#icesheet — Public Fediverse posts

🧊 How stable is Greenland’s ice sheet? New #MPIM research reveals 4️⃣ different steady states of the Greenland #IceSheet under a pre-industrial climate. Using a novel fully-coupled Earth System-Ice Sheet Model, Malena Andernach et al. found a critical threshold of 70-83% of pre-industrial ice volume, below which 50-80% of its current volume would be irreversibly lost even if returning to pre-industrial CO2 concentrations.

🗺️ CC BY 4.0 Andernach et al. 2026
📖 https://tc.copernicus.org/articles/20/1047/2026/
#ClimateChange

Antarctic Meltwater Alters Future Projections Of Climate And Sea Level
--
https://doi.org/10.1038/s41467-025-64438-3 <-- shared paper
--
https://doi.org/10.7275/6t64-wy56 <-- shared link to scripts for running the models and creating the figures in this data repository
--
#GIS #spatial #mapping #model #modeling #sealevel #sealevelerise #meltwater #Antarctic #projection #forecast #global #climatechange #icesheet #massloss #refinement #meansealevel #SouthernOcean #fluvial #pluvia; #precipitation #overturningcirculation #heattransport #temperature #Pacific #Atlantic #ocean #marine #spatialanalysis #spatiotemporal

Glacial Landforms And Rock Types [In Puget Sound Area, Washington State, As Seen With LiDAR]
--
https://wa100.dnr.wa.gov/puget-lowland/glacial-landforms <-- shared technical article
--
[my old stomping grounds as an engineering geologist, back when the PSLC first came out with its then ‘as if by magic’ LiDAR products around the Puget Sound…]
#geology #landform #geomorphometry #GIS #spatial #mapping #geomorphology #glacial #glacier #LiDAR #engineeringgeology #remotesensing #Seattle #PugetSound #WashingtonState #deposition #rock #sediments #till #water #hydrology #hydrography #melting #outwash #moraine #erratic #striation #boulder #icesheet #kettle #lake #WADNR

Reconstructing Ice-Margin Retreat Using Delta Morphostratigraphy
--
https://doi.org/10.1038/s41598-017-16763-x <-- shared paper
--
[an older paper, but fascinating - and well presented, especially the images/figures]
#GIS #spatial #mapping #icemargins #ice #delta #morphostratigraphy #paleogeography #icesheet #glacier #glacial #icesheet #glacialretreat #geology #landform #geomorphometry #geomorphology #LiDAR #engineeringgeology #remotesensing #icecontact #fluvial #water #hydrology #erosion #distal #glaciofluvial #paraglacial #sediment #deposition #quebec #canada #LaurentideIceSheet #retreat #delta #drainage #physiography #Québec

Reconstructing Ice-Margin Retreat Using Delta Morphostratigraphy
--
https://doi.org/10.1038/s41598-017-16763-x <-- shared paper
--
[an older paper, but fascinating - and well presented, especially the images/figures]
#GIS #spatial #mapping #icemargins #ice #delta #morphostratigraphy #paleogeography #icesheet #glacier #glacial #icesheet #glacialretreat #geology #landform #geomorphometry #geomorphology #LiDAR #engineeringgeology #remotesensing #icecontact #fluvial #water #hydrology #erosion #distal #glaciofluvial #paraglacial #sediment #deposition #quebec #canada #LaurentideIceSheet #retreat #delta #drainage #physiography #Québec

Reconstructing Ice-Margin Retreat Using Delta Morphostratigraphy
--
https://doi.org/10.1038/s41598-017-16763-x <-- shared paper
--
[an older paper, but fascinating - and well presented, especially the images/figures]
#GIS #spatial #mapping #icemargins #ice #delta #morphostratigraphy #paleogeography #icesheet #glacier #glacial #icesheet #glacialretreat #geology #landform #geomorphometry #geomorphology #LiDAR #engineeringgeology #remotesensing #icecontact #fluvial #water #hydrology #erosion #distal #glaciofluvial #paraglacial #sediment #deposition #quebec #canada #LaurentideIceSheet #retreat #delta #drainage #physiography #Québec

