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The monitoring of water quality is a crucial part of environmental protection, and a large number of monitors are widely deployed to monitor water quality. Due to unavoidable factors such as data acquisition breakdowns, sensors and…

机器学习 · 计算机科学 2025-04-22 Xin Liao , Bing Yang , Tan Dongli , Cai Yu

Signal processing techniques are of vital importance to bring THz spectroscopy to a maturity level to reach practical applications. In this work, we illustrate the use of machine learning techniques for THz time-domain spectroscopy assisted…

信号处理 · 电气工程与系统科学 2023-10-09 Milan Koumans , Daan Meulendijks , Haiko Middeljans , Djero Peeters , Jacob C. Douma , Dook van Mechelen

Flooded rice production is crucial to global food security, but there are associated environmental concerns. In particular, it is a significant source of methane and nitrous oxide emissions and a large consumer of water resources, while…

定量方法 · 定量生物学 2020-06-05 S. F. U. Islam , A. de Neergaard , B. O. Sander , L. S. Jensen , R. Wassmann , J. W. van Groenigen

Heterogeneous nucleation and subsequent growth of surface water occur on the natural substrate when the water vapor concentration reached the point of super-saturation. This study focuses on the parameterization of super-saturation on the…

大气与海洋物理 · 物理学 2019-05-21 Limin Feng , Yang Yu , Huan Xie , Yujiao Zhu , Huiwang Gao , Xiaohong Yao

An imbalance between bodily heat production and heat dissipation leads to heat stress in organisms. In addition to diminished animal well-being, heat stress is detrimental to the poultry industry as poultry entails fast growth and high…

The assessment of water quality across space and time is of considerable interest for both agricultural and public health reasons. The standard method to assess the water quality of a catchment, or a group of catchments, usually involves…

应用统计 · 统计学 2017-02-28 Adrien Ickowicz , Jessica H. Ford , Keith R. Hayes

Marine chlorophyll which is present within phytoplankton are the basis of photosynthesis and they have a high significance in sustaining ecological balance as they highly contribute toward global primary productivity and comes under the…

定量方法 · 定量生物学 2023-04-26 Subhrangshu Adhikary , Sudhir Kumar Chaturvedi , Saikat Banerjee , Sourav Basu

Vegetation characteristics providing spatial heterogeneity at the channel reach scale can produce complex flow patterns and the relationship between plant patterns morphology and flow resistance is still an open question (Nepf 2012). Unlike…

地球物理 · 物理学 2016-08-09 Fabrice Vinatier , Jean-Stéphane Bailly , Gilles Belaud , David Combemale

Many plants become limp or droop through heat, loss of water, or disease. This is also known as wilting. In this paper, we examine plant wilting caused by bacterial infection. In particular, we want to design a metric for wilting based on…

计算机视觉与模式识别 · 计算机科学 2021-05-28 Changye Yang , Sriram Baireddy , Enyu Cai , Valerian Meline , Denise Caldwell , Anjali S. Iyer-Pascuzzi , Edward J. Delp

Active wake control (AWC) has emerged as a promising strategy for enhancing wind turbine wake recovery, but accurately modelling its underlying fluid mechanisms remains challenging. This study presents a computationally efficient wake model…

流体动力学 · 物理学 2025-06-25 Zhaobin Li , Xiaolei Yang

Proximal gamma-ray spectroscopy supported by adequate calibration and correction for growing biomass is an effective field scale technique for a continuous monitoring of top soil water content dynamics to be potentially employed as a…

Modern day studies show a high degree of correlation between high yielding crop varieties and plants with upright leaf angles. It is observed that plants with upright leaf angles intercept more light than those without upright leaf angles,…

计算机视觉与模式识别 · 计算机科学 2024-08-02 Venkat Margapuri , Prapti Thapaliya , Trevor Rife

Soil moisture (SM) estimation from active microwave data remains challenging due to the complex interactions between radar backscatter and surface characteristics. While the water cloud model (WCM) provides a semi-physical approach for…

机器学习 · 计算机科学 2025-05-02 Yi Yu , Patrick Filippi , Thomas F. A. Bishop

The environmental impact of electricity consumption is commonly assessed through its carbon footprint (CF), while water-related impacts are often overlooked despite the strong interdependence between energy and water systems. This is…

Thermoelectric power production at risk, owing to current and projected water scarcity and rising stream temperatures, is assessed for the contiguous United States at decadal scales. Regional water scarcity is driven by climate variability…

经济学 · 定量金融 2015-11-30 Poulomi Ganguli , Devashish Kumar , Auroop R. Ganguly

In this paper, we investigate the potential of estimating the soil-moisture content based on VNIR hyperspectral data combined with LWIR data. Measurements from a multi-sensor field campaign represent the benchmark dataset which contains…

计算机视觉与模式识别 · 计算机科学 2018-10-02 Sina Keller , Felix M. Riese , Johanna Stötzer , Philipp M. Maier , Stefan Hinz

The soil water retention curve (SWRC) is the most commonly used relationship in the study of unsaturated soil. In this paper, the effect of porosity on the SWRC is investigated by numerically modeling unsaturated soil using the Shan-Chen…

地球物理 · 物理学 2021-07-14 Reihaneh Hosseini , Krishna Kumar , Jean-Yves Delenne

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…

计算机视觉与模式识别 · 计算机科学 2017-10-19 Siddharth Srivastava , Swati Bhugra , Brejesh Lall , Santanu Chaudhury

In this paper, we introduce MotionLeaf , a novel mmWave base multi-point vibration frequency measurement system that can estimate plant stress by analyzing the surface vibrations of multiple leaves. MotionLeaf features a novel signal…

信号处理 · 电气工程与系统科学 2024-10-08 Mark Cardamis , Chun Tung Chou , Wen Hu

In classical sparse representation based classification and weighted SRC algorithms, the test samples are sparely represented by all training samples. They emphasize the sparsity of the coding coefficients but without considering the local…

应用统计 · 统计学 2017-02-17 Shanwen Zhang , Harry Wang , Wenzhun Huang