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Selection: with tag mastrave-modelling-library [37 articles] 

 

Geostatistical tools to map the interaction between development aid and indices of need

  
No. 49. (2018)

Abstract

In order to meet and assess progress towards global sustainable development goals (SDGs), an improved understanding of geographic variation in population wellbeing indicators such as health status, wealth and access to resources is crucial, as the equitable and efficient allocation of international aid relies on knowing where funds are needed most. Unfortunately, in many low-income countries, detailed, reliable and timely information on the spatial distribution and characteristics of intended aid recipients are rarely available. Furthermore, lack of information on the past ...

 

Forest fire danger extremes in Europe under climate change: variability and uncertainty

  
Keywords: adaptation   array-of-factors   biodiversity   biodiversity-impacts   burnt-area   climate-change   climate-extremes   communicating-uncertainty   data-transformation-modelling   data-uncertainty   downscaling   droughts   dynamic-system   ecosystem-resilience   emergent-property   euro-cordex   europe   extreme-events   extreme-weather   fire-damage   fire-danger-rating   fire-management   fire-weather-index   forest-fires   forest-management   forest-pests   forest-resources   free-scientific-software   geospatial   geospatial-semantic-array-programming   human-behaviour   humidity   ipcc-scenarios   mastrave-modelling-library   mitigation   modelling-uncertainty   no-analog-pattern   peseta-series   precipitation   rcp85   resilience   resilience-vs-resistance   review   robust-modelling   science-policy-interface   science-society-interface   scientific-communication   semantic-array-programming   spatial-pattern   species-richness   species-specific-effects   temperature   vegetation-changes   wildfires   wind  

Abstract

Forests cover over a third of the total land area of Europe. In recent years, large forest fires have repeatedly affected Europe, in particular the Mediterranean countries. Fire danger is influenced by weather in the short term, and by climate when considering longer time intervals. In this work, the emphasis is on the direct influence on fire danger of weather and climate. [\n] For climate analysis at the continental scale, a daily high-emission scenario (RCP 8.5) was considered up to the end ...

References

  1. de Rigo, D., Bosco, C., San-Miguel-Ayanz, J., Houston Durrant, T., Barredo, J. I., Strona, G., Caudullo, G., Di Leo, M., Boca, R., 2016. Forest resources in Europe: an integrated perspective on ecosystem services, disturbances and threats. In: San-Miguel-Ayanz, J., de Rigo, D., Caudullo, G., Houston Durrant, T., Mauri, A. (Eds.), European Atlas of Forest Tree Species. Publ. Off. EU, Luxembourg, pp. e015b50+. https://w3id.org/mtv/FISE-Comm/v01/e015b50 .
  2. Alberdi Asensio, I., Baycheva-Merger, T., Bouvet, A., Bozzano,
 

Robust modelling of the impacts of climate change on the habitat suitability of forest tree species

  
Keywords: abies-alba   array-of-factors   artificial-neural-networks   bioclimatic-predictors   change-factor   climate-change   data-uncertainty   diversity   environmental-modelling   europe   extrapolation-uncertainty   featured-publication   forest-resources   free-scientific-knowledge   free-scientific-software   free-software   fuzzy   gdal   genetic-diversity   geospatial   geospatial-semantic-array-programming   gnu-bash   gnu-linux   gnu-octave   habitat-suitability   integration-techniques   mastrave-modelling-library   maximum-habitat-suitability   modelling-uncertainty   multiplicity   peseta-series   python   regional-climate-models   relative-distance-similarity   robust-modelling   semantic-array-programming   semantic-constraints   semantics   spatial-disaggregation   sres-a1b   supervised-training   unsupervised-training  

Abstract

[::] In Europe, forests play a strategic multifunctional role, serving economic, social and environmental purposes. However, their complex interaction with climate change is not yet well understood. [::] The JRC PESETA project series proposes a consistent multi-sectoral assessment of the impacts of climate change in Europe. [::] Within the PESETA II project, a robust methodology is introduced for modelling the habitat suitability of forest tree species (2071-2100 time horizon). [::] Abies alba (the silver fir) is selected as case study: a main European tree ...

