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Showing 2401 to 2450 of 59105 works
Multi-scale phenotyping of developing cotton fibers
Cotton fibers in the Gossipyum genus are the foundation of a multi-billion-dollar textile industry. Fiber development begins as unicellular trichoblasts emerge from the seed coat …
Robust Phenotyping Robot with Tactile Feedback
Modern agriculture increasingly relies on non-invasive techniques for plant health monitoring. Touch-based proximal hyperspectral imaging (HSI), where sensors directly clamp onto …
Estimating corn plant nitrogen content from hyperspectral images acquired using UAV and LeafSpec in the field
Nitrogen fertilizers are one of the top expenses for corn farmers in North America, and the highest cost of any input over a growing season. The success of developing better strat…
Remote Phenotyping Strategies for Sunflower Flowering Assessments at Corteva Agriscience
The flowering date of sunflowers is a crucial trait that significantly influences crop management practices and product placement. This trait can be measured by counting the numbe…
Forecasting Tropical Annual Maximum Wet-Bulb Temperatures Months in Advance from the Current State of El Niño
Humid heatwaves, characterized by high temperature and humidity combinations, challenge tropical societies. Extreme wet-bulb temperatures (TW) over tropical land are coupled to th…
Deep fault-controlled fluid flow driving shallow stratigraphically-constrained gas hydrate formation: Urutī Basin, Hiku…
The Hikurangi Margin east of New Zealand’s North Island hosts an extensive gas hydrate province with numerous gas hydrate accumulations related to the faulted structure of the acc…
The 3D crustal structure of the Wilkes Subglacial Basin, East Antarctica, based on joint inversion of gravity and magne…
Direct geological information in Antarctica is limited to ice free regions along the coast, high mountain ranges or isolated nunataks. Therefore, indirect methods are required to …
Subseasonal prediction of impactful California weather in a hybrid dynamical-statistical framework
Atmospheric rivers (ARs) and Santa Ana winds (SAWs) are impactful weather events for California communities. Emergency planning efforts and resource management would benefit from …
Identifying and Dating the White Terraces: New Zealand's Eighth Wonder of the World and the 1886 Rotomahana Basin Hydro…
Below the equator, the preeminent tourist attraction in the late nineteenth century was the White Terraces of Lake Rotomahana in New Zealand.
TerraSentia: Turnkey Autonomous Multi-Sensor UGV Platform for High Throughput Crop Phenotyping
Autonomous robot platforms are increasingly being explored as a solution to critical problems in agriculture and in particular high-throughput field-phenotyping for crop-improveme…
Spatially Resolved Temperature Response Functions to CO2 Emissions
The ability to rapidly simulate the climate implications of a large number of CO2 emissions trajectories is helpful for implementing mitigation and adaptation policies. A key vari…
Exploring the Potential of Long Short-Term Memory Networks for Predicting Net CO2 Exchange Across Various Ecosystems Wi…
Upscaling flux tower measurements based on machine learning (ML) algorithms is an essential approach for large-scale net ecosystem CO2 exchange (NEE) estimation, but existing ML u…
Subaerial Profiles at Two Beaches: Equilibrium and Machine Learning
Weekly to quarterly beach elevation surveys spanning 700-800 m alongshore and 8 years at two beaches were each supplemented with several months of ∼100 sub-weekly surveys. These b…
A strategic architecture for growing a space economy utilizing foundational space weather
We face unprecedented resource stresses in the 21st Century such as global climate disruptions, freshwater scarcity, expanding energy demands, and the threat of global pandemics. …
UK public health and ecosystem benefits of currently legislated versus best available emission control measures
Past emission controls in the UK have substantially reduced precursor emissions of health-hazardous fine particles (PM 2.5 ) and nitrogen pollution detrimental to ecosystems. Stil…
Imaging seismic and aseismic plate coupling with interferometric radar (InSAR) in the Hikurangi subduction zone
The coupling at the interface between tectonic plates is a key geophysical parameter to capture the frictional locking across plate boundaries, and provides a means to estimate wh…
The Radiative Forcing Pattern Effect on Climate Sensitivity
This study investigates how climate sensitivity depends upon the spatial pattern of radiative forcing. Sensitivity experiments using a coupled ocean-atmosphere model were conducte…