Reconstructing Ice-Margin Retreat Using Delta Morphostratigraphy
--
https://doi.org/10.1038/s41598-017-16763-x <-- shared paper
--
[an older paper, but fascinating - and well presented, especially the images/figures]
#GIS #spatial #mapping #icemargins #ice #delta #morphostratigraphy #paleogeography #icesheet #glacier #glacial #icesheet #glacialretreat #geology #landform #geomorphometry #geomorphology #LiDAR #engineeringgeology #remotesensing #icecontact #fluvial #water #hydrology #erosion #distal #glaciofluvial #paraglacial #sediment #deposition #quebec #canada #LaurentideIceSheet #retreat #delta #drainage #physiography #Québec

Reconstructing Ice-Margin Retreat Using Delta Morphostratigraphy
--
https://doi.org/10.1038/s41598-017-16763-x <-- shared paper
--
[an older paper, but fascinating - and well presented, especially the images/figures]
#GIS #spatial #mapping #icemargins #ice #delta #morphostratigraphy #paleogeography #icesheet #glacier #glacial #icesheet #glacialretreat #geology #landform #geomorphometry #geomorphology #LiDAR #engineeringgeology #remotesensing #icecontact #fluvial #water #hydrology #erosion #distal #glaciofluvial #paraglacial #sediment #deposition #quebec #canada #LaurentideIceSheet #retreat #delta #drainage #physiography #Québec

Sustained Decrease In Inland East Antarctic Surface Mass Balance Between 2005 And 2020
--
https://doi.org/10.1038/s41561-025-01699-z <-- shared paper
--
#GIS #spatial #mapping #Antarctic #EastAntarctic #icesheet #massbalance #spatialanalysis #model #modeling #spatiotemporal #water #climate #climatedynamics #monitoring #remotesensing #earthobservation #icecore #snowpit #wind #melting #water #ice #science #cryology #snow #weather #watervapour #climatemodel

🌐❄️ 𝗧𝗵𝗲 𝗻𝗲𝘄 𝗣𝗼𝗹𝗮𝗿 𝗣𝗼𝗿𝘁𝗮𝗹 𝘄𝗲𝗯𝘀𝗶𝘁𝗲 𝗶𝘀 𝗹𝗶𝘃𝗲!

We’re excited to launch the updated version of 𝗣𝗼𝗹𝗮𝗿𝗽𝗼𝗿𝘁𝗮𝗹.𝗱𝗸 – your gateway to 𝗿𝗲𝗮𝗹-𝘁𝗶𝗺𝗲 𝗱𝗮𝘁𝗮 𝗼𝗻 𝗔𝗿𝗰𝘁𝗶𝗰 𝘀𝗲𝗮 𝗶𝗰𝗲 𝗮𝗻𝗱 𝘁𝗵𝗲 𝗚𝗿𝗲𝗲𝗻𝗹𝗮𝗻𝗱 𝗜𝗰𝗲 𝗦𝗵𝗲𝗲𝘁.

📊 On 𝗣𝗼𝗹𝗮𝗿𝗽𝗼𝗿𝘁𝗮𝗹.𝗱𝗸, Danish research institutions share up-to-date monitoring and expert knowledge on the state of the Arctic cryosphere.

𝗛𝗲𝗿𝗲 𝘆𝗼𝘂 𝗰𝗮𝗻 𝗳𝗶𝗻𝗱 𝗱𝗮𝘁𝗮, 𝗮𝗻𝗶𝗺𝗮𝘁𝗶𝗼𝗻𝘀 𝗮𝗻𝗱 𝘂𝗽𝗱𝗮𝘁𝗲𝘀 𝗼𝗻:
• Surface conditions on the Greenland Ice Sheet and its major outlet glaciers
• Total mass balance of the Greenland Ice Sheet and its contribution to global sea-level
• Sea ice extent, thickness and volume in the Arctic
• Temperature anomalies of sea ice and the open sea in the Arctic
• Icebergs around Greenland

The portal is powered by the Danish research institutions #DMI, #GEUS, #DTUSpace and #DTUByg and supported by data from #Asiaq - Misissueqqarnerit - Grønlands Forundersøgelser and #PROMICE (https://promice.org/).

