Results 81 to 90 of about 82,273 (326)
A Tool for Prioritizing Gravel Augmentation Reaches for Sediment Starved Rivers
River Research and Applications, EarlyView.ABSTRACT Gravel augmentation is a widely used restoration technique used to improve habitat below dams, including salmonids spawning habitat. However, gravel augmentation can be cost‐prohibitive, and it is often unclear which stream segments have the highest potential to benefit spawning salmonids.
Patricia J. Wohner +2 more
wiley +1 more source
Accurate Mapping and Evaluation of Small Impact Craters within the Lunar Landing Area
Remote SensingImpact craters, as the most distinct lunar structural unit and geological structure, are marked on the Moon’s surface. For over a decade, researchers have focused on identifying and exploring large- to medium-sized impact craters on the surface of the ...
Chen Yang +4 more
doaj +1 more source
Crater morphology and morphometry on the Uranian satellites [PDF]
Fresh craters on the icy Uranian satellites exhibit a range of morphologies similar to craters on the icy satellites of Jupiter and Saturn. The general structural features found in the craters are described.
Croft, Steven K.
core +1 more source
Cratering Experiments on the Self Armoring of Coarse-Grained Granular Targets
, 2012 Recently published crater statistics on the small asteroids 25143 Itokawa and 433 Eros show a significant depletion of craters below approx. 100 m in diameter.
A.M. Nakamura +34 more
core +1 more source
Craters as sand traps: Dynamics, history, and morphology of modern sand transport in an active Martian dune field [PDF]
, 2020 Aeolian transport of sand is abundant on modern-day Mars, as revealed by remote sensing measurements of the motion of dunes, and of the meter-scale ripples that mantle them. We study a large-scale natural sand trap within the Meroe Patera dune field: a 1.
Avouac, J. P. +2 more
core
Surface and Interface Analysis, EarlyView.ABSTRACT In the present study, we have analyzed the growth profile of ruthenium (Ru) thin films, deposited using pulsed direct current (DC) magnetron sputtering technique, by varying the sputtering voltages in the range of 150–420 V. The grazing incidence X‐ray reflectivity (GIXRR), time‐of‐flight secondary ion mass spectrometry (ToF‐SIMS), and atomic ...
Shruti Gupta +6 more
wiley +1 more source
Identification of Lunar Craters in the Chang’e-5 Landing Region Based on Kaguya TC Morning Map
Remote SensingImpact craters are extensively researched geological features that contribute to various aspects of lunar science, such as evaluating the model age, regolith thickness, etc. The method for identifying impact craters has gradually transitioned from manual
Yanshuang Liu +7 more
doaj +1 more source
Sampling, Mobility, and Anchoring in Small‐Body Sampling Robots: A Comprehensive Review
SmartBot, EarlyView.Small‐body sampling robots are exploration systems that perform contact, sampling, and stable operations on microgravity bodies such as asteroids and comets. The authors review representative robot architectures and key technologies, focusing on the mechanisms, evolution, and coupling of sampling, mobility, and anchoring.
Yurui Shen +7 more
wiley +1 more source
Dome craters on Ganymede [PDF]
Voyager observations reveal impact craters on Ganymede that are characterized by the presence of broad, high albedo, topographic domes situated within a central pit. Fifty-seven craters with central domes were identified in images covering approx. 50% of
Malin, M. C., Moore, J. M.
core +1 more source