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| 1 | Evaluation of deep learning algorithms for national scale landslide susceptibility mapping of Iran显示文摘The identification of landslide-prone areas is an essential step in landslide hazard assessment and mitigation of landslide-related losses.In this study,we applied two novel deep learning algorithms,the recurrent neural network(RNN)and convolutional neural network(CNN),for national-scale landslide susceptibility mapping of Iran.We prepared a dataset comprising 4069 historical landslide locations and 11 conditioning factors(altitude,slope degree,profile curvature,distance to river,aspect,plan curvature,distance to road,distance to fault,rainfall,geology and land-sue)to construct a geospatial database and divided the data into the training and the testing dataset.We then developed RNN and CNN algorithms to generate landslide susceptibility maps of Iran using the training dataset.We calculated the receiver operating characteristic(ROC)curve and used the area under the curve(AUC)for the quantitative evaluation of the landslide susceptibility maps using the testing dataset.Better performance in both the training and testing phases was provided by the RNN algorithm(AUC=0.88)than by the CNN algorithm(AUC=0.85).Finally,we calculated areas of susceptibility for each province and found that 6%and 14%of the land area of Iran is very highly and highly susceptible to future landslide events,respectively,with the highest susceptibility in Chaharmahal and Bakhtiari Province(33.8%).About 31%of cities of Iran are located in areas with high and very high landslide susceptibility.The results of the present study will be useful for the development of landslide hazard mitigation strategies. | Phuong Thao Thi Ngo Mahdi Panahi Khabat Khosravi Omid Ghorbanzadeh Narges Kariminejad Artemi Cerda Saro Lee | 2021 | Geoscience Frontiers2021，12，2： | 13 |
| 2 | Soil Physical Quality of Citrus Orchards Under Tillage, Herbicide, and Organic Managements显示文摘Soil capacity to support life and to produce economic goods and services is strongly linked to the maintenance of good soil physical quality(SPQ). In this study, the SPQ of citrus orchards was assessed under three different soil managements, namely no-tillage using herbicides, tillage under chemical farming, and no-tillage under organic farming. Commonly used indicators, such as soil bulk density,organic carbon content, and structural stability index, were considered in conjunction with capacitive indicators estimated by the Beerkan estimation of soil transfer parameter(BEST) method. The measurements taken at the L'Alcoleja Experimental Station in Spain yielded optimal values for soil bulk density and organic carbon content in 100% and 70% of cases for organic farming. The values of structural stability index indicated that the soil was stable in 90% of cases. Differences between the soil management practices were particularly clear in terms of plant-available water capacity and saturated hydraulic conductivity. Under organic farming, the soil had the greatest ability to store and provide water to plant roots, and to quickly drain excess water and facilitate root proliferation.Management practices adopted under organic farming(such as vegetation cover between the trees, chipping after pruning, and spreading the chips on the soil surface) improved the SPQ. Conversely, the conventional management strategies unequivocally led to soil degradation owing to the loss of organic matter, soil compaction, and reduced structural stability. The results in this study show that organic farming has a clear positive impact on the SPQ, suggesting that tillage and herbicide treatments should be avoided. | Simone DI PRIMA Jesus RODRIGO-COMINO Agata NOVARA Massimo IOVINO Mario PIRASTRU Saskia KEESSTRA Artemi CERDA | 2018 | Pedosphere2018，28，3： | 4 |
