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BIOLOGY (1342 journals)            First | 5 6 7 8 9 10 11 12 | Last

Journal of Molecular Catalysis B: Enzymatic     Hybrid Journal  
Journal of Molecular Cell Biology     Hybrid Journal   (Followers: 8)
Journal of Molecular Evolution     Hybrid Journal   (Followers: 8)
Journal of Molecular Signaling     Open Access  
Journal of Molecular Structure     Hybrid Journal   (Followers: 3)
Journal of Molluscan Studies     Hybrid Journal   (Followers: 2)
Journal of Muscle Research and Cell Motility     Hybrid Journal   (Followers: 1)
Journal of Nanoparticle Research     Hybrid Journal   (Followers: 3)
Journal of Nanoparticles     Open Access  
Journal of Natural History     Hybrid Journal   (Followers: 4)
Journal of Natural Products     Full-text available via subscription   (Followers: 8)
Journal of Natural Science, Biology and Medicine     Open Access   (Followers: 2)
Journal of Natural Sciences Research     Open Access   (Followers: 3)
Journal of Negative Results in BioMedicine     Open Access   (Followers: 2)
Journal of Nematology     Open Access   (Followers: 2)
Journal of Neuroscience and Behavioral Health     Open Access  
Journal of New Seeds     Hybrid Journal  
Journal of Nucleic Acids     Open Access   (Followers: 2)
Journal of Parasitology     Full-text available via subscription   (Followers: 11)
Journal of Parasitology and Vector Biology     Open Access   (Followers: 1)
Journal of Pharmacological and Toxicological Methods     Hybrid Journal   (Followers: 4)
Journal of Phycology     Hybrid Journal   (Followers: 6)
Journal of Physics D : Applied Physics     Hybrid Journal   (Followers: 11)
Journal of Physics: Condensed Matter     Hybrid Journal   (Followers: 7)
Journal of Physics: Conference Series     Open Access   (Followers: 3)
Journal of Phytopathology     Hybrid Journal   (Followers: 2)
Journal of Plankton Research     Hybrid Journal   (Followers: 4)
Journal of Plant Ecology     Hybrid Journal   (Followers: 14)
Journal of Plasma Physics     Hybrid Journal   (Followers: 4)
Journal of Pollination Ecology     Open Access   (Followers: 1)
Journal of Porphyrins and Phthalocyanines     Hybrid Journal   (Followers: 2)
Journal of Proteome Research     Full-text available via subscription   (Followers: 6)
Journal of Proteomics     Hybrid Journal   (Followers: 4)
Journal of Purdue Undergraduate Research     Open Access   (Followers: 3)
Journal of Radiation Research and Applied Sciences     Open Access   (Followers: 1)
Journal of Risk Research     Hybrid Journal   (Followers: 6)
Journal of Science of the University of Kelaniya Sri Lanka     Open Access  
Journal of Seed Science     Open Access  
Journal of Signal Transduction     Open Access   (Followers: 3)
Journal of Stored Products Research     Hybrid Journal  
Journal of Structural and Functional Genomics     Hybrid Journal   (Followers: 2)
Journal of Structural Biology     Hybrid Journal   (Followers: 8)
Journal of Sustainable Bioenergy Systems     Full-text available via subscription   (Followers: 1)
Journal of Sustainable Society     Open Access   (Followers: 6)
Journal of Systematic Palaeontology     Hybrid Journal   (Followers: 7)
Journal of Systematics Evolution     Open Access   (Followers: 4)
Journal of the American Mosquito Control Association     Full-text available via subscription  
Journal of the Korean Society for Applied Biological Chemistry     Hybrid Journal   (Followers: 1)
Journal of the North American Benthological Society     Full-text available via subscription   (Followers: 2)
Journal of the Renin-Angiotensin-Aldosterone System     Open Access  
Journal of the Royal Society of New Zealand     Hybrid Journal  
Journal of the South Carolina Academy of Science     Open Access  
Journal of Theoretical Biology     Hybrid Journal   (Followers: 11)
Journal of Thermal Biology     Hybrid Journal   (Followers: 2)
Journal of Thyroid Research     Open Access   (Followers: 1)
Journal of Tissue Engineering     Open Access   (Followers: 4)
Journal of Tropical Life Science     Open Access   (Followers: 2)
Journal of Vacuum Science & Technology A     Full-text available via subscription   (Followers: 2)
Journal of Vacuum Science & Technology B     Full-text available via subscription   (Followers: 1)
Journal of Vector Ecology     Free   (Followers: 2)
