BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//A3veen.nl - ECPv6.16.3//NONSGML v1.0//EN
CALSCALE:GREGORIAN
METHOD:PUBLISH
X-WR-CALNAME:A3veen.nl
X-ORIGINAL-URL:https://www.a3veen.nl
X-WR-CALDESC:Evenementen voor A3veen.nl
REFRESH-INTERVAL;VALUE=DURATION:PT1H
X-Robots-Tag:noindex
X-PUBLISHED-TTL:PT1H
BEGIN:VTIMEZONE
TZID:Europe/Amsterdam
BEGIN:DAYLIGHT
TZOFFSETFROM:+0100
TZOFFSETTO:+0200
TZNAME:CEST
DTSTART:20210328T010000
END:DAYLIGHT
BEGIN:STANDARD
TZOFFSETFROM:+0200
TZOFFSETTO:+0100
TZNAME:CET
DTSTART:20211031T010000
END:STANDARD
BEGIN:DAYLIGHT
TZOFFSETFROM:+0100
TZOFFSETTO:+0200
TZNAME:CEST
DTSTART:20220327T010000
END:DAYLIGHT
BEGIN:STANDARD
TZOFFSETFROM:+0200
TZOFFSETTO:+0100
TZNAME:CET
DTSTART:20221030T010000
END:STANDARD
BEGIN:DAYLIGHT
TZOFFSETFROM:+0100
TZOFFSETTO:+0200
TZNAME:CEST
DTSTART:20230326T010000
END:DAYLIGHT
BEGIN:STANDARD
TZOFFSETFROM:+0200
TZOFFSETTO:+0100
TZNAME:CET
DTSTART:20231029T010000
END:STANDARD
BEGIN:DAYLIGHT
TZOFFSETFROM:+0100
TZOFFSETTO:+0200
TZNAME:CEST
DTSTART:20240331T010000
END:DAYLIGHT
BEGIN:STANDARD
TZOFFSETFROM:+0200
TZOFFSETTO:+0100
TZNAME:CET
DTSTART:20241027T010000
END:STANDARD
BEGIN:DAYLIGHT
TZOFFSETFROM:+0100
TZOFFSETTO:+0200
TZNAME:CEST
DTSTART:20250330T010000
END:DAYLIGHT
BEGIN:STANDARD
TZOFFSETFROM:+0200
TZOFFSETTO:+0100
TZNAME:CET
DTSTART:20251026T010000
END:STANDARD
BEGIN:DAYLIGHT
TZOFFSETFROM:+0100
TZOFFSETTO:+0200
TZNAME:CEST
DTSTART:20260329T010000
END:DAYLIGHT
BEGIN:STANDARD
TZOFFSETFROM:+0200
TZOFFSETTO:+0100
TZNAME:CET
DTSTART:20261025T010000
END:STANDARD
BEGIN:DAYLIGHT
TZOFFSETFROM:+0100
TZOFFSETTO:+0200
TZNAME:CEST
DTSTART:20270328T010000
END:DAYLIGHT
BEGIN:STANDARD
TZOFFSETFROM:+0200
TZOFFSETTO:+0100
TZNAME:CET
DTSTART:20271031T010000
END:STANDARD
END:VTIMEZONE
BEGIN:VEVENT
DTSTART;VALUE=DATE:20221216
DTEND;VALUE=DATE:20251217
DTSTAMP:20260606T112909
CREATED:20231122T141648Z
LAST-MODIFIED:20231122T141731Z
UID:99037-1671148800-1765929599@www.a3veen.nl
SUMMARY:Surface Water and Ocean Topography (SWOT) mission
DESCRIPTION:The Surface Water and Ocean Topography (SWOT) mission is a satellite altimeter jointly developed and operated by NASA and CNES\, the French space agency\, in partnership with the Canadian Space Agency (CSA) and UK Space Agency (UKSA). \nThe objectives of the mission are to make the first global survey of the Earth’s surface water\, to observe the fine details of the ocean surface topography\, and to measure how terrestrial surface water bodies change over time. While past satellite missions like the Jason series altimeters (TOPEX/Poseidon\, Jason-1\, Jason-2\, Jason-3) have provided variation in river and lake water surface elevations at select locations\, SWOT will provide the first truly global observations of changing water levels\, stream slopes\, and inundation extents in rivers\, lakes\, and floodplains. In the world’s oceans\, SWOT will observe ocean circulation at unprecedented scales of 15–25 km (9.3–15.5 mi)\, approximately an order of magnitude finer than current satellites. Because it uses wide-swath altimetry technology\, SWOT will almost completely observe the world’s oceans and freshwater bodies with repeated high-resolution elevation measurements\, allowing observations of variations. \nLinks:\nSurface Water and Ocean Topography at NASA.gov \nOcean Surface Topography from Space at NASA.gov \nCnes project Library at CNES.fr \nAVISO+ portal for SWOT
URL:https://www.a3veen.nl/event/surface-water-and-ocean-topography-swot-mission/
CATEGORIES:Astronomie,Geografie,kennis
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20260108
DTEND;VALUE=DATE:20260109
DTSTAMP:20260606T112909
CREATED:20260108T084944Z
LAST-MODIFIED:20260108T084944Z
UID:135122-1767830400-1767916799@www.a3veen.nl
SUMMARY:Earth’s Rotation Day / Aarde Rotatie Dag 2026