🔗 Visit the new site: https://polarportal.dk/en/

#PolarPortal #Greenland #Arctic #ClimateMonitoring #Cryosphere #IceSheet #Seaice #ClimateData #NCKF #climatechange

🌐❄️ 𝗧𝗵𝗲 𝗻𝗲𝘄 𝗣𝗼𝗹𝗮𝗿 𝗣𝗼𝗿𝘁𝗮𝗹 𝘄𝗲𝗯𝘀𝗶𝘁𝗲 𝗶𝘀 𝗹𝗶𝘃𝗲!

We’re excited to launch the updated version of 𝗣𝗼𝗹𝗮𝗿𝗽𝗼𝗿𝘁𝗮𝗹.𝗱𝗸 – your gateway to 𝗿𝗲𝗮𝗹-𝘁𝗶𝗺𝗲 𝗱𝗮𝘁𝗮 𝗼𝗻 𝗔𝗿𝗰𝘁𝗶𝗰 𝘀𝗲𝗮 𝗶𝗰𝗲 𝗮𝗻𝗱 𝘁𝗵𝗲 𝗚𝗿𝗲𝗲𝗻𝗹𝗮𝗻𝗱 𝗜𝗰𝗲 𝗦𝗵𝗲𝗲𝘁.

📊 On 𝗣𝗼𝗹𝗮𝗿𝗽𝗼𝗿𝘁𝗮𝗹.𝗱𝗸, Danish research institutions share up-to-date monitoring and expert knowledge on the state of the Arctic cryosphere.

𝗛𝗲𝗿𝗲 𝘆𝗼𝘂 𝗰𝗮𝗻 𝗳𝗶𝗻𝗱 𝗱𝗮𝘁𝗮, 𝗮𝗻𝗶𝗺𝗮𝘁𝗶𝗼𝗻𝘀 𝗮𝗻𝗱 𝘂𝗽𝗱𝗮𝘁𝗲𝘀 𝗼𝗻:
• Surface conditions on the Greenland Ice Sheet and its major outlet glaciers
• Total mass balance of the Greenland Ice Sheet and its contribution to global sea-level
• Sea ice extent, thickness and volume in the Arctic
• Temperature anomalies of sea ice and the open sea in the Arctic
• Icebergs around Greenland

The portal is powered by the Danish research institutions #DMI, #GEUS, #DTUSpace and #DTUByg and supported by data from #Asiaq - Misissueqqarnerit - Grønlands Forundersøgelser and #PROMICE (https://promice.org/).

🔗 Visit the new site: https://polarportal.dk/en/

#PolarPortal #Greenland #Arctic #ClimateMonitoring #Cryosphere #IceSheet #Seaice #ClimateData #NCKF #climatechange

🌐❄️ 𝗧𝗵𝗲 𝗻𝗲𝘄 𝗣𝗼𝗹𝗮𝗿 𝗣𝗼𝗿𝘁𝗮𝗹 𝘄𝗲𝗯𝘀𝗶𝘁𝗲 𝗶𝘀 𝗹𝗶𝘃𝗲!

We’re excited to launch the updated version of 𝗣𝗼𝗹𝗮𝗿𝗽𝗼𝗿𝘁𝗮𝗹.𝗱𝗸 – your gateway to 𝗿𝗲𝗮𝗹-𝘁𝗶𝗺𝗲 𝗱𝗮𝘁𝗮 𝗼𝗻 𝗔𝗿𝗰𝘁𝗶𝗰 𝘀𝗲𝗮 𝗶𝗰𝗲 𝗮𝗻𝗱 𝘁𝗵𝗲 𝗚𝗿𝗲𝗲𝗻𝗹𝗮𝗻𝗱 𝗜𝗰𝗲 𝗦𝗵𝗲𝗲𝘁.

📊 On 𝗣𝗼𝗹𝗮𝗿𝗽𝗼𝗿𝘁𝗮𝗹.𝗱𝗸, Danish research institutions share up-to-date monitoring and expert knowledge on the state of the Arctic cryosphere.

