[PDF] Top 20 Gas diffusivity and permeability through the firn column at Summit, Greenland: measurements and comparison to microstructural properties
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Gas diffusivity and permeability through the firn column at Summit, Greenland: measurements and comparison to microstructural properties
... Abstract. The physical structure of polar firn plays a key role in the mechanisms by which glaciers and ice sheets pre- serve a natural archive of past atmospheric ...presents the first ... See full document
10
Comparison of UV irradiance measurements at Summit, Greenland; Barrow, Alaska; and South Pole, Antarctica
... observed at SUM and SPO are representative for the Greenland ice cap and Antarctic ...generalized to other locations on the polar plains. Extrapolation to coastal ... See full document
12
The impact of ice layers on gas transport through firn at the North Greenland Eemian Ice Drilling (NEEM) site, Greenland
... in the dry snow region of polar ice sheets, including the widespread events observed on the Greenland ice sheet in 1889 (Keegan et ...2014) and 2012 (Nghiem et al., 2012, Bennartz et ... See full document
6
Electrical parameters and water permeability properties of monolayers formed by T84 cells cultured on permeable supports
... is the lipid bilayer itself (5), or specific water channels called aquaporins ...In the present study, water fluxes and electrical parameters were measured in T84 monolayers, a cell line derived from ... See full document
8
Multidisciplinary characterisation of sedimentary processes in a recent maar lake (Lake Pavin, French Massif Central) and implication for natural hazards
... profiling and multibeam bathymetry in Lake Pavin allowed optimising the location of PAV08 coring site on a small sub-aquatic ...sediments at the base of this core just above Pavin crater ... See full document
13
Effect of water glass modification with nanoparticles of zinc oxide on selected physical and chemical properties of binder and mechanical properties of sand mixture
... fields. The basic methods for their preparation are the top- down and bottom-up ...techniques. The essence of the top-down technique consists in grinding the material to ... See full document
4
Snow accumulation and compaction derived from GPR data near Ross Island, Antarctica
... in the snow stratigraphy acquired via simple glaciological tools and visible ...pit and radar observations are quite common (Harper and Bradford, 2003) and are due to the ... See full document
39
Controls on the movement and composition of firn air at the West Antarctic Ice Sheet Divide
... of the species analyzed and the responsible institutions are given in Table ...collected through Dekoron TM tubing using a Metal Bellows MB-158 pump (Senior Aerospace, Sharon MA), with a ... See full document
43
ASPECTS REGARDING THE METHODS OF SOIL AERATION
... gradients and is thus affected by soil water content, wind, and changes in barometric ...affecting the pressure of soil air are the penetrations of water during infiltration, causing ... See full document
6
Cerâmica vol.59 número351 a02v59n351
... as the binder, humidiied with 23 ...sintering and crystallization. After matrix crystallization, the densiication was increased by reducing the glassy phase viscosity while increasing ... See full document
9
Development and validation of a portable gas phase standard generation and calibration system for volatile organic compounds
... conversion to CO 2 and nondispersive infrared (NDIR) sensor analysis has long been used for analysis of a range of environmental samples ranging from natural waters to bulk collected aerosol ...(TOC) ... See full document
25
MICROSTRUCTURAL AND RHEOLOGICAL PROPERTIES OF IRRADIATED RICE
... report the interference of gamma irradiation on the technological properties of rice, such as Sirisoontaralak and Noomhorm (2006), who observed that irradiation of aromatic rice caused a ... See full document
7
Determination of microstructure and mechanical properties of aluminium boron carbide using friction stir machining process
... of the 6000 series are known to have good formidability, weldability and high strength-to-weight ...constituted the highest volume of Al extruded product and been widely used for ... See full document
10
Incentive theory for the transition from Atlantic slave plantations to firms and labor markets Steve De Castro
... rights at the transition from slavery to free labor in Brazil, the US South, Jamaica, among others, were often followed by stagnation and even falls in GDP per ...for the higher ... See full document
22
Access to Long-Term Credit and Productivity of Small and Medium Firms: A Causal Evidence Tiago Cavalcanti Paulo Henrique Vaz
... of the subsidy on borrowing rates depends on the firm size in terms of gross operating revenue but firms’ classification changed over ...1997 to 2002, all firms with revenues between R$6 millions ... See full document
12
Heat sources within the Greenland Ice Sheet: dissipation, temperate paleo-firn and cryo-hydrologic warming
... thermal properties in the same area (Phillips et ...rates, and is causing the increasing flow veloci- ties observed at the ...surface. The main difference in modeling ... See full document
9
Spatially extensive estimates in annual accumulation in the dry zone of the Greenland Ice Sheet inferred from radar altimetry
... with the 0.61 m.w.e. measured in the field (Helm et ...from the assumption that each layer delimits exactly one annual accumulation ...reality, the snow density changes that cause radar ... See full document
20
Rev. IBRACON Estrut. Mater. vol.7 número4
... is the second most consumed product in the world and the incorporation of agro-industrial waste to this material, such as Sugar Cane Bagasse Ash (SBA) , can provide solutions for ... See full document
11
Influence of application of Hottel’s zonal model and six-flux model of thermal radiation on numerical simulations results of pulverized coal fired furnace
... whereas the other numerical simulation has contained six-flux ...identical. The influence of radiation models has been examined through comparison of selected variables (gas-phase ... See full document
12
Structural and microstructural properties of Cu-doped manganites.
... STRUCTURAL AND MICROSTRUCTURAL PROPERTIES OF Cu-DOPED ...data and analysis of scanning electron microscopy images. It is found that the structure remains rhombohedral through ... See full document
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