Preprints
There are 5428 Preprints listed.
Scaling traffic variables from sensors sample to the entire city at high spatiotemporal resolution with machine learning: applications to the Paris megacity
Published: 2024-04-10
Subjects: Transportation Engineering
Road transportation accounts for up to 35% of carbon dioxide and 49% of nitrogen oxides emissions in the Paris region. In an effort to mitigate those emissions, local authorities have implemented a climate plan that includes measures such as converting car lanes into cycle paths and enforcing strict low emission zones. Moreover, the COVID-19 crisis has had a notable impact on citizens' behavior [...]
FLOWIDER 1.0: a web-based interface to track flood-season water levels of large rivers of India’s Gangetic plains
Published: 2024-04-08
Subjects: Life Sciences, Physical Sciences and Mathematics
Accessing and analysing flood-season water level data is crucial for monitoring riverine biodiversity and ecosystems. The Gangetic plains are among the largest river floodplains in the world. Temporal flood-season water level data for rivers of the Gangetic basin in India, though available in the public domain, are often scattered across web-based sources and recorded in non-translatable formats. [...]
Advancing forest aboveground biomass mapping by integrating GEDI with other Earth Observation data using a cloud computing platform: A case study of Alabama, United States
Published: 2024-04-06
Subjects: Applied Statistics, Climate, Earth Sciences, Environmental Monitoring, Environmental Sciences, Forest Management, Other Forestry and Forest Sciences
Forest aboveground biomass (AGB) is a crucial indicator for monitoring carbon and requires accurate quantification. This study aimed to advance AGB estimation using open access Earth observation (EO) data and cloud computing, focusing on Alabama, USA. The specific objectives were to: (1) develop a workflow for creating a 30 m forest AGBD map with GEDI, using GEE, (2) evaluate and compare [...]
Point of Care Devices Engaging Green Graphene: An Eco-conscious and Sustainable Paradigm
Published: 2024-04-06
Subjects: Engineering, Medicine and Health Sciences
The healthcare landscape has experienced a profound and irreversible transformation, primarily driven by the emergence of nanomaterial assisted point-of-care (POC) devices. Inclusion of nanomaterials in POC devices have revolutionized healthcare by enabling rapid, on-site diagnostics with minimal infrastructure requirements. Among the materials poised to lead this technological revolution, green [...]
Evaluation for the Impacts of Numerical Advection Schemes and Turbulence Modeling on Gray-Zone Simulation of a Squall Line
Published: 2024-04-05
Subjects: Physical Sciences and Mathematics
With increasing computational power, atmospheric simulations have approached the gray zone resolutions where energetic turbulent eddies are partly resolved. The representation of turbulence in the gray zone is challenging and sensitive to the choices of turbulence models and numerical advection schemes. Some numerical advection schemes are designed with numerical dissipation to suppress [...]
Sentinel-1 SAR-based Globally Distributed Landslide Detection by Deep Neural Networks
Published: 2024-04-05
Subjects: Artificial Intelligence and Robotics, Geomorphology
Efficient response to large and widespread multiple landslide events (MLEs) demands rapid and effective landslide detection. Despite extensive efforts using optical remotely sensed imagery, limitations in global, day & night, and all-weather operational capabilities remain. To address these gaps, we introduce an approach that harnesses Deep Neural Networks (DNNs) and Synthetic Aperture Radar [...]
Permeability Characterisation of Sedimentological Facies in the Bunter Sandstone Formation, Endurance CO2 Storage Site, Offshore UK
Published: 2024-04-05
Subjects: Geology
Permeability variations due to sedimentological heterogeneity are important in controlling CO2 migration pathways, CO2 plume dynamics, and stratigraphic, capillary and dissolution trapping of CO2 in subsurface storage units and complexes. Thus, knowing these parameters is crucial to developing a CO2 injection strategy that maximizes storage and trapping efficiency. In this study we analyzed the [...]
