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Selection: library 5898 articles 

 

Opinion: on being an advisor to today’s junior scientists

  
Proceedings of the National Academy of Sciences, Vol. 114, No. 21. (23 May 2017), pp. 5321-5323, https://doi.org/10.1073/pnas.1704511114

Abstract

[Excerpt] Young scientists often have the same long-term goal: use one’s smarts and drive to gain insights into a problem of interest. Typically, these scientists draw upon a long-standing and time-tested scientific process: formulate a hypothesis, design experiments to test this hypothesis, collect data, interpret the data, revisit and modify the hypothesis, and so on. [\n] Unfortunately, the reality isn’t quite so straightforward. The hours are long and the rewards short. And the challenges for fledgling scientists seem to be growing. Attractive ...

 

Divergence of species responses to climate change

  
Science Advances, Vol. 3, No. 5. (17 May 2017), e1603055, https://doi.org/10.1126/sciadv.1603055

Abstract

Climate change can have profound impacts on biodiversity and the sustainability of many ecosystems. Various studies have investigated the impacts of climate change, but large-scale, trait-specific impacts are less understood. We analyze abundance data over time for 86 tree species/groups across the eastern United States spanning the last three decades. We show that more tree species have experienced a westward shift (73%) than a poleward shift (62%) in their abundance, a trend that is stronger for saplings than adult trees. The ...

 

Archetypical patterns and trajectories of land systems in Europe

  
Regional Environmental Change (2015), pp. 1-18, https://doi.org/10.1007/s10113-015-0907-x

Abstract

Assessments of land-system change have dominantly focused on conversions among broad land-use categories, whereas intensity changes within these categories have received less attention. Considering that both modes of land change typically result in diverse patterns and trajectories of land-system change, there is a need to develop approaches to reduce this complexity. Using Europe as a case study, we applied a clustering approach based on self-organising maps and 12 land-use indicators to map (1) land-system archetypes for the year 2006, defined as ...

 

Countering European brain drain

  
Science, Vol. 356, No. 6339. (19 May 2017), pp. 695-696, https://doi.org/10.1126/science.aan3920

Abstract

[Excerpt] [...] Mobile European researchers who went to the United States were significantly more likely to report strong positive career effects than their mobile peers who moved within the European Union (EU) (up to twice as high) [...] In search of a possible “elite” brain drain from Europe, we examined return rates for a sample of Europeans pursuing Ph.D. degrees in economics in the United States (3). Those better students who received Ph.D. degrees from top U.S. institutes are more likely ...

 

A dataset of forest biomass structure for Eurasia

  
Scientific Data, Vol. 4 (16 May 2017), 170070, https://doi.org/10.1038/sdata.2017.70

Abstract

The most comprehensive dataset of in situ destructive sampling measurements of forest biomass in Eurasia have been compiled from a combination of experiments undertaken by the authors and from scientific publications. Biomass is reported as four components: live trees (stem, bark, branches, foliage, roots); understory (above- and below ground); green forest floor (above- and below ground); and coarse woody debris (snags, logs, dead branches of living trees and dead roots), consisting of 10,351 unique records of sample plots and 9,613 sample ...

 

WorldClim 2: new 1-km spatial resolution climate surfaces for global land areas

  
International Journal of Climatology (15 May 2017), https://doi.org/10.1002/joc.5086

Abstract

We created a new dataset of spatially interpolated monthly climate data for global land areas at a very high spatial resolution (approximately 1 km2). We included monthly temperature (minimum, maximum and average), precipitation, solar radiation, vapour pressure and wind speed, aggregated across a target temporal range of 1970–2000, using data from between 9000 and 60 000 weather stations. Weather station data were interpolated using thin-plate splines with covariates including elevation, distance to the coast and three satellite-derived covariates: maximum and minimum land surface ...

