Hydrogeology Journal

, Volume 17, Issue 2, pp 481–489 | Cite as

Introducing wwhypda: a world-wide collaborative hydrogeological parameters database

Technical Note

Abstract

Since the seminal publication of Henry Darcy’s work in the 1880s, a very large number of rock property values (such as hydraulic conductivity, permeability, compressibility, porosity, etc.) has been measured and published. These data are, however, dispersed and difficult to access. To overcome this problem and to facilitate site characterization (especially stochastic), a worldwide hydrogeological parameter database (wwhypda) is proposed. It is an open and collaborative catalog allowing users to store and retrieve measurements. The catalog is accessible through a web interface (http://wwhypda.org). Presently, it provides individual values and probability density functions of the properties as a function of lithology, scale of observation, location, and geological environment.

Keywords

Heterogeneity Hydraulic properties Statistical modeling Tracer tests 

Introduction à wwhypda: une base des données des paramètres hydrogéologiques mondiale et collaborative

Résumé

Depuis la publication des travaux originaux de Henry Darcy (datés 1880) de très nombreuses valeurs de propriétés physiques des roches (conductivité hydraulique, perméabilité, compressibilité, porosité, etc.) ont été obtenues expérimentalement et publiées. Ces données sont toutefois dispersées et donc difficiles d’accès. Pour palier à ce problème et pour ainsi faciliter la caractérisation des aquifères (en particulier par des méthodes stochastiques), cet article propose une base de donnée mondiale de paramètres hydrogéologiques. Il s’agit d’un catalogue librement accessible sur Internet (http://wwhypda.org) pour la consultation et la publication des données. Le catalogue contient actuellement des mesures individuelles et permet de calculer des histogrammes des propriétés en fonction de la lithologie, de l’échelle d’observation, de la localisation et de l’environnement géologique.

Presentación de wwhypda: una base de datos mundial colaborativa de parámetros hidrogeológicos

Resumen

Desde la publicación originaria del trabajo de Henry Darcy’s en los 1880, una gran cantidad de valores de propiedades de roca (tales como conductividad hidráulica, permeabilidad, compresibilidad, porosidad, etc.) ha sido medidos y publicados. Sin embargo, estos datos están dispersos y son de acceso dificultoso. Para solucionar este problema y facilitar la caracterización de un sitio (especialmente estocástico), se propone una base de datos mundial de parámetros hidrogeológicos (wwhypda). Es un catálogo abierto y colaborativo que permite a los usuarios almacenar y recuperar mediciones. El catálogo está accesible a través de una interfaz web (http://wwhypda.org). Actualmente, provee valores individuales y funciones de densidad de probabilidad de las propiedades en función de la litología, la escala de observación, ubicación y medio geológico.

wwhypda: una banca dati di parametri idrogeologici mondiale e collaborativa

Riassunto

Fin dalla publicazione dei primi importanti lavori di Henry Darcy (datati 1880) sono stati misurati e pubblicati moltissimi valori delle diverse proprietà delle rocce (ad esempio conducibilità idrauliche, permeabilità, compressibilità, porosità e così via). Tuttavia questi risultati sono dispersi e di non facile accesso. Per sopperire a queste difficoltà e per fornire uno strumento utile nella caratterizzatione di siti, in particolare dal punto di vista stocastico, si propone una banca dati mondiale di parametri idrogeologici (world-wide hydrogeological parameter database: wwhypda). wwhypda é uno strumento di collaborazione che permette agli utilizzatori di contribuire con i propri dati e/o di consultare liberamente la banca dati, il tutto tramite una interfaccia web (http://wwhypda.org). Singole misure e distribuzioni di probabilità sono fornite e catalogate in funzione della litologia, della scala di osservatione, della localizzazione e dell’ambiente geologico relativi.

Introduzindo wwhypda: uma base de dados colaborativa mundial de parâmetros hidrogeológicos

Resumo

Desde a publicação do trabalho fundador de Darcy nos anos 80 do séc. XIX, têm sido medidos e publicados um número muito grande de valores de propriedades das rochas (como condutividade hidráulica, permeabilidade, compressibilidade, porosidade, etc.). Estes dados, contudo, encontram-se dispersos e difíceis de aceder. Para ultrapassar este problema e facilitar a caracterização de sítios (especialmente estocástica), propõe-se uma base de dados mundial de parâmetros hidrogeológicos (wwhypda: worldwide hydrogeological parameter database). Trata-se de um catálogo colaborativo aberto que permite aos utilizadores introduzir e extrair medições. O catálogo é acessível através de uma interface Internet (http://wwhypda.org). Presentemente fornece valores individuais e funções de densidade de probabilidade de propriedades em função da litologia, da escala de observação, da localização e do enquadramento geológico.

Notes

Acknowledgements

This work is funded by the Swiss National Science Foundation (Grant PP002-106557). The authors are grateful to many colleagues who helped in the design process and provided thoughtful advice: Y. Abe, A. Alcolea, S. Cattin, M. Garlick, C. Laux, R. Mackay, F. Machado Porto, G. de Marsily, A. Rivera, M.T. Schafmeister, C. Simmons, S. Tissot, C. Vangenot, and C. Voss.

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Copyright information

© Springer-Verlag 2008

Authors and Affiliations

  1. 1.Centre d’HydrogéologieUniversité de NeuchâtelNeuchâtelSwitzerland

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