Incidence, clinical characteristics and one-year outcomes of peripartum cardiomyopathy in Reunion Island

Abstract. Spectral measurements of BrO using zenith-sky and off-axis viewing geometries are combined in a linear multiple regression retrieval algorithm to provide stratospheric and tropospheric BrO vertical columns. One year of measurement data are investigated over Reunion-Island (20.9° S, 55.5° E), from July 2004 to July 2005. No seasonal variations of the retrieved BrO columns could be observed, in line with previous studies. A comparison between the stratospheric columns retrieved at 45°, 80°, 85°, 87.5° and 92.5° solar zenith angles and photochemical simulations initialized by chemical fields from the 3-D-CTM SLIMCAT and further constrained by observed NO2 profiles shows a good agreement only by considering a contribution from the very short-lived organic bromine substances to the stratospheric inorganic bromine budget, of 6 to 8 pptv. Furthermore, stratospheric BrO profiles retrieved from late twilight zenith-sky observations are consistent with a total inorganic bromine (Bry) loading of approximately 23 pptv. This represents 6 to 7 pptv more than can be supplied by long-lived organic bromine sources, and therefore supports an added contribution from very short-lived organic bromine substances as recently suggested in several other studies. Moreover strong evidences are presented for the existence of a substantial amount of BrO in the tropical free-troposphere, around 6 km altitude, possibly supplied by the decomposition of short-lived biogenic bromine organic compounds. Tropospheric BrO vertical columns of 1.1±0.45×1013 molec/cm2 are derived for the entire observation period. Comparisons between ground-based BrO vertical columns and total BrO columns derived from SCIAMACHY (onboard the ENVISAT satellite) nadir observations in a latitudinal band centered around 21° S present a good level of consistency, which further strengthens the conclusions of our study.

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Clinical characteristics of spectrum of GNE gene mutations in Reunion-Island cohort.

Neuromuscular Disorders ◽

10.1016/j.nmd.2017.06.203 ◽

2017 ◽

Vol 27 ◽

pp. S148-S149

Author(s):

I. Grigorashvili-Coin ◽

M. Campech ◽

F. Darcel ◽

M. Jacquemont ◽

M. Kranh ◽

...

Keyword(s):

Clinical Characteristics ◽

Gene Mutations ◽

Reunion Island ◽

Réunion Island ◽

Gne Gene

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Retrieval of stratospheric and tropospheric BrO columns from multi-axis DOAS measurements at Reunion Island (21° S, 56° E)

Atmospheric Chemistry and Physics ◽

10.5194/acp-7-4733-2007 ◽

2007 ◽

Vol 7 (18) ◽

pp. 4733-4749 ◽

Cited By ~ 76

Author(s):

N. Theys ◽

M. Van Roozendael ◽

F. Hendrick ◽

C. Fayt ◽

C. Hermans ◽

...

Keyword(s):

Measurement Data ◽

Retrieval Algorithm ◽

Reunion Island ◽

Spectral Measurements ◽

Réunion Island ◽

One Year ◽

Chemical Fields ◽

Latitudinal Band ◽

Observation Period ◽

Good Agreement

Abstract. Spectral measurements of BrO using zenith-sky and off-axis viewing geometries are combined in a linear multiple regression retrieval algorithm to provide stratospheric and tropospheric BrO vertical columns. One year of measurement data are investigated over Reunion-Island (20.9° S, 55.5° E), from August 2004 to June 2005. A comparison between the stratospheric columns retrieved at 45°, 80°, 85°, 87.5° and 92.5° solar zenith angles and photochemical simulations initialized by chemical fields from the 3-D-CTM SLIMCAT and further constrained by observed NO2 profiles shows a good agreement only by considering a contribution from the very short-lived organic bromine substances to the stratospheric inorganic bromine budget, of 6 to 8 pptv. Furthermore, stratospheric BrO profiles retrieved from late twilight zenith-sky observations are consistent with a total inorganic bromine (Bry) loading of approximately 23 pptv. This represents 6 to 7 pptv more than can be supplied by long-lived organic bromine sources, and therefore supports an added contribution from very short-lived organic bromine substances as recently suggested in several other studies. Moreover strong evidences are presented for the existence of a substantial amount of BrO in the tropical free-troposphere, around 6 km altitude, possibly supplied by the decomposition of short-lived biogenic bromine organic compounds. Tropospheric BrO vertical columns of 1.1±0.45×1013 molec/cm² are derived for the entire observation period. Comparisons between ground-based BrO vertical columns and total BrO columns derived from SCIAMACHY (onboard the ENVISAT satellite) nadir observations in a latitudinal band centered around 21° S present a good level of consistency, which further strengthens the conclusions of our study.