 

2D Euclidean distance transform algorithms: a comparative survey

  
ACM Computing Surveys, Vol. 40, No. 1. (February 2008), pp. 1-44, https://doi.org/10.1145/1322432.1322434

Abstract

The distance transform (DT) is a general operator forming the basis of many methods in computer vision and geometry, with great potential for practical applications. However, all the optimal algorithms for the computation of the exact Euclidean DT (EDT) were proposed only since the 1990s. In this work, state-of-the-art sequential 2D EDT algorithms are reviewed and compared, in an effort to reach more solid conclusions regarding their differences in speed and their exactness. Six of the best algorithms were fully implemented ...

 

A general algorithm for computing distance transforms in linear time

  
Mathematical Morphology and its Applications to Image and Signal Processing In Mathematical Morphology and its Applications to Image and Signal Processing, Vol. 18 (2000), pp. 331-340, https://doi.org/10.1007/0-306-47025-x_36

Abstract

A new general algorithm for computing distance transforms of digital images is presented. The algorithm consists of two phases. Both phases consist of two scans, a forward and a backward scan. The first phase scans the image column-wise, while the second phase scans the image row-wise. Since the computation per row (column) is independent of the computation of other rows (columns), the algorithm can be easily parallelized on shared memory computers. The algorithm can be used for the computation of the ...

 

Chorological maps for the main European woody species

  
Data in Brief, Vol. 12 (June 2017), pp. 662-666, https://doi.org/10.1016/j.dib.2017.05.007

Abstract

A novel chorological data compilation for the main European tree and shrub species is presented. This dataset was produced by combining numerous and heterogeneous data collected from 20th century atlas monographs providing complete species distribution maps, and from more recent national to regional atlases, occurrence geodatabases and scientific literature. The dataset is composed of numerous species distribution maps available in geographical information system (GIS) format, created by compiling, evaluating and synthesizing data of all collected sources. The geometry of the individual ...

 

Concluding remarks

  
Cold Spring Harbor Symposia on Quantitative Biology, Vol. 22 (01 January 1957), pp. 415-427, https://doi.org/10.1101/sqb.1957.022.01.039

Abstract

This concluding survey of the problems considered in the Symposium naturally falls into three sections. In the first brief section certain of the areas in which there is considerable difference in outlook are discussed with a view to ascertaining the nature of the differences in the points of view of workers in different parts of the field; no aspect of the Symposium has been more important than the reduction of areas of dispute. In the second section a rather detailed analysis ...

 

Escape from the impact factor

  
Ethics in Science and Environmental Politics, Vol. 8, No. 1. (2008), pp. 5-7

Abstract

As Editor-in-Chief of the journal Nature, I am concerned by the tendency within academic administrations to focus on a journal’s impact factor when judging the worth of scientific contributions by researchers, affecting promotions, recruitment and, in some countries, financial bonuses for each paper. Our own internal research demonstrates how a high journal impact factor can be the skewed result of many citations of a few papers rather than the average level of the majority, reducing its value as an objective measure ...

 

A concise review on the role of author self-citations in information science, bibliometrics and science policy

  
Scientometrics, Vol. 67, No. 2. (2006), pp. 263-277, https://doi.org/10.1007/s11192-006-0098-9

Abstract

The objective of the present study is twofold: (1) to show the aims and means of quantitative interpretation of bibliographic features in bibliometrics and their re-interpretation in research policy, and (2) to summarise the state-of-art in self-citation research. The authors describe three approaches to the role of author self-citations and possible conflicts arising from the different perspectives. From the bibliometric viewpoint we can conclude that that there is no reason for condemning self-citations in general or for removing them from macro ...

 

Linking plant strategies and plant traits derived by radiative transfer modelling

  
Journal of Vegetation Science (12 April 2017), https://doi.org/10.1111/jvs.12525

Abstract

[Question] Do spatial gradients of plant strategies correspond to patterns of plant traits obtained from a physically based model and hyperspectral imagery? It has previously been shown that reflectance can be used to map plant strategies according to the established CSR scheme. So far, these approaches have been based on empirical links and lacked transferability. Therefore, we test if physically based derivations of plant traits may help in finding gradients in traits that are linked to strategies. [Location] A raised bog and minerotrophic fen ...