Journal of Vegetation Science     Full-text available via subscription   (Followers: 5)
Journal of Vestibular Research     Hybrid Journal   (Followers: 1)
Journal of Vinyl & Additive Technology     Hybrid Journal  
Journal of Virological Methods     Hybrid Journal   (Followers: 3)
Journal of Virology     Full-text available via subscription   (Followers: 19)
Journal of Visualized Experiments     Full-text available via subscription   (Followers: 1)
Journal of Zhejiang University - Science B     Hybrid Journal  
Jurnal Penelitian Sains (JPS)     Open Access  
Kahramanmaras Sutcu Imam University Journal Of Natural Sciences     Open Access  
Kennedy Institute of Ethics Journal     Full-text available via subscription   (Followers: 3)
Kew Bulletin     Hybrid Journal   (Followers: 1)
KINOME     Open Access  
Knowledge and Management of Aquatic Ecosystems     Open Access   (Followers: 4)
Koedoe : African Protected Area Conservation and Science     Open Access   (Followers: 7)
Kurtziana     Open Access  
Landscape and Ecological Engineering     Hybrid Journal   (Followers: 3)
Large Marine Ecosystems     Full-text available via subscription   (Followers: 1)
Le Naturaliste canadien     Full-text available via subscription  
Letters in Mathematical Physics     Hybrid Journal   (Followers: 3)
Life     Open Access   (Followers: 2)
Life : The Excitement of Biology     Full-text available via subscription  
Life Sciences, Society and Policy     Open Access   (Followers: 1)
Limnological Papers     Open Access   (Followers: 1)
Lipid Insights     Open Access   (Followers: 1)
Lipid Technology     Hybrid Journal   (Followers: 2)
Lipids     Hybrid Journal   (Followers: 1)
Lipids in Health and Disease     Open Access  
Luminescence     Hybrid Journal   (Followers: 1)
mAbs     Full-text available via subscription   (Followers: 4)
Macromolecular Bioscience     Hybrid Journal   (Followers: 1)
Macromolecular Reaction Engineering     Hybrid Journal  
Madroño     Full-text available via subscription  
Malacologia     Full-text available via subscription   (Followers: 1)
Malacologica Bohemoslovaca     Open Access  
Malayan Nature Journal     Open Access  
Mammal Review     Hybrid Journal   (Followers: 5)
Mammal Study     Full-text available via subscription   (Followers: 1)
Mammalian Biology - Zeitschrift für Säugetierkunde     Hybrid Journal   (Followers: 5)
Mammalian Genome     Hybrid Journal   (Followers: 3)
Mammalian Species     Full-text available via subscription   (Followers: 2)

  First | 5 6 7 8 9 10 11 12 | Last

Journal Cover Natural Hazards
   [260 followers]  Follow    
   Hybrid Journal Hybrid journal (It can contain Open Access articles)
     ISSN (Print) 1573-0840 - ISSN (Online) 0921-030X
     Published by Springer-Verlag Homepage  [2210 journals]   [SJR: 0.591]   [H-I: 40]
  • Quantitative monitoring of gravity erosion using a novel 3D surface
           measuring technique: validation and case study
    • Abstract: Abstract Gravity erosion is one of the most remarkable natural hazards in mountainous regions, especially on the Loess Plateau of China. Nevertheless, the measurement of failure mass is very difficult because gravity erosion usually occurs randomly and it combines with hydraulic erosion. Here, we present a novel testing technique that could quantitatively measure time-variable gravity erosion on the steep loess slopes. A structured-light 3D surface measuring apparatus, the Topography Meter, was designed and manufactured in our laboratory. Dynamic variation of the steep slope relief was monitored under rainfall simulation, and the slope deforming process was recorded by a computer video technology. With the help of laser marking, plane figures were vectorially transformed into 3D graphs, thus the shape of target surface was accurately computed. By comparing the slope geometries in the moments before and after the erosion incident on the snapshot images at a particular time, we could obtain the volume of gravity erosion and many other erosion data, including the volume of slide mass and the amount of soil loss eroded by overland flow. A series of calibration tests were conducted and the results showed that the accuracy of this technique was high and sufficient for exploring the mechanism of slope erosion. More than 120 rainfall simulation events were subsequently tested with the apparatus, further confirming its feasibility and reliability.
