular the detected meteor magnitudes, apparent velocities, estimated goodness-of-fit of the astrometric measurements w.r.t. a great circle, and the distortion of the camera. We find that due to a loss of sensitivity towards the edges, the cameras detect only about 55 % of the meteors it could detect if it had a constant sensitivity. This detection efficiency is a function of the apparent meteor velocity. We analyze the optical distortion of the system and the "goodness-of-fit" of individual meteor position measurements relative to a fitted great circle. The astrometric error is dominated by uncertainties in the measurement of the meteor attributed to blooming, distortion of the meteor image, and the development of a wake for some meteors. The distortion of the camera system can be neglected. We compare the results of the two identical camera systems and find systematic differences. For example, the peak magnitude distribution for ICC9 is shifted by about 0.2–0.4 mag towards fainter magnitudes. This can be explained by the different pointing directions of the cameras. Since both cameras monitor the same volume in the atmosphere roughly between the two islands of Tenerife and La Palma, one camera (ICC7) is pointing towards the West, the other one (ICC9) the East. In particular in the morning hours the Apex source is close to the field-of-view of ICC9. Thus these meteors appear slower, increasing the dwell time on a pixel. This is favorable for the detection of a meteor of a given magnitude.
A new module for trace gas emissions in ICON-ART 2.0: A
sensitivity study focusing on acetone emissions and concentrations
Authors: Weimer Michael , Schröter Jennifer , Eckstein Johannes , Deetz Konrad , Neumaier Marco , Fischbeck Garlich , Rieger Daniel , Vogel Heike , Vogel Bernhard , Reddmann Thomas , Kirner Oliver , Ruhnke Roland , Braesicke Peter
Published: October 2016

Abstract. We present a new emissions module for the ICON (ICOsahedral Non-hydrostatic)-ART (Aerosols and Reactive Trace gases) modelling framework. The emissions module processes external flux data sets and increments the tracer volume mixing ratios in the boundary layer accordingly. In addition, the module for online calculations of biogenic emissions (MEGAN2.1) is implemented in ICON-ART and can replace the offline biogenic emission data sets. The performance of the emissions module is illustrated with simulations of acetone, using a simplified chemical depletion mechanism based on a reaction with OH and photolysis only. In our model setup, we calculate a tropospheric acetone lifetime of 33 days, which is in good agreement with the literature. We compare our results with airborne IAGOS-CARIBIC measurements in the upper troposphere and lowermost stratosphere (UTLS) in terms of phase and amplitude of the annual cycle. In all our ICON-ART simulations the general seasonal variability is well represented but questions remain concerning the magnitude of the acetone emissions and its atmospheric lifetime. We conclude that the new emissions module performs well and allows the simulation of the annual cycles of emissions dominatedconcentrations even with a simple chemistry only.
Identifying urban areas prone to flash floods using GIS – preliminary results
Authors: Wicht Marzena , Osinska-Skotak Katarzyna
Published: October 2016

Abstract. The aim of this study is to develop a consistent methodology to determine urban areas that are particularly vulnerable to the effects of heavy, rapid rains. They are, as a result of climate change, more and more prevalent in the temperate climate, usually spring – summer from mid-May to late August – and involve the risk of flash floods. In recent years, the increase in incidences of such phenomena is noticeable throughout the whole of Europe. It is assumed that through the analysis of environmental and infrastructural conditions, using the developed methodology, it is possible to determine areas vulnerable to flooding due to torrential rains. This may lead to a better management, quicker response in case of a phenomenon, and even preventative measures to reduce the occurrence of adverse effects of torrential rains (for instance modernisation of the urban drainage system and development of methods to get rid of rapidly collected water). Identifying areas particularly vulnerable to the effects of heavy rains can be achieved by adapting hydrological models, but they require an appropriate adjustment and highly accurate input data: (based in situ or radar measurements of precipitation, land cover, soil type, humidity, wind speed, vegetation species in a given area, growing season, the roughness and porosity of the cover and soil moisture) but such detailed data are generally hard to obtain or not available for less developed areas. It could also be achieved by performing spatial analysis in GIS environment, which is a more simplified form of modelling, but it gives results more quickly and the methodology can be adapted to the commonly available data. The proposed methodology was tested in Warsaw's central sub-district – Powiśle.
Assessment of reliability of extreme wave height prediction models
Authors: Samayam Satish , Laface Valentina , Sannasi Annamalaisamy Sannasiraj , Arena Felice , Vallam Sundar , Vladislav Gavrilovich Polnikov
Published: October 2016