 

Building Rothermel fire behaviour fuel models by genetic algorithm optimisation

  
International Journal of Wildland Fire, Vol. 24, No. 3. (2015), 317, https://doi.org/10.1071/wf14097

Abstract

A method to build and calibrate custom fuel models was developed by linking genetic algorithms (GA) to the Rothermel fire spread model. GA randomly generates solutions of fuel model parameters to form an initial population. Solutions are validated against observations of fire rate of spread via a goodness-of-fit metric. The population is selected for its best members, crossed over and mutated within a range of model parameter values, until a satisfactory fitness is reached. We showed that GA improved the performance ...

 

A climate policy pathway for near- and long-term benefits

  
Science, Vol. 356, No. 6337. (04 May 2017), pp. 493-494, https://doi.org/10.1126/science.aak9521

Abstract

The Paris Climate Agreement under the United Nations Framework Convention on Climate Change (UNFCCC) explicitly links the world's long-term climate and near-term sustainable development and poverty eradication agendas. Urgent action is needed, but there are many paths toward the agreement's long-term, end-of-century, 1.5° to 2°C climate target. We propose that reducing short-lived climate pollutants (SLCPs) enough to slow projected global warming by 0.5°C over the next 25 years be adopted as a near-term goal, with many potential benefits toward achieving Sustainable ...

 

Unmask temporal trade-offs in climate policy debates

  
Science, Vol. 356, No. 6337. (04 May 2017), pp. 492-493, https://doi.org/10.1126/science.aaj2350

Abstract

Global warming potentials (GWPs) have become an essential element of climate policy and are built into legal structures that regulate greenhouse gas emissions. This is in spite of a well-known shortcoming: GWP hides trade-offs between short- and long-term policy objectives inside a single time scale of 100 or 20 years (1). The most common form, GWP100, focuses on the climate impact of a pulse emission over 100 years, diluting near-term effects and misleadingly implying that short-lived climate pollutants exert forcings in ...

 

New crop pest takes Africa at lightning speed

  
Science, Vol. 356, No. 6337. (04 May 2017), pp. 473-474, https://doi.org/10.1126/science.356.6337.473

Abstract

The fall armyworm (Spodoptera frugiperda) is marching across Africa and destroying maize fields with an astonishing speed, after arriving from the Western Hemisphere at least 16 months ago. The damage to maize could total $3 billion in the next 12 months. Eventually, damage could be limited with a range of pest-management techniques, including plant extracts such as neem oil or biopesticides based on viruses that infect armyworms. Parasitoid wasps could serve as biological control. Planting insect-repellant legumes alongside the maize seems ...

 

Willingness to share research data is related to the strength of the evidence and the quality of reporting of statistical results

  
PLOS ONE, Vol. 6, No. 11. (2 November 2011), e26828, https://doi.org/10.1371/journal.pone.0026828

Abstract

The widespread reluctance to share published research data is often hypothesized to be due to the authors' fear that reanalysis may expose errors in their work or may produce conclusions that contradict their own. However, these hypotheses have not previously been studied systematically. We related the reluctance to share research data for reanalysis to 1148 statistically significant results reported in 49 papers published in two major psychology journals. We found the reluctance to share data to be associated with weaker evidence ...

 

Fuzziness vs. probability

  
International Journal of General Systems, Vol. 17, No. 2-3. (June 1990), pp. 211-240, https://doi.org/10.1080/03081079008935108

Abstract

Fuzziness is explored as an alternative to randomness for describing uncertainty. The new sets-as-points geometric view of fuzzy sets is developed. This view identifies a fuzzy set with a point in a unit hypercube and a nonfuzzy set with a vertex of the cube. Paradoxes of two-valued logic and set theory, such as Russell's paradox, correspond to the midpoint of the fuzzy cube. The fundamental questions of fuzzy theory—How fuzzy is a fuzzy set? How much is one fuzzy set a ...