𝗛𝗲𝗿𝗲 𝘆𝗼𝘂 𝗰𝗮𝗻 𝗳𝗶𝗻𝗱 𝗱𝗮𝘁𝗮, 𝗮𝗻𝗶𝗺𝗮𝘁𝗶𝗼𝗻𝘀 𝗮𝗻𝗱 𝘂𝗽𝗱𝗮𝘁𝗲𝘀 𝗼𝗻:
• Surface conditions on the Greenland Ice Sheet and its major outlet glaciers
• Total mass balance of the Greenland Ice Sheet and its contribution to global sea-level
• Sea ice extent, thickness and volume in the Arctic
• Temperature anomalies of sea ice and the open sea in the Arctic
• Icebergs around Greenland

The portal is powered by the Danish research institutions #DMI, #GEUS, #DTUSpace and #DTUByg and supported by data from #Asiaq - Misissueqqarnerit - Grønlands Forundersøgelser and #PROMICE (https://promice.org/).

🔗 Visit the new site: https://polarportal.dk/en/

#PolarPortal #Greenland #Arctic #ClimateMonitoring #Cryosphere #IceSheet #Seaice #ClimateData #NCKF #climatechange

🌐❄️ 𝗧𝗵𝗲 𝗻𝗲𝘄 𝗣𝗼𝗹𝗮𝗿 𝗣𝗼𝗿𝘁𝗮𝗹 𝘄𝗲𝗯𝘀𝗶𝘁𝗲 𝗶𝘀 𝗹𝗶𝘃𝗲!

We’re excited to launch the updated version of 𝗣𝗼𝗹𝗮𝗿𝗽𝗼𝗿𝘁𝗮𝗹.𝗱𝗸 – your gateway to 𝗿𝗲𝗮𝗹-𝘁𝗶𝗺𝗲 𝗱𝗮𝘁𝗮 𝗼𝗻 𝗔𝗿𝗰𝘁𝗶𝗰 𝘀𝗲𝗮 𝗶𝗰𝗲 𝗮𝗻𝗱 𝘁𝗵𝗲 𝗚𝗿𝗲𝗲𝗻𝗹𝗮𝗻𝗱 𝗜𝗰𝗲 𝗦𝗵𝗲𝗲𝘁.

📊 On 𝗣𝗼𝗹𝗮𝗿𝗽𝗼𝗿𝘁𝗮𝗹.𝗱𝗸, Danish research institutions share up-to-date monitoring and expert knowledge on the state of the Arctic cryosphere.

𝗛𝗲𝗿𝗲 𝘆𝗼𝘂 𝗰𝗮𝗻 𝗳𝗶𝗻𝗱 𝗱𝗮𝘁𝗮, 𝗮𝗻𝗶𝗺𝗮𝘁𝗶𝗼𝗻𝘀 𝗮𝗻𝗱 𝘂𝗽𝗱𝗮𝘁𝗲𝘀 𝗼𝗻:
• Surface conditions on the Greenland Ice Sheet and its major outlet glaciers
• Total mass balance of the Greenland Ice Sheet and its contribution to global sea-level
• Sea ice extent, thickness and volume in the Arctic
• Temperature anomalies of sea ice and the open sea in the Arctic
• Icebergs around Greenland

The portal is powered by the Danish research institutions #DMI, #GEUS, #DTUSpace and #DTUByg and supported by data from #Asiaq - Misissueqqarnerit - Grønlands Forundersøgelser and #PROMICE (https://promice.org/).

🔗 Visit the new site: https://polarportal.dk/en/

#PolarPortal #Greenland #Arctic #ClimateMonitoring #Cryosphere #IceSheet #Seaice #ClimateData #NCKF #climatechange

🌐❄️ 𝗧𝗵𝗲 𝗻𝗲𝘄 𝗣𝗼𝗹𝗮𝗿 𝗣𝗼𝗿𝘁𝗮𝗹 𝘄𝗲𝗯𝘀𝗶𝘁𝗲 𝗶𝘀 𝗹𝗶𝘃𝗲!

We’re excited to launch the updated version of 𝗣𝗼𝗹𝗮𝗿𝗽𝗼𝗿𝘁𝗮𝗹.𝗱𝗸 – your gateway to 𝗿𝗲𝗮𝗹-𝘁𝗶𝗺𝗲 𝗱𝗮𝘁𝗮 𝗼𝗻 𝗔𝗿𝗰𝘁𝗶𝗰 𝘀𝗲𝗮 𝗶𝗰𝗲 𝗮𝗻𝗱 𝘁𝗵𝗲 𝗚𝗿𝗲𝗲𝗻𝗹𝗮𝗻𝗱 𝗜𝗰𝗲 𝗦𝗵𝗲𝗲𝘁.