Abstract. Extreme waves influence coastal engineering activities and have an immense geophysical implication. Therefore, their study, observation and extreme wave prediction are decisive for planning for mitigation measures against natural coastal hazards, ship routing, design of coastal and offshore structures. In this study, the estimates of design wave heights associated with return period of 30 and 100 years are dealt with in detail. The design wave height is estimated based on four different models to obtain a general and reliable model. Different locations are considered to perform the analysis: four sites in Indian waters, one in Mediterranean Sea and two in North America. For the Indian water domain European Centre for Medium-Range Weather Forecasts (ECMWF) global atmospheric reanalysis ERA-interim wave hind cast data covering a period of 36 years have been utilized for this purpose. For the locations in Mediterranean Sea and North America both ERA-interim wave hind cast and buoy data are considered. The reasons for the variation in return value estimates of the ERA-interim data and the buoy data using different estimation models are assessed in detail.
The Effect of Cooperative Learning Techniques on Intermediate Iranian EFL Learners' Reading Comprehension and Reading Strategies
Authors: Mall-Amiri Behdokht , Gurk Neda Kord Ali
Published: October 2016

The purpose of this study was to investigate the effect of Cooperative Learning techniques on Intermediate Iranian EFL learners' reading comprehension, and reading strategies. In order to do this 90 Iranian EFL learners took, Preliminary English Test (PET), at the start for the researcher homogenize them regarding their general English proficiency. After that, 60 learners whose scores were one standard deviation above and below the mean were selected and were divided into 2groups; Experimental, and Control. Then their homogeneity regarding their reading comprehension was checked through the PET reading comprehension subtest. Afterwards, their reading strategies before the treatment were compared using MARSI questionnaire. During the twelve sessions of treatment the experimental group received the Cooperative Learning Techniques while working on their reading comprehension, and the control group, received traditional teaching without focus on CL techniques. In this study the researcher did not teach reading strategies to the learners. In order to investigate the result of the research a one way MANOVA sample test was used to see the effect of cooperative learning techniques on intermediate Iranian EFL learners' reading comprehension, and reading strategies, and the result has shown that cooperative learning techniques had a significant positive effect on intermediate Iranian EFL learners' reading comprehension, and reading strategies.
Órfãos de Narciso: subjetividade e beleza em discursos e práticas da atualidade
Authors: Vieira da Silva Francisco , Do Socorro Maia Fernandes Barbosa Maria
Published: October 2016

Seguindo uma abordagem predominantemente foucaultiana, o artigo analisa os modos através dos quais emergem determinados tipos de subjetividade em discursos e práticas acerca da beleza. Para tanto, analisamos quatro materialidades que circularam na rede digital (um depoimento, uma reportagem, uma campanha publicitária e uma notícia). Do ponto de vista metodológico, este trabalho inscreve-se no âmbito de uma pesquisa de cunho descritivo-interpretativo e segue uma abordagem qualitativa. As análises do corpus atestam que, nos diferentes posicionamentos em torno da beleza, há a produção constante de subjetividade, de modos através dos quais o sujeito relaciona-se consigo mesmo e com o outro.
Práticas de Reescrita: possibilidades de instauração da autoria
Authors: Assolini Filomena Elaine Paiva , Dornelas Camila Carrari
Published: October 2016

Apresentamos resultados de pesquisa concluída que investigou as práticas de reescrita como possibilidade de instauração da autoria, em textos acadêmicos, produzidos por estudantes universitários. Trazemos, ainda, resultados concernentes à relação que esses estudantes estabelecem com a escrita e as possibilidades de ressignificação desse objeto simbólico, a partir da reescrita. O arcabouço teórico que sustenta essa investigação é constituído pela Análise de Discurso pecheuxtiana, pela Psicanálise freudo-lacaniana, pelas contribuições das Ciências da Educação, em particular as que se referem aos estudos sobre a formação de professores. Dentre as conclusões às quais chegamos, salientamos aquelas que assinalam que a (re)escrita constitui alternativa para o sujeito “falar de si”, subjetivar-se e aprender a lidar com a alteridade que lhe constitui. Outra conclusão diz respeito ao entendimento, segundo o qual a reescrita, quando realizada em condições adequadas de produção, possibilita a emergência da autoria.

