Miracle-dz/UniFAR-FTUs huggingface dataset:
Using Node Clustering and Genetic Programming to Estimate Missing Data for Marine Environmental Monitoring

ABSTRACT Chen, X. ; Jin, Z. ; Lin, G. , and Yang, X. , 2015. Using node clustering and genetic programming to estimate missing data for marine environmental monitoring. Missing sensor data is a challenge in wireless sensor network (WSN) for marine environmental monitoring, which may lower the performance of WSN. Therefore, estimation of the missing sensor data has received growing attention in WSN recently. In this paper we propose a novel data estimation approach based on Node Clustering and Genetic Programming (NCGP) to estimate the missing sensor data for WSN. NCGP consists of node clustering module and data estimation module. We first set up clusters according to data similarity and spatial similarity in the node clustering module, and then in the data estimation module, Genetic Programming is applied to mine the relationship among the nodes in the same cluster. Our proposed approach can efficiently retrieve the missing data by the help of the historical round reading and/or current round reading depend on the number of the nodes in the data missing cluster. The experiments have demonstrated the efficacy of NCGP in terms of five error statistics, wave plot and scatter plot compared to the existing techniques.
Semis et plantations dans la foret de chene-liege de la Maamora (Maroc)

Cet article montre de maniere tres claire qu'avec une bonne connaissance des conditions du milieu et particulierement du milieu edaphique et des techniques de reboisement adaptees, les semis de chene-liege peuvent apporter des resultats interessants qui offrent des perspectives positives pour la reforestation de la foret de la Maâmora.
ANNALES DE L’INSTITUT FOURIER

— In this article, we study the elements with disconnected cen-tralizer in the Brauer complex associated to a simple algebraic group G deﬁned over a ﬁnite ﬁeld with corresponding Frobenius map F and derive the number of F -stable semisimple classes of G with disconnected centralizer when the order of the fundamental group has prime order. We also discuss extendibility of semisimple characters of the ﬁxed point subgroup G F to their inertia group in the full automorphism group. As a consequence, we prove that “twisted” and “untwisted” simple groups of type E 6 are “good” in deﬁning characteristic, which is a contribution to the general program initialized by Isaacs, Malle and Navarro to prove the McKay Conjecture in representation theory of ﬁnite groups.
Synsedimentary collapse of portions of the lower Blomidon Formation (Late Triassic), Fundy rift basin, Nova Scotia

A chaotic mudstone unit within the lower Blomidon Formation (Late Triassic) has been traced for 35 km in the Mesozoic Fundy rift basin of Nova Scotia. This unit is characterized by highly disrupted bedding that is commonly cut by small (<0.5 m) domino-style synsedimentary normal faults, downward movement of material, geopetal structures, variable thickness, and an irregular, partially faulted contact with the overlying unit. The chaotic unit is locally overlain by a fluvial sandstone, which is overlain conformably by mudstone. Although the thickness of the sandstone is highly variable, the overlying mudstone unit exhibits only gentle regional dip. The sandstone unit exhibits numerous soft-sediment deformation features, including dewatering structures, convoluted bedding, kink bands, and convergent fault fans. The frequency and intensity of these features increase dramatically above low points at the base of the sandstone unit. These stratigraphic relations suggest buried interstratal karst, the subsurface.
Distributional ecology of Noccaea vesicaria in relation to the Anatolian Diagonal

