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1. Hydrodynamic-Based Numerical Assessment of Flood Risk of Tamuín City, Mexico, by Tampaón River: A Forecast Considering Climate Change

Author:
Couder-Castañeda, Carlos,   et al.   ; Rodríguez-Cuevas, Clemente; Rocha-Escalante, Hermann; Medina, Isaac; Hernández-Gómez, Jorge J.;     Show all 5 Authors
Source:
Water 2019 v.11 no.9
ISSN:
2073-4441
Subject:
climate change; floods; human settlements; hydrodynamics; local government; mathematical models; rain; risk; rivers; topography; Mexico
Abstract:
... Climate change has unchained several natural extreme phenomena, including a major frequency and intensity of flooding episodes. From these, the ones of greatest importance are those which endanger human settlements as well as socioeconomic activities. This is the case of Tamuín city, settled in the shore of Tampaón River, in Mexico. In this work, we performed a detailed numerical mod ...
DOI:
10.3390/w11091867

2. Fibonacci spirals in a brown alga [Sargassum muticum (Yendo) Fensholt] and in a land plant [Arabidopsis thaliana (L.) Heynh.]: a case of morphogenetic convergence

Author:
Couder, Yves,   et al.   ; Peaucelle, Alexis;     Show all 2 Author
Source:
Acta Societatis Botanicorum Poloniae 2016 v.85 no.4 pp. asbp.3526
ISSN:
2083-9480
Subject:
Arabidopsis thaliana; Sargassum muticum; algae; blades; branches; embryophytes; meristems; models; phyllotaxy; thallus
Abstract:
... In this article, the morphology of a brown alga is revisited and compared to the phyllotaxis of land plants. The alga, Sargassum muticum (Yendo) Fensholt has a highly organized thallus with a stipe, the stem-like main axis, and hierarchically organized lateral branches of successive orders. Around each of these axes, the lateral organs: blades, side-branches, and receptacles grow in a spiral dispo ...
DOI:
10.5586/asbp.3526

3. Leachability of cadmium, lead, and zinc in a long-term spontaneously revegetated slag heap: implications for phytostabilization

Author:
Couder, Eléonore,   et al.   ; Houben, David; Sonnet, Philippe;     Show all 3 Authors
Source:
Journal of soils and sediments 2013 v.13 no.3 pp. 543-554
ISSN:
1439-0108
Subject:
Agrostis capillaris; Agrostis maritima; Armeria maritima; cadmium; ground cover plants; heavy metals; land restoration; lead; long term effects; organic matter; phytoremediation; pioneer species; plant establishment; slags; soil; soil sampling; vegetation cover; zinc
Abstract:
... PURPOSE: For abandoned slag heaps, the spontaneous establishment of a vegetation cover is usually considered beneficial as it represents a means of phytostabilization. However, for slag containing heavy metals, such a vegetation cover has a potential long-term effect on the fate of the metals. The objective of this study was to investigate how the long-term spontaneous revegetation of a slag heap ...
DOI:
10.1007/s11368-012-0546-5

4. Multilayer Numerical Modeling of Flows through Vegetation Using a Mixing-Length Turbulence Model

Author:
Couder-Castañeda, Carlos,   et al.   ; Barrios-Piña, Hector; Ramírez-León, Hermilo; Rodríguez-Cuevas, Clemente;     Show all 4 Authors
Source:
Water 2014 v.6 no.7 pp. 2084-2103
ISSN:
2073-4441
Subject:
equations; hydrodynamics; mathematical models; shear stress; submerged aquatic plants; turbulent flow; vegetation
Abstract:
... This work focuses on the effects of vegetation on a fluid flow pattern. In this numerical research, we verify the applicability of a simpler turbulence model than the commonly used k-" model to predict the mean flow through vegetation. The novel characteristic of this turbulence model is that the horizontal mixing-length is explicitly calculated and coupled with a multi-layer approach for the vert ...
DOI:
10.3390/w6072084