Palavras-Chaves: Reescrita. Subjetividade. Alteridade. Autoria. Universidade.
Vidas como produto de invenção: uma análise da escrita de Fernando Sabino como biógrafo e autobiógrafo
Authors: Da Silva Vivian Bezerra , Rocha Fátima Cristina Dias
Published: October 2016

Este artigo tem por intuito contribuir para as pesquisas no âmbito das escritas de si ao analisar a obra do escritor Fernando Sabino, autor que utilizou constantemente a vida como produto de invenção literária. Para tal objetivo, será investigado o teor autobiográfico que permeia a obra do escritor mineiro a partir de dois dos seus livros: o esboço de autobiografia O tabuleiro de damas (1988) e o livro de perfis Gente (1975). Na autobiografia, observaremos que Fernando Sabino privilegia o relato de suas experiências literárias em detrimento das pessoais, contribuindo assim para a construção de uma imagem autoral. Em diversas passagens da narrativa é possível verificar, também, o desvio do foco para a descrição de outras personalidades ao passo que no livro Gente, em que a proposta é evidenciar o outro, há, muitas vezes, a representação daquele que escreve. Assim, este trabalho não se limita à escrita autobiográfica de Fernando Sabino, mas também analisa outra faceta do autor: a biográfica.
Alteridade e subjetividade social por intermédio da escrita espontânea no ciclo de alfabetização: relato de experiência no ensino fundamental
Authors: Reginaldo Thiago , Schlickmann Maria Sirlene Pereira , Sartori Ademilde Silveira
Published: October 2016

Trata-se de um relato de experiência do Estágio Supervisionado no Ciclo de Alfabetização do Curso de Pedagogia (UNISUL) que ocorreu no Centro de Atenção Integral a Criança Prof. Febrônio Tancredo Oliveira (CAIC), no município de Palhoça/SC. O objetivo do artigo é apresentar metodologicamente a escrita espontânea em uma turma de alfabetização como prática de trabalho da subjetividade social e da alteridade. O grupo foi formado por 23 alunos que participaram das aulas entre agosto e outubro de 2015. Utilizaram-se as seguintes técnicas de coleta de dados: diário de estágio, observação participante, fotografias, vídeos e materiais produzidos durante o processo de observação e intervenção. Foi possível perceber que a escrita espontânea numa concepção de pedagogia relacional com abordagem histórico-cultural no processo de alfabetização é uma prática que se constitui também pela subjetividade social (REY, 1993, 1997) e alteridade como paradigma educativo (ROSA, 2012).
Testemunho: um acontecimento na estrutura
Authors: Mariani Bethania Sampaio Corrêa
Published: October 2016

Este artigo trata da questão do testemunho do ponto de vista da Análise do Discurso e da Psicanálise. A noção de real é mobilizada, circunscrevendo um impossível de ser simbolizado tanto na história como na linguagem. Discute-se É isto um homem, de P. Levi, e o documentário Morte inventada, dirigido por Alan Minas.
Entre telas e escritos. Um pouco de Carme.
Authors: Lagazzi Suzy
Published: October 2016

Este artigo apresenta um trajeto de leitura por um recorte da obra de Carme Schons. Entrelaçando seu projeto de pós-doutorado com as telas Caminho, Lágrimas no rio e Tango, mobilizo os conceitos de contradição e resistência para contribuir na empreita de falar um pouco mais de alteridade e subjetividade.
Incomum caso de eritema multiforme
Authors: Rui Graciele , Marcon Mauricio , De Carli João Paulo , Linden Maria Salete Sandini , Silva Soluete Oliveira da
Published: October 2016

