The system H2O–NaCl. Part I: Correlation formulae for phase relations in temperature–pressure–composition space from 0 to 1000°C, 0 to 5000bar, and 0 to 1 XNaCl

Driesner, Thomas; Heinrich, Christoph A.

doi:10.1016/j.gca.2006.01.033

Cited by 649 publications

(428 citation statements)

References 113 publications

(216 reference statements)

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“…In the SEM micrographs (Fig. 1 -b2, c2, d1, d2 and d3), the salts were crystallized as a cubic system, which is well known as the NaCl system (Driesner and Heinrich, 2007). This hypothesis of ion exclusion is corroborated with an EDX microanalysis (Tab.…”

Section: Resultssupporting

confidence: 65%

Tolerancia a la salinidad de <i>Passiflora tarminiana</i> Coppens & Barney

Salazar

Silva

Ceballos-Aguirre

et al. 2018

Rev. Colomb. Cienc. Hortic.

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Passiflora tarminiana es una glicofita trepadora, nativa de la región andina que tiene tolerancia a la salinidad y estrés hídrico moderado. El objetivo de este estudio fue evaluar la capacidad para la excreción de sodio como una posible estrategia de esta especie para la tolerancia a la salinidad y a la sequía. La excreción de sal y las concentraciones de iones excretados se examinaron en plantas cultivadas durante siete meses bajo varios niveles de salinidad [(NaCl) 2,5; 4,0 y 5,5 dS m-1 (25, 40 y 55 mM)] y de estrés hídrico moderado (33 y 100% de humedad en el sustrato). El experimento fue llevado a cabo en un diseño completamente al azar con un arreglo de parcelas subdivididas, donde la parcela constituye el porcentaje de saturación de agua (33 y 100%), la subparcela los niveles de saturación de sal (CE: 2,5; 4,0 y 5,5 dS m-1), con cinco repeticiones, y la unidad experimental compuesta por una planta. Se evaluaron los cristales de sal y las estructuras de la epidermis foliar. Las sales fueron excretadas en la superficie adaxial de la hoja, posiblemente debido a las glándulas secretoras de sal especializadas. Se observaron otras estructuras como tricomas y papilas, que se cree que también están implicadas en la tolerancia a la salinidad en P. tarminiana.

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Section: Resultssupporting

confidence: 65%

Tolerancia a la salinidad de <i>Passiflora tarminiana</i> Coppens & Barney

Salazar

Silva

Ceballos-Aguirre

et al. 2018

Rev. Colomb. Cienc. Hortic.

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“…The corresponding critical temperature and pressure of a NaCl solution with the same chlorinity are $400 C and $2:9310 4 kPa, respectively [Driesner and Heinrich, 2007]. The critical pressure corresponds to approximately 700 m beneath the MEF, which is thus assumed to be the primary depth at which the subsurface mixing occurs.…”

Section: Coupled Tidal Oscillations Of Temperature and Chlorinity Fromentioning

confidence: 99%

A preliminary 1‐D model investigation of tidal variations of temperature and chlorinity at the Grotto mound, Endeavour Segment, Juan de Fuca Ridge

Larson

Bemis

et al. 2017

Geochem Geophys Geosyst

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Tidal oscillations of venting temperature and chlorinity have been observed in the long-term time series data recorded by the Benthic and Resistivity Sensors (BARS) at the Grotto mound on the Juan de Fuca Ridge. In this study, we use a one-dimensional two-layer poroelastic model to conduct a preliminary investigation of three hypothetical scenarios in which seafloor tidal loading can modulate the venting temperature and chlorinity at Grotto through the mechanisms of subsurface tidal mixing and/or subsurface tidal pumping. For the first scenario, our results demonstrate that it is unlikely for subsurface tidal mixing to cause coupled tidal oscillations in venting temperature and chlorinity of the observed amplitudes. For the second scenario, the model results suggest that it is plausible that the tidal oscillations in venting temperature and chlorinity are decoupled with the former caused by subsurface tidal pumping and the latter caused by subsurface tidal mixing, although the mixing depth is not well constrained. For the third scenario, our results suggest that it is plausible for subsurface tidal pumping to cause coupled tidal oscillations in venting temperature and chlorinity. In this case, the observed tidal phase lag between venting temperature and chlorinity is close to the poroelastic model prediction if brine storage occurs throughout the upflow zone under the premise that layers 2A and 2B have similar crustal permeabilities. However, the predicted phase lag is poorly constrained if brine storage is limited to layer 2B as would be expected when its crustal permeability is much smaller than that of layer 2A.

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“…• C at 100 • C and 1 bar for 1500 ppm NaCl, Driesner and Heinrich, 2007) and therefore neglected in the following.…”

Section: Second Dts Logging Campaign: Flow Testmentioning

confidence: 99%

Thermal, mechanical and chemical influences on the performance of optical fibres for distributed temperature sensing in a hot geothermal well

Reinsch

Henninges

Ásmundsson³

2013

Environ Earth Sci

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Structural wellbore integrity is an important issue for a sustainable provision of geothermal energy. Raman scattering based fiber optic distributed temperature sensing (DTS) can help to monitor the status of a well and therefore help to optimize expensive work-over activities. This study reports on the installation of a fibre optic cable in the cemented annulus behind the anchor casing in the high temperature geothermal well HE-53, Hellisheiði geothermal field, SW Iceland. Although the cable has been damaged during the installation, temperature data could be acquired during the entire length of installation down to 261.3 m. Temperature measurements were performed during the installation in spring 2009, during the onset of a flow test in summer 2009 and after a 8.5 month shut-in period in summer 2010. During the flow test, maximum temperatures of 230• C were measured after two weeks fluid production. Using optical time domain reflectometry (OTDR), attenuation measurements at 850 and 1300 nm enabled to identify mechanical, thermal, and chemical degradation along the optical fibre. The observed degradation led to erroneous temperature readings and limits, due to the optical budget of the DTS system, the accessible length of the fibre. The characteristics and the influence of the different degradation mechanisms on the accuracy of the DTS measurements are discussed and recommendations for an optimized installation are given.

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The system H2O–NaCl. Part I: Correlation formulae for phase relations in temperature–pressure–composition space from 0 to 1000°C, 0 to 5000bar, and 0 to 1 XNaCl

Cited by 649 publications

References 113 publications

Tolerancia a la salinidad de <i>Passiflora tarminiana</i> Coppens & Barney

Tolerancia a la salinidad de <i>Passiflora tarminiana</i> Coppens & Barney

A preliminary 1‐D model investigation of tidal variations of temperature and chlorinity at the Grotto mound, Endeavour Segment, Juan de Fuca Ridge

Thermal, mechanical and chemical influences on the performance of optical fibres for distributed temperature sensing in a hot geothermal well

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