Monitoring of mercury and other metals mobility by sequential fractionation in soils nearby an abandoned chlor-alkali plant in Managua (Nicaragua)     

Rodolfo Fernández-Martínez  Belén Gómez-Mancebo  Emilio J. Peña  Pilar Galán  Akito Matsuyama  Fernando García  Isabel Rucandio 《Environmental Earth Sciences》2016,75(6):538

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Daily egg production of anchovy in European waters   总被引：7，自引：1，他引：7  

Somarakis  Stylianos; Palomera  Isabel; Garcia  Alberto; Quintanilla  Luis; Koutsikopoulos  Constantin; Uriarte  Andres; Motos  Lorenzo 《ICES Journal of Marine Science》2004,61(6):944-958

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Eight-hundred years of summer temperature variations in the southeast of the Iberian Peninsula reconstructed from tree rings     

Isabel Dorado Liñán  Eduardo Zorita  Jesús Fidel González-Rouco  Ingo Heinrich  Filipe Campello  Elena Muntán  Laia Andreu-Hayles  Emilia Gutiérrez 《Climate Dynamics》2015,44(1-2):75-93

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Erratum to: Distribution and thickness of sedimentary facies in the coastal dune, beach and nearshore sedimentary system at Maspalomas, Canary Islands     

Angela Fontán Bouzas  Javier Alcántara-Carrió  Isabel Montoya Montes  Andrés Barranco Ojeda  Silvia Albarracín  Jaime Rey Díaz de Rada  Jorge Rey Salgado 《Geo-Marine Letters》2013,33(2-3):231-231

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The impact of spatial resolution on area burned and fire occurrence projections in Portugal under climate change     

Anabela Carvalho  Mike D. Flannigan  Kim A. Logan  Lynn M. Gowman  Ana Isabel Miranda  Carlos Borrego 《Climatic change》2010,98(1-2):177-197

In this study, we investigated the impact of future climate change on fire activity in 12 districts across Portugal. Using historical relationships and the HIRHAM (High Resolution Hamburg Model) 12 and 25 km climate simulations, we assessed the fire weather and subsequent fire activity under a 2 × CO₂ scenario. We found that the fire activity prediction was not affected by the spatial resolution of the climate model used (12 vs. 25 km). Future area burned is predicted to increase 478% for Portugal as a whole, which equates to an increase from 1.4% to 7.8% of the available burnable area burning annually. Fire occurrence will also see a dramatic increase (279%) for all of Portugal. There is significant spatial variation within these results; the north and central districts of the country generally will see larger increases in fire activity.  相似文献   

Isoductile strengths and strength reduction factors of elasto‐plastic SDOF systems subjected to simple waveforms     

Isabel Cuesta  Mark A. Aschheim 《地震工程与结构动力学》2001,30(7):1043-1059

The inelastic response of elasto‐plastic SDOF oscillators subjected to 24 simple waveforms was studied. The waveforms contain linear, quadratic, sinusoidal, and triangular acceleration components that repeat for not more than several cycles. Similarities and differences in oscillator response characteristics are presented, organized by a characteristic period. The strengths and corresponding strength reduction factors required for constant ductility responses are discussed. Response data are compared with expectations based on the concepts of equal energy, equal displacement, and preservation of force. Limitations on the applicability of the equal energy concept are identified. Copyright © 2001 John Wiley & Sons, Ltd.  相似文献   

Dollard canal thwarted     

Aristides Hall  Isabel Valente 《Marine pollution bulletin》1974,5(11):165-171

The inner bay of Lourenço Marques receives the untreated sewage of the city, the run-off from five rivers and metal and hydrocarbon pollution from the activities of the port. Iron ore handling results in an increase in iron and copper concentrations in the water, particularly since loading by slurry was introduced. Large quantities of metal pollutants are probably accumulating in muds and are likely to contaminate shellfish which are an important food source in the area. Untreated sewage discharges are at such a level that eutrophication of the bay is threatened, besides constituting a public health risk on bathing beaches.  相似文献   

Hydrocarbon contamination in mussels from Guanabara Bay     

Azevedo LA  de Andrade Brüning IM  Moreira I 《Marine pollution bulletin》2004,49(11-12):1120-1122

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Closure of a seaway: stratigraphic record and facies (Guadix basin, Southern Spain)     

Christian Betzler  Juan Carlos Braga  José M. Martín  Isabel M. Sánchez-Almazo  Sebastian Lindhorst 《International Journal of Earth Sciences》2006,95(5):903-910

During the late Tortonian (upper Miocene), the Guadix Basin in S Spain formed one of the Betic corridors that connected the Mediterranean Sea with the Atlantic Ocean. The closure of this connection occurred in a series of steps, documented by three sedimentary units. A lower unit, consisting of basinal marls, shallow-water calcarenites and sands records the formation of a wide seaway. During deposition of the following unit this narrowed to a strait no more than 2 km in wide, triggering an intensification of currents that caused migration of submarine dunes preserved as giant cross-beds in bioclastic sands and conglomerates. Current flowed from the Mediterranean to the Atlantic. The third unit constitutes the youngest marine episode of the filling of the Guadix Basin. At this stage, the connection between the Mediterranean Sea and the Atlantic Ocean was broken, and a system of coastal coral reefs was established in the northern part of the Basin.  相似文献   

Saharan Dust Transport and High-Latitude Glacial Climatic Variability: The Alboran Sea Record   总被引：1，自引：0，他引：1  

Ana Moreno  Isabel Cacho  Miquel Canals  Maarten A. Prins  María-Fernanda Snchez-Goi  Joan O. Grimalt  Gert Jan Weltje 《Quaternary Research》2002,58(3):318

Millennial to submillennial marine oscillations that are linked with the North Atlantic's Heinrich events and Dansgaard–Oeschger cycles have been reported recently from the Alboran Sea, revealing a close ocean-atmosphere coupling in the Mediterranean region. We present a high-resolution record of lithogenic fraction variability along IMAGES Core MD 95-2043 from the Alboran Sea that we use to infer fluctuations of fluvial and eolian inputs to the core site during periods of rapid climate change, between 28,000 and 48,000 cal yr B.P. Comparison with geochemical and pollen records from the same core enables end-member compositions to be determined and to document fluctuations of fluvial and eolian inputs on millennial and faster timescales. Our data document increases in northward Saharan dust transports during periods of strengthened atmospheric circulation in high northern latitudes. From this we derive two atmospheric scenarios which are linked with the intensity of meridional atmospheric pressure gradients in the North Atlantic region.  相似文献