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Showing 5751 to 5800 of 59105 works
Tracking Changes in Vegetation Structure Following Fire in the Cerrado Biome using ICESat-2
Fires mediate grass and tree competition and alter vegetation structure in savanna ecosystems, with important implications for regional carbon, water, and energy fluxes. However, …
Record-Breaking Precipitation in Indonesia's Capital Jakarta in January 2020 Linked to the Northerly Surge, Equatorial …
A rare record-breaking extreme rainfall event, the highest amount recorded since 1866, hit Indonesia’s capital, Jakarta, in early January 2020. The torrential rainfall was mainly …
Measuring Estuarine Total Exchange Flow from Discrete Observations
The exchange between estuaries and the coastal ocean is a key dynamical driver impacting nutrient and phytoplankton concentrations and regulating estuarine residence time, hypoxia…
A method to generate initial fault stresses for physics-based ground motion prediction consistent with regional seismic…
Near-field ground motion is the major blind spot of seismic hazard studies, mainly because of the challenges in accounting for source effects. Initial stress heterogeneity is an i…
Slow-moving landslides triggered by the 2016 Mw 7.8 Kaikōura earthquake, New Zealand: a new InSAR phase-gradient based …
Earthquake-triggered slow-moving landslides are not well studied mainly due to lack of high-resolution in-situ geodetic observations both in time and space. Satellite-based interf…
The Ionospheric response During 2013 Stratospheric Sudden Warming over East Asia Region
Ionospheric response to sudden stratospheric warming (SSW) are not well understood. During the 2013 SSW, ionospheric disturbances were observed in eighteen stations on three merid…
Combination Strategy for the Geocentric Realisation of Regional Epoch Reference Frames
For high-resolution regional geodetic applications, the International Terrestrial Reference Frame (ITRF) is complemented by regional densifications. These are realised either as m…
A Deep Catalogue of Marsquakes
NASA’s InSight seismometer has been recording Martian seismicity since early 2019, and to date, over 1300 marsquakes have been catalogued by the Marsquake Service (MQS). Due to ty…
An improved satellite-based evapotranspiration routine for China
Evapotranspiration (ET) is a critical process that regulates the heat and water transfer between the land and atmosphere. Instantaneous satellite data can provide area-wide daily …
Solar wind magnetic holes can cross the bow shock and enter the magnetosheath
Solar wind magnetic holes are localized depressions of the magnetic field strength, on time scales of seconds to minutes. We use Cluster multipoint measurements to identify 26 mag…
Signature of the Contemporary Southwestern North American Megadrought in Mesopause Region Wave Activity
The Southwestern North American (SWNA) megadrought began in 2000 and is now believed to be the driest 22-year period in the region since at least 800 CE. The precipitation deficit…
Compositions and Interior Structures of the Large Moons of Uranus and Implications for Future Spacecraft Observations
The five large moons of Uranus are important targets for future spacecraft missions. To motivate and inform the exploration of these moons, we model their internal evolution, pres…
Interdependent effects of fluid injection parameters on triggered aseismic fault slip and seismic clusters
In the context of fluid-induced seismicity, various injection parameters have been shown to affect fault behaviour differently, although existing studies about their effects somet…
Geospace Concussion: Global reversal of ionospheric vertical plasma drift in response to a sudden commencement
An interplanetary shock can abruptly compress the magnetosphere, excite magnetospheric waves and field-aligned currents, and cause a ground magnetic response known as a sudden com…
Standardized Schoeller Diagrams - A Matlab Plotting Tool
Water analyses typically result in numerous characteristic values. The bunch of parameters hamper temporal or spatial comparisons of different samples. In order to facilitate the …
Revisiting The Agro-Climatic Zones Of Ghana: A Re-Classification In Conformity With Climate Change And Variability
Agro-climatic zones are geographical areas delineated based on climate homogeneity and impact on agriculture. Ghana's agro-climatic zones have been in use since the 1960s, with no…
Influence of Hotspot Magmatism on Breakup Modes and Oceanic Crust Architecture along a Passive Margin: Insights from Ma…
