There are 4741 Preprints listed.

How do ancient mass-transport complexes influence subsequent failure events? A case study from the Kangaroo Syncline, offshore NW Australia

Nan Wu, Christopher Aiden-Lee Jackson, David Hodgson, et al.

Published: 2024-05-04
Subjects: Geology, Geomorphology, Sedimentology

Mass-transport complexes (MTCs) are common features in all continental margins. In some passive margins, accumulations of stacked MTCs indicate repeated slope failure, which raises the question of whether MTC emplacement may influence or even pre-condition, subsequent slope failures. Here, we use 3D seismic reflection data from the Kangaroo Syncline, NW Australia, to investigate how pre-existing [...]

Fiber optic sensing for volcano monitoring and imaging volcanic processes

Philippe Jousset, Gilda Currenti, Shane Murphy, et al.

Published: 2024-05-04
Subjects: Physical Sciences and Mathematics

This chapter describes fiber optic sensing methodologies and their applications for understanding volcanic structure and processes. We assess their benefits for volcano monitoring and offer possible solutions to address their challenges. The physical principles at the basis of fiber optic sensing technologies have been known for several decades. These principles are related to various processes [...]

CO2 sensitivity studies under laboratory and outdoor conditions as contribution to climate change discussions

Ernst Hammel, Matthias Marvan, Christoph Marvan, et al.

Published: 2024-05-03
Subjects: Engineering, Physical Sciences and Mathematics

The EU considers climate change as an existential threat and wants to reduce net greenhouse gas emissions by at least 55% by 2030 and down to 0% by 2050 within the "EU Green Deal" and economic growth should be decoupled from the use of energy resources. It therefore sees fighting climate change as one of the most important targets1. There is considerable dis-consensus about growing CO2 levels in [...]

Modeling of Harmful Algal Bloom Dynamics and Integrated Web Framework for Inland Waters in Iowa

Özlem Baydaroğlu, Serhan Yeşilköy, Anchit Dave, et al.

Published: 2024-05-03
Subjects: Environmental Sciences

Harmful algal blooms (HABs) are one of the major environmental concerns, as they have various negative effects on public health, recreational services, ecological balance, wildlife, fisheries, microbiota, water quality, and economics. HABs are caused by many sources, such as water pollution based on agricultural activities, wastewater treatment plant discharges, leakages from sewer systems, [...]

Interpretable Quality Control of Sparsely Distributed Environmental Sensor Networks Using Graph Neural Networks

Elżbieta Krystyna Lasota, Timo Houben, Julius Polz, et al.

Published: 2024-05-03
Subjects: Artificial Intelligence and Robotics, Earth Sciences

Environmental sensor networks play a crucial role in monitoring key parameters essential for understanding Earth’s systems. To ensure the reliability and accuracy of collected data, effective quality control (QC) measures are essential. Conventional QC methods struggle to handle the complexity of environmental data. Conversely, advanced techniques such as neural networks, are typically not [...]

Controls on mesophotic carbonate facies and sediment distribution across the Maltese shelf, central Mediterranean Sea

Or M. Bialik, Giovanni Coletti, Christian Berndt, et al.

Published: 2024-05-03
Subjects: Other Environmental Sciences, Sedimentology

Although ~20% of global carbonate occurs on extra-tropical shelves, our understanding of these depositional environments still lags far behind that of tropical carbonate platforms. The Maltese shelf in the central Mediterranean offers an opportunity to study in situ facies distribution in a light-dominated extra-tropical carbonate platform and the factors controlling them. The Maltese shelf [...]

The potential of terrestrial and aquatic molluscs for the temporal analysis of Deckenschotter deposits and younger Quaternary sediments from the Swiss Plateau

Nigel Thew

Published: 2024-05-02
Subjects: Earth Sciences, Geology, Geomorphology, Paleobiology, Paleontology, Physical Sciences and Mathematics, Sedimentology, Soil Science, Stratigraphy, Terrestrial and Aquatic Ecology

A critical appraisal of water table depth estimation: Challenges and opportunities within machine learning

Joseph Janssen, Ardalan Tootchi, Ali A Ameli

Published: 2024-05-02
Subjects: Applied Statistics, Hydrology

Fine-resolution spatial patterns of water table depth (WTD) play a crucial role in shaping ecological resilience, hydrological connectivity, and anthropocentric objectives. Generally, a large-scale (e.g., continental or global) spatial map of static WTD can be simulated using either physically-based (PB) or machine learning-based (ML) models. We construct three fine-resolution (500 m) ML [...]

