Paleomagnetic resu]ts of Jurassic rocks from Siena Harana

Los estudios paleomagnéticos en las Cordilleras Béticas empiezan a ser hoy en día numerosos. Los trabajos realizados hasta el presente tienen en común el que todos ellos indican la existencia de rotaciones, algunas de ellas muy importantes en magnitud, y la mayoría en sentido horario. Los vectores paleomagnéticos determinados han sido utilizados para establecer diferentes modelos cinemáticos. La mayoría de ellos postulan que las rotaciones observadas son acomodadas por el movimiento de fallas de salto en dirección o bien, en otros y no tan numerosos casos, por cabalgamientos.A continuación presentaremos los resultados de un estudio paleomagnético realizado en dos unidades alóctonas, una del Subbético Interno y otra de la Dorsal. El objetivo planteado al iniciar esta investigación fue el detenninar las características paleomagnéticas de los materiales elegidos y en segundo lugar establecer la existencia o no de rotaciones. El área escogida es Sierra Jarana, que se encuentra situada a unos 20 km al NNE de Granada, en el límite entre las zonas Internas y Externas de las Cordilleras Béticas. En esta sierra se han muestreado dos unidades: la Unidad de Sierra Harana y la Unidad de Cañamaya. Dichas unidades pertenecen respectivamente al Dominio Sudibérico (Subbético) y al Dominio de Alborán (Complejo de la Dorsal). Ambas unidades están constituidas por materiales mesozoicos y cenozoicos, aunque sus formaciones litoestratigráficas son de distinta naturaleza.Peer reviewe

Kidney Transplantation Group of the Spanish Society of Nephrology

Document publicat també en castellàThe Board of Directors of the Spanish Society of Nephrology (S.E.N.) approved at its ordinary meeting of 18 December 2012 the creation of a Transplantation Working Group (SENTRA). In accordance with the Regulations of the S.E.N. Working Groups, in promoting the establishment of a working group, four priority aspects must be addressed..

Estimación de la velocidad de flujo del agua en cauces efímeros no aforados a partir de datos Lidar y GPS-RTK

The Manning formula is one of the most used to calculate the average velocity of water flow in ungauged channels. In order to be applied, it is necessary to measure in field the hydraulic radius (RH), the slope of the water surface (S), and to obtain the roughness coefficient (n), usually through tables created for this purpose. This involves a difficult, inefficient and subjective data collection in the field. This study evaluates the possibility to obtain these parameters in a more efficient manner, reducing the time of the process and allowing to work in larger areas. To achieve these objectives, the data used in this work were: 1) digital terrain models generated from airborne LiDAR data with a density of 2 points/ m2 , acquired when the channel was dry; 2) the height of the waterline and channel geometry measurements in the field using GPS; 3) Flow measurements. With this information, the velocity (Ve) was estimated and related to the average velocity of water flow (Vc) calculated from data measured in the field. The coefficient of determination between both velocity values was 73.52%, suggesting that the proposed methodology is useful to obtain the average velocity of flow, especially in remote areas or dry riverbeds

Propiedades psicométricas de la versión española de la escala Mindful Attention Awareness Scale (MAAS)

La Mindful Attention Awareness Scale (MAAS) es una escala sencilla y de rápida administración que evalúa, de forma global, la capacidad disposicional de un individuo de estar atento y consciente de la experiencia del momento presente en la vida cotidiana. La escala es un autoinfome unifactorial de 15 ítems con visión del constructo mindfulness centrada en la variable atención/consciencia. El instrumento puede ser utilizado en sujetos con o sin experiencia en meditación y es ampliamente utilizado en investigación. Con el objetivo de establecer las propiedades psicométricas de la MAAS, se administró a un total de 385 sujetos, 201 pertenecientes a una muestra clínica y 184 a una muestra control de estudiantes universitarios. Los análisis psicométricos de la versión española de la MAAS muestran buenas propiedades, tanto en términos de validez como de fiabilidad. El instrumento presentó una buena validez convergente con la Five Facets Mindfulness Questionnaire (FFMQ) así como discriminante respecto a la clínica depresiva. Así mismo obtuvo unos buenos índices de fiabilidad (α de Cronbach de 0,89), una buena estabilidad temporal y replica la estructura unifactorial original que agrupa el 42,8% de la varianza total. Los resultados obtenidos resultan congruentes con los estudios realizados con la versión en inglés del instrumento. La MAAS es un instrumento de simple y rápida administración que nos permite evaluar la capacidad general de mindfulness de un individuo y que puede ser utilizado tanto en la investigación clínica como en sujetos sanos