 

Building confidence in climate model projections: an analysis of inferences from fit

  
WIREs Clim Change, Vol. 8, No. 3. (1 May 2017), n/a, https://doi.org/10.1002/wcc.454

Abstract

Climate model projections are used to inform policy decisions and constitute a major focus of climate research. Confidence in climate projections relies on the adequacy of climate models for those projections. The question of how to argue for the adequacy of models for climate projections has not gotten sufficient attention in the climate modeling community. The most common way to evaluate a climate model is to assess in a quantitative way degrees of ‘model fit’; that is, how well model results ...

 

Academia’s never-ending selection for productivity

  
Scientometrics In Scientometrics, Vol. 103, No. 1. (15 February 2015), pp. 333-336, https://doi.org/10.1007/s11192-015-1534-5

Abstract

[Excerpt] Over the last decade, a debate has been emerging on “Academia’s obsession with quantity” (Lawrence 2007; Fischer et al. 2012a) and the subsequent Impact Factor Race, an unhealthy game played by scientists (Cherubini 2008; Brischoux and Cook 2009). Despite being widely despised by the scientific community (but see Loyola et al. 2012), the “publish or perish” dogma and the use of productivity indices (e.g., journal’s impact factor, number of published articles) to assess a researcher’s output seem to hold on, ...

 

Ten simple rules for making research software more robust

  
PLOS Computational Biology, Vol. 13, No. 4. (13 April 2017), e1005412, https://doi.org/10.1371/journal.pcbi.1005412

Abstract

[Abstract] Software produced for research, published and otherwise, suffers from a number of common problems that make it difficult or impossible to run outside the original institution or even off the primary developer’s computer. We present ten simple rules to make such software robust enough to be run by anyone, anywhere, and thereby delight your users and collaborators. [Author summary] Many researchers have found out the hard way that there’s a world of difference between “works for me on my machine” and “works for ...

 

Scale-dependent complementarity of climatic velocity and environmental diversity for identifying priority areas for conservation under climate change

  
Global Change Biology (March 2017), https://doi.org/10.1111/gcb.13679

Abstract

As most regions of the earth transition to altered climatic conditions, new methods are needed to identify refugia and other areas whose conservation would facilitate persistence of biodiversity under climate change. We compared several common approaches to conservation planning focused on climate resilience over a broad range of ecological settings across North America and evaluated how commonalities in the priority areas identified by different methods varied with regional context and spatial scale. Our results indicate that priority areas based on different ...

 

How innovations thrive in GRASS GIS

  
In North Carolina GIS Conference, NCGIS2017 (2017)

Abstract

[Poster topic highlights] [::] Algorithms and models included in GRASS GIS remain available long term (Chemin et al., 2015). [::] Analytical tools are not limited to one domain but spread across many fields. [::] New tools can be built based on functionality or code of the existing ones regardless of the particular domain of problems they belong to. [::] Both the functionality and the code are evaluated by the community of users and developers in different fields and scales. [General GRASS GIS highlights] [::] The GRASS GIS development team ...

 

An ecoregion-based approach to protecting half the terrestrial realm

  
BioScience (14 April 2017), https://doi.org/10.1093/biosci/bix014

Abstract

We assess progress toward the protection of 50% of the terrestrial biosphere to address the species-extinction crisis and conserve a global ecological heritage for future generations. Using a map of Earth's 846 terrestrial ecoregions, we show that 98 ecoregions (12%) exceed Half Protected; 313 ecoregions (37%) fall short of Half Protected but have sufficient unaltered habitat remaining to reach the target; and 207 ecoregions (24%) are in peril, where an average of only 4% of natural habitat remains. We propose a ...

 

Impact factors: no totum pro parte by skewness of citation

  
Cardiovascular Research, Vol. 61, No. 2. (01 February 2004), pp. 201-203, https://doi.org/10.1016/j.cardiores.2003.11.023

Abstract

Citation of the various papers published in one and the same journal is highly skewed. Journals with a high impact factor obtain this high value by frequent citation of only a limited number of their papers and, on the other hand, journals with low impact factors publish many papers that remain uncited [1]. Thus, mere publication of a paper in a given journal cannot be regarded as a quality marker of that particular paper [2], it just means that the authors ...

