Correction to “Deformation properties of subfreezing glacier ice: Role of crystal size, chemical impurities, and rock particles inferred from in situ measurements” by K. M. Cuffey, H. Conway, A. Gades, B. Hallet, C. F. Raymond, and S. Whitlow

2001 ◽  
Vol 106 (B8) ◽  
pp. 16251-16251 ◽  
Author(s):  
K. M. Cuffey ◽  
H. Conway ◽  
A. Gades ◽  
B. Hallet ◽  
C. F. Raymond ◽  
...  
Keyword(s):  
Crystal Size ◽  
In Situ Measurements ◽  
Chemical Impurities ◽  
Deformation Properties ◽  
Glacier Ice

In situ measurements constraining the role of sulphate aerosols in mid-latitude ozone depletion

Nature ◽  
1993 ◽  
Vol 363 (6429) ◽  
pp. 509-514 ◽  
Author(s):  
D. W. Fahey ◽  
S. R. Kawa ◽  
E. L. Woodbridge ◽  
P. Tin ◽  
J. C. Wilson ◽  
...  
Keyword(s):  
Ozone Depletion ◽  
In Situ Measurements ◽  
Sulphate Aerosols

scholarly journals In Situ IR Characterization of CO Interacting with Rh Nanoparticles Obtained by Calcination and Reduction of Hydrotalcite-Type Precursors

2011 ◽  
Vol 2011 ◽  
pp. 1-8 ◽  
Author(s):  
F. Basile ◽  
I. Bersani ◽  
P. Del Gallo ◽  
S. Fiorilli ◽  
G. Fornasari ◽  
...  
Keyword(s):  
Crystal Size ◽  
Liquid Nitrogen Temperature ◽  
Transmission Electron ◽  
In Situ Ir ◽  
Ft Ir ◽  
Co Disproportionation ◽  
Ft Ir Spectroscopy

Supported Rh nanoparticles obtained by reduction in hydrogen of severely calcined Rh/Mg/Al hydrotalcite-type (HT) phases have been characterized by FT-IR spectroscopy of adsorbed CO [both at room temperature (r.t.) and nominal liquid nitrogen temperature] and Transmission Electron Microscopy (TEM). The effect of reducing temperature has been investigated, showing that Rh crystal size increases from 1.4 nm to 1.8 nm when the reduction temperature increases from 750°C to 950°C. The crystal growth favours the formation of bridged CO species and linear monocarbonyl species with respect to gem-dicarbonyl species; when CO adsorbs at r.t., CO disproportionation occurs on Rh and it accompanies the formation of RhI(CO)2. The role of interlayer anions in the HT precursors to affect the properties of the final materials has been also investigated considering samples prepared from silicate-instead of carbonate-containing precursors. In this case, formation of RhI(CO)2 and CO disproportionation do not occur, and this evidence is discussed in terms of support effect.

scholarly journals Observing cirrus halos to constrain in-situ measurements of ice crystal size

2007 ◽  
Vol 7 (1) ◽  
pp. 1295-1325 ◽  
Author(s):  
T. J. Garrett ◽  
M. B. Kimball ◽  
G. G. Mace ◽  
D. G. Baumgardner
Keyword(s):  
Crystal Size ◽  
In Situ Measurements ◽  
Ice Crystals ◽  
Ice Crystal ◽  
Optical Extinction ◽  
Airborne Measurements ◽  
Ice Cloud ◽  
Ice Crystal Size ◽  
High Concentrations

Abstract. In this study, characteristic optical sizes of ice crystals in synoptic cirrus are determined using airborne measurements of ice crystal size distributions, optical extinction and water content. The measurements are compared with coincident visual observations of ice cloud optical phenomena, in particular the 22° and 46° halos. In general, the scattering profiles derived from the in-situ cloud probe measurements are consistent with the observed halo characteristics. It is argued that this implies that the measured ice crystals were small, probably with characteristic optical radii between 10 and 20 μm. There is a current contention that in-situ measurements of high concentrations of small ice crystals reflect artifacts from the shattering of large ice crystals on instrument inlets. Significant shattering cannot be entirely excluded using this approximate technique, but it is not indicated. On the basis of the in-situ measurements, a parameterization is provided that relates the optical effective radius of ice crystals to the temperature in mid-latitude synoptic cirrus.

scholarly journals The role of in-situ measurements of volcanic ash concentrations in preventing economic disasters due to volcanic ash clouds

2014 ◽  
Vol 4 (1) ◽  
pp. 48-60 ◽  
Author(s):  
Jonas Eliasson ◽  
◽  
Nario Yasuda ◽  
Konradin Weber ◽  
Andreas Vogel ◽  
...  
Keyword(s):  
Volcanic Ash ◽  
In Situ Measurements

scholarly journals The role of oxygen in submergence-induced petiole elongation in Rumex palustris: in situ measurements of oxygen in petioles of intact plants using micro-electrodes

2000 ◽  
Vol 147 (3) ◽  
pp. 497-504 ◽  
Author(s):  
J. G. H. M. RIJNDERS ◽  
W. ARMSTRONG ◽  
M. J. DARWENT ◽  
C. W. P. M. BLOM ◽  
L. A. C. J. VOESENEK
Keyword(s):  
In Situ Measurements ◽  
Intact Plants ◽  
Petiole Elongation

scholarly journals Role of crystal size on swing-effect and adsorption induced structure transition of ZIF-8

2016 ◽  
Vol 45 (16) ◽  
pp. 6893-6900 ◽  
Author(s):  
Tian Tian ◽  
Michael T. Wharmby ◽  
José B. Parra ◽  
Conchi O. Ania ◽  
David Fairen-Jimenez
Keyword(s):  
Particle Size ◽  
Crystal Size ◽  
Gas Adsorption ◽  
Rietveld Analysis ◽  
Structure Transition ◽  
First Time ◽  
Induced Structure ◽  
Transition Behaviour

The flexibility and structure transition behaviour of ZIF-8 in a series of samples with different particle size has been studied using a combination of high-resolution N2 gas adsorption isotherms and, for the first time, a broad in situ PXRD and Rietveld analysis.

scholarly journals The role of sulfur dioxide in stratospheric aerosol formation evaluated by using in situ measurements in the tropical lower stratosphere

2017 ◽  
Vol 44 (9) ◽  
pp. 4280-4286 ◽  
Author(s):  
A. W. Rollins ◽  
T. D. Thornberry ◽  
L. A. Watts ◽  
P. Yu ◽  
K. H. Rosenlof ◽  
...  
Keyword(s):  
Sulfur Dioxide ◽  
Lower Stratosphere ◽  
Stratospheric Aerosol ◽  
In Situ Measurements ◽  
Aerosol Formation
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