Introdução: o eritema multiforme (EM) constitui uma
enfermidade que pode envolver pele e mucosas, sendo
de grande importância clínica pela frequência e variedade
de entidades que pode representar. Apresenta difícil
diagnóstico, podendo estar relacionada a um estado
de hipersensibilidade do paciente. Objetivo: este trabalho
objetiva relatar um caso incomum de EM relacionado
ao uso de antidepressivo. Relato de caso: paciente
feminino, 38 anos de idade, relatando aparecimento de
úlceras precedidas por bolhas na cavidade bucal há,
aproximadamente, um mês após iniciar um tratamento
antidepressivo utilizando cloridrato de bupropiona.
Avaliou-se a história e os aspectos clínicos das lesões
cutâneas e bucais, bem como os achados histopatológicos
e de imunofluorescência, excluindo-se, assim, os
diagnósticos diferenciais e chegando-se ao diagnóstico
de EM. O tratamento da paciente se deu por meio
do uso de corticosteroides orais tópicos e sistêmicos, e
pela supressão da droga antidepressiva. Considerações
finais: por se tratar de uma enfermidade que pode acometer
a cavidade bucal, resultando em lesões ulceradas
extensas e muito desconfortáveis ao paciente, seus aspectos
clínicos, de diagnóstico, tratamento e prognóstico
devem ser conhecidos pelo cirurgião-dentista.
Avaliação da utilização de dentifrício fluoretado em crianças
Authors: Jagher Aline Cardoso de , Ripplinger Tamara , Pinto Gabriela Dos Santos , Schardosim Lisandrea Rocha
Published: October 2016

Introdução: o uso de dentifrício fluoretado é uma das
principais formas de prevenção e controle da doença
cárie em crianças. Objetivo: avaliar a utilização de
dentifrícios fluoretados por crianças que procuraram
atendimento odontológico em uma instituição de ensino
superior. Sujeitos e método: este estudo transversal
envolveu pais/responsáveis e crianças que procuraram
atendimento nas Unidades de Clínica Infantil da Faculdade
de Odontologia da Universidade Federal de Pelotas,
no período de 14 a 29 de janeiro de 2014. Foi realizada
uma entrevista com o responsável para a coleta de
dados demográficos e socioeconômicos, hábitos de higiene
e visitas odontológicas prévias. Foi mostrado um
folheto ilustrativo sobre as quantidades de dentifrício e
solicitou-se ao responsável que colocasse o dentifrício
na escova. As escovas foram pesadas em balança de
precisão. Os dados foram analisados no programa Stata
10.0. Resultados: participaram do estudo 87 crianças,
com idades entre 3 e 12 anos, das quais 50 (56,8%)
frequentavam regularmente a instituição. O dentifrício
fluoretado na concentração adequada era usado por 82
crianças (96,5%) e foi introduzido antes de 1 ano de
idade em 27 delas (31,8%). Sessenta e oito por cento
das crianças era responsável pela própria escovação e
73,6% pela colocação de dentifrício na escova. Conclusões:
os responsáveis desconheciam a idade correta
para introdução do dentifrício e os riscos de fluorose.
Os achados sugerem que mais esforços devem ser empregados
na orientação do correto uso de dentifrícios
fluoretados por crianças, principalmente em ambiente
acadêmico.
Análise do consumo de sacarose na dieta dos pacientes em tratamento na Clínica da Faculdade de Odontologia da Ufrgs
Authors: Dal Gallo Faria Juliana Figueiredo , Figueiredo Márcia Cançado , Simões Bianca De Simoni , Mundstock Karina Santos
Published: October 2016

Objetivo: verificar a frequência e a ocasião da ingestão
de sacarose na dieta de pacientes atendidos na disciplina
de Ortodontia Clínica da Faculdade de Odontologia
da Universidade Federal do Rio Grande do Sul. Sujeitos
e método: o presente estudo analisou, por intermédio
do índice de potencial cariogênico e da solicitação de
diário alimentar de três dias, a ingestão de sacarose na
dieta de pacientes. Além disso, o índice do potencial
cariogênico foi associado ao sexo e à idade dos pacientes.
Resultados: do total de 82 questionários enviados,
houve retorno de 44 (53,7%). A média total do potencial
cariogênico foi de 69 pontos (± 24,5), o que corresponde
a um escore moderado. Entretanto, 18 pacientes
(40,9%) tiveram escore alto do potencial cariogênico,
22 pacientes (50%) escore médio e, somente, 4 pacientes
(9,1%) apresentaram escore baixo. O índice do
potencial cariogênico não apresentou associação significativa
nem com o sexo (p=0,727) nem com a faixa
etária (p=0,742) dos pacientes. Houve associação estatística
significativa da média do consumo de sacarose
entre as refeições com o escore do potencial cariogênico
(rs = 0,616; p
El veinticinco aniversario de la Bluefields Indian & Caribbean University (BICU)
Authors: Castro Jo Gustavo
Published: October 2016