The breakup of the Central Atlantic is known to terminate around 190Myrs while the CAMP (Central Atlantic Magmatic Province) activity was ending. A dense seismic dataset, acquired…
Mountain research: The Andes cryosphere (comic)
Andes Cryosphere mountain research watercolor comic. Watecolor by Sebastián Martínez Fadic Concept by Sebastián Ruiz-Pereira
Metropolises are the Best ‘golden spike’ of the Anthropocene
I propose that metropolises are the best ‘golden spike’ for the Anthropocene. Based on six selection principles with three ideas, I have identified seven metropolises in seven cou…
Large ensemble simulation for investigating predictability of precursor vortices of Typhoon Faxai in 2019 with a 14-km …
Typhoon Faxai hit Japan in 2019 and severely damaged the Tokyo metropolitan area. To mitigate such damages, a good track forecast is necessary even before the typhoon formation. T…
Detecting Discontinuities from in-Situ Space Measurements: Method and FPGA Implementation
The analysis in real time of space data variability is essential for scientists and space mission controllers. Automated tools designed to extract key descriptors of variability a…
A review of different modeling approaches used to simulate smoke transport and dispersion
A variety of smoke model frameworks are used to simulate smoke for research and forecast applications. Here, a comprehensive summary is provided which covers the many different sm…
Forecasting GICs and geoelectric fields from solar wind data using LSTMs: application in Austria
The forecasting of local GIC effects has largely relied on the forecasting of dB/dt as a proxy and, to date, little attention has been paid to directly forecasting the geoelectric…
How do US Geoscience departments value (or not-value) JEDI work in faculty evaluation systems?
The percentage of Geoscience students, faculty, and professionals from historically under-represented minority (URM) groups has been largely unchanged for two decades and remains …
Evidence for multiple middle Eocene warming events in the Lutetian-Bartonian chemostratigraphic record from the southwe…
Climate and carbon cycling during the Eocene were complex, as inferred from records of stable isotopes and carbonate accumulation in marine sediment sections. Following a now well…
Social-learning from Farmers’ Experience and Behavior: A Triple-loop Analysis on ClimateChange Awareness, Perceived Imp…
Climate change tends to be addressed by accurate statistics and modelling, but it is generally perceived abstractly, being considered a distant psychological risk in which impacts…
A Geochemical Review of Amphibolite, Granulite, and Eclogite Facies Lithologies: Perspectives on the Deep Continental C…
Debate abounds regarding the composition of the deep (middle + lower) continental crust. Studies of medium and high grade metamorphic lithologies guide us but encompass mafic (< 5…
Predicting spatiotemporal variation in runoff in a data-sparse region: analyses of a whole-country model for Panama
Panama faces seasonal floods and droughts as well as rising freshwater demands ranging from domestic consumption to hydro-power and the operation of the Panama Canal. A process-ba…
Study on the Migrating Speed of Free Alternate Bars
In this study, flume experiments were conducted under conditions where alternate bars occur, develop, and migrate, to understand the existence and scale of the spatial distributio…
The relationship between precipitation and its spatial pattern in the trades observed during EUREC4A
Trade wind convection organises into a rich spectrum of spatial patterns, often in conjunction with precipitation development. Which role spatial organisation plays for precipitat…
Genesis of the Gulf Stream Subseasonal Variability in the Florida Straits
The properties and generation mechanisms of the Florida Current subseasonal variability (20 – 100 days) are evaluated from in-situ and satellite observations. The Florida Current …
NCAR Datasets Published in the Cloud
The US National Center for Atmospheric Research (NCAR) has published several large datasets in the Amazon Web Services (AWS) cloud, thanks to support from the NCAR “Science at Sca…
Investigation of liquid cloud formation mechanisms during the Arctic ozone-depletion events of the 2010/2011, 2015/2016…
The unusually cold springtime Arctic stratospheres of 2011, 2016 and 2020 generated substantial Polar Stratospheric Clouds (PSCs) activity and a significant ozone hole. These even…
Quantifying Earth's radiogenic heat budget
