The future of habitat modeling and instream flow assessment techniques

Hardy, Thomas B.

doi:10.1002/(sici)1099-1646(1998090)14:5<405::aid-rrr510>3.0.co;2-0

Cited by 73 publications

(30 citation statements)

References 82 publications

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“…River2D) are generally considered to result in more realistic estimates of hydraulic conditions than one-dimensional hydrodynamic models (e.g. PHABSIM type; cross section average) (Hardy 1998;Lane 1998). Arguably the most important input data for River2D is the bathymetry, and we think that the comprehensive bathymetry collected with the CHARTS system provided the most detailed and accurate bathymetry for the Hanford Reach to date.…”

Section: River 2d Discussionmentioning

confidence: 99%

Hydraulic Alterations Resulting from Hydropower Development in the Bonneville Reach of the Columbia River

Hatten

Batt

2010

Northwest Science

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Section: River 2d Discussionmentioning

confidence: 99%

Hydraulic Alterations Resulting from Hydropower Development in the Bonneville Reach of the Columbia River

Hatten

Batt

2010

Northwest Science

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“…However, biotic targets are not currently of direct utility for watershed management because of an incomplete understanding of how a "disturbance" propagates through a watershed affecting surface and groundwater quantity and quality, influencing habitat and eliciting a biotic response. In particular, the ability to predict how river geometry and substrate characteristics are likely to change under an altered flow regime is limited (Hardy, 1998).…”

Section: Holisticmentioning

confidence: 99%

“…Technological advances are making the collection of channel morphology and current velocity at the required spatial resolution increasingly feasible. Limitations on the accuracy of spatial velocity simulations as a result of the representation of channel geometry and the characteristics of the finite element grid have been identified (Crowder and Diplas, 2000;2002;Hardy, 1998). The performance of the one-dimensional HEC-RAS model can be enhanced through integration with Arcview GIS, using the HEC-geoRAS extension.…”

Section: Level 3: Detailed Assessmentsmentioning

confidence: 99%

An Ecological Flow Assessment Framework: Building a Bridge to Implementation in Canada

Bradford¹

2008

Canadian Water Resources Journal

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Quantification of the water requirements of an aquatic ecosystem, expressed as design flow regimes, enables identification of potential conflicts between human and ecosystem needs. Design flow regimes provide end-points for predictive modelling and continuous refinement of land and water management strategies to resolve conflicts. To support ecological flow assessment in Canada, a framework is proposed that is integrated, holistic, hierarchical and adaptive. A context setting phase uses multidisciplinary expert input to qualify cause-response linkages and identify the particular needs of habitat specialists. This focuses subsequent analyses on appropriate ecological processes and determines the hierarchical level of analysis needed. A design flow setting phase combines tools to develop the design regime from a reference regime and tools to quantify flows required to sustain particular ecological processes.Résumé : La quantification des besoins en eau d'un écosystème aquatique, exprimés en tant que débits nominaux, permet de cerner les éventuels conflits entre les besoins humains et les besoins de l'écosystème. Les débits nominaux fournissent des points finaux pour la modélisation prédictive et l'amélioration continue des stratégies de gestion des terres et de l'eau en vue de résoudre les conflits. Pour soutenir l'évaluation des débits écologiques au Canada, un cadre est proposé, lequel est à la fois intégré, global, hiérarchique et adaptatif. Une phase de situation du contexte repose sur les suggestions et commentaires d'un expert multidisciplinaire afin de qualifier les liens « cause et réaction » et de cerner les besoins particuliers des spécialistes de l'habitat. Cela permet d'axer les analyses subséquentes sur les processus écologiques appropriés et de déterminer le niveau hiérarchique d'analyse nécessaire. Une phase d'établissement du débit nominal combine les outils permettant de déterminer le débit nominal à partir d'un régime ou débit de référence ainsi que les outils servant à quantifier les débits nécessaires afin de garantir la viabilité de certains processus écologiques bien précis. 216Canadian Water Resources Journal/Revue canadienne des ressources hydriques

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“…Se espera, con todo, que los nuevos modelos puedan conducir a nuevas normasgenerales para mejores métodos de consulta y ayuden a definir los impactos de la regulación delcaudal fluvial sobre las poblaciones y no sobre los hábitats. 46 Una ventaja de los métodos de modelos de hábitats es que se dispone de manuales claros que definen paso a paso los procedimientos. Esto permite la duplicación de resultados por parte de diferentes investigadores, sean estos individuales o equipos.…”

Section: "Los Modelos De Hábitat Físico Ya Ha Sido Adaptado Para Podeunclassified

“…Sin embargo, los estudios con modelos de hábitat también pueden incluir una evaluación de una serie de especies, dinámica de caudales y participación de partes interesadas. 46 En general, cada vez se encuentra más un enfoque integral en todos los métodos de caudal ambiental.…”

Section: Enfoques Integrales Y Utilización De Expertosunclassified

Caudal : elementos esenciales de caudales ambientales

Bergkamp¹,

Dyson²,

Scanlon³

2005

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Los nombres que se utilizan en este libro para designar entidades geográficas, y la presentación del material, no implican la expresión de ninguna opinión por parte de la UICN con respecto al estatus legal de ningún país, territorio o área, o de sus autoridades, o en cuanto a la delineación de sus fronteras o límites.Los puntos de vista que se expresan en esta publicación no reflejan necesariamente los de la UICN.

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The future of habitat modeling and instream flow assessment techniques

Cited by 73 publications

References 82 publications

Hydraulic Alterations Resulting from Hydropower Development in the Bonneville Reach of the Columbia River

Hydraulic Alterations Resulting from Hydropower Development in the Bonneville Reach of the Columbia River

An Ecological Flow Assessment Framework: Building a Bridge to Implementation in Canada

Caudal : elementos esenciales de caudales ambientales

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