Filters








15,587 Hits in 7.2 sec

Acquisition and Representation of Knowledge for Atmospheric New Particle Formation [chapter]

Markus Stocker, Elham Baranizadeh, Amar Hamed, Mauno Rönkkö, Annele Virtanen, Ari Laaksonen, Harri Portin, Mika Komppula, Mikko Kolehmainen
2013 IFIP Advances in Information and Communication Technology  
We evaluate and discuss the system for the automated representation of knowledge for situations of atmospheric new particle formation.  ...  We outline the architecture and implementation of an ontology-based environmental software system for the automated representation of knowledge for real world situations acquired from measurement data.  ...  The Finnish Measurement, Monitoring and Environmental Efficiency Assessment research program for supporting the publication. Clark & Parsia LLC for a Stardog developer license.  ... 
doi:10.1007/978-3-642-41151-9_10 fatcat:wi6atkjfnnfynmhzoo3nflmhyq

Curating Scientific Information in Knowledge Infrastructures

Markus Stocker, Pauli Paasonen, Markus Fiebig, Martha A Zaidan, Alex Hardisty
2018 Data Science Journal  
The systematic acquisition, curation, possible publishing and further processing of information gained in observational data interpretation-as machine readable data and their machine readable meaning-is  ...  In digital form, the classical bearer of information are the commonly known "(elaborated) data products," for instance maps.  ...  Michael Pikridas (The Cyprus Institute) for insight on their NPF event classification scheme. We thank Giuseppe La Rocca, Dr. Yin Chen and EGI Federated Cloud providers for the use of resources.  ... 
doi:10.5334/dsj-2018-021 fatcat:r6imb3vwj5c3honaibdwfho4re

Improving students' understanding of greenhouse effect, acid rain and the depletion of stratospheric ozone

Bernd Ralle, Thomas Roßbegalle
2016 LUMAT  
For example they can acquire a scientifical understanding of the transformation of radiation in the process of greenhouse effect or they can describe the chemical processes of the formation of acid rain  ...  Contrary to the demands of Education for Sustainable Development (ESD), three recently published studies have shown that German students still struggle with the acquisition of a scientifically acceptable  ...  In the fourth step, students use their new knowledge in a new situation (Transfer).  ... 
doi:10.31129/lumat.4.1.4 fatcat:26yp22xf7jaolpgk3x57rtzinm

D9.2 Service deployment in computing and data e-Infrastructures Version 2

Yin Chen, Ingemar Haggström, Justin Buck, Markus Stocker, Thierry Carval, Domenico Vitale, Robert Huber, Margareta Hellström, Leonardo Candela, Florian Haslinger
2018 Zenodo  
This document reports on implementation results of T9.1 use cases for testing and validating ENVRIplus Theme 2 service solutions.  ...  Science Demonstrator 2 showcases a novel implementation of a computationally efficient tool for processing of Eddy Covariance (EC) data which offers to users the possibility to calculate EC fluxes through  ...  New particle formation events are atmospheric events whereby aerosol particles form and grow over the course of a day at specific spatial locations.  ... 
doi:10.5281/zenodo.3258529 fatcat:vechjtliprgillihz6ro7nai4y

Multidimensional Analytical Characterization of Water-Soluble Organic Aerosols: Challenges and New Perspectives

Regina M. B. O. Duarte, João T. V. Matos, Armando C. Duarte
2021 Applied Sciences  
This review highlights the multidimensional non-targeted analytical strategies that have been developed and employed for providing new insights into the structural and molecular features of water-soluble  ...  Water-soluble organic aerosols (OA) are an important component of air particles and one of the key drivers that impact both climate and human health.  ...  of atmospheric aerosols.  ... 
doi:10.3390/app11062539 fatcat:mp6iob4dlvffnk5vny34coai3y

Small and Adrift with Self-Control: Using the Environment to Improve Autonomy [chapter]

M. Ani Hsieh, Hadi Hajieghrary, Dhanushka Kularatne, Christoffer R. Heckman, Eric Forgoston, Ira B. Schwartz, Philip A. Yecko
2017 Springer Proceedings in Advanced Robotics  
We present information theoretic search strategies for single and multirobot teams to localize the source of a chemical spill in turbulent flows.  ...  Since coherent structures enables the prediction and estimation of the environmental dynamics, we discuss how this geophysical perspective can result in improved control strategies for autonomous systems  ...  of the particle with steepest expected reduction in entropy; 9 Obtain sensor reading and compute new particle weights for the samples; 10 Re-sample; Algorithm 1: Single robot search strategy. motion  ... 
doi:10.1007/978-3-319-60916-4_22 dblp:conf/isrr/HsiehHKHFSY15 fatcat:hfxzlnyztzggpjthj6t4pgkyni

Particle formation and surface processes on atmospheric aerosols: A review of applied quantum chemical calculations

Angelina Leonardi, Heather M. Ricker, Ariel G. Gale, Benjamin T. Ball, Tuguldur T. Odbadrakh, George C. Shields, Juan G. Navea
2020 International Journal of Quantum Chemistry  
In particular, we emphasize recent work in two areas: new particle formation and heterogeneous processes.  ...  Details in quantum chemical methods are provided, elaborating on computational models for prenucleation, secondary organic aerosol formation, and aerosol interface phenomena.  ...  Ricker, and Juan G. Navea  ... 
doi:10.1002/qua.26350 fatcat:krinar3xqzhwxcswlbv7hn2fwy