 

Citizen science application - Invasive Alien Species in Europe

  

Abstract

The JRC, within the framework of MYGEOSS initiative devoted to citizen science, has developed an application for Apple and Android smartphone devices called “Invasive Alien Species Europe”, which allows users to report the presence of the 37 species currently listed as Invasive Alien Species (IAS) of Union concern (EU Regulation 1143/2014) on the European territory. User friendly factsheets and pictures guide the user towards the species likely to have been observed. Once validated, data will be fed into the European Alien ...

 

Detecting long-range correlations with detrended fluctuation analysis

  
Physica A: Statistical Mechanics and its Applications, Vol. 295, No. 3-4. (June 2001), pp. 441-454, https://doi.org/10.1016/s0378-4371(01)00144-3

Abstract

We examine the detrended fluctuation analysis (DFA), which is a well-established method for the detection of long-range correlations in time series. We show that deviations from scaling which appear at small time scales become stronger in higher orders of DFA, and suggest a modified DFA method to remove them. The improvement is necessary especially for short records that are affected by non-stationarities. Furthermore, we describe how crossovers in the correlation behavior can be detected reliably and determined quantitatively and show how ...

 

Statistical significance of seasonal warming/cooling trends

  
Proceedings of the National Academy of Sciences, Vol. 114, No. 15. (11 April 2017), pp. E2998-E3003, https://doi.org/10.1073/pnas.1700838114

Abstract

[Significance] The question whether a seasonal climatic trend (e.g., the increase of spring temperatures in Antarctica in the last decades) is of anthropogenic or natural origin is of great importance because seasonal climatic trends may considerably affect ecological systems, agricultural yields, and human societies. Previous studies assumed that the seasonal records can be treated as independent and are characterized by short-term memory only. Here we show that both assumptions, which may lead to a considerable overestimation of the trend significance, do not ...

 

System-of-Systems engineering management: a review of modern history and a path forward

  
IEEE Systems Journal, Vol. 2, No. 4. (18 December 2008), pp. 484-499, https://doi.org/10.1109/jsyst.2008.2007163

Abstract

As our knowledge of system of systems (SoS) has grown and evolved, so has our understanding of how to engineer and manage them. In systems engineering, we develop architectures and frameworks to bring meaning to this kind of uncertainty, but for SoS engineering (SoSE) we are still in search of how we can structure this understanding. In this paper, we review the SoS literature to illustrate the need to create an SoSE management framework based on the demands of constant technological ...

 

System of Systems - the meaning of of

  
System of Systems Engineering In 2006 IEEE/SMC International Conference on System of Systems Engineering, Vol. 0 (10 July 2006), pp. 118-123, https://doi.org/10.1109/sysose.2006.1652284

Abstract

We present distinguishing characteristics (i.e. autonomy, belonging, connectivity, diversity, and emergence), that can help us to recognize or to realize a System of Systems (SoS). The principle differentiation that we make between a thing being either a 'system' or a SoS focuses on the nature of a system's composition. We will distinctly define this set of distinguishing characteristics which will include a set of cross references from our literature research where we believe others are articulating our chosen differentiating characteristics. We ...

 

Mapping indicators of female welfare at high spatial resolution

  
(2017)

Abstract

Improved understanding of geographic variation and inequity in health status, wealth, and access to resources within countries is increasingly being recognized as central to meeting development goals. Development and health indicators assessed at national scales conceal important inequities, with the rural poor often least well represented. High-resolution data on key social and health indicators are fundamental for targeting limited resources, especially where development funding has recently come under increased pressure. Globally, around 80% of countries regularly produce sex-disaggregated statistics at a ...

References

  1. Alegana, V.A., Atkinson, P.M., Pezzulo, C., Sorichetta, A., Weiss, D., Bird, T., ErbachSchoenberg, E., Tatem, A.J., 2015. Fine resolution mapping of population age-structures for health and development applications. Journal of The Royal Society Interface 12 (105), 20150073+. https://doi.org/10.1098/rsif.2015.0073 .
  2. Banerjee, S., Gelfand, A.E., Polasek, W., 2000. Geostatistical modelling for spatial interaction data with application to postal service performance. Journal of statistical planning and inference 90(1), 87-105. https://doi.org/10.1016/S0378-3758(00)00111-7 .
 