References

  1. European Commission, 2013. Communication from the Commission to the European Parliament, the Council, the European Economic and Social Committee and the Committee of the Regions - A new EU forest strategy: for forests and the forest based sector. No. COM(2013) 659 final. Communication from the Commission to the Council and the European Parliament. http://eur-lex.europa.eu/legal-content/EN/TXT/?uri=celex:52013DC0659 , INRMM-MiD:12642065 .
  2. European Commission, 2013. Commission staff working document accompanying the document: Communication from the commission to
 

Multi-dimensional weighted median: the module "wmedian" of the Mastrave modelling library

  
In Semantic Array Programming with Mastrave - Introduction to Semantic Computational Modelling (2012)

Abstract

Weighted median (WM) filtering is a well known technique for dealing with noisy images and a variety of WM-based algorithms have been proposed as effective ways for reducing uncertainties or reconstructing degraded signals by means of available information with heterogeneous reliability. Here a generalized module for applying weighted median filtering to multi-dimensional arrays of information with associated multi-dimensional arrays of corresponding weights is presented. Weights may be associated to single elements or to groups of elements along given dimensions of the ...

 

(INRMM-MiD internal record) List of keywords of the INRMM meta-information database - part 24

  
(February 2014)
Keywords: inrmm-list-of-tags   mass-extinction   mass-spectrometry   mast-fruiting   mastixioideae   mastrave-modelling-library   mathematical-reasoning   mathematics   mating-pattern   matlab   matsucoccus-feytaudi   mattesia-schwenkei   mature-forest   mauritia-flexuosa   max-temperature   maxent   maximum-habitat-suitability   maxwell-quantity-notation   mcarthur-mark-5   mcd43   mcd43a   mcpfe   meadow   meadows   meat-consumption   mechanical-testing   mechanics   mechanistic-approach   medetera-signaticornis   median   mediawiki   medicago-arborea   medical-herb   medicinal-plants   mediterranean-pines   mediterranean-region   medium-resolution   megastigmus-brevicaudis   megastigmus-spp   megastigmus-wachtli   mekong-river-basin   melaleuca-quinquenervia   melampsora   melampsora-larici-populina   melanophila-picta   meles-meles   melia-azedarach   melia-spp   melting-acceleration   memory   mercurialis-perennis   mercury   merit-dem   mersenne-twister   mesoamerica   mesophilous   mesophytic-species   mespilus-germanica   messerschmidia-argentea   meta-analysis   metacommunities   metadata   metadata-mining   metaecosystems   metaknowledge   metal-pollution   metamaterial   metapopulations   metaprogramming   metasequoia-glyptostroboides   meteorology   methane   methods   metopium-toxiferum   metrology   metrosideros-polymorpha   mexico   mic   micology   microalgae   microclimate   micropterus-salmoides   microsatellite   microsite   microsoft-academic-search   mid-holocene   middle-east   migration   migration-history   migration-pattern   migration-rate   milicia-excelsa   millennium-ecosystem-assessment   milliferous-plant   milvus-migrans   milvus-milvus   min-max   min-temperature   mineralization   minimal-predicted-area  

Abstract

List of indexed keywords within the transdisciplinary set of domains which relate to the Integrated Natural Resources Modelling and Management (INRMM). In particular, the list of keywords maps the semantic tags in the INRMM Meta-information Database (INRMM-MiD). [\n] The INRMM-MiD records providing this list are accessible by the special tag: inrmm-list-of-tags ( http://mfkp.org/INRMM/tag/inrmm-list-of-tags ). ...