Las costas rocosas del Migjorn de Menorca: acantilados y calas

[spa]La zona meridional de Menorca (Migjorn) se caracteriza por ser una plataforma carbonatada desarrollada en un ambiente arrecifal durante el Mioceno superior. Está surcada por una serie de cursos torrenciales fuertemente encajados que en su desembocadura al mar dan lugar a una forma de bahía denominada “cala” que está delimitada por paredes de elevada pendiente. La fracturación y la diaclasación penetrativa que afecta a la alternancia de materiales calcareníticos y calcisiltiticos miocenos, junto con la distribución de éstos, es el principal factor que condiciona el trazado de los cursos fluviales, así como el desarrollo de los procesos de tipo kárstico asociados a la circulación preferencial y la formación de conductos. La interacción en la zona litoral de los procesos endokársticos, en los cuales la mezcla de aguas favorece los procesos de disolución, la actividad torrencial, así como la dinámica marina –teniendo presente la variabilidad glacio-eustàtica acontecida durante el Cuaternario– favorece el desarrollo y dinamismo del propio karst (i.e. colapso de cavidades, formación de dolinas, etc.) lo que se traduce, finalmente, en la configuración de la geoforma tan característica y compleja que es la cala.[eng]The southern region of Menorca –Migjorn– is built up by a carbonate platform developed in a reef environment during the Upper Miocene. This structural platform is dissected by a set of canyon-like creeks that when reach the coast result in narrow and cliffy bays known as “cala”. Joints and penetrative fractures that affect the Upper Miocene calcarenites and calcilutites rock outcroups exert the main control of the streams pathway and direction. Karst processes also play a critical contribution related to the preferential circulation and void formation. The interaction at the coast between marine and endokarstic processes –where mixing zone waters enhance rock solution–, between the fluvial processes and sea level (including sea level fluctuations during Quaternary times– enhance the dynamics and the development of karst (i.e. cave collapse, dolines formation, etc.) and this, finally, results in the configuration of a very representative rock coast macroform such as the “cala”

Karst, acantilados y calas en el Migjorn de Menorca

[spa]La costa sur de la isla de Menorca se caracteriza por la presencia, de forma más o menos continua, de acantilados verticales cortados en los depósitos carbonatados que constituyen una plataforma atribuida al Mioceno superior. Los acantilados se encuentran interrumpidos en la zona litoral por una marcada incisión producida por los barrancos que drenan toda la plataforma miocena del sur de la isla y que, en su desembocadura al mar, dan lugar a las denominadas calas. La forma de éstas viene controlada no tan sólo por la fracturación, que a su vez controla la red de drenaje, sino que también por la contribución de los procesos kársticos que están directamente relacionados con la zona de mezcla de aguas en los acuíferos litorales. La acción de la dinámica marina y en especial la oscilación del nivel marino durante el Cuaternario también participan en la configuración de la morfología de la calas. Las paredes verticales y un fondo plano debido al relleno sedimentario de las zonas inundadas por el nivel del mar durante el Holoceno son otras de sus características básicas.[eng]A continuous cliffy coast built up by a carbonate platform developed in a reef environment during the Upper Miocene characterizes the southern region –Migjorn– of Menorca. This structural platform is dissected by a set of canyon-like creeks that when reach the coast result in narrow and cliffy bays known as “cala”. The cala morphology, as well as the fluvial network with a preferential N-S orientation–, is controlled mainly by fractures but also by the karstic processes that are dominant in the area. These processes are related with the mixing zone water interference in coastal aquifers. The marine action is also quite important, since sea-level oscillation during Quaternary, the shape and attributes of calas were modified, and the sedimentary infilling related with the Holocene inundation, resulted in a flat floor that contrasts with the cliffy sides of the calas