Exploring transdisciplinary integration within a large research program: empirical lessons from four thematic synthesis processes

  
Research Policy, Vol. 46, No. 3. (April 2017), pp. 678-692, https://doi.org/10.1016/j.respol.2017.01.004

Abstract

[Highlights] [::] We adapt a framework to compare integration across four synthesis processes. [::] We identify challenges and derive recommendations for future synthesis processes. [::] We recommend initiating synthesis processes concurrently with research projects. [::] We consider professional competences and management skills crucial for integration. [::] We recommend the promotion of communities of practice to support integration. [Abstract] What challenges do researchers face when leading transdisciplinary integration? We address this question by analyzing transdisciplinary integration within four thematic synthesis processes of the Swiss National Research Programme (NRP 61) ...

 

Transdisciplinary global change research: the co-creation of knowledge for sustainability

  
Current Opinion in Environmental Sustainability, Vol. 5, No. 3-4. (September 2013), pp. 420-431, https://doi.org/10.1016/j.cosust.2013.07.001

Abstract

[Highlights] [::] A new framework for integrated, transdisciplinary global change research for sustainability is introduced. [::] From a practical perspective three different dimensions of integration (scientific, international and sectoral) are discussed. [::] Co-design of research agendas and co-production of knowledge are discussed as necessary integration approaches to address Future Earth research challenges. [Abstract] The challenges formulated within the Future Earth framework set the orientation for research programmes in sustainability science for the next ten years. Scientific disciplines from natural and social science will collaborate both among ...

 

Boss competence and worker well-being

  
ILR Review, Vol. 70, No. 2. (March 2017), pp. 419-450, https://doi.org/10.1177/0019793916650451

Abstract

Nearly all workers have a supervisor or “boss.” Yet little is known about how bosses influence the quality of employees’ lives. This study offers new evidence. First, the authors find that a boss’s technical competence is the single strongest predictor of a worker’s job satisfaction. Second, they demonstrate using longitudinal data, after controlling for fixed-effects, that even if a worker stays in the same job and workplace, a rise in the competence of a supervisor is associated with an improvement in ...

 

Hybrid incompatibility caused by an epiallele

  
Proceedings of the National Academy of Sciences, Vol. 114, No. 14. (04 April 2017), pp. 3702-3707, https://doi.org/10.1073/pnas.1700368114

Abstract

[Significance] Deleterious mutations in different copies of a duplicated gene pair have the potential to cause hybrid incompatibility between diverging subpopulations, contributing to reproductive isolation and speciation. This study demonstrates a case of epigenetic gene silencing rather than pseudogene creation by mutation, contributing to a lethal gene combination on hybridization of two ecotypes of Arabidopsis thaliana. Our findings provide direct evidence that naturally occurring epigenetic variation can contribute to incompatible hybrid genotypes, reducing gene flow between subtypes of the same species. [Abstract] Hybrid incompatibility ...

 

Outreach: local problems are a low research priority

  
Nature, Vol. 544, No. 7648. (05 April 2017), pp. 35-35, https://doi.org/10.1038/544035e

Abstract

[Excerpt] You ask what science can do [...] suggesting that it would be useful to work with local communities on research problems that could improve [...] quality of life (Nature 542, 391; 2017). I disagree. [...] Universities are global institutions that have the primary objectives of creating knowledge and educating people to continue the development of our societies. Building stronger links with local society and solving local problems should never be a priority for any university. ...

 

What causes large fires in Southern France

  
Forest Ecology and Management, Vol. 294 (April 2013), pp. 76-85, https://doi.org/10.1016/j.foreco.2012.06.055

Abstract

[Highlights] [::] 0.8% Of fires were larger than 100 ha but accounted for 71% of total burned area. [::] On the whole area, the main cause was arson. [::] Occurrence mainly linked to shrubland population, minor road, fall-spring drought. [::] Burned area linked to shrubland fall–winter rain, summer drought, unemployment. [::] The areas the most affected were located to the East on the Mediterranean coast. [Abstract] In Southern France, where most wildfires occur, the fire size has never exceeded 6744 ha since 1991, whereas ...