 

European atlas of forest tree species

  
Keywords: bioeconomy   chorology   classification   climate   constrained-spatial-multi-frequency-analysis   data-heterogeneity   data-integration   data-uncertainty   disasters   disturbances   ecological-zones   ecology   ecosystem-services   europe   floods   forest-fires   forest-pests   forest-resources   free-software   geospatial   geospatial-semantic-array-programming   gis   gnu-bash   gnu-linux   gnu-octave   habitat-suitability   integrated-modelling   integrated-natural-resources-modelling-and-management   integration-techniques   knowledge-integration   landslides   mastrave-modelling-library   modelling-uncertainty   open-data   paleoecology   relative-distance-similarity   reproducible-research   review   science-policy-interface   science-society-interface   semantic-array-programming   semantic-constraints   semantics   semap   software-uncertainty   soil-erosion   soil-resources   species-distribution   tree-species   uncertainty   water-resources   windstorm  

Abstract

[Excerpt] The European Atlas of Forest Tree Species is the first comprehensive publication of such a unique and essential environmental resource, that is, our trees. Leading scientists and forestry professionals have contributed in the many stages of the production of this atlas, through the collection of ground data on the location of tree species, elaboration of the distribution and suitability maps, production of the photographic material and compilation of the different chapters. The European Atlas of Forest Tree Species is both ...

 

Assessing the potential distribution of insect pests: case studies on large pine weevil (Hylobius abietis L) and horse-chestnut leaf miner (Cameraria ohridella) under present and future climate conditions in European forests

  
EPPO Bulletin, Vol. 45, No. 2. (1 August 2015), pp. 273-281, https://doi.org/10.1111/epp.12208

Abstract

Forest insect pests represent a serious threat to European forests and their negative effects could be exacerbated by climate change. This paper illustrates how species distribution modelling integrated with host tree species distribution data can be used to assess forest vulnerability to this threat. Two case studies are used: large pine weevil (Hylobius abietis L) and horse-chestnut leaf miner (Cameraria ohridella Deschka & Dimič) both at pan-European level. The proposed approach integrates information from different sources. Occurrence data of insect pests ...

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Interactive comment (reply to Anonymous Referee 3) on Modelling soil erosion at European scale: towards harmonization and reproducibility - by Bosco et al

  
Natural Hazards and Earth System Sciences Discussions, Vol. 2 (2014), pp. C1786-C1795, https://doi.org/10.6084/m9.figshare.1379902

Abstract

Throughout the public discussion of our article Bosco et al. (Nat. Hazards Earth Syst. Sci. Discuss., 2, 2639-2680, 2014), the Anonymous Referee 3 provided (Nat. Hazards Earth Syst. Sci. Discuss., 2, C1592-C1594, 2014) a variety of insights. This work presents our replies to them. ...

 

Interactive comment (reply to Dino Torri) on Modelling soil erosion at European scale: towards harmonization and reproducibility - by Bosco et al

  
Natural Hazards and Earth System Sciences Discussions, Vol. 2 (2014), pp. C671-C688, https://doi.org/10.6084/m9.figshare.1379901

Abstract

During the public discussion of our article Bosco et al. (Nat. Hazards Earth Syst. Sci. Discuss., 2, 2639-2680, 2014), D. Torri provided numerous insights (Nat. Hazards Earth Syst. Sci. Discuss. 2, C528-C532, 2014). This work offers our replies to them. ...

 

Modelling soil erosion at European scale: towards harmonization and reproducibility

  
Natural Hazards and Earth System Science, Vol. 15, No. 2. (4 February 2015), pp. 225-245, https://doi.org/10.5194/nhess-15-225-2015

Abstract

Soil erosion by water is one of the most widespread forms of soil degradation. The loss of soil as a result of erosion can lead to decline in organic matter and nutrient contents, breakdown of soil structure and reduction of the water-holding capacity. Measuring soil loss across the whole landscape is impractical and thus research is needed to improve methods of estimating soil erosion with computational modelling, upon which integrated assessment and mitigation strategies may be based. Despite the efforts, the ...

 

Architecture of Environmental Risk Modelling: for a faster and more robust response to natural disasters

  
In 3rd Conference of Computational Interdisciplinary Sciences (2014), pp. 46-57

Abstract

Demands on the disaster response capacity of the European Union are likely to increase, as the impacts of disasters continue to grow both in size and frequency. This has resulted in intensive research on issues concerning spatially-explicit information and modelling and their multiple sources of uncertainty. Geospatial support is one of the forms of assistance frequently required by emergency response centres along with hazard forecast and event management assessment. Robust modelling of natural hazards requires dynamic simulations under an array of ...