      PubDate: 2015-01-01
  • Determination of the distribution of flood forecasting error
    • Abstract: Abstract Flood forecasting plays an essential role in enhancing the safety of residents downstream and preventing or reducing economic losses. One critical issue in flood risk assessment is the determination of the probability distribution of forecast errors. Several investigations, which have been carried out to analyze the influence of the uncertainty in real-time operation or water resources management, assumed that the relative forecast error was approximately normally distributed. This study investigates whether the flood forecast error follows the normal distribution. Several distributions were fitted to the flood error series, and their performances were analyzed using the data from Three Gorges Reservoir (TGR) and Muma River. Then, the most appropriate distribution was selected. Results show that the assumption of normal distribution is not justified for the flood forecast error series of TGR and Muma River. The use of normal distribution for estimating flood risk may lead to incorrect results.
      PubDate: 2015-01-01
  • Urban flood vulnerability zoning of Cochin City, southwest coast of India,
           using remote sensing and GIS
    • Abstract: Abstract The present study identified the various zones vulnerable to urban flood in Cochin City, one of the biggest metro cities on the southwest coast of peninsular India. The analysis and assessment of vulnerability was done through the application of multi-criteria evaluation approach in a geographical information system environment with inputs from remotely sensed images. Other input data sources include SRTM DEM, census details, city maps and field study. Flood vulnerability mapping in the study area is fundamental in flood risk management. Among the three vulnerability zones, the very high and high vulnerable zones together constituted 8.6 % of the total area of the city. The major factors contributed are the blockage of drainage channels and the proximity to coastal waters where there is influence of tides.
      PubDate: 2015-01-01
  • An empirical equation of effective shaking duration for moderate to large
    • Abstract: Abstract The duration of strong shaking is particularly important for assessing building performance, potential landslides and liquefaction hazards. The results of this investigation can potentially help reduce related fatalities and economic losses. In this study, we analyzed the acceleration seismograms of the Taiwan strong motion network to characterize the strong shaking duration associated with earthquake sources, propagation paths and site effects. This study proposes a new definition for the strong shaking duration called “effective shaking duration” (ESD), which considers the amplitude and radiation energy decays. We first consider the window of a time series during which the amplitude is ≥0.01 g, and we then defined the ESD as the length of the interval of the dissipated energy within 5–95 % of the total energy during this time frame. We calculated the strong shaking duration for 495 inter-plate events with magnitudes of M L > 5.0 and focal depths <50 km in the Taiwan region from 1994 to 2012. Using a nonlinear regression procedure, we thus obtained an empirical equation for strong shaking durations. The equation is a function of earthquake magnitude, distance and site conditions, which are defined by the V s30 value (the S-wave velocity structure of the top 30 m of the site). The results indicate that the shaking durations significantly increase with magnitude and also decrease with distance and V s30. Compared with empirical equations from global datasets, our empirical equation is applicable to earthquakes in other regions and will produce smaller but more applicable duration values for smaller earthquakes. However, for larger events, our ESD values are comparable with those derived from other definitions (e.g., significant duration). Although the empirical relationship is mainly based on Taiwanese events, in view of the massive dataset, this empirical equation could provide important information to the global community regarding the ground shaking duration estimation in the ground motion prediction of future earthquakes.