 

Exploring the high-resolution mapping of gender-disaggregated development indicators

  
Journal of The Royal Society Interface, Vol. 14, No. 129. (05 April 2017), 20160825, https://doi.org/10.1098/rsif.2016.0825

Abstract

Improved understanding of geographical variation and inequity in health status, wealth and access to resources within countries is increasingly being recognized as central to meeting development goals. Development and health indicators assessed at national or subnational scale can often conceal important inequities, with the rural poor often least well represented. The ability to target limited resources is fundamental, especially in an international context where funding for health and development comes under pressure. This has recently prompted the exploration of the potential ...

 

Supplementary Information from Exploring the high-resolution mapping of gender disaggregated development indicators

  

Abstract

[Excerpt: Datasets] The Demographic and Health Surveys (DHS) is a program of national household surveys implemented across a large number of LMICs. The DHS Program collects and analyses data on population demographic and health characteristics through more than 300 surveys in over 90 countries. The gender-disaggregated data we investigated in this report come from DHS datasets. [\n] [...] [Models specification] [::Bayesian model specification] The Gaussian Function (GF) in INLA is represented as a Gaussian Markov Random Function (GMRF). Computations in INLA are carried out using the GMRF by approximating a ...

References

  1. Alegana, V.A., Atkinson, P.M., Pezzulo, C., Sorichetta, A., Weiss, D., Bird, T., ErbachSchoenberg, E., Tatem, A.J., 2015. Fine resolution mapping of population age-structures for health and development applications. Journal of The Royal Society Interface 12 (105), 20150073+. https://doi.org/10.1098/rsif.2015.0073 .
  2. Bosco, C., de Rigo, D., Dijkstra, T.A., Sander, G., Wasowski, J., 2013. Multi-scale robust modelling of landslide susceptibility: regional rapid assessment and catchment robust fuzzy ensemble. IFIP Advances in Information and Communication Technology
 

Core trustworthy data repositories requirements

  

Abstract

The Core Trustworthy Data Repository Requirements were developed by the DSA–WDS Partnership Working Group on Repository Audit and Certification, a Working Group (WG) of the Research Data Alliance . The goal of the effort was to create a set of harmonized common requirements for certification of repositories at the core level, drawing from criteria already put in place by the Data Seal of Approval (DSA: www.datasealofapproval.org) and the ICSU World Data System (ICSU-WDS: https://www.icsu-wds.org/services/certification). An additional goal of the project was ...

 

Transboundary health impacts of transported global air pollution and international trade

  
Nature, Vol. 543, No. 7647. (29 March 2017), pp. 705-709, https://doi.org/10.1038/nature21712

Abstract

Millions of people die every year from diseases caused by exposure to outdoor air pollution. Some studies have estimated premature mortality related to local sources of air pollution, but local air quality can also be affected by atmospheric transport of pollution from distant sources. International trade is contributing to the globalization of emission and pollution as a result of the production of goods (and their associated emissions) in one region for consumption in another region. The effects of international trade on ...

 

A global map of roadless areas and their conservation status

  
Science, Vol. 354, No. 6318. (16 December 2016), pp. 1423-1427, https://doi.org/10.1126/science.aaf7166

Abstract

[Too many roads] Roads have done much to help humanity spread across the planet and maintain global movement and trade. However, roads also damage wild areas and rapidly contribute to habitat degradation and species loss. Ibisch et al. cataloged the world's roads. Though most of the world is not covered by roads, it is fragmented by them, with only 7% of land patches created by roads being greater than 100 km2. Furthermore, environmental protection of roadless areas is insufficient, which could lead ...