DESCRIPTION:January 8 is Earth’s Rotation Day\, the day commemorates when French Physicist\, Leon Foucault\, demonstrated the Earth rotates on its axis in 1851. \nTo prove his theory\, Foucault suspended a lead-filled brass sphere\, now called the Foucault Pendulum from the top of the Pantheon in Paris. He showed that the plane of the swing of the pendulum rotated relative to the Earth’s rotation. You can now see the Foucault Pendulum demonstrating the rotation of the Earth in science museums around the world. \nLinks:\nEarth’s Rotation Day: History and significance behind the day that celebrates the 24-hour phenomenon \nMegaconstructie veranderde mogelijk de rotatie van de aarde \nEarth Rotation Day 2026: 7 Fascinating Facts That Show Why This Day Matters
URL:https://www.a3veen.nl/event/earths-rotation-day-aarde-rotatie-dag-2026/
CATEGORIES:Geografie
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20260410
DTEND;VALUE=DATE:20260411
DTSTAMP:20260606T112909
CREATED:20260410T075227Z
LAST-MODIFIED:20260410T075227Z
UID:139132-1775779200-1775865599@www.a3veen.nl
SUMMARY:#10April #InternationalDayOfVolcanoes #JournéeInternationaleDesVolcans #GiornataInternazionaleDeiVulcani #DiaInternacionalDeLosVolcanes – petition 2026
DESCRIPTION:Petition proposing an ‘International Day of Volcanoes’ to be observed officially by the United Nations and we are asking that the U.N. General Assembly please consider a resolution for establishing an ‘International Day of Volcanoes’ on 10th April every year. \nTanguy De Saint-Cyr\, owner of French volcano tour company\, that came up with the concept for an ‘International Day of Volcanoes’ and Jeannie Curtis\, a New Zealand technical writer and educator are proposing an ‘International Day of Volcanoes’ to be officially recognised and observed by the United Nations and ask that the General Assembly please consider a resolution for establishing an ‘International Day of Volcanoes’ on 10th April. The date of 10th April has no recognised international day and we propose this date for the following reason: On 10 April 1815 Gunung (Mount) Tambora in Indonesia erupted and generated massive pyroclastic flows and tsunami that instantly killed 10\,000 locals\, who were unaware of the danger. The massive eruption injected huge amounts of aerosols into the Earth’s stratosphere\, causing a global haze which reflected back the incoming sunlight and cooled our planet by half a degree (celsius). This affected the planet’s climate for three years\, causing crop failure and famine\, resulting in up to 60\,000 more human deaths globally – as well as affecting animals\, fauna and agriculture. Tambora is still the deadliest eruption in recorded history\, and 10th April is a date in which the people of the World can reflect upon an “International Day of Volcanoes’ \nLinks:\nSUPPORT a proposal to United Nations for an ‘International day of Volcanoes’ to be recognised on 10th April \nInternational Day of Volcanoes
URL:https://www.a3veen.nl/event/10april-internationaldayofvolcanoes-journeeinternationaledesvolcans-giornatainternazionaledeivulcani-diainternacionaldelosvolcanes-petition-2026/
CATEGORIES:Geografie,kennis,Maatschappij,Petitie,UN
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20260429
DTEND;VALUE=DATE:20260430
DTSTAMP:20260606T112909
CREATED:20260429T231521Z
LAST-MODIFIED:20260430T112729Z
UID:140033-1777420800-1777507199@www.a3veen.nl
SUMMARY:Day in Memory of the Victims of Earthquakes 2026