| 3 | A review of ecological risk assessment and associated health risks with heavy metals in sediment from India显示文摘Heavy metal(HM)pollution in sediment is a serious concern particularly in developing nations,warranting an extensive survey to understand the current situation and propose possible remedial measures.This paper compiles the data of HMs cadmium(Cd),iron(Fe),cobalt(Co),manganese(Mn),arsenic(As),lead(Pb),chromium(Cr),copper(Cu),zinc(Zn)and nickel(Ni)in aquatic sediment from India from 1979 to 2017.It was found that mean values of Cu,Co,Zn,Pb,As,and Cr in Indian sediment were high in comparison to the Australian Interim Sediment Quality Guidelines,World Surface Rock Average,and the Threshold Effect Level for freshwater ecosystems.Anthropogenic activities,lithogenic factors,and sand intrusion are the main factors associated with HM pollution as observed using cluster analysis and principal component analysis.The results of contamination indices indicate that HM contamination ranged from average to high,in the sediment.The ecological risk assessment results showed that 11%HMs present very high risk.The cancer risk,due to the high contents of Cd,As,and Cr the ingestion pathway,showed high risk of cancer through food/water contaminated with sediment.At source reduction of HMs in industrial effluents by effluent treatment plants,and plantation of phytoremediating rooted macrophytes in sediment may help in HM mitigation of the sediment. | Vinod Kumar Anket Sharma Shevita Pandita Renu Bhardwaj Ashwani Kumar Thukral Artemi Cerda | 2020 | International Journal of Sediment Research2020，35，5： | 4 |
| 4 | Numerical determination for optimal location of sub-track asphalt layer in high-speed rails显示文摘Well-graded asphalt mix with the merits of high sound absorption, low water permeability, excellent strength, and easy construction is an important option for high-speed railway substructures. On the basis of finite element method, a model with conventional ballasted trackbed (T0) and four ballasted trackbeds models with different positions of asphalt layer were analyzed, in which 15 cm thick asphalt layer was used to replace the different sub-track layers, the bottom and the top of upper subgrade and of ballasted trackbed, named as T1 , T2 , T3 , and T4 , respectively. The results showed that the range of peak vertical accelerations on the top of subgrade surface of T2 and T4 were smaller than T1 and T3 ; T1 and T2 perform better in decreasing the maximum vertical deformation of subgrade than T3 and T4 ; the maximum transversal tensile strain of T4 is almost twice than the other three. The trackbed bears more stress when the asphalt layer is located at the lower part of railway trackbed. | Mingjing Fang Sergio Fernández Cerdas Yanjun Qiu | 2013 | Journal of Modern Transportation2013，21，2： | 4 |
| 5 | Comparison of machine learning models for gully erosion susceptibility mapping显示文摘Gully erosion is a disruptive phenomenon which extensively affects the Iranian territory,especially in the Northern provinces.A number of studies have been recently undertaken to study this process and to predict it over space and ultimately,in a broader national effort,to limit its negative effects on local communities.We focused on the Bastam watershed where 9.3%of its surface is currently affected by gullying.Machine learning algorithms are currently under the magnifying glass across the geomorphological community for their high predictive ability.However,unlike the bivariate statistical models,their structure does not provide intuitive and quantifiable measures of environmental preconditioning factors.To cope with such weakness,we interpret preconditioning causes on the basis of a bivariate approach namely,Index of Entropy.And,we performed the susceptibility mapping procedure by testing three extensions of a decision tree model namely,Alternating Decision Tree(ADTree),Naive-Bayes tree(NBTree),and Logistic Model Tree(LMT).We dichotomized the gully information over space into gully presence/absence conditions,which we further explored in their calibration and validation stages.Being the presence/absence information and associated factors identical,the resulting differences are only due to the algorithmic structures of the three models we chose.Such differences are not significant in terms of performances;in fact,the three models produce outstanding predictive AUC measures(ADTree=0.922;NBTree=0.939;LMT=0.944).However,the associated mapping results depict very different patterns where only the LMT is associated with reasonable susceptibility patterns.This is a strong indication of what model combines best performance and mapping for any natural hazard-oriented application. | Alireza Arabameri Wei Chen Marco Loche Xia Zhao Yang Li Luigi Lombardo Artemi Cerda Biswajeet Pradhan Dieu Tien Bui | 2020 | Geoscience Frontiers2020，11，5： | 3 |