GeoAI and the Future of Spatial Analytics

Wenwen Li, Samantha T. Arundel

Published: 2024-05-02
Subjects: Computer Sciences, Earth Sciences, Environmental Sciences, Environmental Studies, Geography, Library and Information Science, Physical Sciences and Mathematics, Social and Behavioral Sciences

This chapter discusses the challenges of traditional spatial analytical methods in their limited capacity to handle big and messy data, as well as mining unknown or latent patterns. It then introduces a new form of spatial analytics – geospatial artificial intelligence (GeoAI) - and describes the advantages of this new strategy in big data analytics and data-driven discovery. Finally, a [...]

Integrating Vision-Based AI and Language Models for Real-Time Water Pollution Surveillance

Dinesh Jackson Samuel, Muhammed Yusuf Sermet, David Cwiertny, et al.

Published: 2024-05-02
Subjects: Electrical and Computer Engineering, Engineering

Water pollution has become a major concern in recent years, affecting over 2 billion people worldwide, according to UNESCO. This pollution can occur naturally, such as through algal blooms, or it can be man-made when toxic substances are released into water bodies like lakes, rivers, springs, and oceans. To address this issue and monitor surface-level water pollution in local water bodies, an [...]

Study on the Assessment of the Development Level of Digital Economy in the Yellow River Basin Economic Zone and the Evolution of Time and Space

Liang Wu, Zengzheng Li, Zhentao Gu, et al.

Published: 2024-05-02
Subjects: Statistics and Probability

Based on the Statistical Classification of the Digital Economy and Its Core Industries (2021) and considering the characteristics of the Yellow River Basin Economic Belt, this paper selects 25 secondary indicators from 5 dimensions (digital infrastructure, digital industrialization, industrial digitization, digital innovation and agricultural modernization). A scientific and practical evaluation [...]

SWOT Data Assimilation with Correlated Error Reduction: Fitting Model and Error Together

Yu Gao, Sarah T. Gille, Bruce D. Cornuelle, et al.

Published: 2024-05-02
Subjects: Oceanography, Oceanography and Atmospheric Sciences and Meteorology

The Surface Water Ocean Topography (SWOT) satellite mission provides high-resolution two-dimensional sea surface height (SSH) data with swath coverage. However, spatially correlated errors affect these SSH measurements, particularly in the cross-track direction. The scales of errors can be similar to the scales of ocean features. Conventionally, instrumental errors and ocean signals have been [...]

Application of Large Language Models in Developing Conversational Agents for Water Quality Education, Communication and Operations

Dinesh Jackson Samuel, Muhammed Yusuf Sermet, Jerry Mount, et al.

Published: 2024-05-01
Subjects: Engineering

The rapid advancement of Large Language Models (LLMs), such as ChatGPT, has opened new horizons in the field of Artificial Intelligence (AI), revolutionizing the way we can engage with and disseminate complex information. This paper presents an innovative application of ChatGPT in the domain of Water Quality (WQ) management, through the development of an AI Hub. The Hub encompasses a suite of [...]

Is Net Zero Necessary? Meeting the Paris Agreement Temperature Target with 39% Global Emissions Reductions by the 2070s

Roy Warren Spencer

Published: 2024-05-01
Subjects: Physical Sciences and Mathematics

Global Carbon Project (GCP) data shows that natural processes have been sequestering atmospheric CO2 on a yearly basis in proportion to how much the atmospheric CO2 concentration has risen above pre-Industrial levels, the so-called CO2 “sink rate”. Here it is argued that the future trajectory of the sink rate has not been adequately addressed, which has led to overestimation of future atmospheric [...]

Nurturing a new industry rooted in geoscience: stakeholder insights on minewater thermal in Scotland.

Katherine Beth Deeming, Jen Dickie, Jen Roberts, et al.

Published: 2024-05-01
Subjects: Engineering, Social and Behavioral Sciences

Heat decarbonisation is crucial for climate action and to transition towards a sustainable society. Abandoned, flooded mines can be used to provide low-carbon heating and cooling for buildings or as thermal energy storage for district heating networks. Despite the plentiful potential resource that legacy mining infrastructure offers, the current utilisation of minewater thermal resources in the [...]


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