Brain structures identification based on feature descriptor

Traumatic Brain Injury -TBI- -1- is defined as an acute event that causes certain damage to areas of the brain. TBI may result in a significant impairment of an individuals physical, cognitive and psychosocial functioning. The main consequence of TBI is a dramatic change in the individuals daily life involving a profound disruption of the family, a loss of future income capacity and an increase of lifetime cost. One of the main challenges of TBI Neuroimaging is to develop robust automated image analysis methods to detect signatures of TBI, such as: hyper-intensity areas, changes in image contrast and in brain shape. The final goal of this research is to develop a method to identify the altered brain structures by automatically detecting landmarks on the image where signal changes and to provide comprehensive information to the clinician about them. These landmarks identify injured structures by co-registering the patient?s image with an atlas where landmarks have been previously detected. The research work has been initiated by identifying brain structures on healthy subjects to validate the proposed method. Later, this method will be used to identify modified structures on TBI imaging studies

Have we improved pain control in cancer patients? A multicenter study of ambulatory and hospitalized cancer patients

Background: Pain in cancer patients is recognized as a major health problem, yet few studies of both inpatient and outpatient populations have been carried out. Objective: The study objective was to assess the frequency, type, and characteristics of pain in adult cancer patients, including both inpatients and outpatients. Methods: This cross-sectional study involved 1064 adult cancer patients (437 outpatients and 627 inpatients) from 44 hospitals and/or long-term-care centers in Catalonia, Spain. Cancer patients suffering from pain of any etiology for >_2 weeks and/or under analgesic treatment >_2 weeks were enrolled. Demographic and pain data were collected. The Spanish version of the Brief Pain Inventory was used to assess pain. Results: Pain frequency was 55.3%. Pain was less frequent in outpatients than inpatients (41.6% versus 64.7%; p<0.001), although median pain duration was longer in outpatients (20 versus 6 weeks; p<0.001). Pain was assessable in 333 patients, and intensity was similar in both out- and inpatients; however, outpatients reported less improvement, less pain interference with daily life, and less pain related to the cancer per se. In both groups, patients with multiple myeloma (73%), breast (65%), and lung cancer (61%) were most likely to report pain. Conclusions: Pain in cancer patients, both ambulatory and hospitalized, remains a challenge for health care professionals, health administrators, and stakeholders. Our study reveals the high level of pain and distress that cancer patients continue to suffer, a problem that is particularly notable in outpatients due to the intensity and duration of the pain

Wind-induced changes in the dynamics of fluorescent organic matter in the coastal NW Mediterranean

Original research paperMarine biogeochemistry dynamics in coastal marine areas is strongly influenced by episodic events such as rain, intense winds, river discharges and anthropogenic activities. We evaluated in this study the importance of these forcing events on modulating seasonal changes in the marine biogeochemistry of the northwestern coast of the Mediterranean Sea, based on data gathered from a fixed coastal sampling station in the area. A 4-year (2011–2014) monthly sampling at four depths (0.5 m, 20 m, 50 m and 80 m) was performed to examine the time variability of several oceanographic variables: seawater temperature, salinity, inorganic nutrient concentrations (NO3−, PO43 − and SiO2), chlorophyll a (Chl a), dissolved organic carbon (DOC) and fluorescent dissolved organic matter (FDOM). FDOM dynamics was predominantly influenced by upwelling events and mixing processes, driven by strong and characteristic wind episodes. SW wind episodes favored the upwelling of deeper and denser waters into the shallower shelf, providing a surplus of autochthonous humic-like material and inorganic nutrients, whereas northerlies favored the homogenization of the whole shelf water column by cooling and evaporation. These different wind-induced processes (deep water intrusion or mixing), reported along the four sampled years, determined a high interannual environmental variability in comparison with other Mediterranean sampling sites. Graphical abstract Image 1 Download : Download high-res image (344KB)Download : Download full-size imageECOSER (CTM2011-15937-E), DOREMI (CTM2012-342949), SUAVE (CTM2014/ 23456/1) and ANIMA (CTM2015-65720) from the Spanish Ministerio de Economía y Competitividad (MINECO) and the Grup de Recerca Consolidat 2014SGR1179 and 2014SGR1029 financed by the Agència de Gestió d'Ajuts Universitaris i de Recerca (AGAUR) from the Generalitat de Catalunya; (JAEPre_2011_00923) from the Agencia Estatal Consejo Su perior de Investigaciones Científicas (CSIC) and the project FERMIO (MINECO, CTM2014-57334-JIN) co-financed with FEDER fundsVersión del editor3,25