Wani Vo.71 2016 pp.7-12
¿YATAMA Vive Aún?: Conversando con Brooklin Rivera1, Hazel Law y Blass Coleman
Authors: De Herlihy Laura Hobson
Published: October 2016

A partir de los resultados de las elecciones regionales autónomas del 2014, la correlación de fuerzas entre el FSLN y YATAMA cambió drásticamente en la RACN y la RACS. Estas entrevistas realizada a Brooklyn Rivera, Hazel Law y Blas Coleman describen los sucesos, las pugnas y los diversos enfoques que tienen destacados líderes tradicionales del pueblo miskito y que responden a las diversas estrategias y tomas de posiciones que existen actualmente entre la comunidad miskita.Wani Vol.71 2016 pp. 69-73Yatama kau raya sa? Brooklin Rivera, Hazel Law bara Blass Coleman wal aisanka dauki 2014 manka ra Klauna kabamintka iliksanka ra dia takan ba wina FSLN bara YATAMA wal ai karnika marikanka ba kasak pali sins takan kata RACN ra bara RACS ra. Naha makabi walanka nani Brooklin Rivera ra, Hazel Law bara Blass Coleman ra daukan ba marikisa dia takan ba bara blahwanka nani bara aisi miskitu ta upla nani lukanka bri ba naha ba natka yus munanka nani bui ansika yaban sa baku sim miskitu tawanka bapanka nani ra.¿Yatama kidi sangka yah?: Brooklin Rivera, Hazel Law dawi Blass Coleman balna karak yulbauwi talna 2014 kurihni yak kulnin aslah yalahwa sauni daklana yak tunan muihni anawi yakna yamna kaupak, FSLN dawi YATAMA karak banimak sitna kidi RACN dawak RACS yak satuk palni kalahna. Adika yulwi dakana kidi Brooklyn Rivera, Hazel Law y Blas Coleman balna yak yulwi dakana yak ais kalahwi kaina kidi, kaput bik adika Miskitu sulani kapat kalbauna satni yamwi kaina kidi yulni yuyulwi dawak sulani kapat amput tanit yak lapakwi kiunin kulnin lâni dudûwa kidi yuyulwi.
Imprints on Native Lands: The Miskito-Moravian Settlement Landscape in Honduras. Benjamin F. Tillman. Tucson
Authors: Jamieson Mark
Published: October 2016

Imprints on Native Lands: The Miskito-Moravian Settlement Landscape in Honduras. Benjamin F. Tillman. Tucson.The University of Arizona Press. 2011. 186 pp.[Benjamin F Tillman (2004). La influencia morava en el paisaje de la Mosquitia hondureña. Editorial Guaymuras, Tegucigalpa. 319pp]Wani Vol.71 2016 pp. 74
Early misdiagnosis of acute aortic dissection: A case report and analysis of the causes
Authors: Chen Xiao-yan , Kong Fan-liang , Wu Tong-guo
Published: October 2016

Type A aortic dissection is a catastrophic clinical entity involving the ascending aorta. In this case report, a patient was admitted to the emergency room with a presentation resembling acute myocardial infarction (AMI) that led to the inappropriate administration of anticoagulant agents or platelet. This is a case report of a 69-year-old male patient with early misdiagnosis and analysis of type A aortic dissection with discussion on the causes of misdiagnosis in light of the literature.
Corrective Feedback in SLA: Theoretical Relevance and Empirical Research
Authors: Chen Jin , Lin Jianghao , Jiang Lin
Published: October 2016

Corrective feedback (CF) refers to the responses or treatments from teachers to a learner’s nontargetlike second language (L2) production. CF has been a crucial and controversial topic in the discipline of second language acquisition (SLA). Some SLA theorists believe that CF is harmful to L2 acquisition and should be ruled out completely while others regard CF as an essential catalyst for L2 development. The last two decades have witnessed a dramatic increase in empirical research on the effectiveness of CF. This article, with an aim to provide an informed knowledge of the potential role of CF, briefly traces the history of research on CF and proposes some recommendations for further studies. It starts by surveying a range of theoretical stances on the role of error and error correction (also known as CF) in SLA. It then moves into detailed discussion of three issues on CF heatedly debated either within a cognitive or a sociocultural framework. By examining the empirical findings, some possible topics for further studies are uncovered.
Community Opinions about African Wild Dog Conservation and Relocations near the Serengeti National Park, Tanzania
Authors: Masenga Emmanuel H , Lyamuya Richard D , Eblate Mjingo E , Fyumagwa Robert D , Roskaft Eivin
Published: October 2016