      PubDate: 2015-01-01
  • Study on the settlement caused by the Maglev train
    • Abstract: Abstract Because of the high speed, the operation safety of Maglev train is heavily affected by the differential settlement. As the first commercial service, the operation of Maglev train has been for a few years in Shanghai, which provides us a chance to investigate the settlement along the magnetic suspension line and the subsidence induced by Maglev train. In this paper, the influence of the operation of the Maglev train on the subsidence of different soil layers has been studied using the data obtained from the layerwise marks. The study results indicate that the differential settlement along the magnetic suspension line occurred, different soil layers presented different deformation features, and the operation of Maglev train has increased land subsidence.
      PubDate: 2015-01-01
  • Impacts of socioeconomic factors on monthly electricity consumption of
           China’s sectors
    • Abstract: Abstract In this paper, we report eight sets of multivariate regression equations, introducing the socioeconomic factors for the estimation models of monthly electricity consumption in the primary, secondary, tertiary industry, and the household sectors, to study the quantitative effects of socioeconomic factors (electricity real price, activity level, income, holiday, etc.). The results demonstrate that the price elasticity of electricity demand in the household and the secondary industry sectors is significant. When the electricity price increases by 1 %, the demand in the household and secondary industry sectors reduces by 0.4–0.5 % with a time lag for the latter.
      PubDate: 2015-01-01
  • Impact of data assimilation in simulation of thunderstorm (squall line)
           event over Bangladesh using WRF model, during SAARC–STORM Pilot
           Field Experiment 2011
    • Abstract: Abstract A widespread thunderstorm (squall line or multicell line) occurred over Bangladesh on 11 May 2011 during 0300 UTC to 1300 UTC. A north–south oriented well-established squall line of 400 km length was noticed to the center of Bangladesh at 0530 UTC and the vertical extend of this system was about 16–18 km. An attempt has been made to study the impact of data assimilation in simulation of the selected thunderstorm event of 11 May 2011 using Weather Research and Forecasting (WRF) model. The WRF model was run in STORM Phase-I domain at 9 km horizontal resolution using six hourly NCEP-FNL datasets from 0000 UTC of 11 May to 0000 UTC of 12 May 2011 as initial and boundary condition for control (CNTL) run. The 0300 UTC Synop, 0000 UTC Temp and 0300 UTC Khepupara DWR reflectivity and redial velocity of 11 May 2011 were assimilated in 3DVar with the first guess of WRF model for data assimilation (DA) run. Model outputs have been analyzed for CNTL and DA to compare and/or asses the model performance. It is found that the DA enhanced in the synoptic and environmental characteristics as compared to that of CNTL. The WRF model outputs with DA help to investigate the synoptic and environmental characteristics responsible for the occurring of this unusual event. The model products showed a cyclonic circulation over Gangetic West Bengal of India at 925 hPa and over Assam and adjoining areas of India at 500 hPa. Strong upward motion was noticed over Bangladesh. Significant moisture incursion was observed over center and southeast parts of Bangladesh at 925 and 850 hPa with southerly/southwesterly flow of 10–20 ms−1 (19–39 knots). Result showed that the WRF model with DA could capture thunderstorm event of 11 May 2011 in reasonably well though there are some spatial and temporal biases in the results.
      PubDate: 2015-01-01
  • The study on forecasting the surface rupture width under strong earthquake
           based on information diffusion methodology
    • Abstract: Abstract The surface rupture triggered by strong earthquakes will extensively damage the buildings on the ground. It is significant for choosing construction sites to forecast accurately and calculate reasonable building lien distance. A method is proposed aiming at forecasting the surface rupture width under strong earthquake based on information diffusion methodology in this paper. Firstly, magnitude and the thickness of overburden soil were taken as main evaluation indexes, and then fuzzy relation between two evaluation indexes and surface rupture zone width was established based on the information diffusion principle and fuzzy approximate deduction. Secondly, cross-validation was used to evaluate the model’s stability and accuracy. The performance of information diffusion was compared with multiple linear regression model, quadratic regression model, and BP neural network model. The results show that information diffusion methodology can deal with nonlinear relationship of every index. Finally, the validity and feasibility were proved by instance analysis.
