karst system
Hydrodynamic organisation of the flows in the unsaturated zone of the Fontaine de Vaucluse karst system. First results
... biggest karst spring in the world with an average outlet discharge of 19 m 3 /s from 1970 to 2006 ...the system is composed of a monoclinal, dipping towards south-west, which is affected by NW-SE and NE-SW ...
13
Hydrochemical characterization of transfers in karst aquifers by natural and anthropogenic tracers. Example of a Mediterranean karst system, the Lez karst aquifer (Southern France).
... to karst systems for assessing more precisely the groundwater ages and residence ...Lez karst system wells should be performed continuously by equipping with CTD divers at least one well of each ...
134
Calibration of a lumped karst system model and application to the Qachqouch karst spring (Lebanon) under climate change conditions
... The delay in the recession period and the fewer water shortage days simulated under the intensified precipitation scenario (scenario 7) are due to the distribution of more in- tense precipitation events at a daily time ...
16
Point Dilution Tracer Test to Assess Slow Groundwater Flow in an Auxiliary Karst System (Lake of Fontaine de Rivîre, Belgium)
... auxiliary karst systems is addressed by using a speci fic point dilution long-term tracer ...auxiliary karst system in the Frasnian limestones of the Ourthe Valley in ...
10
Assessing lateral flows and solute transport during floods in a conduit-flow-dominated karst system using the inverse problem for the advection-diffusion equation
... In most practical applications, the acceleration terms in the Saint-Venant equations can be neglected, and consequently by combining the differential continuity equation and the simplified momentum equation, the ...
20
Inverse modeling of the hydrological and the hydrochemical behavior of hydrosystems: Characterization of Karst System Functioning
... Hydrograph separation into preevent and event waters can- not be performed for Durzon since impulse response of mag- nesium flux is very close to the unit hydrograph because mag- [r] ...
15
Sensitivity analysis of conceptual model calibration to initialisation bias. Application to karst spring discharge models
... Durzon karst system is located in the Grands Causses area in the Southern Massif Central ...Vauclusian karst system is embedded in a 400m thick formation of middle to upper Jurassic limestones ...
29
Atmospheric turbulence triggers pronounced diel pattern in karst carbonate geochemistry
... We designed the model simulations to accord with the conditions of the Mediterranean study area (see Supplement A1.2 Site description and geological context). The weath- ering profile was prescribed as a ten-layer ...
9
Contribution of magnetic resonance soundings for characterizing water storage in the unsaturated zone of karst aquifers
... the karst unsaturated zone The vertical distribution of water content observed in core sam- ples at one site and generalized as a result of MRS prospecting, enabled us to improve conceptual models of water storage ...
14
Flash flood mitigation as a positive consequence of anthropogenic forcing on the groundwater resource in a karst catchment
... large karst system, referred to as the Lez karst aquifer, are the He´rault River to the West and the Vidourle River to the North and East (Drogue ...the karst aquifer outcrops, which ...
17
Karst and urban flood-induced solid discharges in Mediterranean coastal rivers: The case study of Las River (SE France)
... (UR), Karst Overflow (KO) and Management of the dam (M). The capacity of karst flood to yield a large amount of suspended solid relies on the regulation of the water discharge from karst springs ...
23
Neotectonics and current hydrologically-induced karst deformation. Case study of the Plateau de Carlern (Alpes-Maritimes, France)
... For the tilt station, the computation leads to a signal of 4 µrad, which is the same order of magnitude as the short term variations. Conclusion This study establishes that the deformations induced in a karst ...
22
Combining hydraulic model, hydrogeomorphological observations and chemical analyses of surface waters to improve knowledge on karst flash floods genesis
... a karst watershed, the connections between surface and ground waters appear to be complex ...The karst may attenuate surface floods by absorbing water or contribute to the surface flood by direct ...
7
The MEDYCYSS observatory, a Multi scalE observatory of flooD dYnamiCs and hYdrodynamicS in karSt (Mediterranean border Southern France)
... More than 15 karstic events, which can function alternately as sinkholes or springs, have been observed in this hydrosystem. In order to understand the interactions between surface water and groundwater, hydrodynamic ...
10
Polyphased karst systems in sandstones and quartzites of Minas Gerais, Brazil
... The walls of the closed canyons show decimetric to metric alveoli. They are attributed to pedogenetic process and look like basal notches found in numerous carbonated or not-carbonated rocks, as well as alveoli that ...
6
Characterizing a coastal karst aquifer using an inverse modeling approach. The saline springs of Thau, Southern France
... Since spring flow increases after rainfall events Figure 7, the rising water column could be driven, after effective rainfall events, by 1 increased head in the deep reservoir, 2 increas[r] ...
19
Quantifying peakflow attenuation/amplification in a karst river using the diffusive wave model with lateral flow
... Quantifying peakflow attenuation/amplification in a karst river using the diffusive wave model with lateral.. flow3[r] ...
41
Coastal Karst Aquifers in Mediterranean Regions. 2. A Methodology for Exploring, Exploiting and monitoring Submarine Springs
... submarine karst springs with an Autonomous Underwater Vehicle In the necessary exploration phase of the coastal karst aquifers, the submarine springs must be characterised by their location, the outflow ...
12
Knowledge Management System as a Sociotechnical System
... KM System (KMS) KM becomes a reality in the implementation of a system, which is, paraphrasing Joel de Rosnay (de Rosnay, 1975): “A set of components in dynamic interaction organized according to a ...
11
Assessing submarine groundwater discharge (SGD) and nitrate fluxes in highly heterogeneous coastal karst aquifers: Challenges and solutions
... Samples collected in the conglomerate section from coastal springs Barranco Maro,. 671[r] ...
95