📊 On 𝗣𝗼𝗹𝗮𝗿𝗽𝗼𝗿𝘁𝗮𝗹.𝗱𝗸, Danish research institutions share up-to-date monitoring and expert knowledge on the state of the Arctic cryosphere.

𝗛𝗲𝗿𝗲 𝘆𝗼𝘂 𝗰𝗮𝗻 𝗳𝗶𝗻𝗱 𝗱𝗮𝘁𝗮, 𝗮𝗻𝗶𝗺𝗮𝘁𝗶𝗼𝗻𝘀 𝗮𝗻𝗱 𝘂𝗽𝗱𝗮𝘁𝗲𝘀 𝗼𝗻:
• Surface conditions on the Greenland Ice Sheet and its major outlet glaciers
• Total mass balance of the Greenland Ice Sheet and its contribution to global sea-level
• Sea ice extent, thickness and volume in the Arctic
• Temperature anomalies of sea ice and the open sea in the Arctic
• Icebergs around Greenland

The portal is powered by the Danish research institutions #DMI, #GEUS, #DTUSpace and #DTUByg and supported by data from #Asiaq - Misissueqqarnerit - Grønlands Forundersøgelser and #PROMICE (https://promice.org/).

🔗 Visit the new site: https://polarportal.dk/en/

#PolarPortal #Greenland #Arctic #ClimateMonitoring #Cryosphere #IceSheet #Seaice #ClimateData #NCKF #climatechange

New Study Reveals Recent Ice Gains in Antarctica, But Long-Term Melting Continues https://www.byteseu.com/1019372/ #AntarcticaSeesRecentIceGainsButLongTermLossesReflectGlobalWarmingAntarctica #Climate #ClimateChange #ClimateStudy #EnvironmentalScience #GlobalWarming #IceSheet #NasaGrace #PolarIce #SatelliteData #TongjiUniversity

New Map Of Landscape Beneath Antarctica Unveiled
--
https://phys.org/news/2025-03-landscape-beneath-antarctica-unveiled.html <-- shared technical article
--
https://doi.org/10.1038/s41597-025-04672-y <-- shared paper
--

#GIS #spatial #mapping #Bedmap3 #icebed #surface #thickness #gridded #datasets #Antarctica #raster #model #modeling #landscape #elevation #icesheet #survey #remotesensing #earthobservation #climatechange #warming #climate #melt #melting #seafloor #subglacial #geophysical #survey #topography #geology #bathymetry #topobathy #BritishAntarcticSurvey
@BritishAntarcticSurvey

video overview - glacier ice loss over two decades
#GIS #spatial #mapping #GlacierMassBalanceIntercomparison #glacial #glacier #global #cryosphere #regional #frehwater #water #resources #waterresources #watersecurity #sealevel #sealevelrise #SLR #rate #change #spatialanalysis #spatiotemporal #ice #snow #loss #massloss #greenland #antarctic #icesheet #anthropogenic #climatechange #melt #melting #risk #hazard #geohazard #geology #engineeringgeology #marine #terrestrial #ecosystems #watercycle #masschange #insitu #remotesensing #local #observation #model #modeling #projection

Glacier Melt Intensifying Freshwater Loss And Accelerating Sea-Level Rise
--
https://www.esa.int/Applications/Observing_the_Earth/FutureEO/CryoSat/Glacier_melt_intensifying_freshwater_loss_and_accelerating_sea-level_rise <-- shared technical article
--
https://doi.org/10.1038/s41586-024-08545-z <-- shared paper
--
#GIS #spatial #mapping #GlacierMassBalanceIntercomparison #glacial #glacier #global #cryosphere #regional #freshwater #water #resources #waterresources #watersecurity #sealevel #sealevelrise #SLR #rate #change #spatialanalysis #spatiotemporal #ice #snow #loss #massloss #greenland #antarctic #icesheet #anthropogenic #climatechange #melt #melting #risk #hazard #geohazard #geology #engineeringgeology #marine #terrestrial #ecosystems #watercycle #masschange #insitu #remotesensing #local #observation #model #modeling #projection

