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DTSTART;VALUE=DATE:20240901
DTEND;VALUE=DATE:20250901
DTSTAMP:20260523T213542
CREATED:20240913T011631Z
LAST-MODIFIED:20240913T132432Z
UID:113118-1725148800-1756684799@www.a3veen.nl
SUMMARY:Water op de Kaart
DESCRIPTION:De campagne ‘Water op de kaart’ van het Nederlands Instituut voor Ecologie (NIOO-KNAW) en de stichting Natuur & Milieu moet een beeld gaan geven van de kwaliteit van water rond een riooloverstort. \nZo’n 40 burgerwetenschappers verspreid over Nederland gaan in hun eigen buurt monsters nemen van de zogenaamde kleine oppervlaktewateren: de sloten of vijvers om de hoek. Dat water blijkt namelijk van niet zo’n goeie kwaliteit. Bij hevige plensbuien\, die in toenemende mate voorkomen\, komt het riool vol met water te zitten en stroomt het over naar omliggende sloten en plassen. Daar zit het probleem. Door die overstort komen stoffen uit het riool als medicijnresten en poep en plas in het oppervlaktewater terecht. Het project ‘Water op de kaart’ is een vervolg op het onderzoek Vang de Watermonsters\, waarbij burgerwetenschappers vijf jaar achter elkaar de waterkwaliteit onderzochten. \nLinks:\nWater op de Kaart \nBurgerwetenschappers gaan jaar lang waterkwaliteit meten
URL:https://www.a3veen.nl/event/water-op-de-kaart/
LOCATION:Nederland\, Nederland
CATEGORIES:Burgerwetenschap,Gifstoffenlozing,kennis,Water
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20250101
DTEND;VALUE=DATE:20260101
DTSTAMP:20260523T213542
CREATED:20250101T121051Z
LAST-MODIFIED:20250623T111646Z
UID:127263-1735689600-1767225599@www.a3veen.nl
SUMMARY:Waterdier van het jaar 2025 : eendagsvlieg
DESCRIPTION:2025 staat bij Waterdiertjes.nl in het teken van de eendagsvlieg. \nOndanks hun naam leven eendagsvliegen langer dan één dag – hun larven brengen vaak een jaar door in het water voordat ze uitvliegen. In 2025 onderzoekt Waterdiertjes.nl de verspreiding van deze larven in Nederland om meer te leren over hun leefomgeving en de waterkwaliteit. Help jij de wetenschappers om dit waterdier in kaart te brengen? \nLinks:\n2025: jaar van de eendagsvlieg \nHet jaar van de eendagsvlieg
URL:https://www.a3veen.nl/event/waterdier-van-het-jaar-2025-eendagsvlieg/
CATEGORIES:Biologie,Burgerwetenschap,kennis
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20250724
DTEND;VALUE=DATE:20250725
DTSTAMP:20260523T213542
CREATED:20250724T184029Z
LAST-MODIFIED:20260121T203202Z
UID:135647-1753315200-1753401599@www.a3veen.nl
SUMMARY:SETI@home: Data Acquisition and Front-end Processing / SETI@home: Data Analysis and Findings - publications
DESCRIPTION:By Al Piskun – Own work\, CC BY-SA 4.0\nTwo papers on SETI@home (“SETI at home”) are published in The Astronomical Journal: \n\nSETI@home: Data Acquisition and Front-End Processing describes SETI@home’s data recorder\, splitter\, and client program. It covers the five detection types\, their parameters and statistics\, and the algorithm for finding them.\nSETI@home: Data Analysis and Findings describes the back end (Nebula) and its results: RFI removal\, candidate finding and ranking. It explains how artificial signals\, or ‘birdies’\, were used to optimize algorithms and estimate overall sensitivity.\n\nSETI@home (“SETI at home”) is a project of the Berkeley SETI Research Center to analyze radio signals with the aim of searching for signs of extraterrestrial intelligence. Until March 2020\, it was run as an Internet-based public volunteer computing project that employed the BOINC software platform. It is hosted by the Space Sciences Laboratory at the University of California\, Berkeley\, and is one of many activities undertaken as part of the worldwide SETI effort. SETI@home software was released to the public on May 17\, 1999\, making it the third large-scale use of volunteer computing over the Internet for research purposes\, after Great Internet Mersenne Prime Search (GIMPS) was launched in 1996 and distributed.net in 1997. Along with MilkyWay@home and Einstein@home\, it has the investigation of phenomena in interstellar space as its primary purpose. In March 2020\, the project stopped sending out new work to SETI@home users\, bringing the crowdsourced computing aspect of the project to a stop. At the time\, the team intended to shift focus onto the analysis and interpretation of the 20 years’ worth of accumulated data. However\, the team left open the possibility of eventually resuming volunteer computing using data from other radio telescopes\, such as MeerKAT and FAST. As of November 2021\, the science team has analysed the data and removed noisy signals (Radio Frequency Interference) using the Nebula tool they developed and will choose the top-scoring 100 or so multiplets to be observed using the Five-hundred-meter Aperture Spherical Telescope\, to which they have been granted 24 hours of observation time. On March 31\, 2020\, UC Berkeley stopped sending out new data for SETI@Home clients to process\, ending the effort for the time being. The program stated they were at a point of “diminishing returns” with the volunteer processing and needed to put the effort into hibernation while they processed the results. Until 2020\, SETI@home procured its data from the Arecibo Observatory facility that was operated by the National Astronomy and Ionosphere Center and administered by SRI International. The decreasing operating budget for the observatory has created a shortfall of funds which has not been made up from other sources such as private donors\, NASA\, other foreign research institutions\, nor private non-profit organizations such as SETI@home. However\, in the overall long-term views held by many involved with the SETI project\, any usable radio telescope could take over from Arecibo (which completely collapsed in December 2020)\, as all the SETI systems are portable and relocatable. \nLinks:\nSETI@home
URL:https://www.a3veen.nl/event/setihome-data-acquisition-and-front-end-processing-setihome-data-analysis-and-findings-publications/
CATEGORIES:Astronomie,Burgerwetenschap,kennis
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