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Supplementary materials for: a proposal for an integrated modelling framework to characterise habitat pattern

  
(2014)

Abstract

In Estreguil et al. (Environ Modell Softw 52, 176-191, 2014), an integrated modelling framework is proposed to characterise habitat pattern. The modelling approach is there exemplified by deriving a set of twelve indices aggregated into four categories: general landscape composition, habitat morphology, edge interface and connectivity. The easy and reproducible computability is ensured with the integrated use of publicly available software (GUIDOS free-download software, Conefor free software) and of newly programmed tools. A statistical analysis is then conducted using classical linear ...

 

Modelling soil erosion at European scale: towards harmonization and reproducibility

  
Natural Hazards and Earth System Sciences Discussions, Vol. 2, No. 4. (11 April 2014), pp. 2639-2680, https://doi.org/10.5194/nhessd-2-2639-2014

Abstract

Soil erosion by water is one of the most widespread forms of soil degradation. The loss of soil as a result of erosion can lead to decline in organic matter and nutrient contents, breakdown of soil structure and reduction of the water holding capacity. Measuring soil loss across the whole landscape is impractical and thus research is needed to improve methods of estimating soil erosion with computational modelling, upon which integrated assessment and mitigation strategies may be based. Despite the efforts, ...

 

Climate impacts in Europe - The JRC PESETA II project

  
edited by J. C. Ciscar

Abstract

The objective of the JRC PESETA II project is to gain insights into the sectoral and regional patterns of climate change impacts in Europe by the end of this century. The study uses a large set of climate model runs and impact categories (ten impacts: agriculture, energy, river floods, droughts, forest fires, transport infrastructure, coasts, tourism, habitat suitability of forest tree species and human health). The project integrates biophysical direct climate impacts into a macroeconomic economic model, which enables the comparison ...

References

  1. Aaheim, A., Amundsen, H., Dokken, T., Wei, T., 2012. Impacts and Adaptation to Climate Change in European Economies. Global Environmental Change 22(4), 959-968. https://doi.org/10.1016/j.gloenvcha.2012.06.005 .
  2. Alley, R.B., Whillans, I.M., 1991. Changes in the West Antarctic ice sheet. Science 254 (5034), 959–963. https://doi.org/10.1126/science.254.5034.959 .
  3. Anstey, J., Davini, P., Gray, L., Woollings, T., 2012. Multi-model analysis of winter blocking and tropospheric jet variability: The roles of horizontal and vertical resolution. Submitted to J.
 

Supporting EFSA assessment of the EU environmental suitability for exotic forestry pests: final report

  
EFSA Supporting Publications, Vol. 11, No. 3. (19 March 2014), 434E, https://doi.org/10.2903/sp.efsa.2014.EN-434

Abstract

An updated series of distribution maps of more than 50 taxa, mainly of forest tree species, is presented along with the description of involved materials, inventory data and ancillary datasets, data-processing and modelling methods. Different methodologies are discussed and corresponding specific maps are presented for supporting the assessment on emerging plant pest risks. Updated maps of taxa habitat suitability are also presented. Maps, material and methods for supporting the risk assessment on Phytophthora ramorum for the European territory and for supporting ...

References

  1. Abelleira, A., Picoaga, A., Mansilla, J. P., Aguin, O., 2011. Detection of Bursaphelenchus Xylophilus, Causal Agent of Pine Wilt Disease on Pinus pinaster in Northwestern Spain. Plant Disease 95 (6), 776. https://doi.org/10.1094/PDIS-12-10-0902
  2. Athar, M., Nasir, S. M., 2005. Taxonomic perspective of plant species yielding vegetable oils used in cosmetics and skin care products. African Journal of Biotechnology 4 (1) 36-44.
  3. Badal, E., 2001. La recolección de piñas durante
 

Towards the reproducibility in soil erosion modelling: a new pan-European soil erosion map

  
In Wageningen conference on applied soil science : 'Soil Science in a Changing World' (February 2011), https://doi.org/10.6084/m9.figshare.936872

Abstract

Soil erosion by water is a widespread phenomenon throughout Europe and has the potentiality, with his on-site and off-site effects, to affect water quality, food security and floods. Despite the implementation of numerous and different models to estimate soil erosion by water in Europe, there is still a lack of harmonization of assessment methodologies. Very often, different approaches give soil erosion rates significantly different and even when the same model is applied to the same region the results may be different. ...

