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Showing 7901 to 7950 of 59105 works
Impacts of the assimilation of satellite sea surface temperature data on volume and heat budget estimates for the North…
Mechanisms controlling the heat budget of the North Sea are investigated based on a combination of satellite sea surface temperature measurements and numerical model simulations. …
Observing the Relationship Between Freeboard, Snow Depth, and Sea-Ice Thickness: Recent Advances in the AWI IceBird Cam…
Alfred Wegener Institute’s (AWI) IceBird program is a series of airborne campaigns carried out in winter and summer using a fixed-wing Basler BT-67 research aircraft to measure Ar…
Distributed Acoustic Sensing in Volcano-Glacial Environments - Mount Meager, British Columbia
We demonstrate the logistic feasibility and scientific potential of Distributed Acoustic Sensing (DAS) in alpine volcano-glacial environments that are subject to a broad range of …
The 2021 South Sandwich Island Mw 8.2 earthquake: a slow event sandwiched between regular ruptures
We determined the rupture sequence of the Aug 12, 2021 Mw 8.2 South Sandwich Island earthquake which, according to the reports from the National Earthquake Information Center, app…
PIC Simulations of the Dayside Magnetopause: Origins and Evolution of the Electron and Ion Populations in its Boundary …
Recent observations and simulations have revealed a wide variety of plasma processes and multiscale structures at the dayside magnetopause. In this presentation, we focus on the o…
Hydrological Perspectives on Integrated, Coordinated, Open, Net- worked (ICON) Science
This article comprises three independent commentaries about the state of ICON principles in hydrology and discusses the opportunities and challenges of adopting them. Each comment…
Estimation of flood inundation and depth during Hurricane Florence using Sentinel-1 and UAVSAR data
We studied the temporal and spatial changes in the flood water elevation and variation in the surface extent due to the flooding resulting from Hurricane Florence (September 2018)…
Effective Formation of Surface Flow due to Salt Precipitation within Soils upon Repeated Brine Seepages on Mars
On Mars, in the present or past, highly concentrated liquid brine is suggested to have formed repeatedly through ice melting and/or deliquescence. Such repeated seepages of brine …
Virtual Reality at Regional Scale: Exploring Terrestrial Bodies in Immersive 3D Environments
Virtual reality (VR) is an important tool for several applications in science, industry, and education. Previous studies have already shown how the use of VR at full scale is an e…
The diurnal path to persistent convective self-aggregation
Clustering of tropical thunderstorms constitutes an important climate feedback because it influences the radiative balance. Convective self-aggregation (CSA) is a profound modelin…
From Bright Windows to Dark Spots: Snow Cover Controls Melt Pond Optical Properties during Refreezing
Melt ponds have a strong impact on the Arctic surface energy balance and the ice-associated ecosystem because they transmit more solar radiation compared to bare ice. In the exist…
A Rainfall Disaggregation Scheme for Generating Fine Time-scale Extreme Rainfall under Climate Change
Extreme rainfall can be calamitous to the ecosystem, life, society, and economy through rapidly developing (flash) floods and is likely to intensify in a warmer future climate. Su…
Reduced Rainfall in Future Heavy Precipitation Events Related to Contracted Rain Area Despite Increased Rain Rate
Heavy precipitation events (HPEs) can lead to deadly and costly natural disasters and are critical to the hydrological budget in regions where rainfall variability is high and wat…
Identification of Optimal Hydraulic Flood Management Scenarios for a Socially Vulnerable Urban Coastal Catchment: A 3-w…
With the rapid rise in flooding events induced by climate change across the globe, effective flood management strategies through modelling have garnered attention over the years. …
Variability of the stress pattern in the continental margin of Egypt
We have studied the focal mechanisms of eleven earthquakes with magnitudes of ML ≥ 3.8 on the continental margin of Egypt and the adjacent onshore region from 1951 to 2020 to iden…
Micromagnetic Tomography for Paleomagnetism and Rock-Magnetism
Our understanding of the past behavior of the geomagnetic field arises from magnetic signals stored in geological materials, e.g. (volcanic) rocks. Bulk rock samples, however, oft…
Drainage pattern as a tectonic footprint: A case study of Riedel conjugate systems in the Laguna del Maule Volcanic Com…
