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X-WR-CALDESC:Events for geodesy.science - IAG website
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TZID:America/Argentina/Buenos_Aires
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DTSTART;VALUE=DATE:20261101
DTEND;VALUE=DATE:20261107
DTSTAMP:20260804T044720Z
CREATED:20260804T044430Z
LAST-MODIFIED:20260804T044720Z
UID:37857-1793491200-1794009599@geodesy.science
SUMMARY:24th International Workshop on Laser Ranging
DESCRIPTION:The 24th International Workshop on Laser Ranging will take place in Buenos Aires from the 1st to 6th of November 2026. The conference venue is the Rectoría (rectorate building) de la Universidad Tecnológica Nacional (UTN)\, Sarmiento 440\, Buenos Aires. \nEvent Website: https://bkg.bund.de/en/bkg/events/ilrs-workshop
URL:https://geodesy.science/event/24th-international-workshop-on-laser-ranging/
LOCATION:Rectoria de la Universidad Tecnologica Nacional (UTN)\, Sarmiento 440\, Buenos Aires\, C1041AAJ\, Argentina
CATEGORIES:AGU,Commission 1,Commission 2,Commission 3,Commission 4,EGU,GGOS,IAG Services,ILRS,IUGG
ATTACH;FMTTYPE=image/webp:https://geodesy.science/wp-content/uploads/ilrs-workshop-2026.webp
ORGANIZER;CN="BKG%2C AGGO":MAILTO:kompetenzzentrum-gow@bkg.bund.de
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BEGIN:VEVENT
DTSTART;TZID=UTC:20261110T160000
DTEND;TZID=UTC:20261110T170000
DTSTAMP:20261020T042028Z
CREATED:20261020T042028Z
LAST-MODIFIED:20261020T042028Z
UID:39483-1794326400-1794330000@geodesy.science
SUMMARY:Talks on GIA Seminar
DESCRIPTION:Jacky Austermann and Ben Stoker\, both at Columbia University\, Palisades\, USA\, will present \nProglacial Lakes as Windows into GIA and Drivers of Ice-Sheet and Climate Chang \nPart I (Jacky):\nProglacial lakes are lakes that form around the margins of ice sheets. Both talks will focus on proglacial lakes around the Laurentide Ice Sheet. In the first part\, we will present simulations of the Last Glacial Cycle where we included self-consistently evolving proglacial lakes in a glacial isostatic adjustment (GIA) model. We found that proglacial lakes are up to five times bigger (by volume) during the deglaciation compared to glaciation for the same ice position and size\, which is a result of the differences in the position and size of the peripheral bulge. Proglacial lake depth affects ice dynamics at the grounding line and we show that indeed at certain times during the deglaciation\, Laurentide ice-margin retreat rate is positively correlated with proglacial lake presence. This supports an early hypothesis that GIA – by shaping proglacial lakes – plays an active role in accelerating collapse of the deglacial Laurentide Ice Sheet. \nPart II (Ben):\nThe new NADI-1 reconstruction of the Laurentide Ice Sheet margin chronology allows us to update the GIA-proglacial lakes model to reconstruct proglacial lake evolution more accurately. Despite widespread evidence of glacial lake extent and dynamics at the basin-scale\, continental-scale compilations of this evidence is outdated and does not take advantage of the advances in surficial mapping. Here we will present a new effort to compile paleo lake shorelines across North America. We find that our lake compilation enhances existing databases by orders of magnitude along the western margin and therefore increases important constraints on GIA in the continental interior. We have compared our lake database to an ensemble of the GIA-proglacial lakes models and will show the new constraints that this data-model comparison puts on both ice reconstruction and solid Earth properties. Further\, we have used our best-fitting simulations to calculate freshwater routing over the deglaciation\, providing new\, data calibrated model predictions on where and how much freshwater forcing might have affected ocean circulation.
URL:https://geodesy.science/event/talks-on-gia-seminar-9/
CATEGORIES:Commission 3,IACS
ATTACH;FMTTYPE=image/jpeg:https://geodesy.science/wp-content/uploads/AdobeStock_236598424_landscape.jpeg
ORGANIZER;CN="Joint IAG-IACS Commission on Cryospheric Deformation (Sub-Commission 3.4)":MAILTO:matthias.willen@tu-dresden.de
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