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Evaporation is one of the main processes in the hydrological cycle, and it is one of the most critical factors in agricultural, hydrological, and meteorological studies. Due to the interactions of multiple climatic factors, the evaporation…

Motivated by the need for ubiquitous and reliable communications in post-disaster emergency management systems (EMSs), we hereby present a novel and efficient stochastic geometry (SG) framework. This mathematical model is specifically…

系统与控制 · 电气工程与系统科学 2023-02-21 Maurilio Matracia , Mustafa A. Kishk , Mohamed-Slim Alouini

The ESA's SMOS and the NASA's SMAP missions, launched in 2009 and 2015, respectively, are the first two missions having on-board L-band microwave sensors, which are very sensitive to the water content in soils and vegetation. Focusing on…

应用物理 · 物理学 2020-12-08 M. Piles , D. Chaparro , D. Entekhabi , A. G. Konings , T. Jagdhuber , G. Camps-Valls

Soil moisture sensing through biomass or vegetation canopy has challenged researchers, even those who use SAR sensors with penetration capabilities. This is mainly due to the imposed extra time and phase offsets on Radio Frequency (RF)…

信号处理 · 电气工程与系统科学 2024-04-25 Luke Jacobs , Mohamad Alipour , Adam Watts , Elahe Soltanaghai

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…

信号处理 · 电气工程与系统科学 2026-01-27 Runze Zhang , Ishfaq Aziz , Derek Houtz , Yuxiang Zhao , Trent W. Ford , Adam C. Watts , Mohamad Alipour

Satellite-based positioning system such as GPS often suffers from large amount of noise that degrades the positioning accuracy dramatically especially in real-time applications. In this work, we consider a data-mining approach to enhance…

机器学习 · 统计学 2019-06-05 Ming Lin , Xiaomin Song , Qi Qian , Hao Li , Liang Sun , Shenghuo Zhu , Rong Jin

For many survey-based spatial modelling problems, responses are observed as spatially aggregated over survey regions due to limited resources. Covariates, from weather models and satellite imageries, can be observed at many different…

In this paper, we present a deforestation estimation method based on attention guided UNet architecture using Electro-Optical (EO) and Synthetic Aperture Radar (SAR) satellite imagery. For optical images, Landsat-8 and for SAR imagery,…

计算机视觉与模式识别 · 计算机科学 2023-07-11 Sunita Arya , S Manthira Moorthi , Debajyoti Dhar

Public satellite missions are commonly bound to a trade-off between spatial and temporal resolution as no single sensor provides fine-grained acquisitions with frequent coverage. This hinders their potential to assist vegetation monitoring…

图像与视频处理 · 电气工程与系统科学 2020-11-20 Shahine Bouabid , Maxim Chernetskiy , Maxime Rischard , Jevgenij Gamper

Gross Primary Productivity (GPP), the amount of carbon plants fixed by photosynthesis, is pivotal for understanding the global carbon cycle and ecosystem functioning. Process-based models built on the knowledge of ecological processes are…

机器学习 · 计算机科学 2024-10-08 Wenquan Dong , Songyan Zhu , Jian Xu , Casey M. Ryan , Man Chen , Jingya Zeng , Hao Yu , Congfeng Cao , Jiancheng Shi

Land surface temperature (LST) is an essential climate variable (ECV) crucial for understanding land-atmosphere energy exchange and monitoring climate change, especially in the rapidly warming Arctic. Long-term satellite-based LST records,…

机器学习 · 计算机科学 2025-11-24 Sonia Dupuis , Nando Metzger , Konrad Schindler , Frank Göttsche , Stefan Wunderle

Atmospheric retrievals are essential tools for interpreting exoplanet transmission and eclipse spectra, enabling quantitative constraints on the chemical composition, aerosol properties, and thermal structure of planetary atmospheres. The…

地球与行星天体物理 · 物理学 2025-08-19 Yoav Rotman , Luis Welbanks , Michael R. Line , Peter McGill , Michael Radica , Matthew C. Nixon

Time series forecasting is a growing domain with diverse applications. However, changes of the system behavior over time due to internal or external influences are challenging. Therefore, predictions of a previously learned fore-casting…

机器学习 · 计算机科学 2021-07-07 Florian Haselbeck , Dominik G. Grimm

Low Earth Orbit (LEO) satellite constellations have seen a surge in deployment over the past few years by virtue of their ability to provide broadband Internet access as well as to collect vast amounts of Earth observational data that can…

机器学习 · 计算机科学 2022-09-27 Mohamed Elmahallawy , Tie Luo

This paper introduces deep Gaussian processes (DGPs) for geophysical parameter retrieval. Unlike the standard full GP model, the DGP accounts for complicated (modular, hierarchical) processes, provides an efficient solution that scales well…

Reaching all regions of Earth, low Earth orbit (LEO) satellites can harvest delay-tolerant data from remotely located users on Earth without ground infrastructure. This work aims to assess a data harvest network architecture where users…

信息论 · 计算机科学 2024-08-12 Chang-Sik Choi

Satellite remote sensing of trace gases such as carbon dioxide (CO$_2$) has increased our ability to observe and understand Earth's climate. However, these remote sensing data, specifically~Level 2 retrievals, tend to be irregular in space…

应用统计 · 统计学 2018-02-08 Andrew Zammit-Mangion , Noel Cressie , Clint Shumack

Monitoring greenhouse gas emissions and evaluating national inventories require efficient, scalable, and reliable inference methods. Top-down approaches, combined with recent advances in satellite observations, provide new opportunities to…

人工智能 · 计算机科学 2025-10-08 Jeffrey N. Clark , Elena Fillola , Nawid Keshtmand , Raul Santos-Rodriguez , Matthew Rigby

With current and upcoming imaging spectrometers, automated band analysis techniques are needed to enable efficient identification of most informative bands to facilitate optimized processing of spectral data into estimates of biophysical…

计算机视觉与模式识别 · 计算机科学 2020-12-17 Jochem Verrelst , Juan Pablo Rivera , Anatoly Gitelson , Jesus Delegido , José Moreno , Gustau Camps-Valls

Gaussian Processes (GPs) are expressive models for capturing signal statistics and expressing prediction uncertainty. As a result, the robotics community has gathered interest in leveraging these methods for inference, planning, and…

机器人学 · 计算机科学 2023-08-29 Francesco Crocetti , Jeffrey Mao , Alessandro Saviolo , Gabriele Costante , Giuseppe Loianno