Results 91 to 100 of about 54,423 (197)
Floods are one of the most critical environmental threats in Central Europe. We show the importance of geomorphological records from Ahr flood deposits for reconstructing past high‐magnitude flood events. Our chemolithostratigraphical analysis shows that centennial to millennial scale high‐energy flooding is not the exception but the rule in the Ahr ...
Christoph Zielhofer +9 more
wiley +1 more source
Double layers in the downward current region of the aurora [PDF]
Direct observations of magnetic-field-aligned (parallel) electric fields in the downward current region of the aurora provide decisive evidence of naturally occurring double layers.
R. E. Ergun +5 more
doaj
Cosmology and Science Education: Problems and Promises
Cosmology differs in some respects significantly from other sciences, primarily because of its intimate association with issues of a conceptual and philosophical nature.
Kragh, Helge
core
Gamma Hadron Separation using Pairwise Compactness Method with HAWC
The High-Altitude Water Cherenkov (HAWC) Observatory is a ground based air-shower array deployed on the slopes of Volcan Sierra Negra in the state of Puebla, Mexico.
Hampel-Arias, Zigfried +1 more
core +1 more source
A process‐informed machine learning approach, which included dynamic and static earth observation data and trained on in situ data from the United Kingdom, was capable of reproducing measured in situ values from locations not included in the model training. The model was then employed to derive daily, gridded estimates of soil moisture for Ireland. The
Rowan Fealy +4 more
wiley +1 more source
ABSTRACT The aim of this work is to study a variety of glacial, periglacial and paraglacial features found in a small cirque, Fremri‐Grasárdalur, in Tröllaskagi (Northern Iceland). We implement a multidisciplinary approach combining high‐resolution geomorphological mapping, horizontal/vertical boulder displacement (from 1994 to 2019) and surface ...
Javier Santos‐González +13 more
wiley +1 more source
Simulation of Near Horizontal Muons and Muon Bundles for the HAWC Observatory with CORSIKA
The HAWC (High Altitude Water Cerenkov) gamma ray observatory observes muons with nearly-horizontal trajectories corresponding to zenith angles greater than $80^{0}$. HAWC is located at an altitude of 4100 meters a.s.l. (70 deg. atmospheric depth of 2400
Barber, Ahron S. +2 more
core +1 more source
Uncertainty Propagation From Radio Occultation Profiles to Aggregated Atmospheric Gridded Fields
Abstract Radio occultation is a well‐established remote sensing method that provides reliable estimates of atmospheric profiles of diverse variables, including temperature and pressure. However, as with all indirect methods, radio occultation has some inherent systematic and random error effects, which lead to observational uncertainties.
S. Scher +4 more
wiley +1 more source
Cosmic rays, interplanetary magnetic fields and plasma research Semiannual status report, 1 Apr. - 30 Sep. 1970 [PDF]
Astrophysical aspects of cosmic radiation, and radiation environment of ...
core +1 more source
Superdiffusion of Cosmic Rays: Implications for Cosmic Ray Acceleration
Diffusion of cosmic rays (CRs) is the key process of understanding their propagation and acceleration. We employ the description of spatial separation of magnetic field lines in MHD turbulence in Lazarian & Vishniac (1999) to quantify the divergence of ...
Lazarian, A., Yan, Huirong
core +2 more sources

