Christine Plumejeaud

• PhD
• Engineer at French National Centre for Scientific Research

This article presents how ship trajectories have been built from historical sources dealing with maritime trade in the 18th century. It first summarizes the method for building the routes, and qualifying the uncertainty level linked to each of its segments. Then, it details how the geometries of these segments connecting two successive stopovers we...

Mercury (Hg) is a heterogeneously distributed toxicant affecting wildlife and human health. Yet, the spatial distribution of Hg remains poorly documented, especially in food webs, even though this knowledge is essential to assess large-scale risk of toxicity for the biota and human populations. Here, we used seabirds to assess, at an unprecedented...

L’article présente une étude de cas portant sur la navigation et le commerce maritime des anciennes provinces du Poitou, de l’Aunis, de la Saintonge et de l’Angoumois à la veille de la Révolution. Cette étude, menée dans le cadre du programme interdisciplinaire ANR « Portic », questionne les logiques spatiales à l’œuvre à l’échelle locale, régional...

La collaboration entre informaticiens et historiens ouvre la voie à des analyses inédites, grâce notamment à la capacité des outils informatiques d’agréger ou désagréger des masses considérables de données. Ces outils semblent cependant livrer une donnée formalisée « propre », en masquant qu’elle est un « construit », et son caractère « imparfait »...

The coastal area of the Charente‐Maritime region is highly attractive and is mainly used for economic and recreational activities. The Pertuis Charentais, which are the receptacle of three rivers (the Sèvre‐Niortaise, the Charente and the Seudre) create a good natural environment for shellfish farming. Given the importance of its coastal activities...

This article presents the methodology and choices we made to produce and publish on the semantic Web a gazetteer of French ports in activity between 1749 and 1815 and of foreign ports they were connected to, including their belonging to historical maritime and fiscal administrative districts, and to political entities. The paper focuses in particul...

https://arctox.cnrs.fr/en/home/ Mercury (Hg) is a natural trace element found in high concentrations in top predators, including Arctic seabirds. Most current knowledge about Hg concentrations in Arctic seabirds relates to exposure during the summer breeding period when researchers can easily access seabirds at colonies. However, the few studies f...

The wine market is very heterogeneous and complex, being the knowledge of the behaviour and attitudes of consumers a key tool to design efficient marketing plans, namely in countries that are traditionally wine producers and consumers, such as Portugal. In this country, Port wine is an economic and cultural icon, but, in the last decade, total sale...

Arable weeds are key organisms for biodiversity maintenance and ecosystem service provision in agroecosystems. Disentangling the drivers of weed diversity is critical to counteract the global decline of farmland biodiversity. Even if distinct scale-dependent processes were alternatively proposed, no general framework unifying the multi-scale driver...

The definition of “arable weeds” remains contentious. Although much attention has been devoted to specialized, segetal weeds, many taxa found in arable fields also commonly occur in other habitats. The extent to which adjacent habitats are favourable to the weed flora and act as potential sources of colonisers in arable fields remains unclear. In a...

The development of human activities on French Atlantic coastlines (La Rochelle) lead to chronic pollution of the environment by organic (pesticides, hydrocarbons, agrochemicals) and inorganic (heavy metals) contaminants. These past years, several regulations have been implemented to preserve coastal environments. The purpose of this study was to pe...

This article presents the construction of a dataset describing French cities in terms of morphology, construction materials, and human behaviour related to building energy consumption. It describes an improvement of the urban climate model TEB to take into account the variety of building use and human behaviour at district scale. These developments...

Generic algorithm for automatic matching and changes detection between two Geographic Divisions' versions. This work was supported by the French region Auvergne-Rhône-Alpes [grant number REGION 2015-DRH-0367]. ARC7 : Innovations, mobilités, territoires et dynamiques urbaines.

Through times, regions all over the world are very often subject to change (their names, their belonging, their composition, and their geometries). In this paper, we present a Semantic Matching Algorithm for automatically detecting, describing and publishing in the Linked Open Data Web, rich descriptions of changes occurring in multi-level territor...

Le projet PAMELi (Plateforme Autonome Multicapteurs pour l'Exploration Littorale interdisciplinaire) porte sur l'observation répétée des paramètres environnementaux tels que les paramètres physico-chimiques de la colonne d'eau, la qualité des eaux, la hauteur d'eau et la bathymétrie précise à l'aide d'un drone marin. Ce projet sera mis en place dan...