Geostratigraphic mapping of the intrusive Valentine Domes on the Moon
Published: 2024-04-05
Subjects: Physical Sciences and Mathematics, Planetary Sciences
Lunar intrusive igneous domes have not been the center of much research in the past due to their rare occurrence on the lunar surface, and the difficulty in locating them. Most of the known structures were discovered using images with low illumination angles, including data from the Lunar Orbiter, telescopic images, and photos taken during the Apollo Missions. These intrusive domes are [...]
Breaking internal waves on sloping topography: connecting parcel displacements to overturn size, interior-boundary exchanges, and mixing
Published: 2024-04-05
Subjects: Physical Sciences and Mathematics
Internal waves impinging on sloping topography can generate mixing through the formation of near-bottom bores and overturns in what has been called the `internal swash' zone. Here we investigate the mixing generated during these breaking events, and the subsequent ventilation of the bottom boundary layer, across a realistic non-dimensional parameter space for the ocean using three-dimensional [...]
Concepts and capabilities of the Instructed Glacier Model
Published: 2024-04-05
Subjects: Glaciology
We present the concept and capabilities of IGM (https://github.com/jouvetg/igm), a Python-based modeling tool designed for efficiently simulating glacier evolution across various scales. IGM integrates ice thermomechanics, climate-driven surface mass balance, mass conservation, and other processes. Within IGM, the update of all physical model components involves a series of mathematical [...]
Using mixed siliciclastic-bioclastic sediments as a natural analogue for plastic-rich systems
Published: 2024-04-05
Subjects: Earth Sciences, Environmental Sciences, Geology, Sedimentology
Mixed siliciclastic-bioclastic sediments and systems represent an analogue to understanding the behaviour and impact of plastic sediments in natural environments. The integration of knowledge derived from different mixed systems can enhance our comprehension of depositional processes, bedform morphology, and plastic distribution as well as assess the potentiality of siliciclastic-bioclastic [...]
A Labeling Intercomparison of Retrogressive Thaw Slumps by a Diverse Group of Domain Experts
Published: 2024-04-05
Subjects: Physical Sciences and Mathematics
Deep-learning (DL) models have become increasingly beneficial for the detection of retrogressive thaw slumps (RTS) in the permafrost domain. However, comparing accuracy metrics is challenging due to unstandardized labeling guidelines. To address this, we conducted an experiment with 12 international domain experts from a broad range of scientific backgrounds. Using 3 m PlanetScope multispectral [...]
Different model assumptions about plant hydraulics and photosynthetic temperature acclimation yield diverging implications for tropical forest resilience
Published: 2024-04-04
Subjects: Ecology and Evolutionary Biology
Tropical forest photosynthesis can decline at high temperatures due to (1) biochemical responses to increasing temperature and (2) stomatal responses to increasing vapor pressure deficit (VPD), which is associated with increasing temperature. It is challenging to disentangle the influence of these two mechanisms on photosynthesis in observations, because temperature and VPD are tightly correlated [...]
Unified in diversity: Unravelling emerging knowledge on drought impact cascades via participatory modeling
Published: 2024-04-04
Subjects: Geography
Diverse groups exhibit enhanced capabilities in tackling complex problems compared to individuals. Also, involving diverse stakeholders has been shown to improve the understanding of complex social-ecological systems. Considering this, we investigated how pooling the knowledge of diverse stakeholder crowds can create new, emergent knowledge on cascading drought impacts. We define ‘emergent [...]
Wastewaters co-produced with shale gas drive slight regional salinization of groundwater
Published: 2024-04-04
Subjects: Geochemistry, Oil, Gas, and Energy, Water Resource Management
While unconventional oil and gas (UOG) development is changing the world economy, processes that are used during UOG development such as high-volume hydraulic fracturing (“fracking”) have been linked with water contamination. Water quality risks include leaks of gas and salty fluids (brines) that are co-produced at wellpads. Identifying the cause of contamination is difficult, however, because [...]