Earth’s internal heat drives its dynamic engine, causing mantle convection, plate tectonics, and the geodynamo. These renewing and protective processes, which make Earth habitable…
Assessing Alaskan Boreal Forest Landcover Affected by Climate-wildfire Interactions from Ground Truth Surveys and NASA …
Alaska’s boreal forest is facing unprecedented challenges under rapid climate warming (increasingly severe fires, droughts, pest/disease outbreaks) that may destabilize its functi…
Thermal energy exchange among urban surface air, underlying surface and surface runoff menchanism and scenario simulati…
When precipitation happens in summer, the thermal runoff from the impervious surface flows into the urban lakes, causing the rise of the surface water temperature. Such a process …
The HydroSocial Cycle approach to deepen on socio-ecological systems analysis and water management
Balancing socio-ecological systems among competing water demands is a difficult and complex task. Traditional approaches based on limited, linear growth optimization strategies ov…
Seismic event detection in suburban Chicago using a single broadband seismic station
On November 4, 2013, residents near a quarry in the western suburbs of Chicago felt shaking from a rare, small earthquake. The USGS reported a magnitude of 3.2 and Dr. Robert Herr…
Diffuse radiation forcing constraints on gross primary productivity and global terrestrial evapotranspiration
The diffuse radiation fertilization effect – the increase in plant productivity in the presence of higher diffuse radiation (K↓,d) – is an important yet understudied aspect of atm…
Large-scale Interseismic Strain Mapping of the NE Tibetan Plateau from Sentinel-1 Interferometry
The launches of the Sentinel-1 synthetic aperture radar satellites in 2014 and 2016 started a new era of high-resolution velocity and strain rate mapping for the continents. Howev…
A New Open-source Geomagnetosphere propagation tool (OTSO) and its applications
We present a new open-source tool for magnetospheric computations, that is modelling of cosmic ray propagation in the geomagnetosphere, named the “Oulu - Open-source geomagneToSph…
Evolving Drivers of Brazilian SARS-CoV-2 Transmission: A Spatiotemporally Disaggregated Time Series Analysis of Meteoro…
Brazil has been severely affected by the COVID-19 pandemic. Temperature and humidity have been purported as drivers of SARS-CoV-2 transmission, but no consensus has been reached i…
A method for analyzing the correlation between earthquakes and underground fluid: The case of hydrogen concentration at…
Underground fluid monitoring is a common method for earthquake prediction. However, the correlations depending on statistic between the results of various underground fluids and e…
Future Scenario Earthquakes Dynamic Rupture simulation on the Wenchuan-Maoxian Fault in the Longmen Shan, China, thrust…
The 2008 Wenchuan Mw 7.9 mainshock has caused catastrophic destruction to cities along the northwestern margin of the Sichuan Basin. The Wenchuan-Maoxian Fault (WMF) on the hinter…
Global Nuclear Blast Discrimination using a Convolutional Neural Network
Using P-wave seismograms by Barama et al. (2022), we trained a seismic source classifier using a Convolutional Neural Network. We trained for three classes: earthquake P-wave, nuc…
Magnetic tilt effect on externally driven electromagnetic ion cyclotron (EMIC) waves
We examine the wave coupling efficiency of solar wind to magnetospheric fluctuations in the ULF frequency range using an advanced full-wave simulation code, Petra-M. Earth’s magne…
Decrease trend of East Asia dust during the 21st century in CMIP6
A reduction of dust emission over the major dust source regions in East Asia in the twenty-first century is diagnosed in the climate change simulations of the Sixth Climate Model …
Comments to paper Stauning, P. (2022) The use of invalid Polar Cap South (PCS) indices in publications. Journal of Geop…
Declaration (Stauning, 2022) on “invalid PCS index” is based on the following arguments: PCS index is calculated with use of incorrect “unified” PC derivation method; PCS index us…
Synergies between Venus & Exoplanetary Observations
In this chapter we examine how our knowledge of present day Venus can inform terrestrial exoplanetary science and how exoplanetary science can inform our study of Venus. In a supe…
Long-distance Asthenospheric Transport of Plume-influenced Mantle
The origin of widespread volcanism far from plate boundaries and mantle plumes remains a fundamental unsolved question. An example of this puzzle is the Anatolian region, where ab…
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