Le littoral est un système dynamique complexe régi par les interactions entre divers processus physiques, biologiques ou humains. Mieux comprendre ces interactions nécessite l'acquisition simultanée et répétée de données de divers capteurs. PAMELi sera un drone marin destiné à acquérir des données scientifiques multidisciplinaires en domaine littor...

The accumulation of evidences of the effects of intensive agricultural practices against wildlife fauna and flora, and biodiversity in general, has been largely published in scientific papers (Tildman, 1999). However, data serving as sup-port to their conclusions are often kept hidden behind research institutions. This paper presents a data visuali...

Understanding the response of biodiversity to management, land use and climate change is a major challenge in farmland to halt the decline of biodiversity. Farmlands shelter a wide variety of taxa, which vary in their life cycle and habitat niches. Consequently, monitoring biodiversity from sessile annual plants to migratory birds requires dedicate...

Agriculture is currently facing unprecedented challenges: ensuring food, fiber and energy production in the face of global change, maintaining the economic performance of farmers and preserving natural resources such as biodiversity and associated key ecosystem services for sustainable agriculture. Addressing these challenges requires innovative la...

The database includes a list of 1577 weed plant taxa found in cultivated fields of France and UK, along with basic ecological and biogeographical information. The database is a CSV file in which the columns are separated with comma, and the decimal sign is ".". It can be imported in R with the command "tax.discoweed <- read.csv("tax.discoweed_18Dec...

Padang is known to be one of the most exposed cities in Indonesia to the threat of tsunamis. Some available models show that the urban area in the coastal zone would be inundated by a potential tsunami. Considering this threat, our objective is to estimate which areas of the city are the most endangered in order to plan an evacuation that is adapte...

The ecological mechanisms shaping plants assemblages are multiple and scale-dependent. While the differentiation of resource patches may govern assembly rules at intermediate scales, the role dispersal processes is expected to decrease and the one of species interaction to increase from large to fine spatial scale. In this study, we investigate the...

Background Long-term benthic monitoring is rewarding in terms of science, but labour-intensive, whether in the field, the laboratory, or behind the computer. Building and managing databases require multiple skills, including consistency over time as well as organisation via a systematic approach. Here, we introduce and share our spatially explicit...

R code for correcting ouliers and NA values in the dataframe

R code for creating results presented in the data paper

Script for extrapolation Top/bottom

This paper presents the 'Environment and landscape geo-knowledge' (GEMINAT) project which aims to build an infrastructure favouring the cross-analysis of spatio-temporal heterogeneous data sources recorded at the Chizé environmental observatory since 1994. From a case study, we summarise the difficulties encountered by biologists and ecologists whe...

http://cesab.org/index.php/en/projets-en-cours/projets-2014/125-disco-weed

Metacommunity theory represents an exciting framework to identify the ecological mechanisms shaping the spatio-temporal organization of species assembly. Among them, dispersal and niche-based processes have been proposed as major drivers of metacommunity dynamics, whose relative role has led to the emergence of distinct paradigms. Mass-effect empha...

Ce chapitre est le fruit d'une collaboration interdisciplinaire entre informaticiens, géomaticiens et historiens pour définir une nomenclature territoriale et modéliser ses évolutions dans un système d'information qui soit opérationnel. Les nomenclatures territoriales sont des structures hiérarchiques ou semi-hiérarchiques composées d'entités terri...

This paper presents the “Environment and landscape geoknowledge” project which aims to exploit heterogeneous data sources recorded at the Chizé environmental observatory since 1994. From a case study, we summarize the difficulties encountered by biologists and ecologists experts when maintaining and analyzing collected environmental data, essential...

The MApUCE project aims to integrate in urban policies and most relevant legal documents quantitative data from urban microclimate, climate and energy. The primary objective of this project is to obtain climate and energy quantitative data from numerical simulations, focusing on urban microclimate and building energy consumption in the residential...

Numéro non encore paru au moment du dépôt

This paper describes an innovative solution for geovisualization of the demographic and administrative history of French municipalities, named "communes" in French. This solution allows for the open dissemination of such data. The challenge is to provide a web interface for unskilled users in order to help them understand complex information about...

The aim of the GeoPeuple project is to analyze the raise of population from the late XVIII to the early XXI century according to the topographic elements that characterize each commune (administrative area conceptually close to municipality): the infrastructure, the equipment, the settlements as well as the natural component such as the relief. We...

The accumulation of observation data about the planet Mars during the last decade has contributed to the development of the Martian climatology field. This field focuses on the study of temporal evolution of physical proprieties of surface and atmosphere of the planet Mars. Taking into account the temporal dimension is a new topic in planetary scie...

