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In this diagnostic study we analyze changes of rainfall seasonality and dry spells by the end of the twenty-first century under the most extreme IPCC5 emission scenario (RCP8.5) as projected by twenty-four coupled climate models…

Atmospheric and Oceanic Physics · Physics 2016-03-23 Salvatore Pascale , Valerio Lucarini , Xue Feng , Amilcare Porporato , Shabeh ul Hasson

Improvements in Earth observation by satellites allow for imagery of ever higher temporal and spatial resolution. Leveraging this data for agricultural monitoring is key for addressing environmental and economic challenges. Current methods…

Computer Vision and Pattern Recognition · Computer Science 2024-07-15 Elliot Vincent , Jean Ponce , Mathieu Aubry

In this paper, we investigate the multi-variate sequence classification problem from a multi-instance learning perspective. Real-world sequential data commonly show discriminative patterns only at specific time periods. For instance, we can…

Machine Learning · Computer Science 2017-12-21 Xiaowei Jia , Ankush Khandelwal , Anuj Karpatne , Vipin Kumar

Drought is a complex natural hazard that affects ecological and human systems, often resulting in substantial environmental and economic losses. Recent increases in drought severity, frequency, and duration underscore the need for effective…

An accurate and precise understanding of global irrigation usage is crucial for a variety of climate science efforts. Irrigation is highly energy-intensive, and as population growth continues at its current pace, increases in crop need and…

Computer Vision and Pattern Recognition · Computer Science 2021-04-05 Weixin , Wu , Sonal Thakkar , Will Hawkins , Hossein Vahabi , Alberto Todeschini

Large-area crop classification using multi-spectral imagery is a widely studied problem for several decades and is generally addressed using classical Random Forest classifier. Recently, deep convolutional neural networks (DCNN) have been…

Computer Vision and Pattern Recognition · Computer Science 2021-03-19 Muhammad Usman Qadeer , Salar Saeed , Murtaza Taj , Abubakr Muhammad

Climate change is posing new challenges to crop-related concerns including food insecurity, supply stability and economic planning. As one of the central challenges, crop yield prediction has become a pressing task in the machine learning…

Machine Learning · Computer Science 2022-01-25 Joshua Fan , Junwen Bai , Zhiyun Li , Ariel Ortiz-Bobea , Carla P. Gomes

Accurate vegetation models can produce further insights into the complex interaction between vegetation activity and ecosystem processes. Previous research has established that long-term trends and short-term variability of temperature and…

Machine Learning · Computer Science 2024-03-28 Pascal Janetzky , Florian Gallusser , Simon Hentschel , Andreas Hotho , Anna Krause

Accurate crop health monitoring is not only essential for improving agricultural efficiency but also for ensuring sustainable food production in the face of environmental challenges. Traditional approaches often rely on visual inspection or…

Image and Video Processing · Electrical Eng. & Systems 2025-04-16 J. Judith , R. Tamilselvi , M. Parisa Beham , S. Sathiya Pandiya Lakshmi , Alavikunhu Panthakkan , Saeed Al Mansoori , Hussain Al Ahmad

The applications of Normalized Difference Vegetation Index (NDVI) time-series data are inevitably hampered by cloud-induced gaps and noise. Although numerous reconstruction methods have been developed, they have not effectively addressed…

Signal Processing · Electrical Eng. & Systems 2021-08-26 Dong Chu , Huanfeng Shen , Xiaobin Guan , Jing M. Chen , Xinghua Li , Jie Li , Liangpei Zhang

Agriculture plays a crucial role in the global economy and social stability, and accurate crop yield prediction is essential for rational planting planning and decision-making. This study focuses on crop yield Time-Series Data prediction.…

Computers and Society · Computer Science 2025-02-18 Yueru Yan , Yue Wang , Jialin Li , Jingwei Zhang , Xingye Mo

Crop type classification using optical satellite time series remains limited in its ability to generalize across seasons, particularly when crop phenology shifts due to inter-annual weather variability. This hampers real-world applicability…

Computer Vision and Pattern Recognition · Computer Science 2025-07-18 Mehmet Ozgur Turkoglu , Selene Ledain , Helge Aasen

Two new indicators of rainfall seasonality based on information entropy, the relative entropy (RE) and the dimensionless seasonality index (DSI), together with the mean annual rainfall, are evaluated on a global scale for recently updated…

Atmospheric and Oceanic Physics · Physics 2014-09-02 Salvatore Pascale , Valerio Lucarini , Xue Feng , Amilcare Porporato , Shabeh ul Hasson

The continuous increase in global population and the impact of climate change on crop production are expected to affect the food sector significantly. In this context, there is need for timely, large-scale and precise mapping of crops for…

Computer Vision and Pattern Recognition · Computer Science 2022-11-11 Hyun-Woo Jo , Alkiviadis Koukos , Vasileios Sitokonstantinou , Woo-Kyun Lee , Charalampos Kontoes

The present study examined a multi-year reanalysis dataset (ERA5-Land) including numerous drought events across the Iberian Peninsula, with a specific emphasis on the 2005 episode. The mechanisms underlying the transition from…

Atmospheric and Oceanic Physics · Physics 2024-01-18 M. Possega , M. García-Valdecasas Ojeda , S. R. Gámiz-Fortis

Quantification of physiological changes in plants can capture different drought mechanisms and assist in selection of tolerant varieties in a high throughput manner. In this context, an accurate 3D model of plant canopy provides a reliable…

Computer Vision and Pattern Recognition · Computer Science 2017-10-19 Siddharth Srivastava , Swati Bhugra , Brejesh Lall , Santanu Chaudhury

Growing mixtures of annual arable crop species or genotypes is a promising way to improve crop production without increasing agricultural inputs. To design optimal crop mixtures, choices of species, genotypes, sowing proportion, plant…

Drought is a complex stochastic natural hazard caused by prolonged shortage of rainfall. Several environmental factors are involved in determining drought classes at the specific monitoring station. Therefore, efficient sequence processing…

Extreme precipitation events with large spatial extents may have more severe impacts than localized events as they can lead to widespread flooding. It is debated how climate change may affect the spatial extent of precipitation extremes,…

Methodology · Statistics 2022-12-07 Peng Zhong , Manuela Brunner , Thomas Opitz , Raphaël Huser

Drought is a natural creeping threat with numerous damaging effects in various aspects of human life. Accurate drought prediction is a promising step in helping policy makers to set drought risk management strategies. To fulfill this…

Atmospheric and Oceanic Physics · Physics 2020-06-05 Yousef Hassanzadeh , Mohammadvaghef Ghazvinian , Amin Abdi , Saman Baharvand , Ali Jozaghi