ResORR: A Globally Scalable and Satellite Data-driven Algorithm for River Flow Regulation due to Reservoir Operations
Storage and release of surface water by reservoirs can alter the natural streamflow pattern of rivers with negative impacts on the environment. Such reservoir-driven river regulat…
The relation between dissipation and memory in two-fluid displacements in disordered media
We show that the return-point memory of cyclic macroscopic trajectories enables the derivation of a thermodynamic framework for quasistatically driven dissipative systems with mul…
Multi-decadal trends of low clouds at the Tropical Montane Cloud Forests
Clouds are critical to the biodiversity and function of Tropical Montane Cloud Forests (TMCF). These ecosystems provide vital services to humanity and are considered hotspots of e…
Pitfalls in using statistical bias-correction methods to characterize climate change impacts
Characterizing climate change impacts on water resources typically relies on Global Climate Model (GCM) outputs that are bias-corrected using observational datasets. In this proce…
Estimating the CO2 fertilization effect on extratropical forest productivity from Flux-tower observations
The land sink of anthropogenic carbon emissions, a crucial component of mitigating climate change, is primarily attributed to the CO₂ fertilization effect on global gross primary …
From crisis to opportunity: climate change benefits livestock production in Somalia
While the livelihoods of Somalian livestock smallholders are rely heavily on seasonal climate conditions, little is known of long-term implications of the changing climate for thi…
Effective Characterization of Fractured Media with PEDL: A Deep Learning-Based Data Assimilation Approach
In various research fields such as hydrogeology, environmental science and energy engineering, geological formations with fractures are frequently encountered. Accurately characte…
A Novel Spectral-Structural Analysis Method based on Corn Leaf Hyperspectral Images for the Identification of Nitrogen …
As one of the largest supplied grain crops, corn plants often require a significant amount of nitrogen fertilizer for optimal yield. However, excessive fertilizer usage can lead…
Lidar-Detectable Feature Variation in Northern Hardwood Species
This study explores cross-species variations in structural metrics derived from individual tree lidar scans and analyzes the structural characteristics of trees at both the indivi…
The effects of planting date on maize growth and development using unmanned aerial vehicle data
Early detection of plant stress is important, particularly in the face of unpredictable climates. Conventional methods of phenotyping, while useful, lack the ability to provide no…
Data Assimilation Informed model Structure Improvement (DAISI) for robust prediction under climate change: Application …
This paper presents a method to analyze and improve the set of equations constituting a rainfall-runoff model structure based on a combination of a data assimilation algorithm and…
Wavelet Analysis for Automatic Detection of Pi-2 Pulsations during Substorm Onset Along the 210$^{\circ}$ Magnetic Meri…
Ground Pi-2 pulsations comprise superpositions of various modal components of shear and fast Alfven waves, field line resonance, and plasmaspheric resonances. These complex wavefo…
Evaluating Vegetation Modeling in Earth System Models with Machine Learning Approaches
Vegetation Gross Primary Productivity (GPP) is the single largest carbon flux of the terrestrial biosphere which, in turn, is responsible for sequestering $25-30\%$ of anthropogen…
Root Phenotyping Using Pose Estimation
Image segmentation is commonly used to estimate the location and shape of plants and their external structures. Segmentation masks are then used to localize landmarks of interest …
The African Regional Greenhouse Gases Budget (2010-2019)
As part of the REgional Carbon Cycle Assessment and Processes Phase 2 (RECCAP2) project, we developed a comprehensive African Greenhouse gases (GHG) budget for the period 2010-201…
Digital lean phenotyping methods in the context of wheat variety testing – the cases of canopy temperature and phenology
Plant phenotyping plays a crucial part in the development of new crop genotypes. In this study, the applicability of relatively simple commercially available digital phenotyping d…
Sorghum Roots in Focus: Leveraging Minirhizotrons and Machine Learning for Root Growth Analysis and Prediction