      PubDate: 2015-01-01
  • Usage of the WRF/DHSVM model chain for simulation of extreme floods in
           mountainous areas: a pilot study for the Uzh River Basin in the Ukrainian
    • Abstract: Abstract The mesoscale meteorological/distributed hydrological model chain WRF/DHSVM was calibrated for simulation of extreme flood events in Uzh River basin in Ukrainian Carpathians. The flood event which happened in July 2008 was successfully reproduced by using final analysis meteorological input data of the US National Centers for Environmental Prediction (NCEP). For climate run for the period of 1960–1990, the NCEP Reanalysis-1 meteorological data were used. Frequencies of extreme precipitation events obtained by fitting of the measured and simulated precipitation time series with the generalized extreme value distribution were very close. Simulated water discharges for the very extreme floods happening from once per 50 to once per 100 years were in good agreement with the water discharges of the same frequencies obtained by statistical processing of measurements.
      PubDate: 2015-01-01
  • Study of role of basin shape in the site–city interaction effects on
           the ground motion characteristics
    • Abstract: Abstract In this paper, the role of basin shape in the site–city interaction (SCI) effects on the ground motion characteristics is documented. The effects of city type and city density on the free-field motion are also documented. The seismic responses of various 2D basin models with different shapes as well as city type and city density were simulated using a fourth-order accurate staggered-grid viscoelastic SH-wave finite-difference algorithm. The analysis of simulated responses of various site–city models, ground motion perturbations and spectral amplifications revealed that basin shape plays an important role in SCI effects on the ground motion. Further, a considerable SCI effect was obtained at the double resonance. The city density seems to be a more prominent parameter of SCI, which largely reduces the ground motion amplitude in the city as compared to the height of buildings. It was also inferred that the existence of different types of buildings may result in a decrease in coherency of building response.
      PubDate: 2015-01-01
  • Erratum to: Determination of the distribution of flood forecasting error
    • PubDate: 2015-01-01
  • Coda wave attenuation characteristics for Kumaon and Garhwal Himalaya,
    • Abstract: Abstract Uttarakhand Himalayas are among one of the most seismically active continental regions of the world. The Himalayan belt in this region is divided into Kumaon and Garhwal Himalaya. The Kumaon Himalayas has not experienced any large earthquake in the recent past; however, this region is frequently visited by small-magnitude earthquakes. The objective of this paper was to determine regional attenuation characteristics from data recorded by local strong motion networks operating in these two regions, using coda waves. Coda wave quality factor estimates for the Kumaon and the Garhwal Himalaya region have been made in high-frequency range using single backscattering model given by Aki and Chouet (J Geophys Res 80:3322–3342, 1975). Coda waves of 30-s window length, filtered at six different frequency bands, centered at 1.5, 3.0, 6.0, 12.0, 20.0 and 28.0 Hz, have been analyzed using the single backscattering method. The frequency-dependent Q c(f) relationship for the Kumaon and Garhwal Himalaya was obtained as Q c = (65 ± 2.4)f (1.07±.04) and Q c = (96 ± 6.9)f (1.06±.04), respectively, which indicate a higher attenuating medium in the Kumaon Himalaya as compared to Garhwal Himalaya. The obtained difference of attenuation characteristics in this region is further compared with the rate of decay of peak ground acceleration with respect to magnitude and distance parameters by using regression model of peak ground acceleration obtained from available strong motion data in this region. Present studies clearly indicate that there is good evidence for high rate of attenuation in the Kumaon Himalaya as compared to the Garhwal Himalaya.
      PubDate: 2015-01-01
  • Seismic performance of elevated steel silos during Van earthquake, October
           23, 2011
    • Abstract: Abstract Silos are commonly used industrial structures to store dry/granular materials like cement or wheat. A typical silo consists of a vertical steel tank supported by a braced steel frame which rests on concrete support. Due to unloading purposes, the tank is generally located at an elevated position. This makes the structure vulnerable to axial loads in columns due to excessive overturning moments generated at the base of the structure. During the October 23, 2011 Van earthquake in Turkey, many silos collapsed either due to column buckling or foundation problems. In this paper, the field observations regarding the seismic performance of silos after the Van earthquake are first summarized. Then, the seismic performances of two steel-elevated silos located in the earthquake region are studied. One of the silos survived the earthquake by some minor damages in the form of buckling (at bottom horizontal brace) and spalling of concrete support, while the other silo remained undamaged. Nonlinear dynamic time history analyses are performed to evaluate the seismic performances of both silos. As the input ground motion, the recorded ground motion from a temporary aftershock station (about 2 km away from the silos) in the second earthquake is used. Analyses indicate that design and construction quality of elevated silos determine the seismic performance. Finally, recommendations are given to improve the seismic performance of new constructions.