INFUSING ISLAMIC VALUES AND SUSTAINABLE DEVELOPMENT INTO CHEMISTRY FOR PRE-SERVICE ISLAMIC ELEMENTARY SCHOOL TEACHERS

Muhamad Imaduddin
2019 Jurnal Pendidikan Sains Universitas Muhammadiyah Semarang  
This paper discusses the designs in infusing Islamic values and sustainable development and how challenges must be faced in the training for pre-service Islamic elementary school teachers.  ...  Based on pedagogical planning, lesson plans are divided into four stages, consisting of (1) phase of contact; (2) phase of curiosity and planning; (3) phase of elaboration; and (4) phase of deepening and  ...  Science is both a body of knowledge that has been accumulated over time and a processscientific inquiry-that generates new knowledge (NRC, 2009) .  ... 
doi:10.26714/jps.7.1.2019.47-54 fatcat:pd53ivfol5h6hhue4muuhhgtm4

RAVE: First results and 2nd data release

A. Siebert, the RAVE collaboration
2008 Astronomical Notes - Astronomische Nachrichten  
For the first time, the release also provides atmospheric parameters for a large fraction of the 2nd year data making it an unprecedented tool to study the formation of the Milky Way.  ...  RAVE will offer the first truly representative inventory of stellar radial velocities for all major components of the Galaxy.  ...  Swiss National Science Foundation, the National Science Foundation of the USA (AST-0508996), the Netherlands Organisation for Scientific Research, the Particle Physics and Astronomy Research Council of  ... 
doi:10.1002/asna.200811104 fatcat:p3spj7gaaneovc3g55hd6heuau

Ground-Based Atmospheric Remote Sensing in the Netherlands: European Outlook

H. RUSSCHENBERG
2005 IEICE transactions on communications  
This paper describes the contours of a Dutch monitoring and research site for climate change and related atmospheric processes.  ...  The station has large benefits for atmospheric science, both in The Netherlands and internationally.  ...  Special thanks to Marcus Quante (GKSS, Germany) and Susanne Crewell (University of Munich for supplying the data of Fig. 1 , and to Felix Yanovsky (Kiev University of Aviation, Ukraine) for the data analysis  ... 
doi:10.1093/ietcom/e88-b.6.2252 fatcat:gdilbltysbarzas4erghbcidbu

Real-Time Iris Tracking-based on a Generalized Probabilistic Particle Filter

Romany F. Mansour
2017 Indian Journal of Science and Technology  
The main Abstract Objectives: We have proposed a new approach for tracking the iris, based on a generalized probabilistic particle filter.  ...  Methods/Statistical Analysis: This paper illustrates a new method for iris tracking, based on a generalized probabilistic particle filter.  ...  The video for specific regions, focusing on simple but powerful features of the eye, is saved in mp4 format.  ... 
doi:10.17485/ijst/2017/v10i32/113456 fatcat:njfbw7dvgravbalk67saqcv2q4

SIRTA, a ground-based atmospheric observatory for cloud and aerosol research

M. Haeffelin, L. Barthès, O. Bock, C. Boitel, S. Bony, D. Bouniol, H. Chepfer, M. Chiriaco, J. Cuesta, J. Delanoë, P. Drobinski, J.-L. Dufresne (+17 others)
2005 Annales Geophysicae  
Atmospheric modellers working with SIRTA observations develop new methods to test their models and innovative analyses to improve parametric representations of sub-grid processes that must be accounted  ...  new methods for future space-borne observations.  ...  Institut Pierre Simon Laplace for their recurrent support of the SIRTA observatory.  ... 
doi:10.5194/angeo-23-253-2005 fatcat:r5uc2wiuorgblejrdkyiozzke4

POLECAT: Preparatory and modelling studies

T. Peter, R. Müller, S. Pawson, H. Volkert
1995 Physics and Chemistry of the Earth  
Phase 1 will support laboratory studies on PSC microphysics and heterogeneous chemistry, modelling studies on all scales, and selected field experiments concerning particle measurements as well as characterization  ...  Phase 2 will cover a mission of the high-aititude aircraft Strato-2C, used for flights along streamlines across orographieally perturbed regions for direct investigation of PSC effects.  ...  It is thus essential to apply mesoscale models of the atmospheric flow to the problem of lee-wave formation, in order to study the interactions between the dynamics, cloud-particle formation, and heterogeneous  ... 
doi:10.1016/0079-1946(95)00013-z fatcat:f73xh6a7araijec3tejju6x3i4

Monte Carlo Simulations in Aviation Contrail Study: A Review

Davide Bianco, Elisa Marenna, Filomena Loffredo, Maria Quarto, Vittorio Di Vito, Luigi Federico
2022 Applied Sciences  
Due to the impressive increase in computational power, Lagrangian Monte Carlo approaches are currently available, even for studying cloud formation and evolution.  ...  Some aspects of these new approaches are reviewed after a detailed introduction to the topic of aircraft-induced cloudiness.  ...  sensitivity to atmospheric parameters of contrail formation.  ... 
doi:10.3390/app12125885 fatcat:hwy2epxjdvcrhdkdbvjfaokthu

Globe Browsing: Contextualized Spatio-Temporal Planetary Surface Visualization

Karl Bladin, Emil Axelsson, Erik Broberg, Carter Emmart, Patric Ljung, Alexander Bock, Anders Ynnerman
2018 IEEE Transactions on Visualization and Computer Graphics  
In its raw format, however, the data is not accessible to non-experts due to the difficulty in grasping the context and the intricate acquisition process.  ...  Results of planetary mapping are often shared openly for use in scientific research and mission planning.  ...  The authors would like to thank Ryan Boller, Lucian Plesea, and the NASA GIBS team for their help, and Jonathas Costa for the implementation of atmospheric effects.  ... 
doi:10.1109/tvcg.2017.2743958 pmid:28866505 fatcat:td7ptf3wmnbnrd3lihcvry6gwq
« Previous Showing results 1 — 15 out of 15,587 results