Roots are vital for crop development, facilitating water and nutrient uptake, adapting to soil conditions, and supporting above-ground plant growth. Sorghum, a climate-resilient a…
Constraint on Net Long Term Climate Feedback to Emerge From Satellite Observed Internal Variability by Mid 2040s
Climate feedbacks are vital in shaping the extent of global warming. While directly observing climate feedbacks is hardly feasible, it is possible to establish a relationship betw…
An approach to link climate model tropical cyclogenesis bias to large-scale wind circulation modes
Attributing sources of tropical cyclogenesis (TCG) bias to large-scale circulation in global circulation models is challenging. Here, we propose the use of empirical orthogonal fu…
Reflecting on Our Present Self-Awareness of Not Having Found Any Life Beyond Earth
The quest for finding extraterrestrial life has been a fascination for humanity for centuries, yet we have not yet found any concrete evidence of life beyond our planet, except fo…
Rock Coatings as Evidence for Late Surface Alteration on the Floor of Jezero Crater, Mars
During the NASA Perseverance rover’s exploration of the Jezero crater floor, purple-hued coatings were commonly observed on rocks. These features likely record past water-rock-atm…
Full field-of-view imaging and multistatic operations for SuperDARN Borealis radars
Super Dual Auroral Radar Network (SuperDARN) consists of more than 30 monostatic high-frequency (HF, 10-18~MHz) radars which utilise signals scattered from decameter-scale ionosph…
ENSO and NAO Linkage to Strong Volcanism and Associated Post-Volcanic High-latitude Winter Warming
High-latitude winter warming was observed following strong tropical volcanism, which has long been believed to be due to the volcanic-induced positive NAO phase. However, recent w…
Quantifying heterotrophic bacteria parameters and dissolved organic carbon biodegradability through oxygen data assimil…
This study represents a pioneering endeavor in estimating the biodegradability of dissolved organic carbon (DOC) in river systems thanks to high-frequency dissolved oxygen (DO) da…
Deriving overlapped cloud motion vectors based on geostationary satellite and its application on monitoring Typhoon Mul…
We present a novel Overlapped Cloud Motion Vectors (OCMVs) deriving algorithm using the Himawari-8 satellite. A multi-layer Cloud Top Heights (CTHs) retrieving model based on mult…
Underestimation of Frequent Floods when Using Annual Maxima for Frequency Analysis: Drivers, Spatial Variability, and P…
Because they are conceptually unable to consider events at the sub-annual scale, probabilistic flood analyses based on annual maxima (AM) underestimate the actual frequency of fre…
Geochemical and Photochemical Constraints on S[IV] Concentrations in Natural Waters on Prebiotic Earth
Aqueous S[IV] species (HSO 3 − , SO 3 2− ) derived from volcanogenic atmospheric SO 2 are important to planetary habitability through their roles in proposed origins-of-life chem…
Utilizing Neural Radiance Fields (NeRFs) Understand Nutrient Stress Phenotypes in 3D
In precision agriculture and plant biology, monitoring nutrient stress in crops is of paramount importance for ensuring optimal yield and resource utilization. However, nutrient s…
Regimes of precipitation change over Europe and the Mediterranean
The Mediterranean region is experiencing pronounced aridification and in certain areas higher occurrence of intense precipitation. In this work, we analyze the evolution of the ra…
India-Asia slowing convergence rate controls on the Cenozoic Himalaya-Tibetan tectonics
The Cenozoic evolution of the Himalaya-Tibet Plateau, dictated by the India-Asia convergence, remains a subject of substantial ambiguity. Here, a thermo-mechanical model is used t…
Developing an Explainable Variational Autoencoder (VAE) Framework for Accurate Representation of Local Circulation in T…
This study develops an explainable variational autoencoder (VAE) framework to efficiently generate high-fidelity local circulation patterns in Taiwan, ensuring an accurate represe…
Characteristics of Precipitation and Mesoscale Convective Systems over the Peruvian Central Andes in Multi 5-Year Conve…
Using the Weather Research and Forecasting (WRF) model with two planetary boundary layer schemes, ACM2 and MYNN, convection-permitting model (CPM) regional climate simulations wer…
Study on Seepage for Random Packed Porous Media Using the Lattice Boltzmann Method
The permeability coefficient of seepage is an important factor that is widely used in various engineering fields. There are numerous issues that influence the permeability coeffic…
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