References

  1. Rusco, E., Montanarella, L., Bosco, C., 2008. Soil erosion: a main threats to the soils in Europe. In: Tóth, G., Montanarella, L., Rusco, E. (Eds.), Threats to Soil Quality in Europe. No. EUR 23438 EN in EUR - Scientific and Technical Research series. Office for Official Publications of the European Communities, pp. 37-45
  2. Casagrandi, R. and Guariso, G., 2009. Impact of ICT in Environmental Sciences: A citation analysis 1990-2007. Environmental Modelling & Software 24
 

A proposal for an integrated modelling framework to characterise habitat pattern

  
Environmental Modelling & Software, Vol. 52 (February 2014), pp. 176-191, https://doi.org/10.1016/j.envsoft.2013.10.011

Abstract

[Highlights] [::] Habitat pattern characterisation as methodological guidance for fragmentation assessments (applied in Europe). [::] Reproducible integration of three landscape models with GIS and semantic array programming. [::] Four families indices: landscape composition, edge interface, habitat morphology and connectivity. [::] New indices: edge interface context of morphological shapes; Power Weighted Probability of Dispersal family for connectivity. [::] Nonlinear statistical correlation analysis based on Brownian Distance Correlation. [Abstract] Harmonized information on habitat pattern, fragmentation and connectivity is one among the reporting needs of the biodiversity policy agenda. This paper ...

 

Software uncertainty in integrated environmental modelling: the role of semantics and open science

  
Geophysical Research Abstracts In European Geosciences Union (EGU) General Assembly 2013, Vol. 15 (Nov 2013), 13292, https://doi.org/10.6084/m9.figshare.155701

Abstract

Computational aspects increasingly shape environmental sciences. Actually, transdisciplinary modelling of complex and uncertain environmental systems is challenging computational science (CS) and also the science-policy interface. Large spatial-scale problems falling within this category - i.e. wide-scale transdisciplinary modelling for environment (WSTMe) - often deal with factors for which deep-uncertainty may prevent usual statistical analysis of modelled quantities and need different ways for providing policy-making with science-based support. Here, practical recommendations are proposed for tempering a peculiar - not infrequently underestimated - source of uncertainty. Software errors in complex WSTMe may ...

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Mastrave

  
In Free Software Directory (October 2011), 8008

Abstract

Mastrave is a free software library written to perform vectorized scientific computing and to be as compatible as possible with both GNU Octave and Matlab computing frameworks, offering general purpose, portable and freely available features for the scientific community. Mastrave is mostly oriented to ease complex modeling tasks such as those typically needed within environmental models, even when involving irregular and heterogeneous data series. [Semantic array programming]. The Mastrave project attempts to allow a more effective, quick interoperability between GNU Octave and Matlab ...

 

Forest landscape in Europe: pattern, fragmentation and connectivity

  
Vol. 25717, No. JRC 77295. (2013), https://doi.org/10.2788/77842

Abstract

The JRC demonstrated the feasibility to assess and report in a harmonized manner, forest landscape pattern and fragmentation in Europe, on the basis of an easily reproducible set of indices. Results were used in the Forest EUROPE, UN ECE and FAO joint ministerial reporting process on the protection of forests in Europe where data on forest pattern do not exist from national forest inventories. In the EU, 40% of the forest lands are within a 100m distance from other lands, thus ...

