Michał Niedźwiecki
A5014418163- Astrophysics and Cosmic Phenomena
- Dark Matter and Cosmic Phenomena
- Particle Detector Development and Performance
- Aquatic Ecosystems and Phytoplankton Dynamics
- Marine and coastal ecosystems
- Neutrino Physics Research
- Computational Physics and Python Applications
- Peatlands and Wetlands Ecology
- Integrated Water Resources Management
- Coastal wetland ecosystem dynamics
- Radio Astronomy Observations and Technology
- Botany and Plant Ecology Studies
- Gamma-ray bursts and supernovae
- Biocrusts and Microbial Ecology
- Opportunistic and Delay-Tolerant Networks
- Diatoms and Algae Research
- Astronomical Observations and Instrumentation
- Radiation Therapy and Dosimetry
- Solar and Space Plasma Dynamics
- Particle physics theoretical and experimental studies
- Cultural Heritage Materials Analysis
- Earthquake Detection and Analysis
- Protist diversity and phylogeny
- Evolutionary Game Theory and Cooperation
- Environmental Science and Water Management
Institute of Nuclear Physics, Polish Academy of Sciences
2021-2023
University of Life Sciences in Lublin
2014-2023
University of Prešov
2023
Cracow University of Technology
2015-2022
AGH University of Krakow
2011-2021
Uniwersytet Komisji Edukacji Narodowej w Krakowie
2021
Institute of Computer Science
2021
Abstract To determine the drivers of phytoplankton biomass, we collected standardized morphometric, physical, and biological data in 230 lakes across Mediterranean, Continental, Boreal climatic zones European continent. Multilinear regression models tested on this snapshot mostly eutrophic (median total phosphorus [TP] = 0.06 nitrogen [TN] 0.7 mg L −1 ), its subsets (2 depth types 3 zones), show that light climate stratification strength were most significant explanatory variables for...
The man-machine interface (MMI) is one of the most exciting areas contemporary research. To make MMI as convenient for a human possible, it desirable that efficient algorithms recognizing body language are developed. This paper presents system quick and effective recognition gestures hand language, based on data from specialized glove equipped with ten sensors. In experiment, 10 people performed 22 gestures. Each was executed times. Collected were preprocessed in multiple ways three machine...
Abstract Under ongoing climate change and increasing anthropogenic activity, which continuously challenge ecosystem resilience, an in-depth understanding of ecological processes is urgently needed. Lakes, as providers numerous services, face multiple stressors that threaten their functioning. Harmful cyanobacterial blooms are a persistent problem resulting from nutrient pollution climate-change induced stressors, like poor transparency, increased water temperature enhanced stratification....
The Cosmic Ray Extremely Distributed Observatory (CREDO) is a newly formed, global collaboration dedicated to observing and studying cosmic rays (CR) ray ensembles (CRE): groups of minimum two CR with common primary interaction vertex or the same parent particle. CREDO program embraces testing known CRE scenarios, preparing observe unexpected physics, it also suitable for multi-messenger multi-mission applications. Perfectly matched capabilities, could be formed both within classical models...
Laser-induced breakdown spectroscopy (LIBS) is an important analysis technique with applications in many industrial branches and fields of scientific research. Nowadays, the advantages LIBS are impaired by main drawback interpretation obtained spectra identification observed spectral lines. This procedure highly time-consuming since it essentially based on comparison lines present spectrum literature database. paper proposes use various computational intelligence methods to develop a...
Climate change has increased the frequency, duration and intensity of heatwaves in Europe. These extreme events result alterations physical, chemical, biological properties lakes that may synergistically promote cyanobacterial dominance. In our study we focused on blooms distributed over a longitudinal gradient Central Europe during one "top ten European heat waves" summer 2015. 92 were included study, located across three climatic subregions: cool northern lakes, situated Lithuania,...
Abstract Propagation of ultra-high energy photons in the solar magnetosphere gives rise to cascades comprising thousands photons. We study cascade development using Monte Carlo simulations and find that are spatially extended over millions kilometers on plane distant from Sun by 1 AU. estimate chance detection considering upper limits current cosmic rays observatories order provide an optimistic rate 0.002 events per year a chosen ring-shaped region around Sun. compare results which use two...
We present the purpose, long-term development vision, basic design, detection algorithm and preliminary results obtained with Cosmic Ray Extremely Distributed Observatory (CREDO) Detector mobile application. The CREDO app related infrastructure are unique in terms of their scale, targeting many form-factors open-access philosophy. This philosophy translates to open-source code app, both data inflow as well consumption above all, citizen science that means is open all who wish participate...
Gamification is known to enhance users’ participation in education and research projects that follow the citizen science paradigm. The Cosmic Ray Extremely Distributed Observatory (CREDO) experiment designed for large-scale study of various radiation forms continuously reach Earth from space, collectively as cosmic rays. CREDO Detector app relies on a network involved users now working worldwide across phones other CMOS sensor-equipped devices. To broaden user base activate current users,...