| 6 | Theoretical analysis on ground vibration attenuation using sub-track asphalt layer in high-speed rails显示文摘Using a finite element method(FEM) program,a Portland cement concrete slab trackbed(So),and a subtrack asphalt roadbed(RAC-S) were modeled under highspeed train loads to analyze their responses to ground vibration attenuation,by considering 10,15,20,25,and 30 thick sub-track asphalt layer replaced on the top of the upper subgrade.FEM results show that the vibration amplitude of RAC-S is at least three times lower than the vibration for S_0.The maximum vibration amplitude of RAC-S is linearly increased with train speed.The vertical acceleration is found to be reduced by more than 10%when the asphalt layer thickness is increased from 10 to20 cm.However,the reduction in vertical acceleration is only about 1%when the thickness of the asphalt layer changes from 20 to 30 cm.The vibration level is slightly lower if the asphalt layer has higher resilient modulus in the seasons of autumn or winter.This theoretical analysis indicates that a railway substructure that consists of a10-20 cm thick high modulus asphalt layer located at the top of trackbed shows a good performance in ground vibration control for high-speed rails. | Mingjing Fang Sergio Fernández Cerdas | 2015 | Journal of Modern Transportation2015，23，3： | 2 |
| 7 | Hepatotoxicity associated with glucosamine and chondroitin sulfate in patients with chronic liver disease显示文摘Glucosamine and chondroitin sulfate are molecules involved in the formation of articular cartilage and are frequently used for symptom relief in patients with arthrosis.These molecules are well tolerated with scarce secondary effects.Very few cases of possible hepatotoxicity due to these substances have been described.The aim of this paper is to report the frequency of presumed glucosamine hepatotoxicity in patients with liver disease.A questionnaire was given to 151 consecutive patients with chronic liver disease of different etiology(mean age 59 years,56.9%women)attended in an outpatient clinic with the aim of evaluating the frequency of consumption of these drugs and determine whether their use coincided with a worsening in liver function test results.Twenty-three patients(15.2%)recognized having taken products containing glucosamine or chondroitin sulfate previously or at the time of the questionnaire.Review of the clinical records and liver function tests identified 2 patients presenting an elevation in aminotransferase values temporarily associated with glucosamine treatment;one of the cases simultaneously presented a skin rash attributed to the drug.Review of these two patients and the cases described in the literature suggest toxicity of glucosamine and chondroitin sulfate.The clinical spectrum is variable,and the mechanism of toxicity is not clear but may involve reactions of hypersensitivity.The consumption of products containing glucosamine and/or chondroitin sulfate is frequent among patients with chronic liver diseases and should be taken into account on the appearance of alterations in liver function tests not explained by the underlying disease. | Cristian Cerda Miguel Bruguera Albert Parés | 2013 | World Journal of Gastroenterology2013，19，32： | 2 |
| 8 | 反向台面晶体显著提高高频VCXO的性能显示文摘基波频率达200MHz和200MHz以上。 | Ramon Cerda | 1999 | 今日电子1999，，10： | 2 |
| 9 | Contrasted Impact of Land Abandonment on Soil Erosion in Mediterranean Agriculture Fields显示文摘Abandonment of agricultural land results in on-and off-site consequences for the ecosystem. In this study, 105 rainfall simulations were carried out in agriculture lands of the Mediterranean belt in Spain(vineyards in Málaga, almond orchards in Murcia, and orange and olive orchards in Valencia) and in paired abandoned lands to assess the impact of land abandonment on soil and water losses. After abandonment, soil detachment decreased drastically in the olive and orange orchards, while vineyards did not show any difference and almond orchards registered higher erosion rates after the abandonment. Terraced orchards of oranges and olives recovered a dense vegetation cover after the abandonment, while the sloping terrain of almond orchards and vineyards enhanced the development of crusts and rills and a negligible vegetation cover resulted in high erosion rates. The contrasted responses to land abandonment in Mediterranean agricultural lands suggest that land abandonment should be programmed and managed with soil erosion control strategies for some years to avoid land degradation. | Jesus RODRIGO-COMINO Carlos MARTINEZ-HERNANDEZ Thomas ISERLOH Artemi CERDA | 2018 | Pedosphere2018，28，4： | 2 |