This paper presents a platform, called QualESTIM, for exploring socioeconomic statistical data (also called indicators). QualESTIM integrates various outlier detection methods that make it possible to evaluate the logical consistency of a dataset, and its quality in fine. Without recourse to ‘ground truth’ of some kind, data values are compared to...

L’Institut national d’études démographiques offre un nouvel outil de cartes interactives de la population accessible en ligne gratuitement sur son site Internet. Il permet d’afficher les cartes de tous les pays de la planète pour une trentaine d’indicateurs démographiques avec la possibilité de suivre leur évolution dans le temps comme un film. Il...

HyperAtlas est un outil de mesure et de cartographie des inégalités territoriales. De par les méthodes d'analyse qu'il intègre et les usages qui peuvent en être fait, HyperAtlas se situe à l'interface entre le scientifique et le politique. On se propose de questionner, dans le cadre du paradigme weberien, les usages politiques possibles d'un outil...

The full integration of time dimensions in GIS still represents a research challenge. A number of systems provide ways to visualise harmonised timestamped geographical data onto maps, with interpolated curves representing how these data have changed over time. However, these systems frequently mask the concerns linked to changes in territorial orga...

This thesis is in the field of spatiotemporal modelling, and our work focuses specifically on the management of territorial statistical information. Today, the availability of large amounts of statistical information by different regional producers (Eurostat, INSEE, the European Environment Agency, the UN, etc..) offers a rich analytical perspectiv...

This research aims at taking into account the mutations of the various zonings that are used to collect statistical data. The focus is on the conception of a model that handles the mutations of units that are composing those zonings, based on the building of the units’ genealogy. An automation of the update process of such a model is highly desirab...

This research aims at taking into account the mutations of the various zonings that are used to collect statistical data. The focus is on the conception of a model that handles the mutations of units that are composing those zonings, based on the building of the units' genealogy. An automation of the update process of such a model is highly desirab...

Nowadays, spatial analysis led on complex phenomenon implies the usage of data available on heterogeneous territorial meshes, that is to say misaligned meshes. Then, combine these data requires the transfer of each dataset into a common spatial support that can be exploited. This is known as the Change Of Support Problem (COSP). However, it appears...

documentation des données recueillies et utilisées dans les systèmes d'information géographique est essentielle pour rendre possible leur découverte, l'échange et l'interopérabilité entre différents systèmes. Cette importance est soulignée par la directive INSPIRE, qui préconise l'usage de la norme ISO19115 pour la création de métadonnées, avec la...

Résumé. Cette recherche concerne le développement de méthodes pour l'ana-lyse de similarité entre valeurs statistiques, issues de sources multiples, sur des échelles géographiques et des périodes temporelles variables. Les valeurs des indicateurs statistiques, comme les effectifs des différentes catégories socio-professionelles, mesurés en un certa...

Communication in Visualization Workshop of AGILE 2010

The documentation of data used in any Geographical Information System (GIS) is essential for the share, the exchange, and the interoperability between various systems. This fact has been highlighted by the INSPIRE directive at the European level, whose recommendations are to create and maintain metadata based on the ISO19115 standard, and to permit...

The sustainable management of geographic information through time is fundamental in the field of spatial planning, because handling of long-term statistical indicators is useful for setting up prospective scenarios. Sustainability means the control of complex information which is often incomplete: data come from multiple scales and heterogeneous gr...

This paper presents a new cartographic tool for spatial analysis of social data, using the potential smoothing method [10]. The purpose of this method is to view the spread of a phenomenon (demographic, economical, social, etc.) in a continuous way, at a macroscopic scale, from data sampled on administrative areas. We aim to offer an interactive to...

The HyperCarte research group wishes to offer a new cartographic tool for spatial analysis of social data, using the potential smoothing method. The purpose of this method is to view the spreading of phenomena's in a continuous way, at a macroscopic scale, basing on data sampled on administrative areas. We aim to offer an interactive tool, accessib...

Simulation and optimisation applications involve a large variety of codes that result in high CPU loads on existing computer systems. Advances in both hardware and software, including massively parallel computers, PC-clusters and parallel programming languages somewhat alleviate current performance penalties. It is the claim of this paper that form...

Simulation and optimisation applications involve a large variety of codes that result in high CPU loads on existing computer systems. Advances in both hardware and software, including massively parallel computers, PC-clusters and parallel programming languages somewhat alleviate current performance penalties. It is the claim of this paper that form...