The tectonic movement along faults is often reflected by geological lineaments, appearing as geomorphological features caused by relief. The detection and quantification of geolog…
Atmospheric synoptic circulations linked to short-term droughts over Europe: A CMIP6 evaluation
Synoptic circulation classifications represent a helpful tool to characterize daily atmospheric patterns that strongly relate to the dominant regional meteorological conditions. A…
Acquisition and Online Display of High-Resolution Backscattered Electron and X-Ray Maps of Meteorite Sections
Analyses of meteorites in thin or thick section begins with a detailed mineralogic/petrologic study of the sample. Backscattered electron and x-ray imaging in a secondary electron…
Crustal and mantle deformation inherited from obduction of the Semail ophiolite (Oman) and continental collision (Zagro…
A common deviation from typical subduction models occurs when thrust sheets of oceanic-crust and upper-mantle rocks are emplaced over more buoyant continental lithosphere. The arc…
Matrix approach to land carbon cycle modeling
Land ecosystems offer an effective nature-based solution to climate change mitigation by absorbing approximately 30% of anthropogenically emitted carbon. This estimated absorption…
SASSY21: A 3-D seismic structural model of the lithosphere and underlying mantle beneath Southeast Asia from multi-scal…
We present the first continental-scale seismic model of the lithosphere and underlying mantle beneath Southeast Asia obtained from adjoint waveform tomography (often referred to a…
Salt-Fingers in the Presence of Uniform Shear
Salt fingers occur throughout a large fraction of the World Ocean and can have substantial effects on large-scale mixing processes, such as the Meridional Overturning Circulation …
Missing earthquake data reconstruction in the space-time-magnitude domain
Short term aftershock incompleteness (STAI) can strongly bias any analysis built on the assumption that seismic catalogs have a complete record of events. Despite several attempts…
Plate boundary deformation at the Azores triple junction determined from continuous GPS geodetic measurements, 2002-2017
Ground deformation in the Azores, at the triple junction between the Eurasian, Nubian, and North American plates, has been mapped with continuous GPS (Global Positioning System) g…
Evaluation of zircon from the Pliocene Utaosa rhyolite Japan as reference material for (U-Th)/He thermochronometry
The zircon (U-Th)/He (ZHe) system with a typical closure temperature of ~160-200°C *1 , but lower for higher radiation damaged grains *2 , offers the potential for evaluating ther…
Use of Synthetic Accelerograms in Local Seismic Response Analyses at Near Field Sites
Local Seismic Response (LSR) studies are considerably conditioned by the seismic input features due to the non-linear soil behavior under dynamic loading and the sub-surface site …
On the effects of the Solar Wind Alfvénic Mach number on the Bow-Shock dynamics
Solar transients impinging on Earth’s magnetosphere often present a larger velocity than the surrounding solar wind, leading to a different response of the bow shock-magnetosheath…
Tectonic evolution of the Nootka fault zone and deformation of the shallow subducted Explorer plate in northern Cascadi…
At the northern Cascadia subduction zone, the subducting Explorer and Juan de Fuca plates interact across a transform deformation zone, known as the Nootka fault zone (NFZ). This …
Impact of soil freezing-thawing processes on August rainfall over southern China
In this study, the impact of soil freezing–thawing processes on August rainfall in southern China (SC) during 1979–2008 and related physical mechanisms are investigated using the …
Building Trust: Defining Subject Matter Expertise through U.S. Federal Peer Review Policy
There is no quantifiable definition of what comprises a peer reviewer, leading to a lack of trust in the outcomes of peer review by the public and some government officials. Using…
Assessment of water quality and quantity of springs at a pilot-scale: Applications in semi-arid Mediterranean areas in …
This work presents an integrated methodology for the assessment of threats on spring quality and quantity in poorly investigated Mediterranean semi-arid karst catchments in Lebano…
A Glacial Origin of Polygonal Networks of Double-Ridged Grooves in Western Jezero Crater during the End of an Ice Age o…
Western Jezero crater of Mars exposes smooth- and rough-surfaced plains that bound a steep-sided fan-shaped plateau (i.e., western Jezero delta) in the west. The two plain terrain…