Conservation of the African wild dog (Lycaon pictus) in human-dominated landscapes faces many challenges. Understanding human opinions of wild dog conservation is important to inform management decisions. Questionnaire surveys, including both open and closed-ended questions, were administered by researchers through face-to-face interviews of 297 respondents in the eastern part of the Serengeti ecosystem between January and February 2012. Our results indicated that most local people believed that wild dogs were extinct in the Serengeti ecosystem. According to the local people, wild dogs should have a high conservation priority. Moreover, tribe and gender are important demographic variables that explain the negative or positive perceptions ofattempts to relocate wild dogs from the Loliondo Game Controlled Area to the Serengeti National Park (SNP). We conclude that future conservation interventions should focus on the interface between community knowledge and modern conservation science.
Climate Change as an Emerging Component of Project Risk in the Agriculture Sector: An Empirical Assessment
Authors: Adu-Gyamfi Kwame , Opoku Emmanuel
Published: October 2016

Conditions of climate change are increasingly affecting projects, especially Agriculture projects, across the world. In this situation, climate change could pose a major risk factor in sectors such as the Agriculture sector. This paper empirically examines climate change indicators as a correlated factor of traditional risk factors. A self-reported questionnaire was used to collect data from 265 farmers affiliated to manufacturing organizations in Accra. Factor Analysis (Principal Components) and Pearson’s correlation test were used to present findings. We found that all indicators of the traditional and climate change factor produced a communality value of not less than 0.50. Moreover the climatic factor significantly correlates with the traditional factors at 5% significance level. It is therefore concluded that climate change is an emerging component of project risks.
Reviewer Acknowledgements for Journal of Educational and Developmental Psychology, Vol. 6, No. 2
Authors: Sun Barbara
Published: October 2016

Reviewer Acknowledgements for Journal of Educational and Developmental Psychology, Vol. 6, No. 2, 2016
Baseline Farmer Survey of Smallholder Cocoa Farming Systems in Ghana
Authors: Aneani F. , Padi F.
Published: October 2016

The effects of the prevalent low-input systems of production, over-aged farms, and unstable climate are worsened by weaknesses inherent in the formal system of production and distribution of recommended cocoa varieties. Generally, the purpose of the baseline survey was to obtain perception of the farmers in the target communities on the possibility of re-introduction of cocoa in denuded and marginal areas which were previously cropped to cocoa, but now food crops; determine farmers’ interest in planting new cocoa varieties; and determine farmer behavior in the use of technologies of cocoa farm establishment and maintenance. The survey was conducted in the period starting from 10th December, 2013 to 5th July, 2014 at Asesewa (Konkoney) in the Eastern Region, Akomadan and Afrancho in the Ashanti Region, as well as Kenyasi (Atwidie), Bechem (Breme) and Acherensua (Kokontreso) in Brong-Ahafo Region. The project sites and 192 respondents were purposively sampled. A standard questionnaire was employed to interview the respondents. Data analysis indicated that 40.0% of the respondents would want their farms to be rehabilitated whereas 60.0% indicated they would not. Also, 98.4% of them reported a higher possibility of re-introduction of cocoa in the denuded and marginal areas whilst 1.6% indicated that it was impossible. Additionally, 79.6% of the respondents expressed interest in testing any new cocoa varieties on their farms as part of the project while 20.4% were disinterested. In conclusion, the survey has indicated that re-introduction of cocoa in marginal and denuded area is highly probable.
Exit, Voice and Loyalty from the Perspective of Hedge Funds Activism in Corporate Governance
Authors: Pacces Alessio M.
Published: October 2016

Exit, Voice and Loyalty from the Perspective of Hedge Funds Activism in Corporate Governance