: Anatolia is located at the intersection of three of the world’s 36 biodiversity hotspots (the Caucasus, Irano-Anatolian, and Mediterranean Basin biodiversity hotspots) and has about 10,000 plant species, over 3000 of which are endemic. Among the many reasons for the astonishing biodiversity of Anatolia, one that stands out is the Anatolian Diagonal. Although the Anatolian Diagonal has long been recognized as a biogeographical boundary between Central and Eastern Anatolia, its exact functioning is still not well understood. Thus, in this study, our aims were 1) to assess the environmental barrier function of the Anatolian Diagonal for a plant species, Noccaea vesicaria , living on and to the east of it; 2) to evaluate climate-driven range shifts (contractions or expansions), especially through the Quaternary glacial–interglacial cycles; and 3) to contribute to the long-standing debate on the causes of the floral break between the west and east of the Anatolian Diagonal. Accordingly, we used an ecological niche modeling approach with presence records and bioclimatic data. Under the present bioclimatic conditions, areas of more suitable bioclimatic conditions were observed, especially throughout and to the east of the Anatolian Diagonal, therefore largely matching the geographical distribution of N. vesicaria . However, areas of high bioclimatic suitability were also observed to the west of the Anatolian Diagonal, especially throughout the Taurus Mountains and Pontic Mountains. Thus, bioclimatic suitability by itself cannot explain the geographical distribution of N. vesicaria or the absence of it, especially to the west of the Anatolian Diagonal. Under the past bioclimatic conditions, areas of high bioclimatic suitability contracted during warmer time periods and expanded during colder time periods, suggesting that the geographical distribution of N. vesicaria contracted and expanded during warmer and colder time periods, respectively, at least around and in the Anatolian Highlands. There may be two reasons why N. vesicaria does not occur to the west of the Anatolian Diagonal: dispersal and/or biotic interactions (e.g., competition and facilitation). Biotic interactions (likely positive plant interaction or facilitation) may have played a significant role in shaping the geographical distribution of N. vesicaria , because it seems to be highly associated with the Anatolian Highlands steppe order Festuco oreophilae-Veronicetalia orientalis Hamzaoğlu whose range does not extend to Central Anatolia.
Special sensor microwave imager derived global rainfall estimates for climatological applications

Global monthly rainfall estimates have been produced from over 8 years of measurements from the Defense Meteorological Satellite Program series of special sensor microwave/imagers (SSM/Is) and are analyzed to depict seasonal, annual, and interannual variability. This SSM/I product is one of the components of the blended Global Precipitation Climatology Project rainfall climatology. The primary algorithm used is an 85 GHz scattering-based algorithm over land, and a combined 85 GHz scattering and 19/37 GHz emission over ocean, both of which have been calibrated with ground-based radar data. Errors associated with the SSM/I derived monthly rainfall are characterized through comparisons with various gauge-based, climatological, and other satellite-derived rainfall estimates. During the period of June 1990 to December 1991 the 85 GHz channels aboard the SSM/I failed, so no monthly rainfall estimates are available. An alternative algorithm, using a newly developed 37 GHz scattering approach over land, and emission only over ocean, was developed to obtain a continuous record of rainfall estimates for the entire SSM/I time series. Although the 37 GHz scattering algorithm is sensitive to rain rates in excess of 8 mm/h, the correlation between the 37 and 85 GHz monthly estimates over land can be as high as 0.9 (but varies regionally) when comparing both approaches during a period of useable 85 GHz measurements. The error in the monthly rainfall using this algorithm is typically larger in comparison with measurements from rain gauges. Over ocean the emission only algorithm produces a lesser amount of rain than the scattering-based algorithm, most likely attributed to the lack of a proper beam-filling correction. During the period of January 1992 to the present there were two SSM/I satellites in full operation, with sampling times of approximately 0600/1800 and 1000/2200 LT. Comparisons between the single and dual satellites are made and are compared with gauge data sets. In general, it is found that the dual-satellite estimates reduce the RMS errors, although the improvements are both regionally and seasonally dependent.
Macrofossil Record of a Middle Holocene Drop in Relative Sea Level at the St. Lawrence Estuary, Québec