| 10 | Modelling of piping collapses and gully headcut landforms: Evaluating topographic variables from different types of DEM显示文摘The geomorphic studies are extremely dependent on the quality and spatial resolution of digital elevation model(DEM)data.The unique terrain characteristics of a particular landscape are derived from DEM,which are responsible for initiation and development of ephemeral gullies.As the topographic features of an area significantly influences on the erosive power of the water flow,it is an important task the extraction of terrain features from DEM to properly research gully erosion.Alongside,topography is highly correlated with other geo-environmental factors i.e.geology,climate,soil types,vegetation density and floristic composition,runoff generation,which ultimately influences on gully occurrences.Therefore,terrain morphometric attributes derived from DEM data are used in spatial prediction of gully erosion susceptibility(GES)mapping.In this study,remote sensing-Geographic information system(GIS)techniques coupled with machine learning(ML)methods has been used for GES mapping in the parts of Semnan province,Iran.Current research focuses on the comparison of predicted GES result by using three types of DEM i.e.Advanced Land Observation satellite(ALOS),ALOS World 3D-30 m(AW3D30)and Advanced Space borne Thermal Emission and Reflection Radiometer(ASTER)in different resolutions.For further progress of our research work,here we have used thirteen suitable geo-environmental gully erosion conditioning factors(GECFs)based on the multi-collinearity analysis.ML methods of conditional inference forests(Cforest),Cubist model and Elastic net model have been chosen for modelling GES accordingly.Variable’s importance of GECFs was measured through sensitivity analysis and result show that elevation is the most important factor for occurrences of gullies in the three aforementioned ML methods(Cforest=21.4,Cubist=19.65 and Elastic net=17.08),followed by lithology and slope.Validation of the model’s result was performed through area under curve(AUC)and other statistical indices.The validation result of AUC has shown that Cforest is the most appropriate model for predicting the GES assessment in three different DEMs(AUC value of Cforest in ALOS DEM is 0.994,AW3D30 DEM is 0.989 and ASTER DEM is 0.982)used in this study,followed by elastic net and cubist model.The output result of GES maps will be used by decision-makers for sustainable development of degraded land in this study area. | Alireza Arabameri Fatemeh Rezaie Subodh Chandra Pal Artemi Cerda Asish Saha Rabin Chakrabortty Saro Lee | 2021 | Geoscience Frontiers2021，12，6： | 2 |
| 11 | Action potential and underlying ionic currents by the pyrethroid insecticide deltamethrin显示文摘 | Cerda E | 2002 | Archives of Medical Re search2002，33，5： | 1 |
| 12 | Reversed flow injection and sandwich sequential injection methods for the spectrophotometric determination of copper(Ⅱ) with cuprizone显示文摘 | Rumori P Cerda V | 2003 | Anal Chim Acta2003，486，2： | 1 |
| 13 | The influence of ants on soil and water losses from an orange orchard in eastern Spain显示文摘 | Cerda A Jurgensen M F | 2008 | Journal of Applied Entomology2008，132，4： | 1 |
| 14 | Stress and fold localization in thin e lastic membranes 显示文摘 | Pocivavsek L Dellsy R Kern A Johnson S Lin B Lee KY C Cerda E | 2008 | Science2008，320，： | 1 |
| 15 | The influence of seed size and shape on their removal by water erosion显示文摘 | Cerda A Garcia-Fayos P | 2002 | Cate- na2002，48，4： | 1 |
| 16 | Effects of Nb doping on the TiO2 natase-to-rutile phase transition显示文摘 | ARBIOL J CERDA J DEZANNEAU G | 2002 | J Appl Phys2002，92，2： | 1 |
| 17 | Soil aggregate stability under different Mediterranean vegetation types 显示文摘 | Cerda A | 1998 | Catena1998，32，： | 1 |
| 18 | World incidence of AKI: a meta-analysis显示文摘 | SUSANTITAPHONG P CRUZ D N CERDA J | 2013 | Clin J Am SocNephrol2013，8，9： | 1 |
| 19 | Boron deficiency affects rhizobia cell surface polysaccharides impor- tant for suppression of plant defense mechanisms during leg- ume recognition and for development of nitrogen-fixing symbi- osis显示文摘 | ABREU I CERDA M E NANCLARES DE M P | 2012 | Plant and Soil2012，361，： | 1 |
| 20 | In vitro antibiotic susceptibility of field isolates of Mycoplasma synoviae in Argentina显示文摘 | Cerda R O Giacoboni G I Xavier J A | 2002 | Avian Diseases2002，46，1： | 1 |
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