Himalayan Snow Lines On The Rise
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https://earthobservatory.nasa.gov/images/153945/himalayan-snow-lines-on-the-rise <-- shared NASA technical article
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https://www.icimod.org/press-release/snow-update-report-2024-water-shortages-feared-as-hindu-kush-himalaya-sees-extraordinary-below-normal-snow-year-second-lowest-snow-persistence-on-record/ <-- shared technical article on Himalaya snow persistence changes
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#GIS #spatial #mapping #Nepal #India #Himalayas #Himalayan #mountains #climatechange #snowpersistence #remotesensing #earthobservation #glacier #glacial #melting #MountEverest #water #hydrology #cryology #snow #ice #waterresources #watersecurity #waterresources #fire #risk #hazard #OLI2 #Landsat #meteorology #weather #annual #precipitation #monsoon #sublimation #temperature #wind #humidity #extremeweather #wildfire #humanimpacts #snowline #newnormal #agriculture #foodsecurity #drought
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New Zealand's glaciers shrinking faster, scientist warns
"Overall, the #snowline has been rising and in the most recent years we're seeing that rise accelerate, so we're experiencing a continued trend of glacial ice loss," said principal scientist Andrew Lorrey in a statement.
https://phys.org/news/2024-03-zealand-glaciers-faster-scientist.html
JWST Reveals Excess Cool Water near the #SnowLine in Compact Disks, Consistent with Pebble Drift: https://iopscience.iop.org/article/10.3847/2041-8213/acf5ec -> NASA's #Webb Findings Support Long-Proposed Process of #Planet Formation: https://webbtelescope.org/contents/news-releases/2023/news-2023-144
JWST reveals excess cool water near the #snowline in compact disks, consistent with pebble drift: https://arxiv.org/abs/2307.03846 -> "JWST-MIRI spectra of four disks, two compact and two large with multiple radial gaps, selected to test the scenario that water vapor inside the snowline is regulated by pebble drift. [...] These spectra clearly reveal excess emission in the low-energy lines in compact disks, compared to the large disks, establishing the presence of a cooler component with T≈ 170-400 K".
https://social.bund.de/@DLR/109551526810874272
@DLR
"The #snowline in the #Alps is shifting upwards - this is confirmed by 15,000 images from earth observation #satellites. Less snow also means less #water for the rivers: #Northern Italy experienced one of the worst droughts in 70 years in 2022. The #Landsat data set has enabled the determination of the #snow line in the Alps since 1985.
The details: https://www.dlr.de/content/de/artikel/news"