      PubDate: 2015-01-01
  • Lightning alarm system using stochastic modelling
    • Abstract: Abstract It is true that such a long-range forecasting of lightning is not possible, the reason being the abrupt high value of the parameters at the time of lightning strike as compared to other weather conditions. But still a system that will predict the occurrence of lightning over few minutes or few hours will be beneficial for protection of lives and equipments. In this work, atmospheric electric field data are used for devising an alarm system for lightning. With the help of Markov chain stochastic modelling of the electric field data, probabilities of a lightning strike are calculated.
      PubDate: 2015-01-01
  • Erratum to: Sudden surface collapse disasters caused by shallow partial
           mining in Datong coalfield, China
    • PubDate: 2015-01-01
  • Erratum to: The comparative effects of frictional convergence and vertical
           wind shear on the interior asymmetries of a tropical cyclone
    • PubDate: 2015-01-01
  • Comment on “Effect of surface wave inversion non-uniqueness on 1D
           seismic ground response analysis” by Roy et al.
    • Abstract: Abstract We discuss a paper dealing with the effect of surface wave solution non-uniqueness on 1D seismic site response analysis. We address some issues on the numerical simulations of seismic site response, specifically the correct definition of input motion. If a consistent framework is adopted, the solution non-uniqueness has negligible effect in amplification and acceleration response spectra for the presented dataset, confirming previous studies on the same topic.
      PubDate: 2015-01-01
  • Reply to comment on “Effect of surface wave inversion non-uniqueness
           on 1D seismic ground response analysis”
    • Abstract: Abstract Pettiti et al. (2014) commented on our study on the effect of surface wave inversion non-uniqueness on 1D seismic ground response analysis. They showed in their analyses that non-uniqueness has negligible effect on Fourier amplification and response spectra, which is in disagreement to our earlier observations (Roy et al. in Nat Hazards 68:1141–1153, 2013). The apparent discrepancies are due to the differences in the definition of problem used in the ground response analyses. Pettiti et al. (2014) extended our original profiles to a depth of 60 m and then assumed the presence of high-impedance layer of velocity 1,240 m/s, irrespective of the half-space velocity obtained from the surface wave inversion. This resulted in similar kind of responses of all the profiles in spite of the differences in their shear wave velocity and thickness variations. Otherwise, the observations made by Roy et al. (Nat Hazards 68:1141–1153, 2013) confirm findings of previous studies on the same topic (e.g., Boaga et al. in J Geophys Eng 8:162–174, 2011).
      PubDate: 2015-01-01
  • Factors that affect rescue time in urban search and rescue (USAR)
    • Abstract: Abstract Recent structural collapses were studied in order to identify gaps in technology and to propose priorities in enhancing urban search and rescue (USAR) tools. The timelines of the events were examined with the scope of extracting critical factors that affect rescue time and can be used to define priorities in tools and technologies development, so that efficient and fast location, recovery and treatment of victims can be achieved. In this context, seven factors were identified: (1) best practices and lessons learned, (2) rescue technology, (3) community involvement, (4) information systems, (5) technology integration, (6) crisis management and (7) available budget. Each of these factors is reviewed, analyzed and discussed with the scope of providing future developments in tools and technology for USAR operations.
      PubDate: 2015-01-01
  • Reply to a comment by Franco Gabrielli and Daniela Di Bucci:
           “Communicating earthquake risk to the public: the trial of the
           ‘L’Aquila Seven’”
    • Abstract: Abstract In this comment, I reply to criticisms of my article on the trial of seven defendants accused of providing the public with misleading information shortly before the L’Aquila, central Italy, earthquake of 6 April 2009.
      PubDate: 2015-01-01
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