Using Linear Optimization To Model Spatially Resolute Emissions Of CO2 From Gasoline Flows Across The United States
Publicly accessible data has been used to construct a county-scale supply chain model of United States gasoline consumption and quantify the scope 3 CO2; emissions from gasoline c…
A Dusty Atmospheric River Brings Floods to the Middle East
Torrential rainfall and rapid snowmelt in April 2017 caused deadly floods in northwestern Iran. An atmospheric river (AR), propagating across the Middle East and North Africa, was…
Coral oxygen isotope and in situ records capture the 2015/2016 El Niño event in the central equatorial Pacific
Coral oxygen isotopes (δ18O) from the central equatorial Pacific provide monthly-resolved records of El Niño-Southern Oscillation (ENSO) activity over past centuries to millennia.…
Bayesian approach for auroral oval reconstruction from ground-based observations
To understand long term variability of solar activity, homogeneous time series are required. However, proxies like the Zurich sunspot number or cosmogenic isotopes suffer from dis…
Skew Surge and Storm Tides of Tropical Storms in the Delaware and Chesapeake Bays for 1980 -2019
Coastal flooding poses the greatest threat to human life and is often the most common source of damage from coastal storms. From 1980 to 2020, the top 6, and 17 of the top 25, cos…
Consistency of Long-Term Trends and Closure of the Surface Water Balance in the Amazon River Basin
We study the consistency of long-term trends in the surface water balance of 63 sub-catchments of the Amazon River basin. Monthly time series of precipitation, evaporation, runoff…
Estimation of Vs30 at the EarthScope Transportable Array Stations by Inversion of Low-Frequency Seismic Noise
One of the main sources of seismic noise below 0.05 Hz is the atmospheric pressure variation, especially when surface pressure variations are large. The amount of ground deformati…
A comprehensive study of the river plume in a microtidal setting
We performed a comprehensive study of the generation and transport mechanisms of a river plume flowing into a microtidal environment. First, we analysed images simultaneously acqu…
High-Resolution Marine Magnetic Mapping of the Portuguese Nearshore: Unraveling Geological Domains, Faults and Magmatic…
The SW Portuguese margin has been intensively studied, particularly for rifting, tectonic inversion and tectonic reactivation of the Atlantic passive margin. In this work we bring…
Triggering of Microseismicity During Low Tides at the Equatorial Mid-Atlantic Ridge, Inferred from the PI-LAB Experimen…
The combined gravitational pulls from the moon and the sun result in periodical tidal stresses at rates potentially exceeding the tectonic ones. Yet, tidal triggering of earthquak…
Flood Exposure and Social Vulnerability during 2020 Assam Floods
The state of Assam, primarily in the Brahmaputra basin, is one of the most flood-prone states of India, with devastating floods occurring every year. Rapid urbanization in the flo…
Liquidus Phase Relations and Solid-Liquid Partitioning in the Fe-Si-C System Under Core Pressures
Both silicon and carbon have been proposed to be important light elements in the Earth’s core, in particular in the inner core. Here we performed melting experiments on the Fe-Si-…
Control of the oxygen to ocean heat content ratio during deep convection events
Earth System Models project a decline of dissolved oxygen in the oceans under warming climate. Observational studies suggest that the ratio of O 2 inventory to ocean heat content …
Earthquake catalog from a year+ of seismic monitoring on Bioko Island, Equatorial Guinea
Equatorial Guinea’s Bioko Island is located in the Atlantic Ocean off the west coast of Cameroon. It is a volcanic island and the first off-shore expression of the Cameroon Volcan…
Identification of Corn Lodging Using U-Net Semantic Segmentation
Corn yield is dependent on factors such as plant density, presence of water and nutrients, temperature, and type of crop variety. The lagging effect of these factors can either im…
Reconciling Assumptions in Bottom-up and Top-down Approaches for Estimating Aerosol Emission Rates from Wildland Fires …
Accurate fire emissions inventories are crucial to predict the impacts of wildland fires on air quality and atmospheric composition. Two traditional approaches are widely used to …
Water Flows in Rockwall Permafrost: a Numerical Approach Coupling Hydrological and Thermal Processes
Rockwall permafrost is extremely sensitive to climate change and its degradation is supposedly responsible for the recent increase in periglacial rock slope failures. Investigatio…
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