Macrofossil analysis of a peat layer overlying shallow-water estuarine sediments allows the reconstruction of vegetation changes between 7000 and 6000 14C yr B.P. near Montmagny, Québec. About 7500–7000 14C yr B.P., the study site was brackish and intertidal. Next, a cattail marsh dominated by Typha changed into a terrestrial fire-prone environment that contained xero-mesophilous tree species (Pinus/Tsuga) and lasted a few hundred years, until about 6800 14C yr B.P. This rapid change may have resulted from land tilting associated with the northward migration of the postglacial forebulge. An abrupt change from a Pinus/Tsuga-dominated cover to shrubby vegetation was due to a fire that affected the site 6800 14C yr B.P. Fossil mosses at the site reflect local wetness likely produced by a rise in the water table starting about 6600 14C yr B.P. By 6500–6400 14C yr B.P., seawater returned and freshwater plants were replaced by semihalophilous and halophilous plants. Thinning of annual rings in fossil larch reflects this change from a terrestrial peatland to a treeless coast.
Origins and variations of nitrate in south polar precipitation

South polar firn cores spanning the last millennium have been analyzed to determine the nitrate background level of high-latitude precipitation and its temporal variations. The resulting data reveal no evidence of a positive correlation between solar activity (11-year solar cycle, low solar activity time periods, and solar proton events) and the NO{sub 3} content of south polar snow. These data therefore suggest that NO{sub x} production in the upper stratosphere, mesosphere, and thermosphere does not contribute significantly to the antarctic NO{sub 3} budget. This study of the NO{sub 3} content of high latitude precipitation suggests a major contribution by lightning (from a third to half of the total) and by NO{sub x} produced in the lower stratosphere (approximately a third from N{sub 2}O oxidation and to a lesser extent galactic cosmic rays) to the NO{sub 3} budget of this background atmosphere, the remaining portion being related to the present NO{sub x} surface sources of the southern hemisphere. For the first time these data point to a decrease of NO{sub 3} content when very large amounts of sulfuric acid are present in South Pole snow layers. The observation suggests a possible interaction (via the hydroxyl radical) between S- and N-derived speciesmore » when large quantities of SO{sub 2} are injected by volcanic eruptions. Although the deposition mechanism of HNO{sub 3} in South Pole snow layers is far from well understood, the data suggest that only a minor amount of this compound is deposited directly on surface snow layers. Finally, the role played by particles (volcanic ash, terrestrial impurities, or ice particles) to enhance the uptake of odd nitrogen from the atmosphere by heterogeneous processes is discussed. In particular, it is suggested that in late winter, under certain meteorological conditions leading to ice particle formation, a significant uptake of HNO{sub 3} from the lower stratosphere can occur. « less
UC Merced Previously Published Works

Global efforts are focused on discussing effective measures for minimizing the impact of COVID-19 on global community. It is clear that the ongoing pandemic of this virus caused an immense threat to public health and economic development. Mathematical models with real data simulations are powerful tools that can identify key factors of pandemic and improve control or mitigation strategies. Compared with integer-order and left-hand side fractional models, two-side fractional models can better capture the state of pandemic spreading. In this paper, two-side fractional models are first proposed to qualitative and quantitative analysis of the COVID-19 pandemic. A basic framework are given for the prediction and analysis of infectious diseases by these types of models. By means of asymptotic stability analysis of disease-free and endemic equilibrium points, basic reproduction number R 0 can be obtained, which is helpful for estimating the severity of an outbreak qualitatively. Sensitivity analysis of R 0 is performed to identify and rank key epidemiological parameters. Based on the real data of the United States, numerical tests reveal that the model with both left-hand side fractional derivative and right-hand side fractional integral terms has a better forecast ability for the epidemic trend in the next ten days. Our extensive computational results also quantitatively reveal that non-pharmaceutical interventions, such as isolation, stay at home, strict control of social distancing, and rapid testing can play an important role in preventing the pandemic of the disease. Thus, the two-side fractional models are proposed in this paper can successfully capture the change rule of COVID-19, which provide a strong tool for understanding and analyzing the trend of the outbreak. © 2022ISA.PublishedbyElsevierLtd. Allrightsreserved.
Influence of feedforward control-based health education intervention on compliance, visual function and self-perceived burden among patients with diabetic retinopathy