5. Impact of Root-Induced Mobilization of Zinc on Stable Zn Isotope Variation in the Soil–Plant System

Author:
Couder, Eléonore,   et al.   ; Houben, David; Sonnet, Philippe; Tricot, Guillaume; Mattielli, Nadine; Opfergelt, Sophie;     Show all 6 Authors
Source:
Environmental Science & Technology 2014 v.48 no.14 pp. 7866-7873
ISSN:
1520-5851
Subject:
Agrostis; Technosols; isotope fractionation; isotopes; leachates; pH; rhizosphere; roots; soil acidification; soil solution; zinc
Abstract:
... Stable Zn isotopes are increasingly used to trace the source of metal pollution in the environment and to gain a better understanding of the biogeochemical cycle of Zn. In this work, we investigated the effect of plants on Zn isotope fractionation in the soil–plant system of the surface horizon of two Zn-rich Technosols (pH 6.73–7.51, total Zn concentration = 9470–56600 mg kg–¹). In a column exper ...
DOI:
10.1021/es5002874

6. Technical Efficiency Measures as a Tool for Energy Benchmarking in Industry?

Author:
Couder, Johan,   et al.   ; Verbruggen, Aviel;     Show all 2 Author
ISSN:
2048-4070
Subject:
biosphere; effluents; electricity generation; emissions; empirical research; energy conservation; energy efficiency; engineering; environmental performance; pulp and paper mills
Abstract:
... Energy benchmarking is a practical management tool to evaluate and improve the energy performance of an industrial firm, possibly revealing considerable potentials for energy savings and for reduction of emissions to the atmosphere and biosphere. Existing energy metrics used for energy benchmarking however are strictly limited to measuring energy efficiency, completely disregarding positive or neg ...
DOI:
10.1260/095830503322663410

7. Path-memory induced quantization of classical orbits

Author:
Couder, Yves,   et al.   ; Fort, Emmanuel; Eddi, Antonin; Boudaoud, Arezki; Moukhtar, Julien;     Show all 5 Authors
Source:
Proceedings of the National Academy of Sciences of the United States of America 2010 v.107 no.41 pp. 17515-17520
ISSN:
0027-8424
Subject:
memory; momentum; orbits; uncertainty
Abstract:
... A droplet bouncing on a liquid bath can self-propel due to its interaction with the waves it generates. The resulting "walker" is a dynamical association where, at a macroscopic scale, a particle (the droplet) is driven by a pilot-wave field. A specificity of this system is that the wave field itself results from the superposition of the waves generated at the points of space recently visited by t ...
DOI:
10.1073/pnas.1007386107
PubMed Central:
PMC2955113

8. Initial transitions, order and disorder in phyllotactic patterns: the ontogeny of Helianthus annuus: a case study

Author:
Couder, Yves
Source:
Acta Societatis Botanicorum Poloniae 1998 v.67 no.2 pp. 129-150
ISSN:
0001-6977
Subject:
Helianthus annuus; case studies; models; ontogeny; probability
Abstract:
... The variability of the phyllotactic organization of Helianthus annuus L. is investigated. Specimens exhibiting the various possible phyllotactic modes (Fibonacci spirals, Lucas spirals, bijugate spirals etc...) were selected. The transitions from the initial decussate growth to these organizations, were characterized and shown to correspond to only a few archetypes. The possible transients from a ...
DOI:
10.5586/asbp.1998.016

9. Comparison of EDTA-enhanced phytoextraction and phytostabilisation strategies with Lolium perenne on a heavy metal contaminated soil

Author:
Couder, Eléonore,   et al.   ; Lambrechts, Thomas; Gustot, Quentin; Houben, David; Iserentant, Anne; Lutts, Stanley;     Show all 6 Authors
Source:
Chemosphere 2011 v.85 no.8 pp. 1290-1298
ISSN:
0045-6535
Subject:
EDTA (chelating agent); Lolium perenne; calcium chloride; environmental factors; heavy metals; hydraulic conductivity; leachates; leaching; mixing; monitoring; phytoremediation; polluted soils; shoots; soil texture; sowing; steel
Abstract:
... Phytoremediation is a promising and cost-effective strategy to manage heavy metal polluted sites. In this experiment, we compared simultaneously phytoextraction and phytostabilisation techniques on a Cd and Zn contaminated soil, through monitoring of plant accumulation and leaching. Lolium perenne plants were cultivated for 2months under controlled environmental conditions in a 27.6dm³-pot experim ...
DOI:
10.1016/j.chemosphere.2011.07.034
PubMed:
21839490