 

Continental-scale living forest biomass and carbon stock: a robust fuzzy ensemble of IPCC Tier 1 maps for Europe

  
IFIP Advances in Information and Communication Technology, Vol. 413 (2013), pp. 271-284, https://doi.org/10.1007/978-3-642-41151-9_26

Abstract

Forest ecosystems play a key role in the global carbon cycle. Spatially explicit data and assessments of forest biomass and carbon are therefore crucial for designing and implementing effective sustainable forest management options and forest related policies. In this contribution, we present European-wide maps of forest biomass and carbon stock spatially disaggregated at 1km x 1km. The maps originated from a spatialisation improvement of the IPCC methodology for estimating the forest biomass at IPCC Tier 1 level (IPCC-T1). [\n] Using a categorical ...

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Multi-scale robust modelling of landslide susceptibility: regional rapid assessment and catchment robust fuzzy ensemble

  
IFIP Advances in Information and Communication Technology, Vol. 413 (2013), pp. 321-335, https://doi.org/10.1007/978-3-642-41151-9_31

Abstract

Landslide susceptibility assessment is a fundamental component of effective landslide prevention. One of the main challenges in landslides forecasting is the assessment of spatial distribution of landslide susceptibility. Despite the many different approaches, landslide susceptibility assessment still remains a challenge. A semi-quantitative method is proposed combining heuristic, deterministic and probabilistic approaches for a robust catchment scale assessment. A fuzzy ensemble model has been exploited for aggregating an array of different susceptibility zonation maps. Each susceptibility zonation has been obtained by applying ...

 

Dynamic data driven ensemble for wildfire behaviour assessment: a case study

  
IFIP Advances in Information and Communication Technology, Vol. 413 (2013), pp. 11-22, https://doi.org/10.1007/978-3-642-41151-9_2

Abstract

Wildfire information has long been collected in Europe, with particular focus on forest fires. The European Forest Fire Information System (EFFIS) of the European Commission complements and harmonises the information collected by member countries and covers the forest fire management cycle. This latter ranges from forest fire preparedness to post-fire impact analysis. However, predicting and simulating fire event dynamics requires the integrated modelling of several sources of uncertainty. Here we present a case study of a novel conceptualization based on a Semantic ...

 

An architecture for adaptive robust modelling of wildfire behaviour under deep uncertainty

  
IFIP Advances in Information and Communication Technology, Vol. 413 (2013), pp. 367-380, https://doi.org/10.1007/978-3-642-41151-9_35

Abstract

Wildfires in Europe - especially in the Mediterranean region - are one of the major treats at landscape scale. While their immediate impact ranges from endangering human life to the destruction of economic assets, other damages exceed the spatio-temporal scale of a fire event. Wildfires involving forest resources are associated with intense carbon emissions and alteration of surrounding ecosystems. The induced land cover degradation has also a potential role in exacerbating soil erosion and shallow landslides. A component of the complexity in assessing ...

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Semantic Array Programming for environmental modelling: application of the Mastrave library

  
In International Environmental Modelling and Software Society (iEMSs) 2012 International Congress on Environmental Modelling and Software - Managing Resources of a Limited Planet: Pathways and Visions under Uncertainty, Sixth Biennial Meeting (2012), pp. 1167-1176

Abstract

Environmental datasets grow in size and specialization while models designed for local scale are often unsuitable at regional/continental scale. At regional scale, data are usually available as georeferenced collections of spatially distributed despite semantically atomic information. Complex data intrinsically impose modellers to manipulate nontrivial information structures. For example, multi-dimensional arrays of time series may be composed by slices of raster spatial matrices for each time step, whilst heterogeneous collections of uneven arrays are common when dealing with data analogous to precipitation ...

 

A data-driven model for large wildfire behaviour prediction in Europe

  
Procedia Computer Science, Vol. 18 (2013), pp. 1861-1870, https://doi.org/10.1016/j.procs.2013.05.355

Abstract

The European Forest Fire Information System (EFFIS) has been established by the Joint Research Centre (JRC) and the Directorate General for Environment (DG ENV) of the European Commission (EC) in close collaboration with the Member States and neighbour countries. EFFIS is intended as complementary system to national and regional systems in the countries, providing harmonised information required for international collaboration on forest fire prevention and fighting and in cases of trans-boundary fire events. However, one missing component in the system is ...