This article discusses hedge funds activism based on Hirschman’s classic. It is argued that hedge funds do not create the loyalty concerns underlying the usual short-termism critique of their activism, because the arbiters of such activism are typically indexed funds, which cannot choose short-term exit. Nevertheless, the voice activated by hedge funds can be excessive for a particular company. Furthermore, this article claims that the short-termism debate cannot shed light on the desirability of hedge funds activism. Neither theory nor empirical evidence can tell whether hedge funds activism leads to short-termism or long-termism. The real issue with activism is a conflict of entrepreneurship, namely a conflict between the opposing views of the activists and the incumbent management regarding in how long an individual company should be profitable. Leaving the choice between these views to institutional investors is not efficient for every company at every point in time. Consequently, this article argues that regulation should enable individual companies to choose whether to curb hedge funds activism depending on what is efficient for them. The recent European experience reveals that loyalty shares enable such choice, even in the midstream, operating as dual-class shares in disguise. However, loyalty shares can often be introduced without institutional investors’ consent. This outcome could be improved by allowing dual-class recapitalisations, instead of loyalty shares, but only with a majority of minority vote. This solution would screen for the companies for which temporarily curbing activism is efficient, and induce these companies to negotiate sunset clauses with institutional investors.
El papel de la UFSM y su Programa de Posgrado en Extension Rural en el Mercosur
Authors: Hegedus Pedro De
Published: October 2016

Este artigo se propõe a rememorar, em perspectiva histórica e pessoal, o importante papel exercido pelo PPG em Extensão Rural da UFSM no intercâmbio de pesquisas, experiências, métodos, ações, projetos, publicações e pessoas relacionadas às temáticas da Extensão e  Desenvolvimento Rural no âmbito do Mercosul.
Pós-graduação em Extensão Rural da UFSM: 40 anos e além...!
Authors: Froehlich José Marcos , Souza Renato Santos de
Published: October 2016

A formação e estudos pós-graduados em Extensão Rural surgem no Brasil exatamente quando estava a ocorrer o período mais intenso da chamada modernização conservadora da agricultura brasileira. A Extensão Rural havia se tornado parte central das políticas de modernização, que tiveram grande impulso a partir de 1964, após a reforma que as articulou fortemente à política de crédito rural subsidiado e abundante da época. A concepção de modernização que baseava o discurso do desenvolvimento então vigente pressupunha a superioridade das pautas e valores colocados pela vida urbano-industrial, sendo necessário, portanto, induzir e promover a mudança social no vasto e diverso rural brasileiro.
Preliminary Studies for Dosimetric Response of a Synthetic Dye for Gamma Dosimetry
Authors: Muhammad Khawar Hayat  , Ramiza  , Taqmeem Hussain  , Abdul Hanan Saeed  , Inam ul Haq  , Nasim Akhtar
Published: October 2016

Aqueous solutions of Sandalfix Orange C2RL (SO) dye were used to check its feasibility as a new passive dosimeter. UV/VIS spectrophotometer was utilized to determine the absorption peak (λmax) of dye; which was 430 nm. SO followed Beer’s law satisfactorily. The absorbance (A) of the sample solutions was decreased with increase in absorbed dose (D). The %decoloration (%Ð) showed an exponential increase and logarithmic increase within low and high dosimetry range, respectively. The pH sensitivity of the sample solutions at different doses was also observed.
Actes de cadrage, narratologie et herméneutique — à propos de l’indétermination énonciative dans Sujet Angot de Christine Angot
Authors: Korthals Altes Liesbeth
Published: October 2016

Cet article présente une discussion théorique et méthodologique au sujet des façons dont nous faisons sens de brouillages des voix narratives et de cadrages génériques (autobiographie, biographie, fiction, autofiction) dans un texte littéraire. Le romanSujet Angotde Christine Angot sert d’exemple afin d’illustrer la diversité des interprétations suscitées par les constructions narratives qui problématisent leur énonciation – et leurs valeurs. Attentive aux actes de cadrage (« framing » - Goffman) à l’oeuvre dans la lecture, l’approche métaherméneutique défendue dans cet article observe aussi les régimes de valeurs liés aux actes de classification (Boltanski et Thévenot) afin d’illustrer les bénéfices potentiels – pour l’éducation et pour la vie civile – d’une prise en compte réflexive des divers cadres conceptuels qui informent la lecture littéraire.