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Related papers: Ecohydrological land reanalysis

200 papers

Global hydrological and land surface models are increasingly used for tracking terrestrial total water storage (TWS) dynamics, but the utility of existing models is hampered by conceptual and/or data uncertainties related to various…

Accurate and timely mapping of flood extent from high-resolution satellite imagery plays a crucial role in disaster management such as damage assessment and relief activities. However, current state-of-the-art solutions are based on U-Net,…

Computer Vision and Pattern Recognition · Computer Science 2024-09-27 Mirza Tanzim Sami , Da Yan , Saugat Adhikari , Lyuheng Yuan , Jiao Han , Zhe Jiang , Jalal Khalil , Yang Zhou

The increasing impact of climate change and extreme weather events has spurred growing interest in deep learning for weather research. However, existing studies often rely on weather data in pixel space, which presents several challenges…

Computer Vision and Pattern Recognition · Computer Science 2025-03-11 Sijie Zhao , Feng Liu , Xueliang Zhang , Hao Chen , Tao Han , Junchao Gong , Ran Tao , Pengfeng Xiao , Lei Bai , Wanli Ouyang

Flooding is a major natural hazard causing significant fatalities and economic losses annually, with increasing frequency due to climate change. Rapid and accurate flood detection and monitoring are crucial for mitigating these impacts.…

Computer Vision and Pattern Recognition · Computer Science 2025-01-15 Sanjida Afrin Mou , Tasfia Noor Chowdhury , Adib Ibn Mannan , Sadia Nourin Mim , Lubana Tarannum , Tasrin Noman , Jamal Uddin Ahamed

Continuous soil-moisture measurements provide a direct lens on subsurface hydrological processes, notably the post-rainfall "drydown" phase. Because these records consist of distinct, segment-specific behaviours whose forms and scales vary…

Applications · Statistics 2025-09-17 Mengyi Gong , Christopher Nemeth , Rebecca Killick , Peter Strauss , John Quinton

We review recent advances and results in enhancing and developing helioseismic analysis methods and in solar data assimilation. In the first part of this paper we will focus on selected developments in time-distance and global…

Solar and Stellar Astrophysics · Physics 2016-03-16 Ariane Schad , Laurene Jouve , Tom L. Duvall , Markus Roth , Sergei V. Vorontsov

Changing climate conditions threaten the natural permafrost thaw-freeze cycle, leading to year-round soil temperatures above 0{\deg}C. In Alaska, the warming of the topmost permafrost layer, known as the active layer, signals elevated…

Atmospheric and Oceanic Physics · Physics 2025-10-09 Addina Rahaman

With the deterioration of climate, the phenomenon of rain-induced flooding has become frequent. To mitigate its impact, recent works adopt convolutional neural network or its variants to predict the floods. However, these methods directly…

Computer Vision and Pattern Recognition · Computer Science 2023-12-13 Feifei Wang , Yong Wang , Bing Li , Qidong Huang , Shaoqing Chen

We introduce the Python program THALAS (TensorFlow Hydrodynamics Analysis for Lyman-Alpha Simulations), which maps baryon fields (baryon density, temperature, and velocity) to Ly$\alpha$ optical depth fields in both real space and redshift…

Cosmology and Nongalactic Astrophysics · Physics 2024-07-24 Jupiter Ding , Benjamin Horowitz , Zarija Lukić

Data assimilation (DA) aims at forecasting the state of a dynamical system by combining a mathematical representation of the system with noisy observations taking into account their uncertainties. State of the art methods are based on the…

Machine Learning · Computer Science 2023-05-26 Pierre Boudier , Anthony Fillion , Serge Gratton , Selime Gürol , Sixin Zhang

Anthropogenic pollution of hydrological systems affects diverse communities and ecosystems around the world. Data analytics and modeling tools play a key role in fighting this challenge, as they can help identify key sources as well as…

Machine Learning · Computer Science 2023-09-26 David L. Cole , Gerardo J. Ruiz-Mercado , Victor M. Zavala

High-resolution soil moisture (SM) observations are critical for agricultural monitoring, forestry management, and hazard prediction, yet current satellite passive microwave missions cannot directly provide retrievals at tens-of-meter…

Signal Processing · Electrical Eng. & Systems 2026-01-27 Runze Zhang , Ishfaq Aziz , Derek Houtz , Yuxiang Zhao , Trent W. Ford , Adam C. Watts , Mohamad Alipour

Lichens are symbiotic organisms composed of fungi, algae, and/or cyanobacteria that thrive in a variety of environments. They play important roles in carbon and nitrogen cycling, and contribute directly and indirectly to biodiversity.…

Computer Vision and Pattern Recognition · Computer Science 2023-10-27 Safwen Naimi , Olfa Koubaa , Wassim Bouachir , Guillaume-Alexandre Bilodeau , Gregory Jeddore , Patricia Baines , David Correia , Andre Arsenault

Soil moisture is critical component of crop health and monitoring it can enable further actions for increasing yield or preventing catastrophic die off. As climate change increases the likelihood of extreme weather events and reduces the…

Image and Video Processing · Electrical Eng. & Systems 2020-04-28 Conrad James Foley , Sagar Vaze , Mohamed El Amine Seddiq , Alexey Unagaev , Natalia Efremova

The IoT vision of ubiquitous and pervasive computing gives rise to future smart irrigation systems comprising physical and digital world. Smart irrigation ecosystem combined with Machine Learning can provide solutions that successfully…

Machine Learning · Computer Science 2020-11-18 Lea Dujić Rodić , Tomislav Županović , Toni Perković , Petar Šolić , Joel J. P. C. Rodrigues

Development of the new methods of surface water observation is crucial in the perspective of increasingly frequent extreme hydrological events related to global warming and increasing demand for water. Orthophotos and digital surface models…

Neural and Evolutionary Computing · Computer Science 2022-12-06 Radosław Szostak , Marcin Pietroń , Mirosław Zimnoch , Przemysław Wachniew , Paweł Ćwiąkała , Edyta Puniach

The forest plays an important role in a watershed hydrology, regulating the transfer of water within the system. The forest role in maintaining watersheds hydrological regime is still a controversial issue. Consequently, we use the Soil and…

The knowledge of atmospheric parameters -- such as temperature, pressure, and humidity -- is very important for a proper reconstruction of air showers, especially with the fluorescence technique. The Global Data Assimilation System (GDAS)…

Instrumentation and Methods for Astrophysics · Physics 2019-08-13 Martin Will

We introduce a unique semantic segmentation dataset of 6,096 high-resolution aerial images capturing indigenous and invasive grass species in Bega Valley, New South Wales, Australia, designed to address the underrepresented domain of…

Computer Vision and Pattern Recognition · Computer Science 2024-08-14 Sophia J. Abraham , Jin Huang , Brandon RichardWebster , Michael Milford , Jonathan D. Hauenstein , Walter Scheirer

A novel algorithm is developed to downscale soil moisture (SM), obtained at satellite scales of 10-40 km by utilizing its temporal correlations to historical auxiliary data at finer scales. Including such correlations drastically reduces…

Computer Vision and Pattern Recognition · Computer Science 2016-01-22 Subit Chakrabarti , Jasmeet Judge , Tara Bongiovanni , Anand Rangarajan , Sanjay Ranka