 

Free and Open Source Software underpinning the European Forest Data Centre

  
Geophysical Research Abstracts In European Geosciences Union (EGU) General Assembly 2013, Vol. 15 (2013), 12101, https://doi.org/10.6084/m9.figshare.155700

Abstract

Worldwide, governments are growingly focusing on free and open source software (FOSS) as a move toward transparency and the freedom to run, copy, study, change and improve the software. The European Commission (EC) is also supporting the development of FOSS [...]. In addition to the financial savings, FOSS contributes to scientific knowledge freedom in computational science (CS) and is increasingly rewarded in the science-policy interface within the emerging paradigm of open science. Since complex computational science applications may be affected by ...

 

Toward open science at the European scale: Geospatial Semantic Array Programming for integrated environmental modelling

  
Geophysical Research Abstracts In European Geosciences Union (EGU) General Assembly 2013, Vol. 15 (2013), 13245, https://doi.org/10.6084/m9.figshare.155703

Abstract

[Excerpt] Interfacing science and policy raises challenging issues when large spatial-scale (regional, continental, global) environmental problems need transdisciplinary integration within a context of modelling complexity and multiple sources of uncertainty. This is characteristic of science-based support for environmental policy at European scale, and key aspects have also long been investigated by European Commission transnational research. Approaches (either of computational science or of policy-making) suitable at a given domain-specific scale may not be appropriate for wide-scale transdisciplinary modelling for environment (WSTMe) and ...

 

Towards the reproducibility in soil erosion modeling: a new pan-European soil erosion map

  
In Wageningen conference on applied soil science : 'Soil Science in a Changing World' (2011), https://doi.org/10.6084/m9.figshare.936872

Abstract

Soil erosion by water is a widespread phenomenon throughout Europe and has the potentiality, with his on-site and off-site effects, to affect water quality, food security and floods. Despite the implementation of numerous and different models to estimate soil erosion by water in Europe, there is still a lack of harmonization of assessment methodologies. Very often, different approaches give soil erosion rates significantly different and even when the same model is applied to the same region the results may be different. ...

References

  1. Rusco, E., Montanarella, L., Bosco, C., 2008. Soil erosion: a main threats to the soils in Europe. In: Tóth, G., Montanarella, L., Rusco, E. (Eds.), Threats to Soil Quality in Europe. No. EUR 23438 EN in EUR - Scientific and Technical Research series. Office for Official Publications of the European Communities, pp. 37-45
  2. Casagrandi, R. and Guariso, G., 2009. Impact of ICT in Environmental Sciences: A citation analysis 1990-2007. Environmental Modelling & Software 24
 

Applying semantic constraints to array programming: the module "check_is" of the Mastrave modelling library

  
In Semantic Array Programming with Mastrave - Introduction to Semantic Computational Modelling (2012)

Abstract

Array programming originated to reduce the gap between mathematical notation and algorithm implementations by promoting arrays (vectors, matrices, tensors, up to more complex structures) as atomic quantities with extremely concise manipulating operators. [\n] Coherent array-based mathematical description of models can simplify complex algorithm design and prototyping while moving mathematical reasoning directly into the source code - because of its substantial size reduction - where the mathematical description is actually expressed in a completely formalized and reproducible way. This powerful approach mostly relies ...

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Detecting general multi-dimensional nonlinear correlations: the module "dist_corr" of the Mastrave modelling library

  
In Semantic Array Programming with Mastrave - Introduction to Semantic Computational Modelling (2012), https://doi.org/10.6084/m9.figshare.92645

Abstract

Linear correlation analysis of complex nonlinear physical or computationally derived quantities - despite straightforward to be implemented with the help of basic numerical tools - may be far sub-optimal in assessing the actual strength of existing relationships between quantities. Moreover, in many applications not only the correlation between pairs of quantities is of interest, but also the more general correlation between a certain group of quantities and another one. Multi-dimensional nonlinear correlation analysis may offer elegant and concise ways of exploring ...