10. Assessment of Heavy Metal Bioavailability in Contaminated Soils from a Former Mining Area (La Union, Spain) Using a Rhizospheric Test

Author:
Couder, Eléonore,   et al.   ; Lambrechts, Thomas; Bernal, M. Pilar; Faz, Ángel; Iserentant, Anne; Lutts, Stanley;     Show all 6 Authors
Source:
Water, air, and soil pollution 2011 v.217 no.1-4 pp. 333-346
ISSN:
0049-6979
Subject:
Lolium multiflorum; absorption; bioavailability; calcium chloride; concentration of production; heavy metals; mining; nutrition; pH; polluted soils; roots; seedlings; shoots; toxicity; transpiration; water use efficiency; Spain
Abstract:
... A rhizospheric biotest, consisting of a thin layer of substratum in close contact with roots of Lolium multiflorum, was used on two contrasting contaminated soils (Cabezo and Brunita) issued from a former mining area in La Union (Spain). On top of this biotest, soil characterisation, including CaCl2 selective extractions, was performed. Total heavy metal concentrations were the highest in the soil ...
DOI:
10.1007/s11270-010-0591-x

11. Zinc Sorption in Sandy Soils from Central Vietnam as a Function of Soil Characteristics

Author:
Couder, Eléonore,   et al.   ; Verriest, Gaetan; Thai, Hoa Hoang Thi; Bythell, Stephen; Iserentant, Anne; Givron, Claudine; Dufey, Joseph E.;     Show all 7 Authors
Source:
Communications in soil science and plant analysis 2012 v.43 no.6 pp. 887-895
ISSN:
1532-2416
Subject:
calcium chloride; cation exchange capacity; exchangeable calcium; sandy soils; soil sampling; sorption; sorption isotherms; zinc; Vietnam
Abstract:
... Zinc (Zn) sorption curves were established for 11 cultivated sandy soils from central Vietnam. Soil samples (10 g) were equilibrated with 5 mM calcium chloride (CaCl₂) solutions (50 mL) at five zinc chloride (ZnCl₂) concentrations (0 to 80 mg Zn L–¹). The experimental sorption data were fitted with the Freundlich equation. The amounts of Zn sorbed by soil (QZₙ) at different Zn concentrations in th ...
DOI:
10.1080/00103624.2012.653024

12. Turning a plant tissue into a living cell froth through isotropic growth

Author:
Couder, Yves,   et al.   ; Corson, Francis; Hamant, Olivier; Bohn, Steffen; Traas, Jan; Boudaoud, Arezki;     Show all 6 Authors
Source:
Proceedings of the National Academy of Sciences of the United States of America 2009 v.106 no.21 pp. 8453-8458
ISSN:
0027-8424
Subject:
Arabidopsis thaliana; apical meristems; depolymerization; oryzalin; plant growth; cell growth; microtubules; shoot meristems
Abstract:
... The forms resulting from growth processes are highly sensitive to the nature of the driving impetus, and to the local properties of the medium, in particular, its isotropy or anisotropy. In turn, these local properties can be organized by growth. Here, we consider a growing plant tissue, the shoot apical meristem of Arabidopsis thaliana. In plants, the resistance of the cell wall to the growing in ...
DOI:
10.1073/pnas.0812493106
PubMed:
19423667
PubMed Central:
PMC2688973

13. Developmental Patterning by Mechanical Signals in Arabidopsis

Author:
Couder, Yves,   et al.   ; Hamant, Olivier; Heisler, Marcus G.; Jönsson, Henrik; Krupinski, Pawel; Uyttewaal, Magalie; Bokov, Plamen; Corson, Francis; Sahlin, Patrik; Boudaoud, Arezki; Meyerowitz, Elliot M.; Traas, Jan;     Show all 12 Authors
Source:
Science 2008 v.322 no.5908 pp. 1650-1655
ISSN:
0036-8075
Subject:
Arabidopsis; mechanical stress; microtubules; models; morphogenesis; shoots
Abstract:
... A central question in developmental biology is whether and how mechanical forces serve as cues for cellular behavior and thereby regulate morphogenesis. We found that morphogenesis at the Arabidopsis shoot apex depends on the microtubule cytoskeleton, which in turn is regulated by mechanical stress. A combination of experiments and modeling shows that a feedback loop encompassing tissue morphology ...
DOI:
10.1126/science.1165594