306 search results for “anthropogenic noise” in the Public website
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University Leiden
Our institute aspires to be the center of excellence for strategic and quantitative research and education on sustainable use and governance of natural resources and biodiversity. We have two distinct research programmes: Environmental Biology and Industrial Ecology. The department of Industrial…
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Insights from scanning tunneling microscopy experiments into correlated electron systems
This thesis presents insights from our study of various correlated electron systems with a scanning tunneling microscope (STM). In ordinary metals, electron-electron interactions exist, but get substantially screened due to the sheer number of electrons.
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Vibration Isolation
To be able to measure small forces or small deviations from Boltzmann, the external vibrations at the resonance frequency must be very low. To achieve this, we have developed a very soft vibration isolation system and combine it with several other measures to reduce vibrations in our dilution refrigerators.…
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Whispering Wind
Whispering Wind (Fluisterende wind), a sound artwork by Edwin van der Heide, is situated in the passage that cuts right under the P.J. Veth building of Leiden University.
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SAPPAO - Optimizing the flight times of airplanes using data science
The SAPPAO project aims to optimise the accuracy and reliability of predicting scheduled flight times. The full name of the project is 'A Systems Approach towards Data Mining and Prediction in Airlines Operations'.
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Ecology PhD student wins Dutch award for investigative journalism
PhD student and research journalist Sebastiaan Grosscurt won a Tegel in May. In the data category, Grosscurt and his colleagues won the prestigious Dutch journalism award. 'For me, ecological research and journalism are two ways of achieving the same thing.'
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Can large carnivores like tigers survive in multiple use forests? A study in the buffer zone of Panna Tiger Reserve, India.
Which factors (human-dimension and carnivore related) shape human tolerance of large carnivore and large carnivore survival in multiple use forests?
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Expanding the coverage of ecosystem services in life cycle assessment: an interdisciplinary venture
To contribute to the body of knowledge aiming at a better coverage of ecosystem service assessment in LCA studies, this thesis dives into the challenges of incorporating existing ecosystem service methods within the impact assessment phase of the conventional LCA framework.
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Microbial communities in Pampa soils; impact of land use changes, soil type and climatic conditions
Promotor: J.A. van Veen, Co-promotor: E.E. Kuramae
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Life Cycle Assessment-Based Guidance for development of New Energy Technologies
The development of new environmentally sound technologies is seen as a key route towards achieving sustainability.
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Evolution & Biodiversity
Evolution & Biodiversity is one of the four research themes of the Institute of Biology Leiden.
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Plant occurrence in space and time: the importance of land use, habitat structure, and pollination mode
Plant diversity is essential for us and our planet as it sustains the stability of our ecosystems, provides vital materials and food to us and supports many ecosystem services.
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Ecology and conservation of spotted hyena in human dominated landscapes in northern Ethiopia
Promotors: Prof.dr. G.R. de Snoo, Prof.dr. H. Leirs (Univ. Antwerpen), Co-promotor: H.H. de Iongh
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Department of Environmental Biology (CML-EB)
Mission: The Environmental Biology department aims to increase the scientific understanding of how current and emerging anthropogenic threats affect biodiversity and ecosystem services. Through this understanding they facilitate strategic management of natural resources by addressing urgent challenges…
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North Sea Noise in the Anthropocene
PhD defence
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Model-assisted robust optimization for continuous black-box problems
Uncertainty and noise are frequently-encountered obstacles in real-world applications of numerical optimization. The practice of optimization that deals with uncertainties and noise is commonly referred to as robust optimization.
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The power of one qubit in quantum simulation algorithms
Quantum computing is an emerging technology, which holds the potential to simulate complex quantum systems beyond the reach of classical numerical methods.Despite recent formidable advancements in quantum hardware, constructing a quantum computer capable of performing useful calculations remains challenging.In…
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Bayesian Inference for Gaussian Models
This dissertation studies the Asymptotics of Bayesian nonparametric inference for Gaussian linear models.
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Prior Research
The van Exter group has an extensive history of prior research in classical and quantum optics. As former part of the group of Han Woerdman, we have studied topics as diverse as:
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‘Fire-free’ survival strategies for the early occupants of north-west Europe
In Europe, archaeological traces of fire become more frequent between 300,000 and 400,000 years ago; but could the earliest occupants have survived without fire for at least half a million years before this? How could the early occupants of Europe have kept warm and processed meat without fire?
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Environmental Humanities in the New Himalayas: Symbiotic Indigeneity, Commoning, Sustainability
Environmental Humanities in the New Himalayas: Symbiotic Indigeneity, Commoning, Sustainability showcases how the eco-geological creativity of the earth is integrally woven into the landforms, cultures, and cosmovisions of modern Himalayan communities.
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Towards an effective biodiversity conservation and governance in the Pontocaspian region
Freshwater and brackish water ecosystems are arguably the most vulnerable ecosystems on earth, due to concentrated human developments in and around them. The Pontocaspian (PC) region located at the border of Europe and Asia contains a variety of brackish water ecosystems and unique inhabitants, known…
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Artifical intelligence gets a boost from quantum computing
Machine learning - on classical computers- has made great progress in the past five years. Computer translation of speech and text is just one example. In Leiden, some researchers expect that machine learning, empowered by quantum systems, even if they only contain a few dozen qubits, can lead to a…
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Setup: MRFM
MRFM combines the principles of magnetic resonance and atomic force microscopy.