ESA And NASA Deliver First Joint Picture Of Greenland Ice Sheet Melting
--
https://www.esa.int/Applications/Observing_the_Earth/FutureEO/CryoSat/ESA_and_NASA_deliver_first_joint_picture_of_Greenland_Ice_Sheet_melting <-- shared technical article
--
https://doi.org/10.1029/2024GL110822 <-- shared paper
--
[Visualising the latest results from ESA's CryoSat radar altimeter, consistent with measurements from NASA's ICESat-2 laser altimeter]
--
#GIS #spatial #mapping #remotesensing #earthobservation #cryosphere #Greenland #icesheet #melting #CryoSat #satellite #ICESat2 #spatiotemporal #spatialanalysis #Jakobshavn #glacier #ice #snow #radar #laser #iceloss #climatechange #altimeter #elevation #topography #height
@ESA @nasa

ESA And NASA Deliver First Joint Picture Of Greenland Ice Sheet Melting
--
https://www.esa.int/Applications/Observing_the_Earth/FutureEO/CryoSat/ESA_and_NASA_deliver_first_joint_picture_of_Greenland_Ice_Sheet_melting <-- shared technical article
--
https://doi.org/10.1029/2024GL110822 <-- shared paper
--
[Visualising the latest results from ESA's CryoSat radar altimeter, consistent with measurements from NASA's ICESat-2 laser altimeter]
--
#GIS #spatial #mapping #remotesensing #earthobservation #cryosphere #Greenland #icesheet #melting #CryoSat #satellite #ICESat2 #spatiotemporal #spatialanalysis #Jakobshavn #glacier #ice #snow #radar #laser #iceloss #climatechange #altimeter #elevation #topography #height
@ESA @nasa

ESA And NASA Deliver First Joint Picture Of Greenland Ice Sheet Melting
--
https://www.esa.int/Applications/Observing_the_Earth/FutureEO/CryoSat/ESA_and_NASA_deliver_first_joint_picture_of_Greenland_Ice_Sheet_melting <-- shared technical article
--
https://doi.org/10.1029/2024GL110822 <-- shared paper
--
[Visualising the latest results from ESA's CryoSat radar altimeter, consistent with measurements from NASA's ICESat-2 laser altimeter]
--
#GIS #spatial #mapping #remotesensing #earthobservation #cryosphere #Greenland #icesheet #melting #CryoSat #satellite #ICESat2 #spatiotemporal #spatialanalysis #Jakobshavn #glacier #ice #snow #radar #laser #iceloss #climatechange #altimeter #elevation #topography #height
@ESA @nasa

ESA And NASA Deliver First Joint Picture Of Greenland Ice Sheet Melting
--
https://www.esa.int/Applications/Observing_the_Earth/FutureEO/CryoSat/ESA_and_NASA_deliver_first_joint_picture_of_Greenland_Ice_Sheet_melting <-- shared technical article
--
https://doi.org/10.1029/2024GL110822 <-- shared paper
--
[Visualising the latest results from ESA's CryoSat radar altimeter, consistent with measurements from NASA's ICESat-2 laser altimeter]
--
#GIS #spatial #mapping #remotesensing #earthobservation #cryosphere #Greenland #icesheet #melting #CryoSat #satellite #ICESat2 #spatiotemporal #spatialanalysis #Jakobshavn #glacier #ice #snow #radar #laser #iceloss #climatechange #altimeter #elevation #topography #height
@ESA @nasa

ESA And NASA Deliver First Joint Picture Of Greenland Ice Sheet Melting
--
https://www.esa.int/Applications/Observing_the_Earth/FutureEO/CryoSat/ESA_and_NASA_deliver_first_joint_picture_of_Greenland_Ice_Sheet_melting <-- shared technical article
--
https://doi.org/10.1029/2024GL110822 <-- shared paper
--
[Visualising the latest results from ESA's CryoSat radar altimeter, consistent with measurements from NASA's ICESat-2 laser altimeter]
--
#GIS #spatial #mapping #remotesensing #earthobservation #cryosphere #Greenland #icesheet #melting #CryoSat #satellite #ICESat2 #spatiotemporal #spatialanalysis #Jakobshavn #glacier #ice #snow #radar #laser #iceloss #climatechange #altimeter #elevation #topography #height
@ESA @nasa