Objective To assess the influence of feedforward control-based health education intervention on the compliance, visual function and self-perceived burden (SPB) among patients with diabetic retinopathy (DR). Methods Eighty-six DR patients were divided into feedforward control and control groups (n=43). The control group was given routine nursing intervention, based on which the feedforward control group received feedforward control-based health education intervention. The health behavior indices were compared after intervention. The correlations of QOL score with SPB score and health behavior indices were analysed using Pearson's and Spearman's coefficients. Results After intervention, the total QOL score and scores of symptoms and visual function, physical function, social activity, and mentality and psychology were significantly improved compared with those before intervention, which were significantly higher in the feedforward control group (P<0.05). SPB score was significantly lower in the two groups after intervention than that before intervention, particularly in the feedforward control group (P<0.05). The QOL score of DR patients was significantly negatively correlated with SPB score but positively correlated with health behavior indices (P<0.05). Conclusion The feedforward control-based health education intervention mode is beneficial for guiding DR patients to promote visual function recovery and to reduce SPB.
Derivation of a Reference Shear-Wave Velocity Model from Empirical Site Amplification

Abstract The definition of a reference bedrock condition representative of a region of interest is of great significance in seismic-hazard assessment. It is highly beneficial when ground-motion prediction equations are referenced to a specific site condition, particularly in the case of site-specific seismic-hazard analyses. When known, the effect of any given site with respect to the reference can then be applied to the predicted ground motion. However, the choice of a reference velocity profile is not straightforward, mainly due to the high variability of the velocity structure in the shallower layers. A new method to define the regional reference rock profile is proposed. The method relates quarter-wavelength average velocity at a site to frequency-dependent amplification. A reference bedrock velocity profile can then be directly defined in relation to expected amplification characteristics over a number of sites. We compare 27 quarter-wavelength velocity profiles from seismic station locations in Switzerland with empirical amplification functions derived from spectral modeling. From this comparison, a set of frequency-dependent calibration relationships is established. Assuming that the reference profile is defined by a lack of any relative amplification, the quarter-wavelength velocity profile that corresponds to unitary spectral amplification can be extracted. The reference velocity profile can then be obtained through an inversion procedure and defines the reference for the ground-motion prediction equation (GMPE). The proposed reference velocity profile is compared with previous reference velocity profiles. A good agreement is found between the different methods. Additionally, an estimation of the transfer function for the Swiss reference rock condition is provided. This can be used to correct recorded or estimated spectral amplitudes for the local response of the reference site. Finally, it is shown that the coefficients from the aforementioned correlations can be used to estimate a generic amplification function at any site with a known quarter-wavelength velocity profile.
Stochastic reservoir characterization using prestack seismic data

Reservoir characterization must be based on information from various sources. Well observations, seismic reflection times, and seismic amplitude versus offset (AVO) attributes are integrated in this study to predict the distribution of the reservoir variables, i.e., facies and fluid filling. The prediction problem is cast in a Bayesian setting. The a priori model includes spatial coupling through Markov random field assumptions and intervariable dependencies through nonlinear relations based on rock physics theory, including Gassmann's relation. The likelihood model relating observations to reservoir variables (including lithology facies and pore fluids) is based on approximations to Zoeppritz equations. The model assumptions are summarized in a Bayesian network illustrating the dependencies between the reservoir variables. The posterior model for the reservoir variables conditioned on the available observations is defined by the a priori and likelihood models. This posterior model is not analytically tra.
Time management in the routine of university students: results of an intervention