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Long-range isentropic transport of stratospheric aerosols over Southern Hemisphere following the Calbuco eruption in April 2015

10.5194/acp-2017-544 ◽

2017 ◽

Cited By ~ 1

Author(s):

Nelson Bègue ◽

Damien Vignelles ◽

Gwenaël Berthet ◽

Thierry Portafaix ◽

Guillaume Payen ◽

...

Keyword(s):

Southern Hemisphere ◽

Transient Behavior ◽

Stratospheric Aerosol ◽

Aerosol Layer ◽

Reunion Island ◽

Volcanic Aerosol ◽

Réunion Island ◽

One Year ◽

The Impact ◽

Aerosol Plume

Abstract. After 43 years of inactivity, the Calbuco volcano which is located in the southern part of Chile erupted on 22 April 2015. The space-time evolutions (distribution and transport) of its aerosol plume are investigated by combining satellite (CALIOP, IASI, OMPS), in situ aerosol counting (LOAC OPC) and lidar observations, and the MIMOSA advection model. The Calbuco aerosol plume reached the Indian Ocean 1 week after the eruption. Over the Reunion Island site (21° S; 55.5° E), the aerosol signal was unambiguously enhanced in comparison with "background" conditions with a volcanic aerosol layer extending from 18 km to 21 km during the May–July period. All the data reveal an increase by a factor of ~ 2 in the SAOD (Stratospheric Aerosol Optical Depth) with respect to values observed before the eruption. The aerosol e-folding time is approximately 90 days. Microphysical measurements obtained before, during and after the eruption reflecting the impact of the Calbuco eruption on the lower stratospheric aerosol content have been analyzed over Reunion site. During the passage of the plume, the volcanic aerosol was characterized by an effective radius of 0.16 ± 0.02 µm with an unimodal lognormal size distribution and the aerosol number concentration appears 20 times higher than before and one year after the eruption. A tendency toward "background" conditions has been observed about one year after the eruption, by April 2016. The volcanic aerosol plume is advected eastward in the Southern Hemisphere and its latitudinal extent is clearly bounded by the subtropical barrier and the polar vortex. The transient behavior of the aerosol layers observed above Reunion Island between May and July 2015 reflects an inhomogeneous geographical distribution of the plume which is controlled by the latitudinal motion of these dynamical barriers.

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A one year prevalence study of schizophrenia on Reunion Island

European Psychiatry ◽

10.1016/s0924-9338(97)84787-6 ◽

1997 ◽

Vol 12 (6) ◽

pp. 284-288 ◽

Cited By ~ 5

Author(s):

M Jay ◽

P Gorwood ◽

J Feingold ◽

M Leboyer

Keyword(s):

Prevalence Study ◽

Limited Area ◽

Reunion Island ◽

High Prevalence ◽

Range Difference ◽

Réunion Island ◽

The Indian Ocean ◽

Highly Correlated ◽

One Year ◽

Low Prevalence

SummaryReview of geographical comparisons of the prevalence of schizophrenic disorders found a ten-fold range difference between geographical contiguous groups, with high and low prevalence pockets. We performed a 1-year prevalence study of schizophrenia in a limited area of Reunion Island in the Indian Ocean, and analysed the prevalence variability in contiguous regions of this area. We found one of the highest reported age-corrected (above 15 years) 1-year prevalence of schizophrenia (14.9 per thousand). Large discrepancies in the distribution of prevalence rates of schizophrenia were observed between the five towns analysed. Interestingly, when a higher prevalence was observed, it was highly correlated with an increase of the percentage of familial cases (r = 0.989, df = 3, P = 0.0014). Presence of founder effect often described in geographical isolates could explain the high prevalence rate and the heterogeneity between towns observed in our sample.

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The Construction of a Zero Energy Building in Reunion Island: Presentations of a New Approach to the Design Studies

Advanced Energy Systems ◽

10.1115/imece2006-16108 ◽

2006 ◽

Cited By ~ 1

Author(s):

Franc¸ois Garde ◽

A. Bastide ◽

D. Bentaleb ◽

E. Ottenwelter

Keyword(s):

Architectural Design ◽

Electrical Energy ◽

Thermal Design ◽

Reunion Island ◽

Solar Panels ◽

Zero Energy ◽

Planning Stage ◽

Building Systems ◽

Réunion Island ◽

One Year

This paper presents a zero energy project -ie ZEN applied to a university building in Reunion Island. The construction work will begin in September 2006 and will last one year. The aim is to create a building which uses half the energy of a standard building. The methodology was conceived to meet requirements defined during the thermal design and building systems planning stage. Innovations relating to architectural design, building systems performance and numerical simulation are presented. Solar panels integrated into the roofing provide sufficient electrical energy for the building to produce more energy than it uses.

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