Whilst I'm getting my Friday afternoon paddle in the fantastically glorious weather in Copenhagen it may be a good moment to remind you that we're hiring for several brilliant jobs at @dmidk just now. Including with me on #IceSheet SMB and regional #Climate modelling in #Greenland and #Antarctica

#Fedijobs #AcademicJobs #GetFediHired #friluftsliv #Copenhagen #Denmark #ScandiLifeStyle #ClimateJobs #ClimateModelling

https://www.dmi.dk/job-og-karriere/ledige-stillinger

SWAIS2C Core Workshop Offers First Glimpse Of Sediment From Below Ross Ice Shelf [GNS Science, New Zealand]
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https://www.gns.cri.nz/news/swais2c-core-workshop/ <-- shared technical article
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https://www.swais2c.aq/ <-- Sensitivity Of The West Antarctic Ice Sheet To 2° Warming (SWAIS2C) page
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#GIS #spatial #mapping #climatechange #Antarctica #SipleCoast #core #sediment #sampling #ORCA #NewZealand #SWAIS2C #Sensitivity #WesternAntarctic #IceSheet #TwoDegrees #Warming #samples #workshop #Xray #CTscan #environment #cryosphere #iceshelf #geology #sedimentology #model #modeling #spatiotemporal #drilling #coring #rossiceshelf
@GNSScience @OtagoUniversity

New research has uncovered a #feedbackloop that may be accelerating the melting of
The West #Antarctic #IceSheet, contributing to #sealevelrise. If it were to melt entirely, global sea levels would rise by 5m. Circumpolar Deep Water (CDW), a water mass 4°C above freezing, is flowing beneath the ice shelves in West #Antarctica and melting them from below. Since so much of Ice Sheet lies below sea level, it is vulnerable to this warm water
https://phys.org/news/2024-04-feedback-loop-ice-shelves-west.html #climatechange #climatecrisis

Finally got round to seeing #Oppenheimer recently – great movie. Listening to the dialogue between Oppenheimer and General Leslie Groves (Matt Damon) that is supposed to have taken place a couple of hours before the nuclear test about the possibility of atmospheric ignition, it occurred to me there is a parallel with the current position of most glaciologists regarding the possibility of Marine Ice Cliff Instability (#MICI) leading to runaway #icesheet retreat.

https://www.youtube.com/watch?v=dXHs1sLBjJs

1/2

In der Klimawissenschaft ist ein Kipppunkt definiert als "eine kritische Schwelle, jenseits derer sich ein System neu organisiert, oft abrupt und/oder irreversibel" (Lenton et al., 2008). Hier sind 10 #Kipppunkte, die für uns zunehmend an Bedeutung gewonnen haben.

"Einige der im #IPCC-Bericht erörterten abrupten Klimaänderungen und Kipppunkte könnten schwerwiegende lokale Klimareaktionen nach sich ziehen, wie extreme Temperaturen, Dürren, Waldbrände, Verlust der Eisschilde und Zusammenbruch der thermohalinen Zirkulation.

Es gibt Hinweise auf abrupte Veränderungen in der Erdgeschichte, und einige dieser Ereignisse wurden als Kipppunkte interpretiert (Dakos et al., 2008). Einige davon sind mit bedeutenden Veränderungen des globalen Klimas verbunden, wie z. B. die Interglaziale im Quartär (vor 2,5 Millionen Jahren) und die rasche Erwärmung während des thermischen Maximums im Paläozän und Eozän (vor etwa 55,5 Millionen Jahren; Bowen et al., 2015; Hollis et al., 2019).

Solche Ereignisse veränderten das planetare Klima für zehn- bis hunderttausende von Jahren, aber mit einer Geschwindigkeit, die tatsächlich viel langsamer ist als der projizierte anthropogene Klimawandel in diesem Jahrhundert, selbst wenn es keine Kipppunkte gibt" (IPCC, 2021).