- About the speakers
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Automatic annotation of multi-modal language resources
The AAM-LR project aims at building a demonstrator of a web service that will help filed researchers to annotate audio- and video-recordings.
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The details of past actions on a smartphone touchscreen are reflected by intrinsic sensorimotor dynamics
Unconstrained day-to-day activities are difficult to quantify and how the corresponding movements shape the brain remain unclear. Here, we recorded all touchscreen smartphone interactions at a sub-second precision and show that the unconstrained day-to-day behavior captured on the phone reflects in…
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Research themes
The Institute of Biology Leiden (IBL) is an internationally oriented institute for research and education in biology.
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Animal Sciences
We perform multidisciplinary research at molecular, cellular, and organismal levels of animal biology to increase fundamental understanding of health and disease.
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Archaeology of the Lower Maroni River
The application of compliance archaeology techniques such as mechanical large scale excavations where large quantities of data are gathered in relatively little time (and relatively inexpensively) and a firm post-excavation research phase yielded a whole new body of archaeological evidence.
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LED3 Lecture: Noise Regulation: Tuning Fluctuations to Impact Cell-fate Decisions
Lecture
- Jan van Ruitenbeek Lab - Atomic and Molecular Conductors
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Applied statistics as a pillar of data science
Data science is now growing fast in many places, but scholars at Leiden University have been developing data science techniques for a long time already. Thanks to their broad-based expertise, Leiden statisticians are currently combining the achievements in statistics with the latest methods of statistical…
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NExt ApplicationS of Quantum Computing (NEASQC)
The NEASQC project brings together academic experts and industrial end-users to investigate and develop a new breed of Quantum-enabled applications that can take advantage of NISQ (Noise Intermediate-Scale Quantum) systems in the near future. NEASQC is use-case driven, addressing practical problems…
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Quantum to Classical
In Quantum mechanics, particles can be in multiple positions simultaneously. Yet, when a measurement is made, the particle is found only in one place. Technology has come to a point where we may design experiments that will tell us how.
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C.J. Kok Jury Award for Thesis of the Year
Isotopes on exoplanets, a more efficient memory for data centres or new molecules that work against the Zika virus and HIV. Which PhD candidate has written the most impressive dissertation of 2023? The jury of the C.J. Kok Jury Award faces the challenging task of deciding that. Meet the nominees of…
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Academy of Creative and Performing Arts
The arts and science: for years, they were seen as opposite extremes. One calls on emotion and the other on reason. The Academy of Creative and Performing Arts (ACPA) proves that nothing could be further from the truth. ACPA is where the knowledge and expertise of Leiden University and the University…
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On transport properties of Majorana fermions in superconductors: free & interacting
Majorana fermions in superconductors are the subgap quasiparticle excitations that are their own antiparticles.
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Flexing the Slot Regime
On 16 December 2021, Lisanne van Houten defended the thesis 'Flexing the Slot Regime'. The doctoral research was supervised by Prof. P. Mendes de Leon and Prof. L. Pierallini (Luiss University Of Rome).
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Interaction of oxygen and carbon monoxide with Pt(111) at intermediate pressure and temperature: revisiting the fruit fly of surface science
Promotor: M.T.M. Koper, Co-promotors: A.I. Yanson, L.B.F. Juurlink
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Deep learning for tomographic reconstruction with limited data
Tomography is a powerful technique to non-destructively determine the interior structure of an object.Usually, a series of projection images (e.g.\ X-ray images) is acquired from a range of different positions.
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Advances in SQUID-detected Magnetic Resonance Force Microscopy
In this thesis, we describe the latest advances in SQUID-detected Magnetic Resonance Force Microscopy (MRFM).
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Chemical functionalization of the graphene surface for electrical and electrochemical sensing application
Advanced sensing techniques require graphene with high quality and well-controlled surface chemistry.
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LC-Impact
How can we develop and further improve life cycle impact assessment methods, characterisation factors and normalisation factors?
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The Lead Zeppelin
As an alternative to the diving board shaped force sensor, we are now developing a magnetically levitated small superconducting particle – or ‘Lead Zeppelin'' – as our mechanical resonator. We explore routes towards detection of gravity between small objects.
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Landscape change, community wellbeing and small island contexts
How has landscape and land use changed in these two case studies since independence? What has caused these changes, whether anthropogenic or natural? How do local communities in the areas of study perceive these changes? How can community knowledge be integrated with mapping tools (GIS) to contribute…
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From Noise to Insight: The Functional Role of BOLD Signal Variability and Aperiodic Neural Activity in Metacontrol
PhD defence
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Mediating from Within. Metaxical Amplification as an Alternative Sonic Environment for Classical Music Performance
Heloisa’s doctoral research examines classical music performance from a curatorial perspective, reflecting upon and challenging the traditional configuration of performance environments.
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Empirical signatures of universality, hierarchy and clustering in culture
In this thesis,
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Martin van Exter Lab - Quantum Optics and Light-Matter Interaction
Research in the van Exter lab focuses on quantum aspects of light and light-matter interaction. One of our long-term goals is to develop a reliable quantum memory, based on a single emitter in an open micro cavity.