Results 101 to 110 of about 934,243 (233)

Impact of spatial averaging on radar reflectivity at internal snowpack layer boundaries

Journal of Glaciology, 2016
Microwave radar amplitude within a snowpack can be strongly influenced by spatial variability of internal layer boundaries. We quantify the impact of spatial averaging of snow stratigraphy and physical snowpack properties on surface scattering from near ...
N. RUTTER, H.-P. MARSHALL, K. TAPE, R. ESSERY, J. KING   +4 more
doaj   +1 more source

A Thermodynamic Framework for Turing‐Type Instabilities in Porous Media: Part I Theory

Geochemistry, Geophysics, Geosystems, Volume 27, Issue 3, March 2026.
Abstract Pattern formation in geological materials is commonly described using analogies to Turing‐type reaction–diffusion systems, yet a unifying thermodynamic explanation remains elusive. Here we develop a multiscale, thermodynamically consistent framework for pattern‐forming instabilities in porous media undergoing coupled thermo–hydro–mechanical ...
Klaus Regenauer‐Lieb, Manman Hu, Qingpei Sun, Chong Liu, Zhennan Zhu, Victor Calo   +5 more
wiley   +1 more source

Numerical simulation of clouds and precipitation depending on different relationships between aerosol and cloud droplet spectral dispersion [PDF]

, 2013
The aerosol effects on clouds and precipitation in deep convective cloud systems are investigated using the Weather Research and Forecast (WRF) model with the Morrison two-moment bulk microphysics scheme.
Li, Xinzhou, Liu, Xiaodong, Peng, Yiran, Wang, Yi, Xie, Xiaoning, Yue, Zhiguo   +5 more
core   +2 more sources

Why Firn Quakes

Geophysical Research Letters, Volume 53, Issue 4, 28 February 2026.
Abstract Snow dampens sounds, but anecdotal reports concisely describe audible propagating collapse events—firnquakes—in Antarctic and Arctic snowfields. We propose combining granular and continuum mechanics to form a testable theory for conditioning, triggering, and propagation of firnquakes consistent with scarce data.
A. Voigtländer, B. Gee
wiley   +1 more source

Spectral measurements of surface hoar crystals

Journal of Glaciology, 2017
Surface hoar crystals are common on the surface of mountain snow covers. Once buried, layers of large plate-shaped surface hoar crystals are prone to releasing dangerous snow-slab avalanches. Since snow microstructure influences the optical properties of
SIMON HORTON, BRUCE JAMIESON
doaj   +1 more source

Tri-Frequency Synthetic Aperture Radar for the Measurements of Snow Water Equivalent [PDF]

SWESARR (Snow Water Equivalent Synthetic Aperture Radar and Radiometer) is an airborne instrument developed at the NASA Goddard Space Flight Center for the retrieval of Snow Water Equivalent. SWESARR was specifically designed to measure co-located active
Bonds, Quenton, Brucker, Ludovic, Kielbasa, Chase, Osmanoglu, Batuhan, Perrine, Martin, Racette, Paul, Rincon, Rafael, Seufert, Steve   +7 more
core   +1 more source

Functional Materials for Environmental Energy Harvesting in Smart Agriculture via Triboelectric Nanogenerators

Advanced Functional Materials, Volume 36, Issue 13, 12 February 2026.
This review explores functional and responsive materials for triboelectric nanogenerators (TENGs) in sustainable smart agriculture. It examines how particulate contamination and dirt affect charge transfer and efficiency. Environmental challenges and strategies to enhance durability and responsiveness are outlined, including active functional layers ...
Rafael R. A. Silva, Giulio Fatti, Emanuel Carlos, Guilherme Ferreira, Sumita Goswami, Suman Nandy, Luiz H. C. Mattoso, Elvira Fortunato, Caio G. Otoni, Rodrigo Martins   +9 more
wiley   +1 more source

On the compressive strength of weak snow layers of depth hoar

Journal of Glaciology
We determined the compressive strength of weak layers of faceted crystals and depth hoar using artificially grown samples with a wide range of microstructural morphologies in a cold laboratory setup.
Jakob Schöttner, Melin Walet, Philipp Rosendahl, Philipp Weissgraeber, Valentin Adam, Benjamin Walter, Florian Rheinschmidt, Henning Löwe, Jürg Schweizer, Alec van Herwijnen   +9 more
doaj   +1 more source

Collapsing granular suspensions

, 2009
A 2D contact dynamics model is proposed as a microscopic description of a collapsing suspension/soil to capture the essential physical processes underlying the dynamics of generation and collapse of the system.
A. Danin, A. Khaldoun, A. Taboada, C.R.I. Clayton, D. Kadau, D. Kadau, D. Kadau, D. Lohse, G. Bartels, G. Caballero, H. J. Herrmann, J. Heierli, J. S. Andrade, J.K. Mitchell, J.R. Royer, L. Brendel, M. Jean, R. Albert, S. Manley, T. Ayadat, T. Unger, W.R. Parker, Y. Noh, Y.M. Reznik   +23 more
core   +1 more source

Mycoponics: Controlled Bioproduction Utilizing Biophysical, Solid‐State, Liquid Nutrient Delivery

Biotechnology Journal, Volume 21, Issue 2, February 2026.
Graphical Abstract and Lay Summary Mycoponic biotechnology, inspired by hydroponics—is enabled by antimicrobial ceramics as “substrate,” using a complete mycoponic media for continuous bioproduction of mycelial and mushroom products. Applications include food, mycoleather, and mycopharmaceuticals, representing 18% of the global market.
D. Marshall Porterfield, Simone X. Moulton, Adriana K. Sanchez, Anna Sorg, Tayla Koenig, M. Shane Terrell, Sigrid Zahner, Alex Baena, Caitlin Proctor, Richard J. Barker   +9 more
wiley   +1 more source