#climatescience #tippingpoints #tippingpoint #scientistrebellion #scientistrebelliongermany #climatechange #climatecrisis #forestfires #icesheet #elnino #monsoon #coralreef #permafrost #amazonforest #atlantic #arctic #antarctica #climatesystem.

Long-forgotten frozen #soilsample offers a warning for the future
Excavated during the #ColdWar, through 4,560 feet of ice, the team kept drilling 12 more feet into the frozen, rocky soil. Scientists have known for awhile that the #Greenland #icesheet had mostly disappeared at some point in the past million years, but not precisely when. The timing—about 416,000 years ago, with largely ice-free conditions lasting for as much as 14,000 years—is important. https://arstechnica.com/science/2023/07/long-forgotten-frozen-soil-sample-offers-a-warning-for-the-future/ #climatechange

The summer solstice is #Greenland's National Day

PILLUARIT!

Slightly unusually, the ablation season (net ice loss from melt) has yet to start in Greenland, surface melt is average for the time of year. Fresh snow is also still adding ice to the #IceSheet.

A start to the surface ablation season after the 21st June has only happened 4 times since 2000 - but was much more common in in the 80s + 90s.
Remember though - #ice is still lost by #calving of #icebergs

http://polarportal.dk/en/greenland/surface-conditions/

Off to the delightful, shady fjord side campus of @AarhusUni near #Roskilde today. Always a pleasure and our student Mathias Larsen, who is presnting his mid term report has some awesome new work to talk about, using the @CopernicusECMWF #Arctic reanalysis to calculate #Greenland #IceSheet mass budget #SMB #CARRA
Have a great morning everyone.

Earth's Ice Imbalance
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https://doi.org/10.5194/tc-15-233-2021 <-- shared paper
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#GIS #spatial #mapping #remotesensing #imagery #satellite #climatechange #iceloss #ice #melting #global #water #hydrology #icesheet #loss #rate #spatialanalysis #spatiotemporal #iceimbalance #numericalmodels #model #modeling #gischat #groundedice

Inspired by a lunch time discussion I made a quick post on #SeaLevelRise and #IceSheet #RulesOfThumb

#HalfHourBlog

https://sternaparadisaea.net/2023/01/18/rules-of-thumb-about-ice-sheets-and-sea-level-rise/

Sea Levels Might Rise Much Faster Than Thought, Greenland Data Suggest
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https://www.space.com/greenland-ice-melting-satellite-data-climate-change <-- article
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https://doi.org/10.1038/s41586-022-05301-z <-- shared paper
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#GIS #spatial #mapping #model #modeling #spatialanalysis #remotesensing #future #interior #marine #water #hydrology #Greenland #melting #ice #snow #climatechange #icesheet #climate #GrIS #NEGIS #speed #thinning #sealevelrise #SLR #hydrospatial #elevation #massbalance #GNSS

Sea Levels Might Rise Much Faster Than Thought, Greenland Data Suggest
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https://www.space.com/greenland-ice-melting-satellite-data-climate-change <-- article
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https://doi.org/10.1038/s41586-022-05301-z <-- shared paper
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#GIS #spatial #mapping #model #modeling #spatialanalysis #remotesensing #future #interior #marine #water #hydrology #Greenland #melting #ice #snow #climatechange #icesheet #climate #GrIS #NEGIS #speed #thinning #sealevelrise #SLR #hydrospatial #elevation #massbalance #GNSS

Sea Levels Might Rise Much Faster Than Thought, Greenland Data Suggest
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https://www.space.com/greenland-ice-melting-satellite-data-climate-change <-- article
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https://doi.org/10.1038/s41586-022-05301-z <-- shared paper
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#GIS #spatial #mapping #model #modeling #spatialanalysis #remotesensing #future #interior #marine #water #hydrology #Greenland #melting #ice #snow #climatechange #icesheet #climate #GrIS #NEGIS #speed #thinning #sealevelrise #SLR #hydrospatial #elevation #massbalance #GNSS

Jason Box is now talking about #PROMICE data in #CARRA (#Copernicus #Arctic Regional #Reanalysis) and using the latest insights for understanding the #Greenland #IceSheet

The trend shows increasing #precipitation but not #snow - it's falling as #rain...
#NCKF