 

Multitrait successional forest dynamics enable diverse competitive coexistence

  
Proceedings of the National Academy of Sciences, Vol. 114, No. 13. (28 March 2017), pp. E2719-E2728, https://doi.org/10.1073/pnas.1610206114

Abstract

[Significance] Walking through any forest, one is struck by the variety of plant forms coexisting. Given that all plants compete for the same basic resources, why is there not a single winner? Our study shows that when key ingredients common to all forests are accounted for—including disturbance events, competition for light, and two widely observed trait-based tradeoffs—models of niche differentiation predict forests of considerably greater diversity than was previously thought possible. In particular, our model accurately predicts the proliferation of species occupying ...

 

Overcoming catastrophic forgetting in neural networks

  
Proceedings of the National Academy of Sciences, Vol. 114, No. 13. (28 March 2017), pp. 3521-3526, https://doi.org/10.1073/pnas.1611835114

Abstract

[Significance] Deep neural networks are currently the most successful machine-learning technique for solving a variety of tasks, including language translation, image classification, and image generation. One weakness of such models is that, unlike humans, they are unable to learn multiple tasks sequentially. In this work we propose a practical solution to train such models sequentially by protecting the weights important for previous tasks. This approach, inspired by synaptic consolidation in neuroscience, enables state of the art results on multiple reinforcement learning problems ...

 

Geographic distribution of 24 major tree species in the Mediterranean and their genetic resources

  
(2016)

Abstract

[Excerpt: Introduction] The Mediterranean Basin is one of the world’s richest places in terms of animal and plant diversity. It is a highly diverse region and its mountains, rivers, forests and thousands of islands form a mosaic of natural and cultural landscapes of incomparable value. With around 25,000 species of native plants, of which more than half are endemic, and because many habitats and species are threatened, the Mediterranean is recognized as one of the Global Biodiversity Hotspots [18]. For millennia, ...

 

Critical review and meta-analysis of ambient particulate matter source apportionment using receptor models in Europe

  
Atmospheric Environment, Vol. 69 (April 2013), pp. 94-108, https://doi.org/10.1016/j.atmosenv.2012.11.009

Abstract

[Highlights] [::] Receptor models evolve towards tools with refined uncertainty treatment. [::] Positive Matrix Factorization and Chemical Mass Balance are the most used models. [::] Gas-to-particle conversion is the main PM mass and particulate organic carbon source. [::] To abate exceedances, secondary inorganic and traffic are the main sources to target. [::] More long term speciated PM datasets would foster source identification studies. [Abstract] A review was conducted of the published literature on source apportionment of ambient particulate matter (PM) in Europe using receptor ...

 

A multi-model assessment of the co-benefits of climate mitigation for global air quality

  
Environmental Research Letters, Vol. 11, No. 12. (01 December 2016), 124013, https://doi.org/10.1088/1748-9326/11/12/124013

Abstract

We present a model comparison study that combines multiple integrated assessment models with a reduced-form global air quality model to assess the potential co-benefits of global climate mitigation policies in relation to the World Health Organization (WHO) goals on air quality and health. We include in our assessment, a range of alternative assumptions on the implementation of current and planned pollution control policies. The resulting air pollution emission ranges significantly extend those in the Representative Concentration Pathways. Climate mitigation policies complement ...

 

House bill no. 246, Indiana State Legislature, 1897

  
Proceedings of the Indiana Academy of Science, Vol. 45 (1935), pp. 206-210

Abstract

[Excerpt] This paper has grown out of a number of requests for information over a number of years, by students and others, concerning some supposed action taken by the Indiana State Legislature with regard to fixing the value of pi, that is, the result of dividing the length of the circumference of a circle by the length of its diameter, at a certain value that was different from the true value. Of course the interest in and wonder at such an action lies in the presumption of a ...

 

House bill no. 246 revisited

  
Proceedings of the Indiana Academy of Science, Vol. 84 (1974), pp. 374-399

Abstract

[Excerpt: Introduction] In the year 1966 the State of Indiana celebrated the Sesquicentennial of its admission into statehood, and the Indiana Academy of Science joined in this observance with a number of appropriate activities. Among these was a program of invited papers on the history of the various sciences and of mathematics in the state over the 150-year period. [\n] For a small number of persons the association of "Indiana" and "mathematics" immediately brings to mind the true story of the attempt in 1897 of the state legislature to pass ...

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