Muons and other ionizing radiation produced by cosmic rays radiative decays affect CMOS/CCD sensor. When particles colliding with sensors atoms cause specific kind of noise on images recorded cameras. We present a concept preliminary implementation method for recognizing those events algorithms image processing their classification machine learning. Our consists analyzing the shape traces in camera sensor metadata related to an like model, GPS location camera, vertical horizontal orientation...
Abstract The Cosmic-Ray Extremely Distributed Observatory (CREDO) is the project to search and study ultra high-energy cosmic ray particles from deep space producing simultaneous extensive air showers over entire exposed surface of Earth. concept CREDO infrastructure assumes absorbing all kinds data any apparatus world, including professional instruments, educational detectors arrays, popular devices such as smartphones. We discuss here usefulness possibilities using last one present...
The last decade has brought about a profound transformation in multimessenger science. Ten years ago, facilities had been built or were under construction that would eventually discover the nature of objects our universe could be detected through multiple messengers. Nonetheless, science was hardly more than dream. rewards for foresight finally realized IceCube's discovery diffuse astrophysical neutrino flux, first observation gravitational waves by LIGO, and joint detections photons...
The Cosmic-Ray Extremely Distributed Observatory (CREDO) is a project dedicated to global studies of extremely extended cosmic-ray phenomena, the ensembles (CRE), beyond capabilities existing detectors and observatories. Up date, research has been focused on detecting single air showers, while search for cosmic-rays, which may overspread significant fraction Earth, scientific terra incognita. Instead developing commissioning completely new detector infrastructure, CREDO proposes approaching...
Reliable tools for artefact rejection and signal classification are a must cosmic ray detection experiments based on CMOS technology. In this paper, we analyse the fitness of several feature-based statistical classifiers particle candidate hits in four categories: spots, tracks, worms artefacts. We use Zernike moments image function as feature carriers propose preprocessing denoising scheme to make extraction more efficient. As opposed convolution neural network classifiers, allow...
The Cosmic Ray Extremely Distributed Observatory (CREDO) pursues a global research strategy dedicated to the search for correlated cosmic rays, so-called Ensembles (CRE). Its general approach CRE detection does not involve any priori considerations, and its encompasses both spatial temporal correlations, on different scales. Here we time clustering of ray events collected with small sea-level extensive air shower array at University Adelaide. consists seven one-square-metre scintillators...
The Cosmic-Ray Extremely Distributed Observatory (CREDO) was established to detect and study ultra high-energy cosmic ray particles. In addition making use of traditional methods for finding rare extended events such as professional-grade Extensive Air Shower (EAS) arrays, well educational ‘class-room’ detectors, CREDO also makes cameras in smartphones particle detectors. Beyond the primary scientific goal project, Cosmic Ray Ensembles, is equally important project. To EAS detection, it...
The Cosmic Ray Extremely Distributed Observatory (CREDO) is a newly formed, global collaboration dedicated to observing and studying cosmic rays (CR) ray ensembles (CRE): groups of minimum two CR with common primary interaction vertex or the same parent particle. CREDO program embraces testing known CRE scenarios, preparing observe unexpected physics, it also suitable for multi-messenger multi-mission applications. Perfectly matched capabilities, could be formed both within classical models...
The Cosmic-Ray Extremely Distributed Observatory (CREDO) uses the hunt for particle cascades from deep space as a vehicle unique ``bottom-up'' approach to scientific research. By engaging non-specialist public of all ages ``citizen scientists'' we create opportunities lifelong learning individuals well cooperation and sharing common educational tools amongst institutions. discoveries these citizen scientists will feed directly into pioneering new area research oriented on Cosmic Ray...
The Cosmic Ray Extremely Distributed Observatory (CREDO) is a newly formed, global collaboration dedicated to observing and studying cosmic rays (CR) ray ensembles (CRE): groups of minimum two CR with common primary interaction vertex or the same parent particle. CREDO program embraces testing known CRE scenarios, preparing observe unexpected physics, it also suitable for multi-messenger multi-mission applications. Perfectly matched capabilities, could be formed both within classical models...
Abstract Despite its ecological importance, little information is available regarding spatial and seasonal changes in the testate amoebae community peat bogs. The objectives of this study were to examine structure communities horizontal distribution fauna, improve understanding factors affecting moss analyze a Sphagnum-dominated bog (eastern Poland). A total 45 species identified samples. highest richness occurred hollows dominated by Sphagnum angustifollum , much lower numbers taxa observed...
One of the main objectives CREDO project is to register cosmic-ray cascades in many distributed detectors search for so-called Cosmic-Ray Ensembles (CRE). This requires precise knowledge probability detection individual Extensive Air Showers (EAS) a very wide range energies and an analysis their correlations. The standard approach based on detailed extensive simulations not possible such systems; thus, faster method developed. Knowing characteristics EAS from more general simulations, any...