DESCRIPTION:In April 2025\, the United Nations General Assembly designated 29 April as the International Day in Memory of the Victims of Earthquakes inviting all Member States\, organizations of the United Nations system and other relevant international organizations to collaborate on the commemoration. \nIn doing so\, the General Assembly reaffirmed its commitment to the 2030 Agenda for Sustainable Development and recalled the Sendai Framework for Disaster Risk Reduction 2015–2030\, recognizing that disasters continue to undermine sustainable development. These commitments underscore that understanding disaster risk\, strengthening prevention and mitigation\, and improving preparedness and effective response are essential to protecting lives and achieving the Sustainable Development Goals by 2030. Earthquakes are among the deadliest natural hazards\, often striking without warning and causing devastating loss of life and long lasting social\, economic\, and psychological harm. Recent earthquakes in countries such as Myanmar and Afghanistan are stark reminders of how these events can destroy infrastructure\, displace entire communities\, and affect generations long after the ground stops shaking. Their impact is severe and measurable. Since 1900\, there have been at least 12 major earthquakes\, each of which killed more than 50\,000 people. Earthquakes also have substantial economic consequences\, accounting for more than a quarter of global disaster losses and causing trillions of dollars in damage over recent decades. Beyond direct destruction\, they can trigger fires\, tsunamis\, and landslides\, compounding damage across housing\, health\, education\, and livelihoods. Earthquake risk is driven by factors such as rapid urbanization in seismic areas\, weak or ageing infrastructure\, poverty\, inequality\, and poor enforcement of building codes—making risk informed development and resilient infrastructure essential. In acknowledgement of the grave consequences of these disasters\, the United Nations has established the International Day in Memory of the Victims of Earthquakes\, observed annually on 29 April\, and tasked the United Nations Office for Disaster Risk Reduction (UNDRR) with facilitating its observance. The Day provides a moment to remember those lost and renew commitment to prevention\, preparedness\, and building back better\, in line with the priorities of the Sendai Framework for Disaster Risk Reduction. \nLinks:\nWhen the ground shakes: Remembering victims and reducing future loss
URL:https://www.a3veen.nl/event/day-in-memory-of-the-victims-of-earthquakes-2026/
CATEGORIES:Geografie,Maatschappij,UN
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20260503
DTEND;VALUE=DATE:20260509
DTSTAMP:20260606T112909
CREATED:20260427T041419Z
LAST-MODIFIED:20260427T142429Z
UID:139895-1777766400-1778284799@www.a3veen.nl
SUMMARY:EGU General Assembly 2026
DESCRIPTION:The European Geosciences Union (EGU) is a non-profit international union in the fields of Earth\, planetary\, and space sciences whose vision is to “realise a sustainable and just future for humanity and for the planet“. \nThe organisation has headquarters in Munich\, Germany. Membership is open to individuals who are professionally engaged in or associated with these fields and related studies\, including students\, early career scientists and retired seniors. It also organises several topical meetings\, as well training events and summer schools\, and provides support and funding for numerous education and outreach activities. Its most prominent event is the EGU General Assembly\, an annual conference that brings together scientists from all over the world. The meeting’s sessions cover a wide range of topics\, including volcanology\, planetary exploration\, the Earth’s internal structure and atmosphere\, climate change\, and renewable energies. The EGU has 22 scientific divisions that reflect the interdisciplinary nature of the organisation. \nLinks:\nEGU General Assembly 2026 \nEGU General Assembly 2026 – Meeting programme and provisional press conferences
URL:https://www.a3veen.nl/event/egu-general-assembly-2026/
LOCATION:Wenen\, Wenen\, Austria
CATEGORIES:Geografie,kennis
END:VEVENT
END:VCALENDAR