Those who make use of time management skills find them to be a useful tool for the purpose of overcoming procrastination tendencies and fostering better task management. These two matters — procrastination and task management — are two issues of considerable relevance in the lives of many university students. Poor time management skills can result in an unbalanced relationship with one’s academic responsibilities, resulting in an increase in stress levels. Uneven distribution of tasks throughout the week, procrastination, task overload and the absence of strategies for eliminating distractions are some of the possible means through which a student can undermine their own well-being as it relates to academic life. These bad practices may be remedied by adopting time management strategies. With the purpose of fostering such strategies, two online workshops were developed. A total of 17 students participated in the intervention, of whom, 12 showed improvements in their time management skills, with two displaying particularly remarkable positive changes. From these results, it was concluded that these interventions can be of great value, and that, despite the interventions being brief, it is possible to obtain results that lead to the improvement of participants’ time management skills.
The transition region of elastohydrodynamic lubrication

A semi-analytic approach is presented for the elastohydrodynamic lubrication problem of two cylinders in line contact. The model takes account of the effects of elastic deformation and piezo-viscosity in the transition region (the area of parameter space where the pressure spike emerges and develops). Following Poritsky, pressure and displacement are expressed as Chebyshev series and Fejér’s method is used to deal with the sharp crease in the film shape that is a feature of piezoviscous contacts. It is shown that the film thickness depends solely upon two non-dimensional parameters and can be accurately represented by an equation of the form: H = a0g3a1g1 + a2g3a3, where the ai = 0, 1, 2, 3) are constant coefficients. Important features of this Chebyshev series method include accurate representations for the emerging pressure spike and the associated sharp crease in the film shape together with film thickness predictions which smoothly link those areas of parameter space on either side of the transition region.
Soil loss, water ponding and sediment deposition variations as a consequence of rainfall intensity and land use: a multi‐criteria analysis

Prediction of areas prone to land degradation in agricultural catchments is a complex task. This is due to the difficulties encountered in data gathering over wide regions and in the translation of existing scientific knowledge to a quantitative and spatially explicit risk assessment system. This paper incorporates the use of remotely sensed data, terrain analysis and a multi‐criteria mechanism for evaluating risks of soil loss, water ponding, and sediment deposition in a mid‐size agricultural Mediterranean catchment, under 80 years of intensive cultivation. The research uses simulations to study the effect of topographic attributes, soil characteristics, vegetation cover, rainfall intensity and human activities on the three above‐mentioned processes. The results show that, from the methodological point of view, the integration of knowledge from several experts yields better predictive results than relying on a single expert, even the one found to be most consistent. Also, the use of a simple weighted linear combination was more useful than the more sophisticated computerized programming technique. From the phenomenological point of view, the increase in rainfall intensity and land‐use transformation from orchard to field‐crops has led to a significant increase in soil loss and sediment yield, while extreme changes in tillage direction have only yielded minor changes in water ponding. The developed system's predictive capabilities also show that the outcomes can be used as a basis for decisions on catchment management in regions of high environmental sensitivity. Copyright © 2009 John Wiley & Sons, Ltd.
Ground ice conditions near Rea Point and on Sabine Peninsula, eastern Melville Island

Using data obtained in the winter of 1981–1982 from trench excavations in the vicinity of Rea Point, volumetric ice contents with depth have been calculated for Paleozoic age (Weatherall, Griper Bay, and Hecla Bay formations) and Quaternary age (alluvium and deltaic sands) sediments. In addition, borehole data from Sabine Peninsula and observations from the Panarctic Sherard Bay exploratory wellsite sump in the late winter of 1982–1983 enable similar values to be calculated for Mesozoic age (Christopher Formation) sediments. Although these data are believed typical of large areas of eastern Melville Island, they are only first estimates, since considerable site-specific variability may be present. Shale of the Christopher Formation possesses the highest ice content, typically between 30 and 70% by volume throughout the profile. Weatherall and Griper Bay siltstones and sandstones also contain locally significant ice contents (50–70%) at depths of 0.5–1.5 m. Pore and segregated ice are the dominant ice type.