 

Semantic Array Programming with Mastrave - Introduction to semantic computational modelling

  
(2012)

Abstract

Computational scientists in the domains of environmental modelling are challenged to cope with data impressively growing in complexity, heterogeneity and size. Computational models are mathematical descriptions which usually try to capture numerically some essential (i.e. in most cases, approximated) relationships between key aspects of observed phenomena. As a consequence, they should in principle be unambiguously deterministic and therefore scientifically reproducible - including unintentional algorithm errors or weaknesses which this way have a chance to be discovered and corrected in ...

 

Mapping European forest tree species distribution to support pest risk assessment

  
Bioforsk FOKUS In Advancing risk assessment models for invasive alien species in the food chain: contending with climate change, economics and uncertainty, Vol. 7, No. 10. (2012)

Abstract

Establishment and spread of plant pests and diseases depends on many ecological factors among which the availability and distribution of host plants plays a key role. Therefore, accurate information on the distribution of forest tree species is crucial for risk assessment of forest pests and diseases. Our project focuses on mapping the distribution of over 200 tree species in Europe on the basis of data provided by the National Forest Inventories (NFIs) of European countries at 1 km spatial resolution. Data provided by ...

 

Reporting on European forest fragmentation: standardized indices and web map services

  
IEEE Earthzine, Vol. 5, No. 2. (2012), 384031

Abstract

This paper responds to the need for improved reporting and methodology reproducibility on forest fragmentation as underlined in the biodiversity policy context. The fragmentation of a focal ecosystem is conceptualized from a landscape pattern characterization based on three publicly available landscape models (Morphological Spatial Pattern application of the GUIDOS free download software, Landscape Mosaic Pattern, Conefor Sensinode free open source software) that were partly combined. A set of indices were derived and organized into five main families: two indices on general landscape ...

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A selective improvement technique for fastening neuro-dynamic programming in water resources network management

  
IFAC-PapersOnLine In Proceedings of the 16th IFAC World Congress, Vol. 38, No. 1. (04 July 2005), pp. 7-12, https://doi.org/10.3182/20050703-6-cz-1902.02172
edited by Pavel Zítek

Abstract

An approach to the integrated water resources management based on Neuro-Dynamic Programming (NDP) with an improved technique for fastening its Artificial Neural Network (ANN) training phase will be presented. When dealing with networks of water resources, Stochastic Dynamic Programming provides an effective solution methodology but suffers from the so-called "curse of dimensionality", that rapidly leads to the problem intractability. NDP can sensibly mitigate this drawback by approximating the solution with ANNs. However in the real world applications NDP shows to be ...

References

  1. Archibald, T.W., McKinnon, K.I.M., Thomas, L.C., 1997. An aggregate stochastic dynamic programming model of multireservoir systems. Water Resour. Res. 33, 333-340.
  2. Bellman, R.E., Dreyfus, S.E., 1959. Functional approximations and dynamic programming. Mathematical Tables and Other Aids to Computation 13, 247-251.
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  4. Bertsekas, D.P.,
 

Architecture of a pan-European framework for integrated soil water erosion assessment

  
IFIP Advances in Information and Communication Technology, Vol. 359 (2011), pp. 310-318, https://doi.org/10.1007/978-3-642-22285-6_34

Abstract

Soil erosion implications on future food security are gaining global attention because in many areas worldwide there is an imbalance between soil loss and its subsequent deposition. Soil erosion is a complex phenomenon affected by many factors such as climate, topography and land cover (in particular forest resources, natural vegetation and agriculture) while directly influencing water sediment transport, the quality of water resources and water storage loss. A modeling architecture, based on the Revised Universal Soil Loss Equation, is proposed and ...

 

Towards a reproducible pan-European soil erosion risk assessment - RUSLE

  
In EGU General Assembly 2011, Vol. 13 (2011), 3351

Abstract

Soil is a valuable, non-renewable natural resource that offers a multitude of ecosystems goods and services. Given the increasing threat of soil erosion in Europe and the implications this has on future food security and water quality, it is important that land managers and decision makers are provided with accurate and appropriate information on the areas more prone to erosion phenomena. The present study shows an attempt to locate, at regional scale, the most sensitive areas and to highlight any changes of soil ...

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